Exetools - Python Hooking - Write Less Do More

Sometimes, you need to manipulate low-level functionality (C APIs, etc) from high-level languages (Python).
Eg. Force the low-level side calls directly to your own Python override functions. This repo will help you do that.

[x] Windows
[x] Linux
[x] MacOS
[x] iOS
[x] Android

To hook & unhook a function, you only need to write codes as the following

Code:

import ctypes

from PyHooking import PyHooking, load_external_shared_library, arch, bits



# define the hook function



mylib = load_external_shared_library(f"Examples/mylib_{arch}_{bits}")



@PyHooking.CPrototype(ctypes.CFUNCTYPE(None, ctypes.c_char_p))

def hk_print_message(message):

    message = f"Invoked `hk_print_message('{message.decode('utf-8')}')`"

    PyHooking().invoke(mylib.print_message, message.encode())



# perform hooking



PyHooking().hook(mylib.print_message, hk_print_message)



mylib.print_message(b"This is a string from Python code")

mylib.c_invoke_print_message()



# perform unhooking



PyHooking().unhook(mylib.print_message)



mylib.print_message(b"This is a string from Python code")

mylib.c_invoke_print_message()



# result



'''

Invoked `hk_print_message('This is a string from Python code')`

Invoked `hk_print_message('This is a string from C code')`

This is a string from Python code

This is a string from C code

'''

The repository @ https://github.com/vic4key/py-hooking.git

Follow me on GitHub @ https://github.com/vic4key

Regards,
Vic P.