mirror of
https://github.com/hakril/PythonForWindows
synced 2026-06-08 14:31:45 +00:00
Clement Rouault
108 lines
3.7 KiB
Python
108 lines
3.7 KiB
Python
import ctypes
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import msvcrt
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import os
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import copy
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import sys
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import k32testing as kernel32proxy
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import generated_def.windef as windef
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import winobject
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import native_exec
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from generated_def.winstructs import *
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# Function resolution !
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def swallow_ctypes_copy(ctypes_object):
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new_copy = type(ctypes_object)()
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ctypes.memmove(ctypes.byref(new_copy), ctypes.byref(ctypes_object), ctypes.sizeof(new_copy))
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return new_copy
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def get_func_addr(dll_name, func_name):
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dll = ctypes.WinDLL(dll_name)
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return kernel32proxy.GetProcAddress(dll._handle, func_name)
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# Used by system.processes
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def enumerate_processes():
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process_entry = winobject.WinProcess()
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process_entry.dwSize = ctypes.sizeof(process_entry)
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snap = kernel32proxy.CreateToolhelp32Snapshot(windef.TH32CS_SNAPPROCESS, 0)
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kernel32proxy.Process32First(snap, process_entry)
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res = []
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res.append(swallow_ctypes_copy(process_entry))
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while kernel32proxy.Process32Next(snap, process_entry):
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res.append(swallow_ctypes_copy(process_entry))
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return res
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# Used by system.threads
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def enumerate_threads():
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thread_entry = winobject.WinThread()
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thread_entry.dwSize = ctypes.sizeof(thread_entry)
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snap = kernel32proxy.CreateToolhelp32Snapshot(windef.TH32CS_SNAPTHREAD, 0)
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threads = []
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kernel32proxy.Thread32First(snap, thread_entry)
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threads.append(copy.copy(thread_entry))
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while kernel32proxy.Thread32Next(snap, thread_entry):
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threads.append(copy.copy(thread_entry))
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return threads
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def is_wow_64(hProcess):
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try:
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fnIsWow64Process = get_func_addr("kernel32.dll", "IsWow64Process")
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except kernel32proxy.Kernel32Error:
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return False
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IsWow64Process = ctypes.WINFUNCTYPE(BOOL, HANDLE, ctypes.POINTER(BOOL))(fnIsWow64Process)
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Wow64Process = BOOL()
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res = IsWow64Process(hProcess, ctypes.byref(Wow64Process))
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if res:
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return bool(Wow64Process)
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raise ctypes.WinError()
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def create_file_from_handle(handle, mode="r"):
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"""Return a Python :class:`file` arround a windows HANDLE"""
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fd = msvcrt.open_osfhandle(handle, os.O_TEXT)
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return os.fdopen(fd, mode, 0)
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def get_handle_from_file(f):
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"""Get the windows HANDLE of a python :class:`file`"""
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return msvcrt.get_osfhandle(f.fileno())
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def create_console():
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"""| Create a new console displaying STDOUT
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| Useful in injection of GUI process
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"""
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kernel32proxy.AllocConsole()
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stdout_handle = kernel32proxy.GetStdHandle(windef.STD_OUTPUT_HANDLE)
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console_stdout = create_file_from_handle(stdout_handle, "w")
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sys.stdout = console_stdout
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stdin_handle = kernel32proxy.GetStdHandle(windef.STD_INPUT_HANDLE)
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console_stdin = create_file_from_handle(stdin_handle, "r+")
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sys.stdin = console_stdin
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stderr_handle = kernel32proxy.GetStdHandle(windef.STD_ERROR_HANDLE)
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console_stderr = create_file_from_handle(stderr_handle, "w")
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sys.stderr = console_stderr
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class VirtualProtected(object):
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"""A context manager usable like `VirtualProtect` that will restore the old protection at exit
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Example::
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with utils.VirtualProtected(IATentry.addr, ctypes.sizeof(PVOID), windef.PAGE_EXECUTE_READWRITE):
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IATentry.value = 0x42424242
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"""
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def __init__(self, addr, size, new_protect):
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if (addr % 0x1000):
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addr = addr - addr % 0x1000
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self.addr = addr
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self.size = size
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self.new_protect = new_protect
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def __enter__(self):
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self.old_protect = DWORD()
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kernel32proxy.VirtualProtect(self.addr, self.size, self.new_protect, ctypes.byref(self.old_protect))
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return self
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def __exit__(self, exc_type, exc_value, traceback):
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kernel32proxy.VirtualProtect(self.addr, self.size, self.old_protect.value, ctypes.byref(self.old_protect))
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return False |