Files
2025-02-12 12:18:38 +01:00

78 lines
3.2 KiB
Python

# -*- coding: utf-8 -*-
import pytest
import weakref
import shutil
import time
import os
import windows
import windows.generated_def as gdef
from .conftest import pop_proc_32, pop_proc_64
from .pfwtest import *
@pytest.fixture(params=
[(pop_proc_32, DEFAULT_CREATION_FLAGS),
(pop_proc_32, gdef.CREATE_SUSPENDED),
(pop_proc_64, DEFAULT_CREATION_FLAGS),
(pop_proc_64, gdef.CREATE_SUSPENDED)],
ids=["proc32", "proc32susp", "proc64", "proc64susp"])
def proc_3264_runsus(request):
"""Fixture for process 32/64 both running & suspended"""
proc_poper, dwCreationFlags = request.param
proc = proc_poper(dwCreationFlags=dwCreationFlags)
time.sleep(0.2) # Give time to the process to load :)
print("Created {0} ({1}bits) for test".format(proc, proc.bitness))
yield weakref.proxy(proc) # provide the fixture value
try:
proc.exit(0)
except WindowsError as e:
if not proc.is_exit:
raise
# print("DEL PROC")
del proc
# Its really the same test as test_process.test_load_library but with suspended process as well
@dll_injection
def test_dll_injection(proc_3264_runsus):
assert (not proc_3264_runsus.peb.Ldr) or ("wintrust.dll" not in [mod.name for mod in proc_3264_runsus.peb.modules])
modaddr = windows.injection.load_dll_in_remote_process(proc_3264_runsus, "wintrust.dll")
wintrustmod = [mod for mod in proc_3264_runsus.peb.modules if mod.name == "wintrust.dll"][0]
assert wintrustmod.baseaddr == modaddr
@dll_injection
def test_dll_injection_error_reporting(proc_3264_runsus):
with pytest.raises(windows.injection.InjectionFailedError) as excinfo:
windows.injection.load_dll_in_remote_process(proc_3264_runsus, "NO_A_DLL.dll")
assert excinfo.value.__cause__.winerror == gdef.ERROR_MOD_NOT_FOUND
@dll_injection
def test_dll_injection_access_denied(proc_3264_runsus, tmpdir):
"""Emulate injection of MsStore python, were its DLL are not executable by any other append
See: https://github.com/hakril/PythonForWindows/issues/72
"""
mybitness = windows.current_process.bitness
if proc_3264_runsus.bitness == mybitness:
DLLPATH = r"c:\windows\system32\wintrust.dll"
elif mybitness == 64: # target is 32
DLLPATH = r"c:\windows\syswow64\wintrust.dll"
elif mybitness == 32: # target is 64
DLLPATH = r"c:\windows\sysnative\wintrust.dll"
else:
raise Value("WTF ARE THE BITNESS ?")
targetname = os.path.join(str(tmpdir), "wintrust_noexec.dll")
shutil.copy(DLLPATH, targetname)
# Deny Execute; allow read for everyone
sd = windows.security.SecurityDescriptor.from_string("D:(D;;GXFX;;;WD)(A;;1;;;WD)")
sd.to_filename(targetname)
try:
with pytest.raises(windows.injection.InjectionFailedError) as excinfo:
windows.injection.load_dll_in_remote_process(proc_3264_runsus, targetname)
assert excinfo.value.__cause__.winerror == gdef.ERROR_ACCESS_DENIED
finally:
proc_3264_runsus.exit()
proc_3264_runsus.wait()
time.sleep(0.5) # Fail on Azure CI of no sleep
os.unlink(targetname)