def load_library(self, libpath):
libpath = os.path.abspath(libpath)
libpath_bytes = libpath.encode('utf-8') + b'\x00'
remote_page = m_k32.VirtualAllocEx(self.handle, None,
len(libpath_bytes),
flags("MEM_COMMIT"),
flags("PAGE_EXECUTE_READWRITE"))
if not remote_page:
raise WindowsProcessError(
'Error: failed to allocate space for library name in the target process'
)
if not m_k32.WriteProcessMemory(self.handle,
remote_page, libpath_bytes,
len(libpath_bytes), None):
raise WindowsProcessError(
'Error: failed to copy the library name to the target process')
remote_thread = m_k32.CreateRemoteThread(self.handle, None, 0,
m_k32.LoadLibraryA.address,
remote_page, 0, None)
m_k32.WaitForSingleObject(remote_thread, -1)
exitcode = wintypes.DWORD(0)
m_k32.GetExitCodeThread(remote_thread, ctypes.byref(exitcode))
m_k32.VirtualFreeEx(self.handle, remote_page, len(libpath_bytes),
flags("MEM_RELEASE"))
if exitcode.value == 0:
raise WindowsProcessError(
"Error: failed to load: {0}, thread exited with status: 0x{1:x}"
.format(libpath, exitcode.value))
return exitcode.value
def allocate(self, size=0x400, address=None, permissions=None):
alloc_type = flags('MEM_COMMIT')
permissions = flags(permissions or 'PAGE_EXECUTE_READWRITE')
result = m_k32.VirtualAllocEx(self.handle, address, size, alloc_type,
permissions)
return result
