Add Windows registry manipulation support.

This commit is contained in:
Spencer McIntyre 2013-08-09 08:39:05 -04:00
parent f3f4290783
commit 3fb4c2d27c
2 changed files with 192 additions and 8 deletions

View File

@ -18,6 +18,12 @@ try:
except ImportError:
has_pwd = False
try:
import _winreg as winreg
has_winreg = True
except ImportError:
has_winreg = False
class PROCESSENTRY32(ctypes.Structure):
_fields_ = [("dwSize", ctypes.c_uint32),
("cntUsage", ctypes.c_uint32),
@ -142,14 +148,15 @@ TLV_TYPE_CONNECT_RETRIES = TLV_META_TYPE_UINT | 1504
TLV_TYPE_SHUTDOWN_HOW = TLV_META_TYPE_UINT | 1530
# Registry
TLV_TYPE_HKEY = TLV_META_TYPE_UINT | 1000
TLV_TYPE_ROOT_KEY = TLV_TYPE_HKEY
TLV_TYPE_BASE_KEY = TLV_META_TYPE_STRING | 1001
TLV_TYPE_PERMISSION = TLV_META_TYPE_UINT | 1002
TLV_TYPE_KEY_NAME = TLV_META_TYPE_STRING | 1003
TLV_TYPE_VALUE_NAME = TLV_META_TYPE_STRING | 1010
TLV_TYPE_VALUE_TYPE = TLV_META_TYPE_UINT | 1011
TLV_TYPE_VALUE_DATA = TLV_META_TYPE_RAW | 1012
TLV_TYPE_HKEY = TLV_META_TYPE_UINT | 1000
TLV_TYPE_ROOT_KEY = TLV_TYPE_HKEY
TLV_TYPE_BASE_KEY = TLV_META_TYPE_STRING | 1001
TLV_TYPE_PERMISSION = TLV_META_TYPE_UINT | 1002
TLV_TYPE_KEY_NAME = TLV_META_TYPE_STRING | 1003
TLV_TYPE_VALUE_NAME = TLV_META_TYPE_STRING | 1010
TLV_TYPE_VALUE_TYPE = TLV_META_TYPE_UINT | 1011
TLV_TYPE_VALUE_DATA = TLV_META_TYPE_RAW | 1012
TLV_TYPE_TARGET_HOST = TLV_META_TYPE_STRING | 1013
# Config
TLV_TYPE_COMPUTER_NAME = TLV_META_TYPE_STRING | 1040
@ -634,3 +641,173 @@ def stdapi_net_socket_tcp_shutdown(request, response):
channel = meterpreter.channels[channel_id]
channel.close()
return ERROR_SUCCESS, response
@meterpreter.register_function_windll
def stdapi_registry_close_key(request, response):
hkey = packet_get_tlv(request, TLV_TYPE_HKEY)['value']
result = ctypes.windll.advapi32.RegCloseKey(hkey)
return ERROR_SUCCESS, response
@meterpreter.register_function_windll
def stdapi_registry_create_key(request, response):
root_key = packet_get_tlv(request, TLV_TYPE_ROOT_KEY)['value']
base_key = packet_get_tlv(request, TLV_TYPE_BASE_KEY)['value']
permission = packet_get_tlv(request, TLV_TYPE_PERMISSION).get('value', winreg.KEY_ALL_ACCESS)
res_key = ctypes.c_void_p()
if ctypes.windll.advapi32.RegCreateKeyExA(root_key, base_key, 0, None, 0, permission, None, ctypes.byref(res_key), None) == ERROR_SUCCESS:
response += tlv_pack(TLV_TYPE_HKEY, res_key.value)
return ERROR_SUCCESS, response
return ERROR_FAILURE, response
@meterpreter.register_function_windll
def stdapi_registry_delete_key(request, response):
root_key = packet_get_tlv(request, TLV_TYPE_ROOT_KEY)['value']
base_key = packet_get_tlv(request, TLV_TYPE_BASE_KEY)['value']
flags = packet_get_tlv(request, TLV_TYPE_FLAGS)['value']
if (flags & DELETE_KEY_FLAG_RECURSIVE):
result = ctypes.windll.shlwapi.SHDeleteKeyA(root_key, base_key)
else:
result = ctypes.windll.advapi32.RegDeleteKeyA(root_key, base_key)
return result, response
@meterpreter.register_function_windll
def stdapi_registry_delete_value(request, response):
root_key = packet_get_tlv(request, TLV_TYPE_ROOT_KEY)['value']
value_name = packet_get_tlv(request, TLV_TYPE_VALUE_NAME)['value']
result = ctypes.windll.advapi32.RegDeleteValueA(root_key, value_name)
return result, response
@meterpreter.register_function_windll
def stdapi_registry_enum_key(request, response):
ERROR_MORE_DATA = 0xea
ERROR_NO_MORE_ITEMS = 0x0103
hkey = packet_get_tlv(request, TLV_TYPE_HKEY)['value']
name = (ctypes.c_char * 4096)()
index = 0
tries = 0
while True:
result = ctypes.windll.advapi32.RegEnumKeyA(hkey, index, name, ctypes.sizeof(name))
if result == ERROR_MORE_DATA:
if tries > 3:
break
name = (ctypes.c_char * (ctypes.sizeof(name) * 2))
tries += 1
continue
elif result == ERROR_NO_MORE_ITEMS:
result = ERROR_SUCCESS
break
elif result != ERROR_SUCCESS:
break
tries = 0
response += tlv_pack(TLV_TYPE_KEY_NAME, ctypes.string_at(name))
index += 1
return result, response
@meterpreter.register_function_windll
def stdapi_registry_enum_value(request, response):
ERROR_MORE_DATA = 0xea
ERROR_NO_MORE_ITEMS = 0x0103
hkey = packet_get_tlv(request, TLV_TYPE_HKEY)['value']
name = (ctypes.c_char * 4096)()
name_sz = ctypes.c_uint32()
index = 0
tries = 0
while True:
name_sz.value = ctypes.sizeof(name)
result = ctypes.windll.advapi32.RegEnumValueA(hkey, index, name, ctypes.byref(name_sz), None, None, None, None)
if result == ERROR_MORE_DATA:
if tries > 3:
break
name = (ctypes.c_char * (ctypes.sizeof(name) * 3))
tries += 1
continue
elif result == ERROR_NO_MORE_ITEMS:
result = ERROR_SUCCESS
break
elif result != ERROR_SUCCESS:
break
tries = 0
response += tlv_pack(TLV_TYPE_VALUE_NAME, ctypes.string_at(name))
index += 1
return result, response
@meterpreter.register_function_windll
def stdapi_registry_load_key(request, response):
root_key = packet_get_tlv(request, TLV_TYPE_ROOT_KEY)
sub_key = packet_get_tlv(request, TLV_TYPE_BASE_KEY)
file_name = packet_get_tlv(request, TLV_TYPE_FILE_PATH)
result = ctypes.windll.advapi32.RegLoadKeyA(root_key, sub_key, file_name)
return result, response
@meterpreter.register_function_windll
def stdapi_registry_open_key(request, response):
root_key = packet_get_tlv(request, TLV_TYPE_ROOT_KEY)['value']
base_key = packet_get_tlv(request, TLV_TYPE_BASE_KEY)['value']
permission = packet_get_tlv(request, TLV_TYPE_PERMISSION).get('value', winreg.KEY_ALL_ACCESS)
handle_id = ctypes.c_void_p()
if ctypes.windll.advapi32.RegOpenKeyExA(root_key, base_key, 0, permission, ctypes.byref(handle_id)) == ERROR_SUCCESS:
response += tlv_pack(TLV_TYPE_HKEY, handle_id.value)
return ERROR_SUCCESS, response
return ERROR_FAILURE, response
@meterpreter.register_function_windll
def stdapi_registry_open_remote_key(request, response):
target_host = packet_get_tlv(request, TLV_TYPE_TARGET_HOST)['value']
root_key = packet_get_tlv(request, TLV_TYPE_ROOT_KEY)['value']
result_key = ctypes.c_void_p()
result = ctypes.windll.advapi32.RegConnectRegistry(target_host, root_key, ctypes.byref(result_key))
if (result == ERROR_SUCCESS):
response += tlv_pack(TLV_TYPE_HKEY, result_key.value)
return ERROR_SUCCESS, response
return ERROR_FAILURE, response
@meterpreter.register_function_windll
def stdapi_registry_query_class(request, response):
hkey = packet_get_tlv(request, TLV_TYPE_HKEY)['value']
value_data = (ctypes.c_char * 4096)()
value_data_sz = ctypes.c_uint32()
value_data_sz.value = ctypes.sizeof(value_data)
result = ctypes.windll.advapi32.RegQueryInfoKeyA(hkey, value_data, ctypes.byref(value_data_sz), None, None, None, None, None, None, None, None, None)
if result == ERROR_SUCCESS:
response += tlv_pack(TLV_TYPE_VALUE_DATA, ctypes.string_at(value_data))
return ERROR_SUCCESS, response
return ERROR_FAILURE, response
@meterpreter.register_function_windll
def stdapi_registry_query_value(request, response):
REG_SZ = 1
REG_DWORD = 4
hkey = packet_get_tlv(request, TLV_TYPE_HKEY)['value']
value_name = packet_get_tlv(request, TLV_TYPE_VALUE_NAME)['value']
value_type = ctypes.c_uint32()
value_type.value = 0
value_data = (ctypes.c_ubyte * 4096)()
value_data_sz = ctypes.c_uint32()
value_data_sz.value = ctypes.sizeof(value_data)
result = ctypes.windll.advapi32.RegQueryValueExA(hkey, value_name, 0, ctypes.byref(value_type), value_data, ctypes.byref(value_data_sz))
if result == ERROR_SUCCESS:
response += tlv_pack(TLV_TYPE_VALUE_TYPE, value_type.value)
if value_type.value == REG_SZ:
response += tlv_pack(TLV_TYPE_VALUE_DATA, ctypes.string_at(value_data) + '\x00')
elif value_type.value == REG_DWORD:
response += tlv_pack(TLV_TYPE_VALUE_DATA, ''.join(value_data.value)[:4])
else:
response += tlv_pack(TLV_TYPE_VALUE_DATA, ''.join(value_data.value)[:value_data_sz.value])
return ERROR_SUCCESS, response
return ERROR_FAILURE, response
@meterpreter.register_function_windll
def stdapi_registry_set_value(request, response):
hkey = packet_get_tlv(request, TLV_TYPE_HKEY)['value']
value_name = packet_get_tlv(request, TLV_TYPE_VALUE_NAME)['value']
value_type = packet_get_tlv(request, TLV_TYPE_VALUE_TYPE)['value']
value_data = packet_get_tlv(request, TLV_TYPE_VALUE_DATA)['value']
result = ctypes.windll.advapi32.RegSetValueExA(hkey, value_name, 0, value_type, value_data, len(value_data))
return result, response
@meterpreter.register_function_windll
def stdapi_registry_unload_key(request, response):
root_key = packet_get_tlv(request, TLV_TYPE_ROOT_KEY)['value']
base_key = packet_get_tlv(request, TLV_TYPE_BASE_KEY)['value']
result = ctypes.windll.advapi32.RegUnLoadKeyA(root_key, base_key)
return result, response

View File

@ -3,12 +3,15 @@ import os
import sys
import code
import random
import ctypes
import select
import socket
import struct
import threading
import subprocess
has_windll = hasattr(ctypes, 'windll')
#
# Constants
#
@ -183,6 +186,10 @@ class PythonMeterpreter(object):
def register_function(self, func):
self.extension_functions[func.__name__] = func
def register_function_windll(self, func):
if has_windll:
self.register_function(func)
def run(self):
while self.running:
if len(select.select([self.socket], [], [], 0)[0]):