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DCDumlu.py
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#!/usr/bin/python3
# -*- coding: utf-8 -*-
import getpass
import sys
import socket
from ldap3 import Server, Connection, ALL, NTLM, SUBTREE, MODIFY_REPLACE, MODIFY_ADD, MODIFY_DELETE, ALL_ATTRIBUTES
from ldap3.extend.microsoft.addMembersToGroups import ad_add_members_to_groups as addUserToGroups
from prettytable import PrettyTable
from colorama import Style
from impacket.ldap import ldaptypes
import convertsid
import banner
import uactable
import usage
import log
class dcDumlu():
def __init__(self, server, domainName, username, password, operation, searchBaseName):
self.server = server
self.domainName = domainName
self.username = username
self.password = password
self.operation = operation
self.searchBaseName = searchBaseName
def main(self):
# define the server and the connection
s = Server(self.server, get_info=ALL)
c = Connection(s, user=self.domainName + "\\" + self.username, password=self.password, authentication=NTLM)
# Hash format | LM:NT hash or NT:NT hash
# perform the Bind operation
if not c.bind():
if c.result["description"] == "invalidCredentials":
print('[-] Username or password is incorrect.')
else:
print('[-] Error in bind', c.result)
sys.exit(1)
else:
print('[+] Connection established...')
if self.operation == "getDomainInfo":
self.getDomainInfo(c)
elif self.operation == "sidToObject":
sid = input('[*] SID of the object: ')
if self.sidToObjectName(c, sid):
print('[+] sAMAccountName: %s' % self.sidToObjectName(c, sid)[1])
print('[+] Distinguised Name: %s' % self.sidToObjectName(c, sid)[0])
elif self.operation == "getPasswordPolicy":
self.getPasswordPolicy(c)
elif self.operation == "getTrustInfo":
self.getTrustInfo(c)
elif self.operation == "getHosts":
self.enumHosts(c)
elif self.operation == "getDCs":
self.getDomainControllers(c)
elif self.operation == "getUsers":
self.enumUsers(c)
elif self.operation == "getGroups":
self.enumGroups(c)
elif self.operation == "userDescriptions":
self.usersDescription(c)
elif self.operation == "hostDescriptions":
self.hostsDescription(c)
elif self.operation == "getPasswordNotRequired":
self.getPasswordNotRequired(c)
elif self.operation == "getGroupMembers":
gName = input('[*] Group Name: ')
self.groupMembers(c, gName)
elif self.operation == "searchUser":
sUser = input('[*] Username: ')
self.searchUser(c, sUser)
elif self.operation == "searchHost":
sHost = input('[*] Hostname: ')
self.searchHost(c, sHost)
elif self.operation == "unconstrainedComputer":
self.hostsUnconstrained(c)
elif self.operation == "constrainedComputer":
self.hostsConstrained(c)
elif self.operation == "constrainedUser":
self.userConstrained(c)
elif self.operation == "unconstrainedUser":
self.userUnconstrained(c)
elif self.operation == "getRbcd":
self.getRbcd(c)
elif self.operation == "addUser":
givenName = input('[*] First Name: ')
sn = input('[*] Last Name: ')
sAMAccountName = input('[*] sAMAccountName: ')
self.addUser(c, givenName, sn, sAMAccountName)
elif self.operation == "delUser":
userDn = input('[*] Distinguished Name of User: ')
self.delUser(c, userDn)
elif self.operation == "getSpns":
self.getSpns(c)
elif self.operation == "setSpn":
print('[*] Example DN: cn=unsafe inline,cn=Users,' + self.searchBaseName)
setSpnDn = input('[*] Distinguished Name: ')
spnName = input('[*] Spn Name: ')
self.setSpn(c, setSpnDn, spnName)
elif self.operation == "unSetSpn":
print('[*] Example DN: cn=unsafe inline,cn=Users,' + self.searchBaseName)
setSpnDn = input('[*] Distinguished Name: ')
spnName = input('[*] Spn Name: ')
self.unSetSpn(c, setSpnDn, spnName)
elif self.operation == "addUnconstrained":
print('[*] Example DN: cn=unsafe inline,cn=Users,' + self.searchBaseName)
unconstrainedDn = input('[*] Distinguished Name: ')
self.addUnconstrained(c, unconstrainedDn)
elif self.operation == "addConstrained":
print('[*] Example DN: cn=unsafe inline,cn=Users,' + self.searchBaseName)
constrainedDn = input('[*] Target DN for adding Constrained Delegation: ')
constrainedName = input('[*] To determine services to be delegated for a user or computer, search computer or user with a logon name: ')
if constrainedDn and constrainedName:
self.addConstrained(c, constrainedDn, constrainedName)
else:
print('[-] The specified values must not empty!')
elif self.operation == "getAsRep":
self.getAsRep(c)
elif self.operation == "addAsRepRoasting":
print('[*] Example DN: cn=unsafe inline,cn=Users,' + self.searchBaseName)
asRepDn = input('[*] Distinguished Name: ')
self.addAsRep(c, asRepDn)
elif self.operation == "delAsRepRoasting":
print('[*] Example DN: cn=unsafe inline,cn=Users,' + self.searchBaseName)
asRepDn = input('[*] Distinguished Name: ')
self.delAsRep(c, asRepDn)
elif self.operation == "addUserToGroup":
print('[*] Example Group DN: cn=Domain Admins,cn=Users,' + self.searchBaseName)
user_dn = input('[*] User Distinguished Name: ')
group_dn = input('[*] Group Distinguished Name: ')
self.addUserToGroup(c, user_dn, group_dn)
elif self.operation == "resetObject":
print('[*] Example CN: unsafe inline')
objDn = input('[*] Object CN: ')
self.resetObject(c, objDn)
elif self.operation == "help" or self.operation == "?":
usage.Helper()
elif self.operation == "uacTable":
uactable.userAccountControlTable()
elif self.operation == "checkConnection":
self.checkConnection(c)
else:
print('[-] Invalid operation name!')
print('[!] Use exit or help to list commands!')
def getDomainInfo(self, c):
c.search(search_base=self.searchBaseName, search_filter='(objectClass=domain)', attributes=ALL_ATTRIBUTES)
table = PrettyTable(['Domain Name', 'DN', 'SID', 'ms-DS-MachineAccountQuota', 'Domain Created Time'])
table.align = "l"
table.add_row([c.entries[0]['dc'], c.entries[0]['distinguishedName'], c.entries[0]['objectSid'], c.entries[0]['ms-DS-MachineAccountQuota'], c.entries[0]['whenCreated']])
print(table)
log.logOperation(self.operation, table)
def getPasswordPolicy(self, c):
c.search(search_base=self.searchBaseName, search_filter='(objectClass=domain)', attributes=ALL_ATTRIBUTES)
columnLayout = ['Policy', 'Policy Setting']
table = PrettyTable()
table.add_column(columnLayout[0], ['Minimum password age (days)', 'Maximum password age (days)', 'Minimum password length', 'Length of password history maintained',
'Lockout threshold', 'Lockout duration (minutes)', 'Lockout observation window (minutes)'])
table.add_column(columnLayout[1], [c.entries[0]['minPwdAge'], c.entries[0]['maxPwdAge'], c.entries[0]['minPwdLength'], c.entries[0]['pwdHistoryLength'], c.entries[0]['lockoutThreshold'],
c.entries[0]['lockoutDuration'], c.entries[0]['lockOutObservationWindow']])
table.align = "l"
print(table)
log.logOperation(self.operation, table)
def getTrustInfo(self, c):
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName, search_filter='(objectClass=trustedDomain)', attributes=ALL_ATTRIBUTES, generator=True)
table = PrettyTable(['Domain Name', 'Domain NetBios Name', 'SID', 'Trust Direction', 'When Created'])
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
createdTime = str(entry['attributes']['whenCreated']).split("+")[0]
#converting sid value
byteSid = entry['attributes']['securityIdentifier']
sid = convertsid.sid_to_str(byteSid)
#converting trustdirection
trustValue = entry['attributes']['trustDirection']
if trustValue == 3:
trustDirection = 'Bidirectional'
elif trustValue == 2:
trustDirection = 'Outbound'
elif trustValue == 1:
trustDirection = 'Inbound'
elif trustValue == 0:
trustDirection = 'Disabled'
else:
trustDirection = '[]'
table.add_row([entry['attributes']['trustPartner'], entry['attributes']['flatName'], sid, trustDirection, createdTime])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of trust: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Trust relationship is not defined!')
def enumHosts(self, c):
# enum all hosts without DCs
# domain controller: search_filter='(&(objectCategory=Computer)(userAccountControl:1.2.840.113556.1.4.803:=8192))'
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(objectCategory=Computer)',
search_scope=SUBTREE,
attributes=['cn', 'operatingSystem', 'operatingSystemVersion', 'logonCount',
'lastLogon'],
paged_size=None,
generator=True)
print("[*] Computers of " + self.domainName + " domain: \n")
table = PrettyTable(['Computer Name', 'Operating System', 'Version', 'Logon Count', 'Last Logon Time'])
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
table.add_row([entry['attributes']['cn'], entry['attributes']['operatingSystem'],
entry['attributes']['operatingSystemVersion'], entry['attributes']['logonCount'], entry['attributes']['lastLogon']])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of computers: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found!')
def getDomainControllers(self, c):
# Get Domain Controllers
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(&(objectCategory=computer)(userAccountControl:1.2.840.113556.1.4.803:=8192))',
search_scope=SUBTREE,
attributes=['cn', 'dNSHostName', 'operatingSystem',
'operatingSystemVersion', 'distinguishedName'],
paged_size=None,
generator=True)
print("[*] Domain Controllers of " + self.domainName + " domain: \n")
table = PrettyTable(['Computer Name', 'Dns Name', 'Operating System', 'Version', 'DN'])
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
table.add_row([entry['attributes']['cn'], entry['attributes']['dNSHostName'],
entry['attributes']['operatingSystem'], entry['attributes']['operatingSystemVersion'],
entry['attributes']['distinguishedName']])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of DCs: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Something went wrong!')
def enumUsers(self, c):
# enum all users
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(&(objectCategory=person)(objectClass=user))',
search_scope=SUBTREE,
attributes=['cn', 'sAMAccountName', 'userAccountControl',
'logonCount', 'adminCount', 'lastLogon', 'pwdLastSet'])
print("[*] Users of " + self.domainName + " domain: \n")
table = PrettyTable(['Username', 'samAccountName', 'userAccountControl', 'Logon Count', 'Admin Count', 'Last Logon Time', 'Password Last Set'])
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
pwdLastTime = str(entry['attributes']['pwdLastSet']).split()
lastLogonTime = str(entry['attributes']['lastLogon']).split(".")
table.add_row([entry['attributes']['cn'], entry['attributes']['sAMAccountName'],
entry['attributes']['userAccountControl'], entry['attributes']['logonCount'],
entry['attributes']['adminCount'], lastLogonTime[0], pwdLastTime[0]])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of users: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found!')
def enumGroups(self, c):
# enum Groups
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(objectCategory=group)',
search_scope=SUBTREE,
attributes=['cn', 'distinguishedName', 'objectSid', 'description'])
print("[*] Groups of " + self.domainName + " domain: \n")
table = PrettyTable(['Name', 'Distinguished Name', 'Object SID', 'Description'])
table._max_width = {"Distinguished Name": 70, "description": 40}
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
table.add_row([entry['attributes']['cn'], entry['attributes']['distinguishedName'], entry['attributes']['objectSid'], entry['attributes']['description']])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of groups: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found!')
def searchUser(self, c, sUser):
# search user
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(&(objectCategory=person)(objectClass=user)(|(cn=*' + sUser + '*)(sAMAccountName=*' + sUser + '*)))',
search_scope=SUBTREE,
attributes=['sAMAccountName', 'userAccountControl',
'servicePrincipalName', 'logonCount', 'adminCount',
'distinguishedName', 'memberOf', 'objectSid', 'lastLogon'])
print("[*] Users of " + self.domainName + " domain: \n")
table = PrettyTable(
['samAccountName', 'userAccountControl', 'servicePrincipalName', 'Logon Count', 'Admin Count',
'Distinguished Name', 'Member Of', 'RID', 'Last Logon Time'])
table._max_width = {"servicePrincipalName": 30, "Distinguished Name": 50, "Member Of": 45}
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
memberOfs = entry['attributes']['memberOf']
lastLogonTime = str(entry['attributes']['lastLogon']).split()
rid = str(entry['attributes']['objectSid']).split('-')
if len(memberOfs) > 0:
for memberOf in memberOfs:
table.add_row([entry['attributes']['sAMAccountName'], entry['attributes']['userAccountControl'],
entry['attributes']['servicePrincipalName'], entry['attributes']['logonCount'],
entry['attributes']['adminCount'], entry['attributes']['distinguishedName'],
memberOf, rid[7], lastLogonTime[0]])
else:
table.add_row([entry['attributes']['sAMAccountName'], entry['attributes']['userAccountControl'],
entry['attributes']['servicePrincipalName'], entry['attributes']['logonCount'],
entry['attributes']['adminCount'], entry['attributes']['distinguishedName'],
'[]', rid[7], lastLogonTime[0]])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of searched domain users: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found!')
def searchHost(self, c, sHost):
# search host
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(&(objectCategory=Computer)(cn=*' + sHost + '*))',
search_scope=SUBTREE,
attributes=['cn', 'distinguishedName', 'operatingSystem', 'operatingSystemVersion',
'userAccountControl', 'logonCount', 'lastLogon',
'servicePrincipalName', 'objectSid'],
paged_size=None,
generator=True)
print("[*] Computers of " + self.domainName + " domain: \n")
table = PrettyTable(
['Computer Name', 'Distinguished Name', 'Operating System', 'Version', 'userAccountControl', 'servicePrincipalName', 'Logon Count', 'RID', 'Last Logon Time'])
table._max_width = {"servicePrincipalName": 40, "Distinguished Name": 50, "Operating System": 25}
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
lastLogonTime = str(entry['attributes']['lastLogon']).split(".")
rid = str(entry['attributes']['objectSid']).split('-')
table.add_row([entry['attributes']['cn'], entry['attributes']['distinguishedName'], entry['attributes']['operatingSystem'],
entry['attributes']['operatingSystemVersion'], entry['attributes']['userAccountControl'], entry['attributes']['servicePrincipalName'],
entry['attributes']['logonCount'], rid[7], lastLogonTime[0]])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of searched computers: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found!')
if total_entries > 0:
return entry['attributes']['servicePrincipalName']
def groupMembers(self, c, gName):
# enum group member and memberOfs
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(&(objectCategory=group)(cn=*' + gName + '*))',
search_scope=SUBTREE,
attributes=['cn', 'member', 'memberOf', 'adminCount'],
paged_size=None,
generator=True)
print("[*] Groups of " + self.domainName + " domain: \n")
table = PrettyTable(['Name', 'Member', 'Member Of', 'Admin Count'])
table._max_width = {"Member": 70, "Member Of": 70}
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
memberOfs = entry['attributes']['memberOf']
members = entry['attributes']['member']
if len(memberOfs) > 0:
for memberOf in memberOfs:
if len(members) > 0:
for member in members:
table.add_row([entry['attributes']['cn'], member, memberOf, entry['attributes']['adminCount']])
total_entries += 1
else:
table.add_row(entry['attributes']['cn'], '[]', memberOf, entry['attributes']['adminCount'])
total_entries += 1
else:
if len(members) > 0:
for member in members:
table.add_row([entry['attributes']['cn'], member, '[]', entry['attributes']['adminCount']])
total_entries += 1
else:
table.add_row([entry['attributes']['cn'], '[]', '[]', entry['attributes']['adminCount']])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of searched groups: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found!')
def usersDescription(self, c):
# enum all descriptions of users
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(&(objectCategory=person)(objectClass=user))',
search_scope=SUBTREE,
attributes=['cn', 'sAMAccountName', 'description'])
print("[*] Users of " + self.domainName + " domain: \n")
table = PrettyTable(['Username', 'samAccountName', 'Description'])
table._max_width = {"Description": 70}
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
table.add_row([entry['attributes']['cn'], entry['attributes']['sAMAccountName'],
entry['attributes']['description']])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of domain users: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found!')
def hostsDescription(self, c):
# enum all descriptions of computers
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(objectCategory=Computer)',
search_scope=SUBTREE,
attributes=['cn', 'description'],
paged_size=None,
generator=True)
print("[*] Computers of " + self.domainName + " domain: \n")
table = PrettyTable(['Computer Name', 'Description'])
table._max_width = {"Description": 70}
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
table.add_row([entry['attributes']['cn'], entry['attributes']['description']])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of computers: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found!')
def getPasswordNotRequired(self, c):
# All users not required to have a password. (All possible users that don't have a password.)
# If a password is set later for the user, the UAC value is not changed. Hence, this LDAP query can return a user that is set a password.
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(&(objectCategory=person)(objectClass=user)(userAccountControl:1.2.840.113556.1.4.803:=32))',
search_scope=SUBTREE,
attributes=['sAMAccountName', 'memberOf', 'distinguishedName',
'description', 'userAccountControl'])
print("[*] All users not required to have a password: \n")
table = PrettyTable(['sAMAccountName', 'Member Of', 'DN', 'Description', 'userAccountControl'])
table._max_width = {"Member Of": 70, "DN": 70, "Description": 60}
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
memberOfs = entry['attributes']['memberOf']
if len(memberOfs) > 0:
for memberOf in memberOfs:
table.add_row(
[entry['attributes']['sAMAccountName'], memberOf, entry['attributes']['distinguishedName'],
entry['attributes']['description'], entry['attributes']['userAccountControl']])
else:
table.add_row(
[entry['attributes']['sAMAccountName'], '[]', entry['attributes']['distinguishedName'],
entry['attributes']['description'], entry['attributes']['userAccountControl']])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of searched domain users: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found')
def hostsUnconstrained(self, c):
# domain controller: search_filter='(&(objectCategory=Computer)(userAccountControl:1.2.840.113556.1.4.803:=524288))'
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(&(objectCategory=Computer)(userAccountControl:1.2.840.113556.1.4.803:=524288)(!(userAccountControl:1.2.840.113556.1.4.803:=8192)))',
search_scope=SUBTREE,
attributes=['cn', 'operatingSystem', 'userAccountControl',
'logonCount', 'lastLogon'],
paged_size=None,
generator=True)
print("[*] Unconstrained Delegation Computers of " + self.domainName + " domain: \n")
table = PrettyTable(
['Computer Name', 'Operating System', 'userAccountControl', 'Logon Count', 'Last Logon Time'])
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
table.add_row([entry['attributes']['cn'], entry['attributes']['operatingSystem'],
entry['attributes']['userAccountControl'], entry['attributes']['logonCount'],
entry['attributes']['lastLogon']])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of computers: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found!')
def hostsConstrained(self, c):
# Querying ALL Hosts with "Trusted For Delegation To Specific Services – Any AuthN
# (&(userAccountControl:1.2.840.113556.1.4.803:=16777216)(msDS-AllowedToDelegateTo=*))
# Trusted For Delegation To Specific Services – Kerberos AuthN
# (&(!(|(userAccountControl:1.2.840.113556.1.4.803:=524288)(userAccountControl:1.2.840.113556.1.4.803:=16777216)))(msDS-AllowedToDelegateTo=*))
# And Computer Object
# (&(objectCategory=Computer))
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(&(|(&(!(|(userAccountControl:1.2.840.113556.1.4.803:=524288)(userAccountControl:1.2.840.113556.1.4.803:=16777216)))(msDS-AllowedToDelegateTo=*))(&(userAccountControl:1.2.840.113556.1.4.803:=16777216)(msDS-AllowedToDelegateTo=*)))(objectCategory=computer))',
search_scope=SUBTREE,
attributes=['sAMAccountName', 'userAccountControl',
'msDS-AllowedToDelegateTo'])
print("[*] Constrained Hosts of " + self.domainName + " domain: \n")
print("[*] Querying ALL Hosts with trusted for delegation to specific services (any auth or kerberos)...")
table = PrettyTable(['samAccountName', 'userAccountControl', 'AllowedToDelegateTo'])
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
# print("[+] Username: " + entry['attributes']['sAMAccountName'] + " || SPN: " + str(entry['attributes']['servicePrincipalName']) + " || AllowedToDelegateTo: " + str(entry['attributes']['msDS-AllowedToDelegateTo']))
services = entry['attributes']['msDS-AllowedToDelegateTo']
for service in services:
table.add_row(
[entry['attributes']['sAMAccountName'], entry['attributes']['userAccountControl'], service])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of computers: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found!')
def userConstrained(self, c):
# Querying ALL Users with "Trusted For Delegation To Specific Services – Any AuthN
# (&(userAccountControl:1.2.840.113556.1.4.803:=16777216)(msDS-AllowedToDelegateTo=*))
# Trusted For Delegation To Specific Services – Kerberos AuthN
# (&(!(|(userAccountControl:1.2.840.113556.1.4.803:=524288)(userAccountControl:1.2.840.113556.1.4.803:=16777216)))(msDS-AllowedToDelegateTo=*))
# And Person Object
# (&(objectCategory=person))
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(&(|(&(!(|(userAccountControl:1.2.840.113556.1.4.803:=524288)(userAccountControl:1.2.840.113556.1.4.803:=16777216)))(msDS-AllowedToDelegateTo=*))(&(userAccountControl:1.2.840.113556.1.4.803:=16777216)(msDS-AllowedToDelegateTo=*)))(objectCategory=person))',
search_scope=SUBTREE,
attributes=['sAMAccountName', 'servicePrincipalName',
'msDS-AllowedToDelegateTo'])
print("[*] Constrained Users of " + self.domainName + " domain: \n")
print("[*] Querying ALL Users with trusted for delegation to specific services (any auth or kerberos)...")
table = PrettyTable(['samAccountName', 'servicePrincipalName', 'AllowedToDelegateTo'])
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
services = entry['attributes']['msDS-AllowedToDelegateTo']
for service in services:
table.add_row(
[entry['attributes']['sAMAccountName'], entry['attributes']['servicePrincipalName'], service])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of domain users: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found!')
def userUnconstrained(self, c):
# Querying ALL Users with "Trusted For Delegation To Any Service (Kerberos Only)
# (userAccountControl:1.2.840.113556.1.4.803:=524288)
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(&(objectCategory=person)(objectClass=user)(userAccountControl:1.2.840.113556.1.4.803:=524288))',
search_scope=SUBTREE,
attributes=['sAMAccountName', 'servicePrincipalName'])
print("[*] Unconstrained Users of " + self.domainName + " domain: \n")
print("[*] Querying ALL Users with trusted for delegation to any service (kerberos only)...")
table = PrettyTable(['samAccountName', 'servicePrincipalName'])
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
table.add_row([entry['attributes']['sAMAccountName'], entry['attributes']['servicePrincipalName']])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of domain users: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found!')
def getRbcd(self, c):
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(&(msDS-AllowedToActOnBehalfOfOtherIdentity=*)(|(objectCategory=computer)(objectCategory=person)))',
search_scope=SUBTREE,
attributes=ALL_ATTRIBUTES,
paged_size=None,
generator=True)
print("[*] Resource-based constrained delegation configuration for " + self.domainName + " domain: \n")
table = PrettyTable(['Resource Name', 'Accounts allowed to act on behalf of other identity', 'Accounts Distinguished Name'])
table._max_width = {"Accounts Distinguished Name": 80}
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
sd = ldaptypes.SR_SECURITY_DESCRIPTOR(
data=entry['raw_attributes']['msDS-AllowedToActOnBehalfOfOtherIdentity'][0])
if len(sd['Dacl'].aces) > 0:
for ace in sd['Dacl'].aces:
sid = ace['Ace']['Sid'].formatCanonical()
#sid to object name and distinguishedName
objectName = self.sidToObjectName(c, sid)[1]
dn = self.sidToObjectName(c, sid)[0]
table.add_row([entry['attributes']['sAMAccountName'], objectName, dn])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of accounts: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found!')
def addUser(self, c, givenName, sn, sAMAccountName):
addUserDn = 'cn=' + givenName + ' ' + sn + ',cn=Users,' + self.searchBaseName
c.add(addUserDn, 'inetOrgPerson', {'givenName': givenName, 'sn': sn, 'sAMAccountName': sAMAccountName,
'userPrincipalName': sAMAccountName + '@' + self.domainName})
c.modify(addUserDn, {'userAccountControl': (MODIFY_REPLACE, [544])})
if c.result['description'] == 'success':
print('[+] ' + sAMAccountName + ' is added!')
print('[+] Distinguished Name: ' + addUserDn)
print('[!] User must change password at next logon.')
log.logOperation(self.operation, addUserDn)
else:
print('[!] Are you sure that you have adding user permission?')
print('[!] If yes, please provide Distinguished Name additionaly')
print('[*] Example: cn=username,cn=Users,' + self.searchBaseName)
addUserDn = input('[*] Distinguished Name: ')
givenName = input('[*] First Name: ')
sn = input('[*] Last Name: ')
sAMAccountName = input('[*] sAMAccountName: ')
c.add(addUserDn, 'inetOrgPerson', {'givenName': givenName, 'sn': sn, 'sAMAccountName': sAMAccountName,
'userPrincipalName': sAMAccountName + '@' + self.domainName})
c.modify(addUserDn, {'userAccountControl': (MODIFY_REPLACE, [544])})
if c.result['description'] == 'success':
print('[+] ' + sAMAccountName + ' is added!')
print('[+] Distinguished Name: ' + addUserDn)
print('[!] User must change password at next logon.')
log.logOperation(self.operation, addUserDn)
else:
print('[-] ' + sAMAccountName + ' is not added!')
print('[!] ' + c.result['message'])
log.logOperation(self.operation, c.result['message'])
def addUserToGroup(self, c, user_dn, group_dn):
result = addUserToGroups(c, user_dn, group_dn)
if result is True:
message = f'[+] {user_dn} was added to {group_dn}'
print(message)
log.logOperation(self.operation, message)
else:
print('[-] User was not added to ' + group_dn)
print('[!] ' + c.result['message'])
log.logOperation(self.operation, c.result['message'])
def delUser(self, c, userDn):
c.delete(userDn)
if c.result['description'] == 'success':
message = f'[+] {userDn} is deleted.'
print(message)
log.logOperation(self.operation, message)
elif c.result['description'] == 'noSuchObject':
print('[-] No such object! ' + userDn)
elif c.result['description'] == 'insufficientAccessRights':
print('[-] Access is denied!')
else:
print('[-] ' + userDn + ' is not deleted!')
print('[!] ' + c.result['message'])
log.logOperation(self.operation, c.result['message'])
def getSpns(self, c):
# Getting all user SPNs for the kerberoasting attack. The krbtgt account is excluded.
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(&(&(objectCategory=person)(objectClass=user)(servicePrincipalName=*))(!(sAMAccountName=krbtgt)))',
search_scope=SUBTREE,
attributes=['cn', 'sAMAccountName', 'servicePrincipalName'])
table = PrettyTable(['Name', 'sAMAccountName', 'servicePrincipalName'])
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
table.add_row([entry['attributes']['cn'], entry['attributes']['sAMAccountName'],
entry['attributes']['servicePrincipalName']])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of SPNs: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found Kerberoastable user!')
def setSpn(self, c, setSpnDn, spnName):
c.modify(setSpnDn, {'servicePrincipalName': [(MODIFY_ADD, [spnName])]})
if c.result['result'] == 32:
print('[-] Object is not found! Distinguished name is wrong.')
elif c.result['result'] == 19:
print('[-] SPN format is invalid.')
print('[!] ' + c.result['message'])
elif c.result['result'] == 20:
print('[-] SPN is duplicated.')
print('[!] ' + c.result['message'])
elif c.result['result'] == 0:
message = f'[+] {spnName} is added.'
print(message)
log.logOperation(self.operation, message)
elif c.result['description'] == 'insufficientAccessRights':
print('[-] Access is denied!')
else:
print('[-] Something went wrong!')
print('[!] ' + c.result['message'])
log.logOperation(self.operation, c.result['message'])
def unSetSpn(self, c, setSpnDn, spnName):
c.modify(setSpnDn, {'servicePrincipalName': [(MODIFY_DELETE, [spnName])]})
if c.result['result'] == 32:
print('[-] Object is not found! Distinguished name is wrong.')
elif c.result['result'] == 19:
print('[-] SPN format is invalid.')
print('[!] ' + c.result['message'])
elif c.result['result'] == 16:
print('[-] No such attribute. The SPN is wrong!')
print('[!] ' + c.result['message'])
elif c.result['result'] == 0:
message = f'[+] {spnName} is deleted.'
print(message)
log.logOperation(self.operation, message)
elif c.result['description'] == 'insufficientAccessRights':
print('[-] Access is denied!')
else:
print('[-] Something went wrong!')
print('[!] ' + c.result['message'])
log.logOperation(self.operation, c.result['message'])
def addUnconstrained(self, c, unconstrainedDn):
# userAccountControl 524288 TRUSTED_FOR_DELEGATION
c.modify(unconstrainedDn, {'userAccountControl': [(MODIFY_REPLACE, [524288])]})
if c.result['description'] == 'success':
message = f'[+] Trust this {unconstrainedDn} for delegation to any service(Kerberos only)'
print(message)
log.logOperation(self.operation, message)
elif c.result['description'] == 'insufficientAccessRights':
print('[-] Access is denied!')
else:
print('[-] Something went wrong!')
print('[!] ' + c.result['message'])
log.logOperation(self.operation, c.result['message'])
def addConstrained(self, c, constrainedDn, constrainedName):
# userAccountControl 512 NORMAL_ACCOUNT
# userAccountControl 16777216 TRUSTED_TO_AUTH_FOR_DELEGATION
c.search(search_base=self.searchBaseName, search_filter='(&(servicePrincipalName=*)(sAMAccountName=*%s*))' % constrainedName, attributes=ALL_ATTRIBUTES)
if len(c.entries) > 0:
services = c.entries[0]['servicePrincipalName']
table = PrettyTable(['Account Name','SPNs of Computer/User'])
table.align = "l"
for service in services:
table.add_row([c.entries[0]['sAMAccountName'],service])
print(table)
print('[*] Trust this user/computer for delegation to specified services only.')
allowedToDelegateTo = input('[*] Specify services to which "%s" account can present delegated credentials (comma separated): ' % constrainedDn)
formattedAllowedToDelegateTo = allowedToDelegateTo.split(',')
c.modify(constrainedDn, {'userAccountControl': [(MODIFY_REPLACE, [16777728])]})
c.modify(constrainedDn, {'msDS-AllowedToDelegateTo': [(MODIFY_ADD, formattedAllowedToDelegateTo)]})
if c.result['description'] == 'noSuchObject':
print('[-] No such object like: ' + constrainedDn)
elif c.result['description'] == 'success':
message = f'[+] Constrained delegation is added for {constrainedDn}'
print(message)
log.logOperation(self.operation, message)
elif c.result['description'] == 'insufficientAccessRights':
print('[-] Access is denied!')
elif c.result['description'] == 'attributeOrValueExists':
print('[!] Attribute or value had been added already.')
else:
print('[-] Something went wrong!')
print('[!] ' + c.result['message'])
log.logOperation(self.operation, c.result['message'])
else:
print('[-] The Computer/User account was not found or the specified user has not a SPN!')
def getAsRep(self, c):
# Getting all users for the ASREProasting attack.
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(&(objectCategory=person)(objectClass=user)(userAccountControl:1.2.840.113556.1.4.803:=4194304))',
search_scope=SUBTREE,
attributes=['cn', 'sAMAccountName', 'memberOf', 'distinguishedName'])
table = PrettyTable(['Name', 'sAMAccountName', 'Member Of', 'DN'])
table._max_width = {"Member Of": 80, "DN": 80}
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
memberOfs = entry['attributes']['memberOf']
if len(memberOfs) > 0:
for memberOf in memberOfs:
table.add_row([entry['attributes']['cn'], entry['attributes']['sAMAccountName'], memberOf, entry['attributes']['distinguishedName']])
else:
table.add_row([entry['attributes']['cn'], entry['attributes']['sAMAccountName'], '[]', entry['attributes']['distinguishedName']])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of searched domain users: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found ASREProastable user!')
def addAsRep(self, c, asRepDn):
# userAccountControl 4194304 DONT_REQ_PREAUTH
# userAccountControl 512 NORMAL_ACCOUNT
c.modify(asRepDn, {'userAccountControl': [(MODIFY_REPLACE, [4194816])]})
if c.result['description'] == 'success':
message = f'[+] Kerberos preauthentication is not required for {asRepDn}'
print(message)
log.logOperation(self.operation, message)
print('[+] AS-REP Roasting attack must be possible.')
elif c.result['description'] == 'insufficientAccessRights':
print('[-] Access is denied!')
else:
print('[-] Something went wrong!')
print('[!] ' + str(c.result))
log.logOperation(self.operation, str(c.result))
def delAsRep(self, c, asRepDn):
# userAccountControl 4194304 DONT_REQ_PREAUTH
# userAccountControl 512 NORMAL_ACCOUNT
c.modify(asRepDn, {'userAccountControl': [(MODIFY_REPLACE, [512])]})
if c.result['description'] == 'success':
message = f'[+] Kerberos preauthentication is required for {asRepDn}'
print(message)
log.logOperation(self.operation, message)
elif c.result['description'] == 'insufficientAccessRights':
print('[-] Access is denied!')
else:
print('[-] Something went wrong!')
print('[!] ' + str(c.result))
log.logOperation(self.operation, str(c.result))
def checkConnection(self, c):
table = PrettyTable(['Connection Details'])
table.add_row([str(c)])
print(table)
log.logOperation(self.operation, table)
def sidToObjectName(self, c, sid):
c.search(search_base=self.searchBaseName, search_filter='(objectSID=%s)' % sid, attributes=['sAMAccountName', 'distinguishedName'])
try:
objectName = c.entries[0]['sAMAccountName']
dn = c.entries[0]['distinguishedName']
return dn, objectName
except:
print('[-] SID not found: ', sid)
return False
def resetObject(self, c, objDn):
# for restoring userAccountControl value of object that has been modified
total_entries = 0
entry_generator = c.extend.standard.paged_search(search_base=self.searchBaseName,
search_filter='(&(objectClass=user)(cn=*' + objDn + '*))',
search_scope=SUBTREE,
attributes=['distinguishedName', 'sAMAccountName',
'userAccountControl'],
paged_size=None,
generator=True)
print("[*] Computers/users of " + self.domainName + " domain: \n")
table = PrettyTable(['Distinguished Name', 'sAMAccountName', 'userAccountControl'])
table.align = "l"
for entry in entry_generator:
if 'dn' in entry:
table.add_row([entry['attributes']['distinguishedName'], entry['attributes']['sAMAccountName'],
entry['attributes']['userAccountControl']])
total_entries += 1
if total_entries > 0:
print(table)
print('[+] Count of searched objects: ', total_entries)
log.logOperation(self.operation, table)
else:
print('[-] Not found!')
if total_entries == 1:
oldUserAccountControl = entry['attributes']['userAccountControl']
dName = entry['attributes']['distinguishedName']
table = PrettyTable(['userAccountControl'])
table.align = "l"
table.add_row([str(oldUserAccountControl)])
print(table)
log.logOperation(self.operation, table)
response = input('[*] Would you like to change value of userAccountControl?(y/n) ')
if response == 'y':
newUserAccountControl = input('[*] userAccountControl Value: ')
c.modify(dName, {'userAccountControl': [(MODIFY_REPLACE, [newUserAccountControl])]})
if c.result['description'] == 'success':
table = PrettyTable(['DN', 'userAccountControl'])
table.align = "l"
table.add_row([dName, newUserAccountControl])
print(table)
log.logOperation(self.operation, table)
else:
print('[-] Something went wrong!')
print('[!] ' + str(c.result))
else:
print('[!] To change value of userAccountControl you must specify one user/computer account!')
count = 0
while True:
try:
# to avoid exiting after an operation based error
if count == 0:
# print banner
banner.dumlupinar()
server = input('[*] IP address of DC: ')
domainName = input('[*] Domain name: ')
username = input('[*] Username: ')
password = getpass.getpass(prompt='[*] Password or NT Hash: ', stream=None)