####################
#
# Copyright (c) 2017 Dirk-jan Mollema
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
####################
import sys, os, re, codecs, json, argparse, getpass, base64
# import class and constants
from datetime import datetime, timedelta
from urllib.parse import quote_plus
import ldap3
from ldap3 import Server, Connection, SIMPLE, SYNC, ALL, SASL, NTLM
from ldap3.core.exceptions import LDAPKeyError, LDAPAttributeError, LDAPCursorError, LDAPInvalidDnError
from ldap3.abstract import attribute, attrDef
from ldap3.utils import dn
from ldap3.protocol.formatters.formatters import format_sid
# dnspython, for resolving hostnames
import dns.resolver
# User account control flags
# From: https://blogs.technet.microsoft.com/askpfeplat/2014/01/15/understanding-the-useraccountcontrol-attribute-in-active-directory/
uac_flags = {'ACCOUNT_DISABLED':0x00000002,
'ACCOUNT_LOCKED':0x00000010,
'PASSWD_NOTREQD':0x00000020,
'PASSWD_CANT_CHANGE': 0x00000040,
'PASSWORD_STORE_CLEARTEXT': 0x00000080,
'NORMAL_ACCOUNT': 0x00000200,
'WORKSTATION_ACCOUNT':0x00001000,
'SERVER_TRUST_ACCOUNT': 0x00002000,
'DONT_EXPIRE_PASSWD': 0x00010000,
'SMARTCARD_REQUIRED': 0x00040000,
'TRUSTED_FOR_DELEGATION': 0x00080000,
'NOT_DELEGATED': 0x00100000,
'USE_DES_KEY_ONLY': 0x00200000,
'DONT_REQ_PREAUTH': 0x00400000,
'PASSWORD_EXPIRED': 0x00800000,
'TRUSTED_TO_AUTH_FOR_DELEGATION': 0x01000000,
'PARTIAL_SECRETS_ACCOUNT': 0x04000000
}
# Password policy flags
pwd_flags = {'PASSWORD_COMPLEX':0x01,
'PASSWORD_NO_ANON_CHANGE': 0x02,
'PASSWORD_NO_CLEAR_CHANGE': 0x04,
'LOCKOUT_ADMINS': 0x08,
'PASSWORD_STORE_CLEARTEXT': 0x10,
'REFUSE_PASSWORD_CHANGE': 0x20}
# Domain trust flags
# From: https://msdn.microsoft.com/en-us/library/cc223779.aspx
trust_flags = {'NON_TRANSITIVE':0x00000001,
'UPLEVEL_ONLY':0x00000002,
'QUARANTINED_DOMAIN':0x00000004,
'FOREST_TRANSITIVE':0x00000008,
'CROSS_ORGANIZATION':0x00000010,
'WITHIN_FOREST':0x00000020,
'TREAT_AS_EXTERNAL':0x00000040,
'USES_RC4_ENCRYPTION':0x00000080,
'CROSS_ORGANIZATION_NO_TGT_DELEGATION':0x00000200,
'CROSS_ORGANIZATION_ENABLE_TGT_DELEGATION':0x00000800,
'PIM_TRUST':0x00000400}
# Domain trust direction
# From: https://msdn.microsoft.com/en-us/library/cc223768.aspx
trust_directions = {'INBOUND':0x01,
'OUTBOUND':0x02,
'BIDIRECTIONAL':0x03}
# Domain trust types
trust_type = {'DOWNLEVEL':0x01,
'UPLEVEL':0x02,
'MIT':0x03}
# Common attribute pretty translations
attr_translations = {'sAMAccountName':'SAM Name',
'cn':'CN',
'operatingSystem':'Operating System',
'operatingSystemServicePack':'Service Pack',
'operatingSystemVersion':'OS Version',
'userAccountControl':'Flags',
'objectSid':'SID',
'memberOf':'Member of groups',
'primaryGroupId':'Primary group',
'dNSHostName':'DNS Hostname',
'whenCreated':'Created on',
'whenChanged':'Changed on',
'IPv4':'IPv4 Address',
'lockOutObservationWindow':'Lockout time window',
'lockoutDuration':'Lockout Duration',
'lockoutThreshold':'Lockout Threshold',
'maxPwdAge':'Max password age',
'minPwdAge':'Min password age',
'minPwdLength':'Min password length',
'pwdHistoryLength':'Password history length',
'pwdProperties':'Password properties',
'ms-DS-MachineAccountQuota':'Machine Account Quota',
'flatName':'NETBIOS Domain name'}
MINIMAL_COMPUTERATTRIBUTES = ['cn', 'sAMAccountName', 'dNSHostName', 'operatingSystem', 'operatingSystemServicePack', 'operatingSystemVersion', 'lastLogon', 'userAccountControl', 'whenCreated', 'objectSid', 'description', 'objectClass']
MINIMAL_USERATTRIBUTES = ['cn', 'name', 'sAMAccountName', 'memberOf', 'primaryGroupId', 'whenCreated', 'whenChanged', 'lastLogon', 'userAccountControl', 'pwdLastSet', 'objectSid', 'description', 'objectClass']
MINIMAL_GROUPATTRIBUTES = ['cn', 'name', 'sAMAccountName', 'memberOf', 'description', 'whenCreated', 'whenChanged', 'objectSid', 'distinguishedName', 'objectClass']
#Class containing the default config
class domainDumpConfig():
def __init__(self):
#Base path
self.basepath = '.'
#Output files basenames
self.groupsfile = 'domain_groups' #Groups
self.usersfile = 'domain_users' #User accounts
self.computersfile = 'domain_computers' #Computer accounts
self.policyfile = 'domain_policy' #General domain attributes
self.trustsfile = 'domain_trusts' #Domain trusts attributes
#Combined files basenames
self.users_by_group = 'domain_users_by_group' #Users sorted by group
self.computers_by_os = 'domain_computers_by_os' #Computers sorted by OS
#Output formats
self.outputhtml = True
self.outputjson = True
self.outputgrep = True
#Output json for groups
self.groupedjson = False
#Default field delimiter for greppable format is a tab
self.grepsplitchar = '\t'
#Other settings
self.lookuphostnames = False #Look up hostnames of computers to get their IP address
self.dnsserver = '' #Addres of the DNS server to use, if not specified default DNS will be used
self.minimal = False #Only query minimal list of attributes
#Domaindumper main class
class domainDumper():
def __init__(self, server, connection, config, root=None):
self.server = server
self.connection = connection
self.config = config
#Unless the root is specified we get it from the server
if root is None:
self.root = self.getRoot()
else:
self.root = root
self.users = None #Domain users
self.groups = None #Domain groups
self.computers = None #Domain computers
self.policy = None #Domain policy
self.groups_dnmap = None #CN map for group IDs to CN
self.groups_dict = None #Dictionary of groups by CN
self.trusts = None #Domain trusts
#Get the server root from the default naming context
def getRoot(self):
return self.server.info.other['defaultNamingContext'][0]
#Query the groups of the current user
def getCurrentUserGroups(self, username, domainsid=None):
self.connection.search(self.root, '(&(objectCategory=person)(objectClass=user)(sAMAccountName=%s))' % username, attributes=['cn', 'memberOf', 'primaryGroupId'])
try:
groups = self.connection.entries[0]['memberOf'].values
if domainsid is not None:
groups.append(self.getGroupDNfromID(domainsid, self.connection.entries[0]['primaryGroupId'].value))
return groups
except LDAPKeyError:
#No groups, probably just member of the primary group
if domainsid is not None:
primarygroup = self.getGroupDNfromID(domainsid, self.connection.entries[0]['primaryGroupId'].value)
return [primarygroup]
else:
return []
except IndexError:
#The username does not exist (might be a computer account)
return []
#Check if the user is part of the Domain Admins or Enterprise Admins group, or any of their subgroups
def isDomainAdmin(self, username):
domainsid = self.getRootSid()
groups = self.getCurrentUserGroups(username, domainsid)
#Get DA and EA group DNs
dagroupdn = self.getDAGroupDN(domainsid)
eagroupdn = self.getEAGroupDN(domainsid)
#First, simple checks
for group in groups:
if 'CN=Administrators' in group or 'CN=Domain Admins' in group or dagroupdn == group:
return True
#Also for enterprise admins if applicable
if 'CN=Enterprise Admins' in group or (eagroupdn is not False and eagroupdn == group):
return True
#Now, just do a recursive check in both groups and their subgroups using LDAP_MATCHING_RULE_IN_CHAIN
self.connection.search(self.root, '(&(objectCategory=person)(objectClass=user)(sAMAccountName=%s)(memberOf:1.2.840.113556.1.4.1941:=%s))' % (username, dagroupdn), attributes=['cn', 'sAMAccountName'])
if len(self.connection.entries) > 0:
return True
self.connection.search(self.root, '(&(objectCategory=person)(objectClass=user)(sAMAccountName=%s)(memberOf:1.2.840.113556.1.4.1941:=%s))' % (username, eagroupdn), attributes=['cn', 'sAMAccountName'])
if len(self.connection.entries) > 0:
return True
#At last, check the users primary group ID
return False
#Get all users
def getAllUsers(self):
if self.config.minimal:
self.connection.extend.standard.paged_search('%s' % (self.root), '(&(objectCategory=person)(objectClass=user))', attributes=MINIMAL_USERATTRIBUTES, paged_size=500, generator=False)
else:
self.connection.extend.standard.paged_search('%s' % (self.root), '(&(objectCategory=person)(objectClass=user))', attributes=ldap3.ALL_ATTRIBUTES, paged_size=500, generator=False)
return self.connection.entries
#Get all computers in the domain
def getAllComputers(self):
if self.config.minimal:
self.connection.extend.standard.paged_search('%s' % (self.root), '(&(objectClass=computer)(objectClass=user))', attributes=MINIMAL_COMPUTERATTRIBUTES, paged_size=500, generator=False)
else:
self.connection.extend.standard.paged_search('%s' % (self.root), '(&(objectClass=computer)(objectClass=user))', attributes=ldap3.ALL_ATTRIBUTES, paged_size=500, generator=False)
return self.connection.entries
#Get all user SPNs
def getAllUserSpns(self):
if self.config.minimal:
self.connection.extend.standard.paged_search('%s' % (self.root), '(&(objectCategory=person)(objectClass=user)(servicePrincipalName=*))', attributes=MINIMAL_USERATTRIBUTES, paged_size=500, generator=False)
else:
self.connection.extend.standard.paged_search('%s' % (self.root), '(&(objectCategory=person)(objectClass=user)(servicePrincipalName=*))', attributes=ldap3.ALL_ATTRIBUTES, paged_size=500, generator=False)
return self.connection.entries
#Get all defined groups
def getAllGroups(self):
if self.config.minimal:
self.connection.extend.standard.paged_search(self.root, '(objectClass=group)', attributes=MINIMAL_GROUPATTRIBUTES, paged_size=500, generator=False)
else:
self.connection.extend.standard.paged_search(self.root, '(objectClass=group)', attributes=ldap3.ALL_ATTRIBUTES, paged_size=500, generator=False)
return self.connection.entries
#Get the domain policies (such as lockout policy)
def getDomainPolicy(self):
self.connection.search(self.root, '(objectClass=domain)', attributes=ldap3.ALL_ATTRIBUTES)
return self.connection.entries
#Get domain trusts
def getTrusts(self):
self.connection.search(self.root, '(objectClass=trustedDomain)', attributes=ldap3.ALL_ATTRIBUTES)
return self.connection.entries
#Get all defined security groups
#Syntax from:
#https://ldapwiki.willeke.com/wiki/Active%20Directory%20Group%20Related%20Searches
def getAllSecurityGroups(self):
self.connection.search(self.root, '(groupType:1.2.840.113556.1.4.803:=2147483648)', attributes=ldap3.ALL_ATTRIBUTES)
return self.connection.entries
#Get the SID of the root object
def getRootSid(self):
self.connection.search(self.root, '(objectClass=domain)', attributes=['objectSid'])
try:
sid = self.connection.entries[0].objectSid
except (LDAPAttributeError, LDAPCursorError, IndexError):
return False
return sid
#Get group members recursively using LDAP_MATCHING_RULE_IN_CHAIN (1.2.840.113556.1.4.1941)
def getRecursiveGroupmembers(self, groupdn):
self.connection.extend.standard.paged_search(self.root, '(&(objectCategory=person)(objectClass=user)(memberOf:1.2.840.113556.1.4.1941:=%s))' % groupdn, attributes=MINIMAL_USERATTRIBUTES, paged_size=500, generator=False)
return self.connection.entries
#Resolve group ID to DN
def getGroupDNfromID(self, domainsid, gid):
self.connection.search(self.root, '(objectSid=%s-%d)' % (domainsid, gid), attributes=['distinguishedName'])
return self.connection.entries[0]['distinguishedName'].value
#Get Domain Admins group DN
def getDAGroupDN(self, domainsid):
return self.getGroupDNfromID(domainsid, 512)
#Get Enterprise Admins group DN
def getEAGroupDN(self, domainsid):
try:
return self.getGroupDNfromID(domainsid, 519)
except (LDAPAttributeError, LDAPCursorError, IndexError):
#This does not exist, could be in a parent domain
return False
#Lookup all computer DNS names to get their IP
def lookupComputerDnsNames(self):
dnsresolver = dns.resolver.Resolver()
dnsresolver.lifetime = 2
ipdef = attrDef.AttrDef('ipv4')
if self.config.dnsserver != '':
dnsresolver.nameservers = [self.config.dnsserver]
for computer in self.computers:
try:
answers = dnsresolver.query(computer.dNSHostName.values[0], 'A')
ip = str(answers.response.answer[0][0])
except dns.resolver.NXDOMAIN:
ip = 'error.NXDOMAIN'
except dns.resolver.Timeout:
ip = 'error.TIMEOUT'
except (LDAPAttributeError, LDAPCursorError):
ip = 'error.NOHOSTNAME'
#Construct a custom attribute as workaround
ipatt = attribute.Attribute(ipdef, computer, None)
ipatt.__dict__['_response'] = ip
ipatt.__dict__['raw_values'] = [ip]
ipatt.__dict__['values'] = [ip]
#Add the attribute to the entry's dictionary
computer._state.attributes['IPv4'] = ipatt
#Create a dictionary of all operating systems with the computer accounts that are associated
def sortComputersByOS(self, items):
osdict = {}
for computer in items:
try:
cos = computer.operatingSystem.value or 'Unknown'
except (LDAPAttributeError, LDAPCursorError):
cos = 'Unknown'
try:
osdict[cos].append(computer)
except KeyError:
#New OS
osdict[cos] = [computer]
return osdict
#Map all groups on their ID (taken from their SID) to CNs
#This is used for getting the primary group of a user
def mapGroupsIdsToDns(self):
dnmap = {}
for group in self.groups:
gid = int(group.objectSid.value.split('-')[-1])
dnmap[gid] = group.distinguishedName.values[0]
self.groups_dnmap = dnmap
return dnmap
#Create a dictionary where a groups CN returns the full object
def createGroupsDictByCn(self):
gdict = {grp.cn.values[0]:grp for grp in self.groups}
self.groups_dict = gdict
return gdict
#Get CN from DN
def getGroupCnFromDn(self, dnin):
cn = self.unescapecn(dn.parse_dn(dnin)[0][1])
return cn
#Unescape special DN characters from a CN (only needed if it comes from a DN)
def unescapecn(self, cn):
for c in ' "#+,;<=>\\\00':
cn = cn.replace('\\'+c, c)
return cn
#Sort users by group they belong to
def sortUsersByGroup(self, items):
groupsdict = {}
#Make sure the group CN mapping already exists
if self.groups_dnmap is None:
self.mapGroupsIdsToDns()
for user in items:
try:
ugroups = [self.getGroupCnFromDn(group) for group in user.memberOf.values]
#If the user is only in the default group, its memberOf property wont exist
except (LDAPAttributeError, LDAPCursorError):
ugroups = []
#Add the user default group
try:
ugroups.append(self.getGroupCnFromDn(self.groups_dnmap[user.primaryGroupId.value]))
# Sometimes we can't query this group or it doesn't exist
except KeyError:
pass
for group in ugroups:
try:
groupsdict[group].append(user)
except KeyError:
#Group is not yet in dict
groupsdict[group] = [user]
#Append any groups that are members of groups
for group in self.groups:
try:
for parentgroup in group.memberOf.values:
try:
groupsdict[self.getGroupCnFromDn(parentgroup)].append(group)
except KeyError:
#Group is not yet in dict
groupsdict[self.getGroupCnFromDn(parentgroup)] = [group]
#Without subgroups this attribute does not exist
except (LDAPAttributeError, LDAPCursorError):
pass
return groupsdict
#Main function
def domainDump(self):
self.users = self.getAllUsers()
self.computers = self.getAllComputers()
self.groups = self.getAllGroups()
if self.config.lookuphostnames:
self.lookupComputerDnsNames()
self.policy = self.getDomainPolicy()
self.trusts = self.getTrusts()
rw = reportWriter(self.config)
rw.generateUsersReport(self)
rw.generateGroupsReport(self)
rw.generateComputersReport(self)
rw.generatePolicyReport(self)
rw.generateTrustsReport(self)
rw.generateComputersByOsReport(self)
rw.generateUsersByGroupReport(self)
class reportWriter():
def __init__(self, config):
self.config = config
self.dd = None
if self.config.lookuphostnames:
self.computerattributes = ['cn', 'sAMAccountName', 'dNSHostName', 'IPv4', 'operatingSystem', 'operatingSystemServicePack', 'operatingSystemVersion', 'lastLogon', 'userAccountControl', 'whenCreated', 'objectSid', 'description']
else:
self.computerattributes = ['cn', 'sAMAccountName', 'dNSHostName', 'operatingSystem', 'operatingSystemServicePack', 'operatingSystemVersion', 'lastLogon', 'userAccountControl', 'whenCreated', 'objectSid', 'description']
self.userattributes = ['cn', 'name', 'sAMAccountName', 'memberOf', 'primaryGroupId', 'whenCreated', 'whenChanged', 'lastLogon', 'userAccountControl', 'pwdLastSet', 'objectSid', 'description']
#In grouped view, don't include the memberOf property to reduce output size
self.userattributes_grouped = ['cn', 'name', 'sAMAccountName', 'whenCreated', 'whenChanged', 'lastLogon', 'userAccountControl', 'pwdLastSet', 'objectSid', 'description']
self.groupattributes = ['cn', 'sAMAccountName', 'memberOf', 'description', 'whenCreated', 'whenChanged', 'objectSid']
self.policyattributes = ['distinguishedName', 'lockOutObservationWindow', 'lockoutDuration', 'lockoutThreshold', 'maxPwdAge', 'minPwdAge', 'minPwdLength', 'pwdHistoryLength', 'pwdProperties', 'ms-DS-MachineAccountQuota']
self.trustattributes = ['cn', 'flatName', 'securityIdentifier', 'trustAttributes', 'trustDirection', 'trustType']
#Escape HTML special chars
def htmlescape(self, html):
return (html.replace("&", "&").replace("<", "<").replace(">", ">").replace("'", "'").replace('"', """))
#Unescape special DN characters from a CN (only needed if it comes from a DN)
def unescapecn(self, cn):
for c in ' "#+,;<=>\\\00':
cn = cn.replace('\\'+c, c)
return cn
#Convert password max age (in 100 nanoseconds), to days
def nsToDays(self, length):
# ldap3 >= 2.6 returns timedelta
if isinstance(length, timedelta):
return length.total_seconds() / 86400
else:
return abs(length) * .0000001 / 86400
def nsToMinutes(self, length):
# ldap3 >= 2.6 returns timedelta
if isinstance(length, timedelta):
return length.total_seconds() / 60
else:
return abs(length) * .0000001 / 60
#Parse bitwise flags into a list
def parseFlags(self, attr, flags_def):
outflags = []
if attr is None or attr.value is None:
return outflags
for flag, val in flags_def.items():
if int(attr.value) & val:
outflags.append(flag)
return outflags
#Parse bitwise trust direction - only one flag applies here, 0x03 overlaps
def parseSingleFlag(self, attr, flags_def):
outflags = []
if attr is None:
return outflags
for flag, val in flags_def.items():
if int(attr.value) == val:
outflags.append(flag)
return outflags
#Generate a HTML table from a list of entries, with the specified attributes as column
def generateHtmlTable(self, listable, attributes, header='', firstTable=True, specialGroupsFormat=False):
of = []
#Only if this is the first table it is an actual table, the others are just bodies of the first table
#This makes sure that multiple tables have their columns aligned to make it less messy
if firstTable:
of.append('')
#Table header
if header != '':
of.append('| %s |
' % (len(attributes), self.formatId(header), header))
of.append('')
for hdr in attributes:
try:
#Print alias of this attribute if there is one
of.append('| %s | ' % self.htmlescape(attr_translations[hdr]))
except KeyError:
of.append('%s | ' % self.htmlescape(hdr))
of.append('
\n')
for li in listable:
#Whether we should format group objects separately
if specialGroupsFormat and 'group' in li['objectClass'].values:
#Give it an extra class and pass it to the function below to make sure the CN is a link
liIsGroup = True
of.append('')
else:
liIsGroup = False
of.append('
')
for att in attributes:
try:
of.append('| %s | ' % self.formatAttribute(li[att], liIsGroup))
except (LDAPKeyError, LDAPCursorError):
of.append(' | ')
of.append('
\n')
of.append('\n')
return ''.join(of)
#Generate several HTML tables for grouped reports
def generateGroupedHtmlTables(self, groups, attributes):
first = True
for groupname, members in groups.items():
yield self.generateHtmlTable(members, attributes, groupname, first, specialGroupsFormat=True)
if first:
first = False
#Write generated HTML to file
def writeHtmlFile(self, rel_outfile, body, genfunc=None, genargs=None, closeTable=True):
if not os.path.exists(self.config.basepath):
os.makedirs(self.config.basepath)
outfile = os.path.join(self.config.basepath, rel_outfile)
with codecs.open(outfile, 'w', 'utf8') as of:
of.write('\n\n')
#Include the style
try:
with open(os.path.join(os.path.dirname(__file__), 'style.css'), 'r') as sf:
of.write('')
except IOError:
log_warn('style.css not found in package directory, styling will be skipped')
of.write('')
#If the generator is not specified, we should write the HTML blob directly
if genfunc is None:
of.write(body)
else:
for tpart in genfunc(*genargs):
of.write(tpart)
#Does the body contain an open table?
if closeTable:
of.write('
')
of.write('')
#Write generated JSON to file
def writeJsonFile(self, rel_outfile, jsondata, genfunc=None, genargs=None):
if not os.path.exists(self.config.basepath):
os.makedirs(self.config.basepath)
outfile = os.path.join(self.config.basepath, rel_outfile)
with codecs.open(outfile, 'w', 'utf8') as of:
#If the generator is not specified, we should write the JSON blob directly
if genfunc is None:
of.write(jsondata)
else:
for jpart in genfunc(*genargs):
of.write(jpart)
#Write generated Greppable stuff to file
def writeGrepFile(self, rel_outfile, body):
if not os.path.exists(self.config.basepath):
os.makedirs(self.config.basepath)
outfile = os.path.join(self.config.basepath, rel_outfile)
with codecs.open(outfile, 'w', 'utf8') as of:
of.write(body)
#Format a value for HTML
def formatString(self, value):
if type(value) is datetime:
try:
return value.strftime('%x %X')
except ValueError:
#Invalid date
return '0'
# Make sure it's a unicode string
if type(value) is bytes:
return value.encode('utf8')
if type(value) is str:
return value#.encode('utf8')
if type(value) is int:
return str(value)
if value is None:
return ''
#Other type: just return it
return value
#Format an attribute to a human readable format
def formatAttribute(self, att, formatCnAsGroup=False):
aname = att.key.lower()
#User flags
if aname == 'useraccountcontrol':
return ', '.join(self.parseFlags(att, uac_flags))
#List of groups
if aname == 'member' or aname == 'memberof' and type(att.values) is list:
return self.formatGroupsHtml(att.values)
#Primary group
if aname == 'primarygroupid':
try:
return self.formatGroupsHtml([self.dd.groups_dnmap[att.value]])
except KeyError:
return 'NOT FOUND!'
if aname == 'description' and type(att.values) is list:
return " ".join(att.values)
#Pwd flags
if aname == 'pwdproperties':
return ', '.join(self.parseFlags(att, pwd_flags))
#Domain trust flags
if aname == 'trustattributes':
return ', '.join(self.parseFlags(att, trust_flags))
if aname == 'trustdirection':
if att.value == 0:
return 'DISABLED'
else:
return ', '.join(self.parseSingleFlag(att, trust_directions))
if aname == 'trusttype':
return ', '.join(self.parseSingleFlag(att, trust_type))
if aname == 'securityidentifier':
return format_sid(att.raw_values[0])
if aname == 'minpwdage' or aname == 'maxpwdage':
return '%.2f days' % self.nsToDays(att.value)
if aname == 'lockoutobservationwindow' or aname == 'lockoutduration':
return '%.1f minutes' % self.nsToMinutes(att.value)
if aname == 'objectsid':
return '%s' % (att.value, att.value.split('-')[-1])
#Special case where the attribute is a CN and it should be made clear its a group
if aname == 'cn' and formatCnAsGroup:
return self.formatCnWithGroupLink(att.value)
#Other
return self.htmlescape(self.formatString(att.value))
def formatCnWithGroupLink(self, cn):
return 'Group: %s' % (self.formatId(cn), self.htmlescape(cn), self.htmlescape(cn))
#Convert a CN to a valid HTML id by replacing all non-ascii characters with a _
def formatId(self, cn):
return re.sub(r'[^a-zA-Z0-9_\-]+', '_', cn)
# Fallback function for dirty DN parsing in case ldap3 functions error out
def parseDnFallback(self, dn):
try:
indcn = dn[3:].index(',CN=')
indou = dn[3:].index(',OU=')
if indcn < indou:
cn = dn[3:].split(',CN=')[0]
else:
cn = dn[3:].split(',OU=')[0]
except ValueError:
cn = dn
return cn
#Format groups to readable HTML
def formatGroupsHtml(self, grouplist):
outcache = []
for group in grouplist:
try:
cn = self.unescapecn(dn.parse_dn(group)[0][1])
except LDAPInvalidDnError:
# Parsing failed, do it manually
cn = self.unescapecn(self.parseDnFallback(group))
outcache.append('%s' % (self.config.users_by_group, quote_plus(self.formatId(cn)), self.htmlescape(group), self.htmlescape(cn)))
return ', '.join(outcache)
#Format groups to readable HTML
def formatGroupsGrep(self, grouplist):
outcache = []
for group in grouplist:
try:
cn = self.unescapecn(dn.parse_dn(group)[0][1])
except LDAPInvalidDnError:
# Parsing failed, do it manually
cn = self.unescapecn(self.parseDnFallback(group))
outcache.append(cn)
return ', '.join(outcache)
#Format attribute for grepping
def formatGrepAttribute(self, att):
aname = att.key.lower()
#User flags
if aname == 'useraccountcontrol':
return ', '.join(self.parseFlags(att, uac_flags))
#List of groups
if aname == 'member' or aname == 'memberof' and type(att.values) is list:
return self.formatGroupsGrep(att.values)
if aname == 'primarygroupid':
try:
return self.formatGroupsGrep([self.dd.groups_dnmap[att.value]])
except KeyError:
return 'NOT FOUND!'
if aname == 'description' and type(att.values) is list:
return " ".join(att.values)
#Domain trust flags
if aname == 'trustattributes':
return ', '.join(self.parseFlags(att, trust_flags))
if aname == 'trustdirection':
if att.value == 0:
return 'DISABLED'
else:
return ', '.join(self.parseSingleFlag(att, trust_directions))
if aname == 'trusttype':
return ', '.join(self.parseSingleFlag(att, trust_type))
if aname == 'securityidentifier':
return format_sid(att.raw_values[0])
#Pwd flags
if aname == 'pwdproperties':
return ', '.join(self.parseFlags(att, pwd_flags))
if aname == 'minpwdage' or aname == 'maxpwdage':
return '%.2f days' % self.nsToDays(att.value)
if aname == 'lockoutobservationwindow' or aname == 'lockoutduration':
return '%.1f minutes' % self.nsToMinutes(att.value)
return self.formatString(att.value)
#Generate grep/awk/cut-able output
def generateGrepList(self, entrylist, attributes):
hdr = self.config.grepsplitchar.join(attributes)
out = [hdr]
for entry in entrylist:
eo = []
for attr in attributes:
try:
eo.append(self.formatGrepAttribute(entry[attr]) or '')
except (LDAPKeyError, LDAPCursorError):
eo.append('')
out.append(self.config.grepsplitchar.join(eo))
return '\n'.join(out)
#Convert a list of entities to a JSON string
#String concatenation is used here since the entities have their own json generate
#method and converting the string back to json just to process it would be inefficient
def generateJsonList(self, entrylist):
out = '[' + ','.join([entry.entry_to_json() for entry in entrylist]) + ']'
return out
#Convert a group key/value pair to json
#Same methods as previous function are used
def generateJsonGroup(self, group):
out = '{%s:%s}' % (json.dumps(group[0]), self.generateJsonList(group[1]))
return out
#Convert a list of group dicts with entry lists to JSON string
#Same methods as previous functions are used, except that text is returned
#from a generator rather than allocating everything in memory
def generateJsonGroupedList(self, groups):
#Start of the list
yield '['
firstGroup = True
for group in groups.items():
if not firstGroup:
#Separate items
yield ','
else:
firstGroup = False
yield self.generateJsonGroup(group)
yield ']'
#Generate report of all computers grouped by OS family
def generateComputersByOsReport(self, dd):
grouped = dd.sortComputersByOS(dd.computers)
if self.config.outputhtml:
#Use the generator approach to save memory
self.writeHtmlFile('%s.html' % self.config.computers_by_os, None, genfunc=self.generateGroupedHtmlTables, genargs=(grouped, self.computerattributes))
if self.config.outputjson and self.config.groupedjson:
self.writeJsonFile('%s.json' % self.config.computers_by_os, None, genfunc=self.generateJsonGroupedList, genargs=(grouped, ))
#Generate report of all groups and detailled user info
def generateUsersByGroupReport(self, dd):
grouped = dd.sortUsersByGroup(dd.users)
if self.config.outputhtml:
#Use the generator approach to save memory
self.writeHtmlFile('%s.html' % self.config.users_by_group, None, genfunc=self.generateGroupedHtmlTables, genargs=(grouped, self.userattributes_grouped))
if self.config.outputjson and self.config.groupedjson:
self.writeJsonFile('%s.json' % self.config.users_by_group, None, genfunc=self.generateJsonGroupedList, genargs=(grouped, ))
#Generate report with just a table of all users
def generateUsersReport(self, dd):
#Copy dd to this object, to be able to reference it
self.dd = dd
dd.mapGroupsIdsToDns()
if self.config.outputhtml:
html = self.generateHtmlTable(dd.users, self.userattributes, 'Domain users')
self.writeHtmlFile('%s.html' % self.config.usersfile, html)
if self.config.outputgrep:
grepout = self.generateGrepList(dd.users, self.userattributes)
self.writeGrepFile('%s.grep' % self.config.usersfile, grepout)
if self.config.outputjson:
jsonout = self.generateJsonList(dd.users)
self.writeJsonFile('%s.json' % self.config.usersfile, jsonout)
#Generate report with just a table of all computer accounts
def generateComputersReport(self, dd):
if self.config.outputhtml:
html = self.generateHtmlTable(dd.computers, self.computerattributes, 'Domain computer accounts')
self.writeHtmlFile('%s.html' % self.config.computersfile, html)
if self.config.outputgrep:
grepout = self.generateGrepList(dd.computers, self.computerattributes)
self.writeGrepFile('%s.grep' % self.config.computersfile, grepout)
if self.config.outputjson:
jsonout = self.generateJsonList(dd.computers)
self.writeJsonFile('%s.json' % self.config.computersfile, jsonout)
#Generate report with just a table of all computer accounts
def generateGroupsReport(self, dd):
if self.config.outputhtml:
html = self.generateHtmlTable(dd.groups, self.groupattributes, 'Domain groups')
self.writeHtmlFile('%s.html' % self.config.groupsfile, html)
if self.config.outputgrep:
grepout = self.generateGrepList(dd.groups, self.groupattributes)
self.writeGrepFile('%s.grep' % self.config.groupsfile, grepout)
if self.config.outputjson:
jsonout = self.generateJsonList(dd.groups)
self.writeJsonFile('%s.json' % self.config.groupsfile, jsonout)
#Generate policy report
def generatePolicyReport(self, dd):
if self.config.outputhtml:
html = self.generateHtmlTable(dd.policy, self.policyattributes, 'Domain policy')
self.writeHtmlFile('%s.html' % self.config.policyfile, html)
if self.config.outputgrep:
grepout = self.generateGrepList(dd.policy, self.policyattributes)
self.writeGrepFile('%s.grep' % self.config.policyfile, grepout)
if self.config.outputjson:
jsonout = self.generateJsonList(dd.policy)
self.writeJsonFile('%s.json' % self.config.policyfile, jsonout)
#Generate policy report
def generateTrustsReport(self, dd):
if self.config.outputhtml:
html = self.generateHtmlTable(dd.trusts, self.trustattributes, 'Domain trusts')
self.writeHtmlFile('%s.html' % self.config.trustsfile, html)
if self.config.outputgrep:
grepout = self.generateGrepList(dd.trusts, self.trustattributes)
self.writeGrepFile('%s.grep' % self.config.trustsfile, grepout)
if self.config.outputjson:
jsonout = self.generateJsonList(dd.trusts)
self.writeJsonFile('%s.json' % self.config.trustsfile, jsonout)
#Some quick logging helpers
def log_warn(text):
print('[!] %s' % text)
def log_info(text):
print('[*] %s' % text)
def log_success(text):
print('[+] %s' % text)
def main():
parser = argparse.ArgumentParser(description='Domain information dumper via LDAP. Dumps users/computers/groups and OS/membership information to HTML/JSON/greppable output.')
parser._optionals.title = "Main options"
parser._positionals.title = "Required options"
#Main parameters
#maingroup = parser.add_argument_group("Main options")
parser.add_argument("host", type=str, metavar='HOSTNAME', help="Hostname/ip or ldap://host:port connection string to connect to (use ldaps:// to use SSL)")
parser.add_argument("-u", "--user", type=str, metavar='USERNAME', help="DOMAIN\\username for authentication, leave empty for anonymous authentication")
parser.add_argument("-p", "--password", type=str, metavar='PASSWORD', help="Password or LM:NTLM hash, will prompt if not specified")
parser.add_argument("-at", "--authtype", type=str, choices=['NTLM', 'SIMPLE'], default='NTLM', help="Authentication type (NTLM or SIMPLE, default: NTLM)")
#Output parameters
outputgroup = parser.add_argument_group("Output options")
outputgroup.add_argument("-o", "--outdir", type=str, metavar='DIRECTORY', help="Directory in which the dump will be saved (default: current)")
outputgroup.add_argument("--no-html", action='store_true', help="Disable HTML output")
outputgroup.add_argument("--no-json", action='store_true', help="Disable JSON output")
outputgroup.add_argument("--no-grep", action='store_true', help="Disable Greppable output")
outputgroup.add_argument("--grouped-json", action='store_true', default=False, help="Also write json files for grouped files (default: disabled)")
outputgroup.add_argument("-d", "--delimiter", help="Field delimiter for greppable output (default: tab)")
#Additional options
miscgroup = parser.add_argument_group("Misc options")
miscgroup.add_argument("-r", "--resolve", action='store_true', help="Resolve computer hostnames (might take a while and cause high traffic on large networks)")
miscgroup.add_argument("-n", "--dns-server", help="Use custom DNS resolver instead of system DNS (try a domain controller IP)")
miscgroup.add_argument("-m", "--minimal", action='store_true', default=False, help="Only query minimal set of attributes to limit memmory usage")
args = parser.parse_args()
#Create default config
cnf = domainDumpConfig()
#Dns lookups?
if args.resolve:
cnf.lookuphostnames = True
#Custom dns server?
if args.dns_server is not None:
cnf.dnsserver = args.dns_server
#Minimal attributes?
if args.minimal:
cnf.minimal = True
#Custom separator?
if args.delimiter is not None:
cnf.grepsplitchar = args.delimiter
#Disable html?
if args.no_html:
cnf.outputhtml = False
#Disable json?
if args.no_json:
cnf.outputjson = False
#Disable grep?
if args.no_grep:
cnf.outputgrep = False
#Custom outdir?
if args.outdir is not None:
cnf.basepath = args.outdir
#Do we really need grouped json files?
cnf.groupedjson = args.grouped_json
#Prompt for password if not set
authentication = None
if args.user is not None:
if args.authtype == 'SIMPLE':
authentication = 'SIMPLE'
else:
authentication = NTLM
if not '\\' in args.user:
log_warn('Username must include a domain, use: DOMAIN\\username')
sys.exit(1)
if args.password is None:
args.password = getpass.getpass()
else:
log_info('Connecting as anonymous user, dumping will probably fail. Consider specifying a username/password to login with')
# define the server and the connection
s = Server(args.host, get_info=ALL)
log_info('Connecting to host...')
c = Connection(s, user=args.user, password=args.password, authentication=authentication)
log_info('Binding to host')
# perform the Bind operation
if not c.bind():
log_warn('Could not bind with specified credentials')
log_warn(c.result)
sys.exit(1)
log_success('Bind OK')
log_info('Starting domain dump')
#Create domaindumper object
dd = domainDumper(s, c, cnf)
#Do the actual dumping
dd.domainDump()
log_success('Domain dump finished')
if __name__ == '__main__':
main()