def dummySearch(self, ldapConnection):
# Let's do a search just to be sure it's working
searchFilter = ldapasn1.Filter()
searchFilter['present'] = ldapasn1.Present('servicePrincipalName')
resp = ldapConnection.search(searchFilter=searchFilter,
attributes=['servicePrincipalName', 'sAMAccountName', 'userPrincipalName',
'MemberOf', 'pwdLastSet', 'whenCreated'])
for item in resp:
print item.prettyPrint()
def get_netcomputer(self,
queried_computername='*',
queried_spn=str(),
queried_os=str(),
queried_sp=str(),
queried_domain=str(),
ads_path=str(),
printers=False,
unconstrained=False,
ping=False,
full_data=False,
custom_filter=str()):
computer_search_filter = ldapasn1.Filter()
computer_search_filter['and'] = ldapasn1.And()
computer_filter = LDAPRPCRequester._build_equality_match_filter(
'samAccountType', '805306369')
computer_search_filter['and'][0] = computer_filter
if unconstrained:
custom_filter += '(userAccountControl:1.2.840.113556.1.4.803:=524288)'
if printers:
custom_filter += '(objectCategory=printQueue)'
computer_search_filter = '(samAccountType=805306369){}'.format(
custom_filter)
for (attr_desc, attr_value) in (('servicePrincipalName', queried_spn),
('operatingSystem', queried_os),
('operatingsystemservicepack',
queried_sp), ('dnsHostName',
queried_computername)):
if attr_value:
computer_search_filter += '({}={})'.format(
attr_desc, attr_value)
if full_data:
attributes = list()
else:
attributes = ['dnsHostName']
computer_search_filter = '(&{})'.format(computer_search_filter)
return self._ldap_search(computer_search_filter,
adobj.Computer,
attributes=attributes)
def run(self):
if self.__doKerberos:
self.__target = self.getMachineName()
else:
if self.__kdcHost is not None:
self.__target = self.__kdcHost
else:
self.__target = self.__domain
# Connect to LDAP
ldapConnection = ldap.LDAPConnection('ldap://%s' % self.__target,
self.baseDN, self.__kdcHost)
if self.__doKerberos is not True:
ldapConnection.login(self.__username, self.__password,
self.__domain, self.__lmhash, self.__nthash)
else:
ldapConnection.kerberosLogin(self.__username,
self.__password,
self.__domain,
self.__lmhash,
self.__nthash,
self.__aesKey,
kdcHost=self.__kdcHost)
searchFilter = ldapasn1.Filter()
searchFilter['present'] = ldapasn1.Present('servicePrincipalName')
resp = ldapConnection.search(searchFilter=searchFilter,
attributes=[
'servicePrincipalName',
'sAMAccountName', 'pwdLastSet',
'MemberOf', 'userAccountControl'
])
answers = []
logging.debug('Total of records returned %d' % len(resp))
for item in resp:
if isinstance(item, ldapasn1.SearchResultEntry) is not True:
continue
mustCommit = False
sAMAccountName = ''
memberOf = ''
SPNs = []
pwdLastSet = ''
userAccountControl = 0
for attribute in item['attributes']:
if attribute['type'] == 'sAMAccountName':
if str(attribute['vals'][0]).endswith('$') is False:
# User Account
sAMAccountName = str(attribute['vals'][0])
mustCommit = True
elif attribute['type'] == 'userAccountControl':
userAccountControl = str(attribute['vals'][0])
elif attribute['type'] == 'memberOf':
memberOf = str(attribute['vals'][0])
elif attribute['type'] == 'pwdLastSet':
pwdLastSet = str(
datetime.fromtimestamp(
self.getUnixTime(int(str(attribute['vals'][0])))))
elif 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])
if len(answers) > 0:
self.printTable(answers,
header=[
"ServicePrincipalName", "Name", "MemberOf",
"PasswordLastSet"
])
print '\n\n'
if self.__requestTGS is True:
# Let's get unique user names an a SPN to request a TGS for
users = dict((vals[1], vals[0]) for vals in answers)
# Get a TGT for the current user
TGT = self.getTGT()
if self.__outputFileName is not None:
fd = open(self.__outputFileName, 'w+')
else:
fd = None
for user, SPN in users.iteritems():
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'])
self.outputTGS(tgs, oldSessionKey, sessionKey, user,
fd)
except Exception, e:
logging.error(str(e))
if fd is not None:
fd.close()
def run(self):
if self.__doKerberos:
self.__target = self.getMachineName()
else:
if self.__kdcHost is not None:
self.__target = self.__kdcHost
else:
self.__target = self.__domain
# Connect to LDAP
ldapConnection = ldap.LDAPConnection('ldap://%s' % self.__target,
self.baseDN, self.__kdcHost)
if self.__doKerberos is not True:
ldapConnection.login(self.__username, self.__password,
self.__domain, self.__lmhash, self.__nthash)
else:
ldapConnection.kerberosLogin(self.__username,
self.__password,
self.__domain,
self.__lmhash,
self.__nthash,
self.__aesKey,
kdcHost=self.__kdcHost)
# Building the following filter:
# (&(servicePrincipalName=*)(UserAccountControl:1.2.840.113556.1.4.803:=512)(!(UserAccountControl:1.2.840.113556.1.4.803:=2)))
# (servicePrincipalName=*)
and0 = ldapasn1.Filter()
and0['present'] = ldapasn1.Present('servicePrincipalName')
# (UserAccountControl:1.2.840.113556.1.4.803:=512)
and1 = ldapasn1.Filter()
and1['extensibleMatch'] = ldapasn1.MatchingRuleAssertion()
and1['extensibleMatch']['matchingRule'] = ldapasn1.MatchingRuleId(
'1.2.840.113556.1.4.803')
and1['extensibleMatch']['type'] = ldapasn1.TypeDescription(
'UserAccountControl')
and1['extensibleMatch']['matchValue'] = ldapasn1.matchValueAssertion(
UF_NORMAL_ACCOUNT)
and1['extensibleMatch']['dnAttributes'] = False
# !(UserAccountControl:1.2.840.113556.1.4.803:=2)
and2 = ldapasn1.Not()
and2['notFilter'] = ldapasn1.Filter()
and2['notFilter']['extensibleMatch'] = ldapasn1.MatchingRuleAssertion()
and2['notFilter']['extensibleMatch'][
'matchingRule'] = ldapasn1.MatchingRuleId('1.2.840.113556.1.4.803')
and2['notFilter']['extensibleMatch'][
'type'] = ldapasn1.TypeDescription('UserAccountControl')
and2['notFilter']['extensibleMatch'][
'matchValue'] = ldapasn1.matchValueAssertion(UF_ACCOUNTDISABLE)
and2['notFilter']['extensibleMatch']['dnAttributes'] = False
searchFilter = ldapasn1.Filter()
searchFilter['and'] = ldapasn1.And()
searchFilter['and'][0] = and0
searchFilter['and'][1] = and1
# searchFilter['and'][2] = and2
# Exception here, setting verifyConstraints to False so pyasn1 doesn't warn about incompatible tags
searchFilter['and'].setComponentByPosition(2,
and2,
verifyConstraints=False)
resp = ldapConnection.search(searchFilter=searchFilter,
attributes=[
'servicePrincipalName',
'sAMAccountName', 'pwdLastSet',
'MemberOf', 'userAccountControl',
'lastLogon'
],
sizeLimit=9999)
answers = []
logging.debug('Total of records returned %d' % len(resp))
for item in resp:
if isinstance(item, ldapasn1.SearchResultEntry) is not True:
continue
mustCommit = False
sAMAccountName = ''
memberOf = ''
SPNs = []
pwdLastSet = ''
userAccountControl = 0
for attribute in item['attributes']:
if attribute['type'] == 'sAMAccountName':
if str(attribute['vals'][0]).endswith('$') is False:
# User Account
sAMAccountName = str(attribute['vals'][0])
mustCommit = True
elif attribute['type'] == 'userAccountControl':
userAccountControl = str(attribute['vals'][0])
elif attribute['type'] == 'memberOf':
memberOf = str(attribute['vals'][0])
elif attribute['type'] == 'pwdLastSet':
pwdLastSet = str(
datetime.fromtimestamp(
self.getUnixTime(int(str(attribute['vals'][0])))))
elif attribute['type'] == 'lastLogon':
if str(attribute['vals'][0]) == '0':
lastLogon = '<never>'
else:
lastLogon = str(
datetime.fromtimestamp(
self.getUnixTime(int(str(
attribute['vals'][0])))))
elif 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
])
if len(answers) > 0:
self.printTable(answers,
header=[
"ServicePrincipalName", "Name", "MemberOf",
"PasswordLastSet", "LastLogon"
])
print '\n\n'
if self.__requestTGS is True:
# Let's get unique user names an a SPN to request a TGS for
users = dict((vals[1], vals[0]) for vals in answers)
# Get a TGT for the current user
TGT = self.getTGT()
if self.__outputFileName is not None:
fd = open(self.__outputFileName, 'w+')
else:
fd = None
for user, SPN in users.iteritems():
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'])
self.outputTGS(tgs, oldSessionKey, sessionKey, user,
fd)
except Exception, e:
logging.error(str(e))
if fd is not None:
fd.close()
else:
ldapConnection.kerberosLogin(self.__username,
self.__password,
self.__domain,
self.__lmhash,
self.__nthash,
self.__aesKey,
kdcHost=self.__kdcHost)
else:
raise
# Building the following filter:
# (&(servicePrincipalName=*)(UserAccountControl:1.2.840.113556.1.4.803:=512)(!(UserAccountControl:1.2.840.113556.1.4.803:=2)))
# (servicePrincipalName=*)
and0 = ldapasn1.Filter()
and0['present'] = ldapasn1.Present('servicePrincipalName')
# (UserAccountControl:1.2.840.113556.1.4.803:=512)
and1 = ldapasn1.Filter()
and1['extensibleMatch'] = ldapasn1.MatchingRuleAssertion()
and1['extensibleMatch']['matchingRule'] = ldapasn1.MatchingRuleId(
'1.2.840.113556.1.4.803')
and1['extensibleMatch']['type'] = ldapasn1.TypeDescription(
'UserAccountControl')
and1['extensibleMatch']['matchValue'] = ldapasn1.matchValueAssertion(
UF_NORMAL_ACCOUNT)
and1['extensibleMatch']['dnAttributes'] = False
# !(UserAccountControl:1.2.840.113556.1.4.803:=2)
and2 = ldapasn1.Not()