Delete nxc/modules/pso.py

Signed-off-by: sandw1ch <se.brink15@gmail.com>
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from impacket.ldap import ldapasn1 as ldapasn1_impacket
from impacket.ldap import ldap as ldap_impacket
from math import fabs
import re
class NXCModule:
'''
Created by fplazar and wanetty
Module by @gm_eduard and @ferranplaza
Based on: https://github.com/juliourena/CrackMapExec/blob/master/cme/modules/get_description.py
'''
name = 'pso'
description = "Query to get PSO from LDAP"
supported_protocols = ['ldap']
opsec_safe = True
multiple_hosts = True
pso_fields = [
"cn",
"msDS-PasswordReversibleEncryptionEnabled",
"msDS-PasswordSettingsPrecedence",
"msDS-MinimumPasswordLength",
"msDS-PasswordHistoryLength",
"msDS-PasswordComplexityEnabled",
"msDS-LockoutObservationWindow",
"msDS-LockoutDuration",
"msDS-LockoutThreshold",
"msDS-MinimumPasswordAge",
"msDS-MaximumPasswordAge",
"msDS-PSOAppliesTo",
]
def options(self, context, module_options):
'''
No options available.
'''
pass
def convert_time_field(self, field, value):
time_fields = {
"msDS-LockoutObservationWindow": (60, "mins"),
"msDS-MinimumPasswordAge": (86400, "days"),
"msDS-MaximumPasswordAge": (86400, "days"),
"msDS-LockoutDuration": (60, "mins")
}
if field in time_fields.keys():
value = f"{int((fabs(float(value)) / (10000000 * time_fields[field][0])))} {time_fields[field][1]}"
return value
def on_login(self, context, connection):
'''Concurrent. Required if on_admin_login is not present. This gets called on each authenticated connection'''
# Building the search filter
searchFilter = "(objectClass=msDS-PasswordSettings)"
try:
context.log.debug('Search Filter=%s' % searchFilter)
resp = connection.ldapConnection.search(searchFilter=searchFilter,
attributes=self.pso_fields,
sizeLimit=0)
except ldap_impacket.LDAPSearchError as e:
if e.getErrorString().find('sizeLimitExceeded') >= 0:
context.log.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:
logging.debug(e)
return False
pso_list = []
context.log.debug('Total of records returned %d' % len(resp))
for item in resp:
if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
continue
pso_info = {}
try:
for attribute in item['attributes']:
attr_name = str(attribute['type'])
if attr_name in self.pso_fields:
pso_info[attr_name] = attribute['vals'][0]._value.decode('utf-8')
pso_list.append(pso_info)
except Exception as e:
context.log.debug("Exception:", exc_info=True)
context.log.debug('Skipping item, cannot process due to error %s' % str(e))
pass
if len(pso_list) > 0:
context.log.success('Password Settings Objects (PSO) found:')
for pso in pso_list:
for field in self.pso_fields:
if field in pso:
value = self.convert_time_field(field, pso[field])
context.log.highlight(u'{}: {}'.format(field, value))
context.log.highlight('-----')
else:
context.log.info('No Password Settings Objects (PSO) found.')