NetExec/cme/crackmapexec.py

277 lines
11 KiB
Python
Executable File

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from cme.helpers.logger import highlight
from cme.helpers.misc import identify_target_file
from cme.parsers.ip import parse_targets
from cme.parsers.nmap import parse_nmap_xml
from cme.parsers.nessus import parse_nessus_file
from cme.cli import gen_cli_args
from cme.loaders.protocolloader import ProtocolLoader
from cme.loaders.moduleloader import ModuleLoader
from cme.servers.http import CMEServer
from cme.first_run import first_run_setup
from cme.context import Context
from cme.paths import CME_PATH, DATA_PATH
from cme.console import cme_console
from cme.logger import cme_logger
from cme.config import cme_config, cme_workspace, config_log, ignore_opsec
from concurrent.futures import ThreadPoolExecutor, as_completed
import asyncio
import cme.helpers.powershell as powershell
import shutil
import webbrowser
import random
import os
from os.path import exists
from os.path import join as path_join
from sys import exit
import logging
import sqlalchemy
from rich.progress import Progress
from sys import platform
# Increase file_limit to prevent error "Too many open files"
if platform != "win32":
import resource
file_limit = list(resource.getrlimit(resource.RLIMIT_NOFILE))
if file_limit[1] > 10000:
file_limit[0] = 10000
else:
file_limit[0] = file_limit[1]
file_limit = tuple(file_limit)
resource.setrlimit(resource.RLIMIT_NOFILE, file_limit)
try:
import librlers
except:
print("Incompatible python version, try with another python version or another binary 3.8 / 3.9 / 3.10 / 3.11 that match your python version (python -V)")
exit(1)
def create_db_engine(db_path):
db_engine = sqlalchemy.create_engine(f"sqlite:///{db_path}", isolation_level="AUTOCOMMIT", future=True)
return db_engine
async def start_run(protocol_obj, args, db, targets):
cme_logger.debug(f"Creating ThreadPoolExecutor")
if args.no_progress or len(targets) == 1:
with ThreadPoolExecutor(max_workers=args.threads + 1) as executor:
cme_logger.debug(f"Creating thread for {protocol_obj}")
_ = [executor.submit(protocol_obj, args, db, target) for target in targets]
else:
with Progress(console=cme_console) as progress:
with ThreadPoolExecutor(max_workers=args.threads + 1) as executor:
current = 0
total = len(targets)
tasks = progress.add_task(
f"[green]Running CME against {total} {'target' if total == 1 else 'targets'}",
total=total,
)
cme_logger.debug(f"Creating thread for {protocol_obj}")
futures = [executor.submit(protocol_obj, args, db, target) for target in targets]
for _ in as_completed(futures):
current += 1
progress.update(tasks, completed=current)
def main():
first_run_setup(cme_logger)
root_logger = logging.getLogger("root")
args = gen_cli_args()
if args.verbose:
cme_logger.logger.setLevel(logging.INFO)
root_logger.setLevel(logging.INFO)
elif args.debug:
cme_logger.logger.setLevel(logging.DEBUG)
root_logger.setLevel(logging.DEBUG)
else:
cme_logger.logger.setLevel(logging.ERROR)
root_logger.setLevel(logging.ERROR)
# if these are the same, it might double log to file (two FileHandlers will be added)
# but this should never happen by accident
if config_log:
cme_logger.add_file_log()
if hasattr(args, "log") and args.log:
cme_logger.add_file_log(args.log)
cme_logger.debug(f"Passed args: {args}")
# FROM HERE ON A PROTOCOL IS REQUIRED
if not args.protocol:
exit(1)
if args.protocol == "ssh":
if args.key_file:
if not args.password:
cme_logger.fail(f"Password is required, even if a key file is used - if no passphrase for key, use `-p ''`")
exit(1)
if args.use_kcache and not os.environ.get("KRB5CCNAME"):
cme_logger.error("KRB5CCNAME environment variable is not set")
exit(1)
module_server = None
targets = []
server_port_dict = {"http": 80, "https": 443, "smb": 445}
if hasattr(args, "cred_id") and args.cred_id:
for cred_id in args.cred_id:
if "-" in str(cred_id):
start_id, end_id = cred_id.split("-")
try:
for n in range(int(start_id), int(end_id) + 1):
args.cred_id.append(n)
args.cred_id.remove(cred_id)
except Exception as e:
cme_logger.error(f"Error parsing database credential id: {e}")
exit(1)
if hasattr(args, "target") and args.target:
for target in args.target:
if exists(target) and os.path.isfile(target):
target_file_type = identify_target_file(target)
if target_file_type == "nmap":
targets.extend(parse_nmap_xml(target, args.protocol))
elif target_file_type == "nessus":
targets.extend(parse_nessus_file(target, args.protocol))
else:
with open(target, "r") as target_file:
for target_entry in target_file:
targets.extend(parse_targets(target_entry.strip()))
else:
targets.extend(parse_targets(target))
# The following is a quick hack for the powershell obfuscation functionality, I know this is yucky
if hasattr(args, "clear_obfscripts") and args.clear_obfscripts:
shutil.rmtree(os.path.expanduser("~/.cme/obfuscated_scripts/"))
os.mkdir(os.path.expanduser("~/.cme/obfuscated_scripts/"))
cme_logger.success("Cleared cached obfuscated PowerShell scripts")
if hasattr(args, "obfs") and args.obfs:
powershell.obfuscate_ps_scripts = True
cme_logger.debug(f"Protocol: {args.protocol}")
p_loader = ProtocolLoader()
protocol_path = p_loader.get_protocols()[args.protocol]["path"]
cme_logger.debug(f"Protocol Path: {protocol_path}")
protocol_db_path = p_loader.get_protocols()[args.protocol]["dbpath"]
cme_logger.debug(f"Protocol DB Path: {protocol_db_path}")
protocol_object = getattr(p_loader.load_protocol(protocol_path), args.protocol)
cme_logger.debug(f"Protocol Object: {protocol_object}")
protocol_db_object = getattr(p_loader.load_protocol(protocol_db_path), "database")
cme_logger.debug(f"Protocol DB Object: {protocol_db_object}")
db_path = path_join(CME_PATH, "workspaces", cme_workspace, f"{args.protocol}.db")
cme_logger.debug(f"DB Path: {db_path}")
db_engine = create_db_engine(db_path)
db = protocol_db_object(db_engine)
# with the new cme/config.py this can be eventually removed, as it can be imported anywhere
setattr(protocol_object, "config", cme_config)
if args.module or args.list_modules:
loader = ModuleLoader(args, db, cme_logger)
modules = loader.list_modules()
if args.list_modules:
for name, props in sorted(modules.items()):
if args.protocol in props["supported_protocols"]:
cme_logger.display(f"{name:<25} {props['description']}")
exit(0)
elif args.module and args.show_module_options:
for module in args.module:
cme_logger.display(f"{module} module options:\n{modules[module]['options']}")
exit(0)
elif args.module:
cme_logger.debug(f"Modules to be Loaded: {args.module}, {type(args.module)}")
for m in map(str.lower, args.module):
if m not in modules:
cme_logger.error(f"Module not found: {m}")
exit(1)
cme_logger.debug(f"Loading module {m} at path {modules[m]['path']}")
module = loader.init_module(modules[m]["path"])
if not module.opsec_safe:
if ignore_opsec:
cme_logger.debug(f"ignore_opsec is set in the configuration, skipping prompt")
cme_logger.display(f"Ignore OPSEC in configuration is set and OPSEC unsafe module loaded")
else:
ans = input(
highlight(
"[!] Module is not opsec safe, are you sure you want to run this? [Y/n] For global configuration, change ignore_opsec value to True on ~/cme/cme.conf",
"red",
)
)
if ans.lower() not in ["y", "yes", ""]:
exit(1)
if not module.multiple_hosts and len(targets) > 1:
ans = input(
highlight(
"[!] Running this module on multiple hosts doesn't really make any sense, are you sure you want to continue? [Y/n] ",
"red",
)
)
if ans.lower() not in ["y", "yes", ""]:
exit(1)
if hasattr(module, "on_request") or hasattr(module, "has_response"):
if hasattr(module, "required_server"):
args.server = module.required_server
if not args.server_port:
args.server_port = server_port_dict[args.server]
# loading a module server multiple times will obviously fail
try:
context = Context(db, cme_logger, args)
module_server = CMEServer(
module,
context,
cme_logger,
args.server_host,
args.server_port,
args.server,
)
module_server.start()
protocol_object.server = module_server.server
except Exception as e:
cme_logger.error(f"Error loading module server for {module}: {e}")
cme_logger.debug(f"proto_object: {protocol_object}, type: {type(protocol_object)}")
cme_logger.debug(f"proto object dir: {dir(protocol_object)}")
# get currently set modules, otherwise default to empty list
current_modules = getattr(protocol_object, "module", [])
current_modules.append(module)
setattr(protocol_object, "module", current_modules)
cme_logger.debug(f"proto object module after adding: {protocol_object.module}")
if hasattr(args, "ntds") and args.ntds and not args.userntds:
ans = input(
highlight(
"[!] Dumping the ntds can crash the DC on Windows Server 2019. Use the option --user <user> to dump a specific user safely or the module -M ntdsutil [Y/n] ",
"red",
)
)
if ans.lower() not in ["y", "yes", ""]:
exit(1)
try:
asyncio.run(start_run(protocol_object, args, db, targets))
except KeyboardInterrupt:
cme_logger.debug("Got keyboard interrupt")
finally:
if module_server:
module_server.shutdown()
db_engine.dispose()
if __name__ == "__main__":
main()