NetExec/cme/protocols/rdp.py

581 lines
21 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import asyncio
import os
from datetime import datetime
from os import getenv
from impacket.krb5.ccache import CCache
from cme.connection import *
from cme.helpers.bloodhound import add_user_bh
from cme.helpers.logger import highlight
from cme.logger import CMEAdapter
from aardwolf.connection import RDPConnection
from aardwolf.commons.queuedata.constants import VIDEO_FORMAT
from aardwolf.commons.iosettings import RDPIOSettings
from aardwolf.commons.target import RDPTarget
from aardwolf.protocol.x224.constants import SUPP_PROTOCOLS
from asyauth.common.credentials.ntlm import NTLMCredential
from asyauth.common.credentials.kerberos import KerberosCredential
from asyauth.common.constants import asyauthSecret
from asysocks.unicomm.common.target import UniTarget, UniProto
rdp_error_status = {
"0xc0000071": "STATUS_PASSWORD_EXPIRED",
"0xc0000234": "STATUS_ACCOUNT_LOCKED_OUT",
"0xc0000072": "STATUS_ACCOUNT_DISABLED",
"0xc0000193": "STATUS_ACCOUNT_EXPIRED",
"0xc000006E": "STATUS_ACCOUNT_RESTRICTION",
"0xc000006F": "STATUS_INVALID_LOGON_HOURS",
"0xc0000070": "STATUS_INVALID_WORKSTATION",
"0xc000015B": "STATUS_LOGON_TYPE_NOT_GRANTED",
"0xc0000224": "STATUS_PASSWORD_MUST_CHANGE",
"0xc0000022": "STATUS_ACCESS_DENIED",
"0xc000006d": "STATUS_LOGON_FAILURE",
"0xc000006a": "STATUS_WRONG_PASSWORD ",
"KDC_ERR_CLIENT_REVOKED": "KDC_ERR_CLIENT_REVOKED",
"KDC_ERR_PREAUTH_FAILED": "KDC_ERR_PREAUTH_FAILED",
}
class rdp(connection):
def __init__(self, args, db, host):
self.domain = None
self.server_os = None
self.iosettings = RDPIOSettings()
self.iosettings.channels = []
self.iosettings.video_out_format = VIDEO_FORMAT.RAW
self.iosettings.clipboard_use_pyperclip = False
self.protoflags_nla = [
SUPP_PROTOCOLS.SSL | SUPP_PROTOCOLS.RDP,
SUPP_PROTOCOLS.SSL,
SUPP_PROTOCOLS.RDP,
]
self.protoflags = [
SUPP_PROTOCOLS.SSL | SUPP_PROTOCOLS.RDP,
SUPP_PROTOCOLS.SSL,
SUPP_PROTOCOLS.RDP,
SUPP_PROTOCOLS.SSL | SUPP_PROTOCOLS.HYBRID,
SUPP_PROTOCOLS.SSL | SUPP_PROTOCOLS.HYBRID_EX,
]
width, height = args.res.upper().split("X")
height = int(height)
width = int(width)
self.iosettings.video_width = width
self.iosettings.video_height = height
# servers dont support 8 any more :/
self.iosettings.video_bpp_min = 15
self.iosettings.video_bpp_max = 32
# PIL produces incorrect picture for some reason?! TODO: check bug
self.iosettings.video_out_format = VIDEO_FORMAT.PNG #
self.output_filename = None
self.domain = None
self.server_os = None
self.url = None
self.nla = True
self.hybrid = False
self.target = None
self.auth = None
connection.__init__(self, args, db, host)
@staticmethod
def proto_args(parser, std_parser, module_parser):
rdp_parser = parser.add_parser(
"rdp", help="own stuff using RDP", parents=[std_parser, module_parser]
)
rdp_parser.add_argument(
"-H",
"--hash",
metavar="HASH",
dest="hash",
nargs="+",
default=[],
help="NTLM hash(es) or file(s) containing NTLM hashes",
)
rdp_parser.add_argument(
"--no-bruteforce",
action="store_true",
help="No spray when using file for username and password (user1 => password1, user2 => password2",
)
rdp_parser.add_argument(
"--continue-on-success",
action="store_true",
help="continues authentication attempts even after successes",
)
rdp_parser.add_argument(
"--port", type=int, default=3389, help="Custom RDP port"
)
rdp_parser.add_argument(
"--rdp-timeout",
type=int,
default=1,
help="RDP timeout on socket connection",
)
rdp_parser.add_argument(
"--nla-screenshot",
action="store_true",
help="Screenshot RDP login prompt if NLA is disabled",
)
dgroup = rdp_parser.add_mutually_exclusive_group()
dgroup.add_argument(
"-d",
metavar="DOMAIN",
dest="domain",
type=str,
default=None,
help="domain to authenticate to",
)
dgroup.add_argument(
"--local-auth",
action="store_true",
help="authenticate locally to each target",
)
egroup = rdp_parser.add_argument_group(
"Screenshot", "Remote Desktop Screenshot"
)
egroup.add_argument(
"--screenshot",
action="store_true",
help="Screenshot RDP if connection success",
)
egroup.add_argument(
"--screentime", type=int, default=10, help="Time to wait for desktop image"
)
egroup.add_argument(
"--res",
default="1024x768",
help='Resolution in "WIDTHxHEIGHT" format. Default: "1024x768"',
)
return parser
# def proto_flow(self):
# if self.create_conn_obj():
# self.proto_logger()
# self.print_host_info()
# if self.login() or (self.username == '' and self.password == ''):
# if hasattr(self.args, 'module') and self.args.module:
# self.call_modules()
# else:
# self.call_cmd_args()
def proto_logger(self):
self.logger = CMEAdapter(
extra={
"protocol": "RDP",
"host": self.host,
"port": self.args.port,
"hostname": self.hostname,
}
)
def print_host_info(self):
if self.domain is None:
self.logger.display(
f"Probably old, doesn't not support HYBRID or HYBRID_EX (nla:{self.nla})"
)
else:
self.logger.display(
f"{self.server_os} (name:{self.hostname}) (domain:{self.domain}) (nla:{self.nla})"
)
return True
def create_conn_obj(self):
self.target = RDPTarget(
ip=self.host, domain="FAKE", timeout=self.args.rdp_timeout
)
self.auth = NTLMCredential(
secret="pass", username="user", domain="FAKE", stype=asyauthSecret.PASS
)
self.check_nla()
for proto in reversed(self.protoflags):
try:
self.iosettings.supported_protocols = proto
self.conn = RDPConnection(
iosettings=self.iosettings,
target=self.target,
credentials=self.auth,
)
asyncio.run(self.connect_rdp())
except OSError as e:
if "Errno 104" not in str(e):
return False
except Exception as e:
if "TCPSocket" in str(e):
return False
if "Reason:" not in str(e):
info_domain = self.conn.get_extra_info()
self.domain = info_domain["dnsdomainname"]
self.hostname = info_domain["computername"]
self.server_os = (
info_domain["os_guess"]
+ " Build "
+ str(info_domain["os_build"])
)
self.output_filename = os.path.expanduser(
f"~/.cme/logs/{self.hostname}_{self.host}_{datetime.now().strftime('%Y-%m-%d_%H%M%S')}"
)
self.output_filename = self.output_filename.replace(":", "-")
break
if self.args.domain:
self.domain = self.args.domain
if self.args.local_auth:
self.domain = self.hostname
self.target = RDPTarget(
ip=self.host,
hostname=self.hostname,
domain=self.domain,
dc_ip=self.domain,
timeout=self.args.rdp_timeout,
)
return True
def check_nla(self):
for proto in self.protoflags_nla:
try:
self.iosettings.supported_protocols = proto
self.conn = RDPConnection(
iosettings=self.iosettings,
target=self.target,
credentials=self.auth,
)
asyncio.run(self.connect_rdp())
if (
str(proto) == "SUPP_PROTOCOLS.RDP"
or str(proto) == "SUPP_PROTOCOLS.SSL"
or str(proto) == "SUPP_PROTOCOLS.SSL|SUPP_PROTOCOLS.RDP"
):
self.nla = False
return
except Exception as e:
pass
async def connect_rdp(self):
_, err = await self.conn.connect()
if err is not None:
raise err
def kerberos_login(
self,
domain,
username,
password="",
ntlm_hash="",
aesKey="",
kdcHost="",
useCache=False,
):
try:
lmhash = ""
nthash = ""
# This checks to see if we didn't provide the LM Hash
if ntlm_hash.find(":") != -1:
lmhash, nthash = ntlm_hash.split(":")
self.hash = nthash
else:
nthash = ntlm_hash
self.hash = ntlm_hash
if lmhash:
self.lmhash = lmhash
if nthash:
self.nthash = nthash
if not all("" == s for s in [nthash, password, aesKey]):
kerb_pass = next(s for s in [nthash, password, aesKey] if s)
else:
kerb_pass = ""
fqdn_host = self.hostname + "." + self.domain
password = password if password else nthash
if useCache:
stype = asyauthSecret.CCACHE
if not password:
password = getenv("KRB5CCNAME") if not password else password
if "/" in password:
self.logger.fail(
"Kerberos ticket need to be on the local directory"
)
return False
ccache = CCache.loadFile(getenv("KRB5CCNAME"))
ticketCreds = ccache.credentials[0]
username = (
ticketCreds["client"].prettyPrint().decode().split("@")[0]
)
else:
stype = asyauthSecret.PASS if not nthash else asyauthSecret.NT
kerberos_target = UniTarget(
self.domain,
88,
UniProto.CLIENT_TCP,
proxies=None,
dns=None,
dc_ip=self.domain,
)
self.auth = KerberosCredential(
target=kerberos_target,
secret=password,
username=username,
domain=domain,
stype=stype,
)
self.conn = RDPConnection(
iosettings=self.iosettings, target=self.target, credentials=self.auth
)
asyncio.run(self.connect_rdp())
self.admin_privs = True
self.logger.success(
"{}\\{}{} {}".format(
domain,
username,
# Show what was used between cleartext, nthash, aesKey and ccache
" from ccache"
if useCache
else ":%s"
% (
kerb_pass
if not self.config.get("CME", "audit_mode")
else self.config.get("CME", "audit_mode") * 8
),
highlight(
f'({self.config.get("CME", "pwn3d_label")})'
if self.admin_privs
else ""
),
)
)
if not self.args.local_auth:
add_user_bh(username, domain, self.logger, self.config)
if not self.args.continue_on_success:
return True
except Exception as e:
if "KDC_ERR" in str(e):
reason = None
for word in rdp_error_status.keys():
if word in str(e):
reason = rdp_error_status[word]
self.logger.fail(
f"{domain}\\{username}{' from ccache' if useCache else ':%s' % (kerb_pass if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode') * 8)} {f'({reason})' if reason else str(e)}",
color="magenta"
if (
(reason or "CredSSP" in str(e))
and reason != "KDC_ERR_C_PRINCIPAL_UNKNOWN"
)
else "red",
)
elif "Authentication failed!" in str(e):
self.logger.success(
"{}\\{}:{} {}".format(
domain,
username,
password,
highlight(
f'({self.config.get("CME", "pwn3d_label")})'
if self.admin_privs
else ""
),
)
)
elif "No such file" in str(e):
self.logger.fail(e)
else:
reason = None
for word in rdp_error_status.keys():
if word in str(e):
reason = rdp_error_status[word]
if "cannot unpack non-iterable NoneType object" == str(e):
reason = "User valid but cannot connect"
self.logger.fail(
f"{domain}\\{username}{' from ccache' if useCache else ':%s' % (kerb_pass if not self.config.get('CME', 'audit_mode') else self.config.get('CME', 'audit_mode') * 8)} {f'({reason})' if reason else ''}",
color="magenta"
if (
(reason or "CredSSP" in str(e))
and reason != "STATUS_LOGON_FAILURE"
)
else "red",
)
return False
def plaintext_login(self, domain, username, password):
try:
self.auth = NTLMCredential(
secret=password,
username=username,
domain=domain,
stype=asyauthSecret.PASS,
)
self.conn = RDPConnection(
iosettings=self.iosettings, target=self.target, credentials=self.auth
)
asyncio.run(self.connect_rdp())
self.admin_privs = True
self.logger.success(
"{}\\{}:{} {}".format(
domain,
username,
password,
highlight(
f'({self.config.get("CME", "pwn3d_label")})'
if self.admin_privs
else ""
),
)
)
if not self.args.local_auth:
add_user_bh(username, domain, self.logger, self.config)
if not self.args.continue_on_success:
return True
except Exception as e:
if "Authentication failed!" in str(e):
self.logger.success(
"{}\\{}:{} {}".format(
domain,
username,
password,
highlight(
f'({self.config.get("CME", "pwn3d_label")})'
if self.admin_privs
else ""
),
)
)
else:
reason = None
for word in rdp_error_status.keys():
if word in str(e):
reason = rdp_error_status[word]
if "cannot unpack non-iterable NoneType object" == str(e):
reason = "User valid but cannot connect"
self.logger.fail(
f"{domain}\\{username}:{password} {f'({reason})' if reason else ''}",
color="magenta"
if (
(reason or "CredSSP" in str(e))
and reason != "STATUS_LOGON_FAILURE"
)
else "red",
)
return False
def hash_login(self, domain, username, ntlm_hash):
try:
self.auth = NTLMCredential(
secret=ntlm_hash,
username=username,
domain=domain,
stype=asyauthSecret.NT,
)
self.conn = RDPConnection(
iosettings=self.iosettings, target=self.target, credentials=self.auth
)
asyncio.run(self.connect_rdp())
self.admin_privs = True
self.logger.success(
"{}\\{}:{} {}".format(
self.domain,
username,
ntlm_hash,
highlight(
f'({self.config.get("CME", "pwn3d_label")})'
if self.admin_privs
else ""
),
)
)
if not self.args.local_auth:
add_user_bh(username, domain, self.logger, self.config)
if not self.args.continue_on_success:
return True
except Exception as e:
if "Authentication failed!" in str(e):
self.logger.success(
"{}\\{}:{} {}".format(
domain,
username,
ntlm_hash,
highlight(
f'({self.config.get("CME", "pwn3d_label")})'
if self.admin_privs
else ""
),
)
)
else:
reason = None
for word in rdp_error_status.keys():
if word in str(e):
reason = rdp_error_status[word]
if "cannot unpack non-iterable NoneType object" == str(e):
reason = "User valid but cannot connect"
self.logger.fail(
f"{domain}\\{username}:{ntlm_hash} {f'({reason})' if reason else ''}",
color="magenta"
if (
(reason or "CredSSP" in str(e))
and reason != "STATUS_LOGON_FAILURE"
)
else "red",
)
return False
async def screen(self):
try:
self.conn = RDPConnection(
iosettings=self.iosettings, target=self.target, credentials=self.auth
)
await self.connect_rdp()
except Exception as e:
return
await asyncio.sleep(int(5))
if self.conn is not None and self.conn.desktop_buffer_has_data is True:
buffer = self.conn.get_desktop_buffer(VIDEO_FORMAT.PIL)
filename = os.path.expanduser(
f"~/.cme/screenshots/{self.hostname}_{self.host}_{datetime.now().strftime('%Y-%m-%d_%H%M%S')}.png"
)
buffer.save(filename, "png")
self.logger.highlight(f"Screenshot saved {filename}")
def screenshot(self):
asyncio.run(self.screen())
async def nla_screen(self):
# Otherwise it crash
self.iosettings.supported_protocols = None
self.auth = NTLMCredential(
secret="", username="", domain="", stype=asyauthSecret.PASS
)
self.conn = RDPConnection(
iosettings=self.iosettings, target=self.target, credentials=self.auth
)
await self.connect_rdp_old(self.url)
await asyncio.sleep(int(self.args.screentime))
if self.conn is not None and self.conn.desktop_buffer_has_data is True:
buffer = self.conn.get_desktop_buffer(VIDEO_FORMAT.PIL)
filename = os.path.expanduser(
f"~/.cme/screenshots/{self.hostname}_{self.host}_{datetime.now().strftime('%Y-%m-%d_%H%M%S')}.png"
)
buffer.save(filename, "png")
self.logger.highlight(f"NLA Screenshot saved {filename}")
def nla_screenshot(self):
if not self.nla:
asyncio.run(self.nla_screen())