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Added option to target multiple computers in rdp_check.py #1807

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Added option to target multiple computers in rdp_check.py #1807

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32 changes: 24 additions & 8 deletions examples/rdp_check.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@
from struct import pack, unpack

from impacket.examples import logger
from impacket.examples.utils import parse_target
from impacket.examples.utils import parse_target, parse_credentials
from impacket.structure import Structure
from impacket.spnego import GSSAPI, ASN1_SEQUENCE, ASN1_OCTET_STRING, asn1decode, asn1encode

Expand Down Expand Up @@ -384,7 +384,13 @@ def check_rdp(host, username, password, domain, hashes = None):
tpkt['TPDU'] = tpdu.getData()

s = socket.socket()
s.connect((host,3389))

try:
s.connect((host,3389))
except Exception as err:
logging.error(f"{host}: {err}")
return

s.sendall(tpkt.getData())
pkt = s.recv(8192)
tpkt.fromString(pkt)
Expand All @@ -393,7 +399,7 @@ def check_rdp(host, username, password, domain, hashes = None):
if cr_tpdu['Type'] == TYPE_RDP_NEG_FAILURE:
rdp_failure = RDP_NEG_FAILURE(tpdu['VariablePart'])
rdp_failure.dump()
logging.error("Server doesn't support PROTOCOL_HYBRID, hence we can't use CredSSP to check credentials")
logging.error(f"{host}: Server doesn't support PROTOCOL_HYBRID, hence we can't use CredSSP to check credentials")
return
else:
rdp_neg.fromString(tpdu['VariablePart'])
Expand Down Expand Up @@ -492,9 +498,9 @@ def check_rdp(host, username, password, domain, hashes = None):
buff = tls.recv(1024)
except Exception as err:
if str(err).find("denied") > 0:
logging.error("Access Denied")
logging.error(f"{host}: Access Denied")
else:
logging.error(err)
logging.error(f"{host}: {err}")
return

# 4. After the server receives the public key in step 3, it first verifies that
Expand Down Expand Up @@ -544,7 +550,7 @@ def check_rdp(host, username, password, domain, hashes = None):
ts_request['authInfo'] = signature.getData() + cripted_creds
tls.send(ts_request.getData())
tls.close()
logging.info("Access Granted")
logging.info(f"{host}: Access Granted")

# Init the example's logger theme
logger.init()
Expand All @@ -554,6 +560,7 @@ def check_rdp(host, username, password, domain, hashes = None):
"host using the RDP protocol.")

parser.add_argument('target', action='store', help='[[domain/]username[:password]@]<targetName or address>')
parser.add_argument('-t', '--targets', type=argparse.FileType("r"), help='File with targets separated by newlines')

group = parser.add_argument_group('authentication')

Expand All @@ -564,7 +571,10 @@ def check_rdp(host, username, password, domain, hashes = None):

options = parser.parse_args()

domain, username, password, address = parse_target(options.target)
if not options.targets:
domain, username, password, address = parse_target(options.target)
else:
domain, username, password = parse_credentials(options.target)

if domain is None:
domain = ''
Expand All @@ -573,4 +583,10 @@ def check_rdp(host, username, password, domain, hashes = None):
from getpass import getpass
password = getpass("Password:")

check_rdp(address, username, password, domain, options.hashes)
if not options.targets:
check_rdp(address, username, password, domain, options.hashes)
else:
targets = options.targets.read().splitlines()

for t in targets:
check_rdp(t, username, password, domain, options.hashes)