[xfreerdp] Open pandorabox...

Signed-off-by: XiaoliChan <[email protected]>

nxc/protocols/xfreerdp.py

@@ -0,0 +1,135 @@
+import os
+import re
+import sys
+import uuid
+import subprocess
+
+from datetime import datetime
+from termcolor import colored
+
+from nxc.connection import connection
+from nxc.logger import NXCAdapter
+from nxc.config import process_secret
+from nxc.config import host_info_colors
+
+success_flag = "Authentication only, exit status 0"
+
+status_dict = {
+    "(Account has been locked)": ["ERRCONNECT_ACCOUNT_LOCKED_OUT"],
+    "(Account has been disabled)": ["ERRCONNECT_ACCOUNT_DISABLED [0x00020012]"],
+    "(Account was expired)": ["0x0002000D", "0x00000009"], 
+    "(Not support NLA)": ["ERRCONNECT_SECURITY_NEGO_CONNECT_FAILED [0x0002000C]"],
+    "(Password expired)": ["0x0002000E", "0x0002000F", "0x00020013"],
+    "(RDP login failed)": ["0x00020009", "0x00020014"],
+    "Failed": ["Resource temporarily unavailable", "Broken pipe", "ERRCONNECT_CONNECT_FAILED [0x00020006]", "Connection timed out", "Connection reset by peer"]
+}
+
+class xfreerdp(connection):
+
+    def __init__(self, args, db, host):
+        self.output_filename = None
+        self.domain = None
+        self.nla = False
+
+        connection.__init__(self, args, db, host)
+
+    def proto_logger(self):
+        self.logger = NXCAdapter(
+            extra={
+                "protocol": "XFREERDP",
+                "host": self.host,
+                "port": self.port,
+                "hostname": self.hostname,
+            }
+        )
+
+    def print_host_info(self):
+        nla = colored(f"nla:{self.nla}", host_info_colors[3], attrs=["bold"]) if self.nla else colored(f"nla:{self.nla}", host_info_colors[2], attrs=["bold"])
+        if not self.nla:
+            self.logger.display(f"Old version OS which means not support NLA (name:{self.host}) {nla}")
+        else:
+            self.logger.display(f"(name:{self.hostname}) {nla}")
+        return True
+
+    def create_conn_obj(self):
+        if not os.getenv("DISPLAY"):
+            self.logger.fail("Run xfreerdp failed, please check the $DISPLAY environment variable. (for more details, please check https://github.com/FreeRDP/FreeRDP/issues/7129)")
+            sys.exit(1)
+        try:
+            connection = subprocess.Popen(f'xfreerdp /v:"{self.host}" /port:{self.port} +auth-only /d:"{uuid.uuid4()!s}" /u:"{uuid.uuid4()!s}" /p:"{uuid.uuid4()!s}" /cert:tofu /tls-seclevel:0 /timeout:{self.args.rdp_timeout * 1000}', stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
+            # For New/Old certificate, /cert-tofu can't handle it.
+            connection.stdin.write(b"Y\n")
+            connection.stdin.flush()
+            output_error = connection.stderr.read().decode("utf-8")
+            if any(single_word in output_error for single_word in status_dict["Failed"]):
+                return False
+            else:
+                CN_match = re.search(r"CN = (\S+)", output_error)
+                if CN_match:
+                    hostname = CN_match.group(1)
+                    self.nla = True
+                    self.hostname = hostname
+                    self.logger.extra["hostname"] = hostname
+                else:
+                    self.logger.extra["hostname"] = self.host
+
+                self.output_filename = os.path.expanduser(f"~/.cme/logs/{self.hostname}_{self.host}_{datetime.now().strftime('%Y-%m-%d_%H%M%S')}".replace(":", "-"))
+
+                if self.args.domain:
+                    self.domain = self.args.domain
+
+                if self.args.local_auth:
+                    self.domain = self.hostname
+
+                return True
+        except Exception as e:
+            self.logger.error(str(e))
+        return False
+
+    def plaintext_login(self, domain, username, password):
+        self.domain = domain
+        self.username = username
+        self.password = password
+        try:
+            connection = subprocess.Popen(f'xfreerdp /v:"{self.host}" /port:{self.port} +auth-only /d:"{self.domain}" /u:"{self.username}" /p:"{self.password}" /cert:ignore /tls-seclevel:0 /timeout:{self.args.rdp_timeout * 1000}', stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
+            output_error = connection.stderr.read().decode("utf-8")
+            if success_flag in output_error:
+                self.admin_privs = True
+                self.logger.success(f"{self.domain}\\{self.username}:{process_secret(self.password)} {self.mark_pwned()}")
+            else:
+                for k, v in status_dict.items():
+                    if any(single_word in output_error for single_word in v):
+                        self.logger.fail(f"{self.domain}\\{self.username}:{process_secret(self.password)} {k}")
+                        return False
+
+            if not self.args.continue_on_success:
+                return True
+
+        except Exception as e:
+            self.logger.error(str(e))
+
+    def hash_login(self, domain, username, ntlm_hash):
+        self.domain = domain
+        self.username = username
+        if ntlm_hash.find(":") != -1:
+            self.logger.info("RDP with PTH not support LM hash, will not use LM hash")
+            _, self.nthash = ntlm_hash.split(":")
+        else:
+            self.nthash = ntlm_hash
+        try:
+            connection = subprocess.Popen(f'xfreerdp /v:"{self.host}" /port:{self.port} +auth-only /d:"{self.domain}" /u:"{self.username}" /p:"" /pth:{self.nthash} /sec:nla /cert:ignore /tls-seclevel:0 /timeout:{self.args.rdp_timeout * 1000}', stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
+            output_error = connection.stderr.read().decode("utf-8")
+            if success_flag in output_error:
+                self.admin_privs = True
+                self.logger.success(f"{self.domain}\\{self.username}:{process_secret(self.nthash)} {self.mark_pwned()}")
+            else:
+                for k, v in status_dict.items():
+                    if any(single_word in output_error for single_word in v):
+                        self.logger.fail(f"{self.domain}\\{self.username}:{process_secret(self.nthash)} {k}")
+                        return False
+
+            if not self.args.continue_on_success:
+                return True
+
+        except Exception as e:
+            self.logger.error(str(e))

nxc/protocols/xfreerdp/database.py

@@ -0,0 +1,19 @@
+class database:
+
+    def __init__(self, conn):
+        self.conn = conn
+
+    @staticmethod
+    def db_schema(db_conn):
+        db_conn.execute("""CREATE TABLE "credentials" (
+            "id" integer PRIMARY KEY,
+            "username" text,
+            "password" text
+            )""")
+
+        db_conn.execute("""CREATE TABLE "hosts" (
+            "id" integer PRIMARY KEY,
+            "ip" text,
+            "hostname" text,
+            "port" integer
+            )""")

nxc/protocols/xfreerdp/db_navigator.py

@@ -0,0 +1,5 @@
+from nxc.nxcdb import DatabaseNavigator
+
+
+class navigator(DatabaseNavigator):
+    pass

nxc/protocols/xfreerdp/proto_args.py

@@ -0,0 +1,10 @@
+def proto_args(parser, std_parser, module_parser):
+    xfreerdp_parser = parser.add_parser("xfreerdp", help="own stuff using RDP (xfreerdp)", parents=[std_parser, module_parser])
+    xfreerdp_parser.add_argument("-H", "--hash", metavar="HASH", dest="hash", nargs="+", default=[], help="NTLM hash(es) or file(s) containing NTLM hashes")
+    xfreerdp_parser.add_argument("--port", type=int, default=3389, help="Custom RDP port")
+    xfreerdp_parser.add_argument("--rdp-timeout", type=int, default=5, help="RDP timeout on socket connection, defalut is %(default)ss")
+
+    dgroup = xfreerdp_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")
+    return parser