anti
3e98c71ca4
Core CLI, service plugins (SSH/SMB/FTP/HTTP/RDP), Docker Compose orchestration, MACVLAN networking, and Logstash log forwarding. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
83 lines
2.4 KiB
Python
83 lines
2.4 KiB
Python
#!/usr/bin/env python3
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"""
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FTP honeypot using Twisted's FTP server infrastructure.
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Accepts any credentials, logs all commands and file requests,
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forwards events as JSON to LOG_TARGET if set.
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"""
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import json
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import os
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import socket
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import sys
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from datetime import datetime, timezone
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from twisted.internet import defer, protocol, reactor
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from twisted.protocols.ftp import FTP, FTPFactory
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from twisted.python import log as twisted_log
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HONEYPOT_NAME = os.environ.get("HONEYPOT_NAME", "ftpserver")
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LOG_TARGET = os.environ.get("LOG_TARGET", "")
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def _forward(event: dict) -> None:
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if not LOG_TARGET:
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return
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try:
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host, port = LOG_TARGET.rsplit(":", 1)
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with socket.create_connection((host, int(port)), timeout=3) as s:
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s.sendall((json.dumps(event) + "\n").encode())
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except Exception:
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pass
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def _log(event_type: str, **kwargs) -> None:
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event = {
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"ts": datetime.now(timezone.utc).isoformat(),
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"service": "ftp",
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"host": HONEYPOT_NAME,
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"event": event_type,
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**kwargs,
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}
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print(json.dumps(event), flush=True)
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_forward(event)
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class HoneypotFTP(FTP):
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def connectionMade(self):
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peer = self.transport.getPeer()
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_log("connection", src_ip=peer.host, src_port=peer.port)
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super().connectionMade()
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def ftp_USER(self, username):
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self._honeypot_user = username
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_log("user", username=username)
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return super().ftp_USER(username)
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def ftp_PASS(self, password):
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_log("auth_attempt", username=getattr(self, "_honeypot_user", "?"), password=password)
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# Accept everything — we're a honeypot
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self.state = self.AUTHED
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self._user = getattr(self, "_honeypot_user", "anonymous")
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return defer.succeed((230, "Login successful."))
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def ftp_RETR(self, path):
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_log("download_attempt", path=path)
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self.sendLine(b"550 File unavailable.")
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return defer.succeed(None)
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def connectionLost(self, reason):
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peer = self.transport.getPeer()
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_log("disconnect", src_ip=peer.host, src_port=peer.port)
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super().connectionLost(reason)
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class HoneypotFTPFactory(FTPFactory):
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protocol = HoneypotFTP
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if __name__ == "__main__":
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twisted_log.startLogging(sys.stdout)
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_log("startup", msg=f"FTP honeypot starting as {HONEYPOT_NAME} on port 21")
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reactor.listenTCP(21, HoneypotFTPFactory())
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reactor.run()
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