21 - FTP

When I see FTP Port Open:

  1. Try FTP Default creds - anonymous:anonymous / admin:admin

  2. Once you log in, type passive and binary for file transfer modes

  3. If anonymous login -> create a payload, upload and try visit <IP>/exploit.asp

  4. FTP Login: ftp <username>@<IP>

  5. Banner Grabbing: nc -nv <IP> 21

  6. Grab Cert: openssl s_client -connect <IP>:21 -starttls ftp

  7. Download all the files in share: wget -m ftp://anonymous:anon@<IP>

  8. Download all: wget -m --no-passive ftp://:@<IP>

  9. Different port: ftp <IP> -P 3084

  10. Bruteforce: hydra [-L <users.txt> or -l <user_name>] [-P <pass.txt> or -p ] -f [-S port] ftp://<IP>

  11. If it's a Microsoft server -> Try asp, aspx payloads. Try staged/stageless, x32/x64 payloads.

  12. Check if we can overwrite stuff and upload files to make it work. Look at the permissions.

  13. Look for hidden files, go back to a directory if you find anything, and look for creds in DB Files.

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