Creating an FTP C2

This script is a quick and dirty file-theft tool. It runs in a straight line up the directories, nabbing everything it comes into contact with. It then exports these to an FTP directory that it's pointed at. In situations where you can drop a file and want to quickly get the contents of the server, this is ideal as a starting point.

We will create a script that connects to an FTP, grabs the files in the current directory, and exports them to the FTP. It then jumps up into the next directory and repeats. When it encounters two directory listings that are the same (that is, it has hit the root), it stops.

Getting Started

For this, you will need a functioning FTP server. I'm using vsftpd, but you may use whatever you please. You'll need to either hard code the credentials into the script (not advisable) or send them with the credentials as flags.

How to do it…

The script we will be using is as follows:

from ftplib import FTP
import time
import os

user = sys.argv[1]
pw = sys.argv...