Create AnonFTP.py

this script do an Anonymous Login scan of random FTP hosts. It uses threads to scan multiple hosts at the same time in order to make the scan faster.

The help text of the script looks like this:
Usage: AnonFTP.py [options]

Options:
  -h, --help            show this help message and exit
  -n nHost              Number of hosts
  -o FILE, --output=FILE
                        File to save logs
  -v, --verbose         Logs everything
  -t TIMEOUT, --timeout=TIMEOUT
                        Timeout in seconds
  -m MAX, --maxthread=MAX
                        Maximum thread number

Necessary options:
[+] -n nHost: Number of hosts you want to scan
[+] -o FILE: Logs file
[+] -m MAX: This is very important option, you should specify the maximum number of threads. The value of this option depends on your computer!

Optional options:
[+] -v, --verbose: Specify this option when you want to include to outputs the hosts that doesn't supports anonymous login
[+] -t TIMEOUT: the timeout of connecting to host. Specifying this option will make the scan more faster, the value depends on your internet speed