guest@1nv0k3r:~$nc introduction.1nv0k3r.me 23333

Welcome to my blog!
---------------------Which info do u want to know ? -----------------
1. My Name
2. My Age
3. My Work
4. Up to all
---------------------------------------------------------------------
>: 4
Ok, i'll tell u all about myself!
guest@1nv0k3r:~$python exploit.py
[+] Opening connection to introduction.1nv0k3r.me on port 23333: Done
[*] Switching to interactive mode
shell# ls
1nv0k3r
shell# cat 1nv0k3r
My name is 1nv0k3r, CTF players, focus on Vulnerability Discovering.
shell# cat /etc/passwd
1nv0k3r:1nv0k3rIs5ad:0:0:1nv0k3r:/1nv0k3r:/bin/bash