CTF Puzzle 'vimjail'[pwn] is Online Now

This is a rebuilt puzzle originated from Boston Key Party CTF 2017 - vimjail.
Write up is here: https://yous.be/2017/03/01/boston-key-party-ctf-2017-vimjail-write-up/

Puzzle entry:

ssh vimjail@xhyumiracle.io -p22 (vimjail)

All the files you need are right in the ~ directory (i mean except those normal command binary files).

If you have any comment or question, pls leave me a message here.