# NeverLan CTF 2018: Siths use Ubuntu (part 3 of 3)
**Category:** Blast from the Past**Points:** 150
**Description:**
>Ok... So the boss of your company has come to the security team with a problem. His "secure" linux box has been hacked. Password is: neverlan
>There are 3 things we need you to do. This is part 3.
>You've got to figure out how they broke in.>https://s3-us-west-2.amazonaws.com/neverlanctf/files/neverlan.ova
## Write-up
That was really fast.
1. I downloaded image .ova, imported this to VirtualBox.2. Logged in and run terminal.3. Typed in terminal:>grep ssh /var/log/auth.log4. After few secs I get something intresting.
>Good Job! It looks like it was brute forced. Your an sw er is: should-have-used-fail2ban
So, our flag is:
`should-have-used-fail2ban`