Write-up for DC31's lonely hard drive contest

That's a wrap for DEFCON 31!

Hey! Thanks for playing our CTF at DEFCON 31, we hope you had a ton of fun. 

While the conference curtains have closed, the puzzles still need solving! To keep the loneliness alive, we're throwing you a lifeline – our puzzle writeup. The ultimate secret weapon for cracking those lingering puzzles which are causing you those sleepless, lonely nights. 

Stay lonely and see you at DEFCON32!