[PoliCTF 2015] [Reverse 100 – Crack me if you can] Write Up [PoliCTF 2015] [Web 100 – John The Traveller] Write Up [PoliCTF 2015] [Web 150 – John The Referee] Write Up [PoliCTF 2015] [Grabbag50 – Hard Interview] Write Up [PoliCTF 2015] [Web 350 – Magic Chall] Write Up