I played a few web challenges during 1337UP LIVE CTF this past weekend and really enjoyed them! Here are my writeups for SafeNotes 2.0 and Greetings.
I authored two challenges for UMass CTF this year, Future Router and Cash Cache. This post goes through the author writeup for both including the motivation and solutions for the challenges.
I spent some time this weekend playing LACTF, here are some fun challenges I solved.