Sunshine CTF 2023

Challenge: BeepBoop Cryptography Help! My IOT device has gone sentient! All I wanted to know was the meaning of 42! It’s also waving its arms up and down, and I… oh no! It’s free! AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Automated Challenge Instructions Detected failure in challenge upload. Original author terminated. Please see attached file BeepBoop for your flag… human. BeepBoop beep beep beep beep boop beep boop beep beep boop boop beep beep boop boop beep beep boop boop beep boop beep beep beep beep boop boop beep beep beep beep boop beep boop boop boop boop beep boop boop beep boop boop boop beep beep boop beep beep boop boop beep boop beep boop boop beep boop boop beep beep boop boop boop beep boop boop boop beep beep boop beep beep boop boop beep beep boop beep boop beep boop boop boop boop beep boop beep beep boop boop boop beep boop boop beep beep boop boop beep beep beep beep boop beep boop boop beep boop boop boop beep beep boop boop beep beep boop boop boop beep boop boop boop beep beep boop beep beep beep boop beep boop boop beep boop beep boop boop boop beep beep boop beep beep boop boop beep boop beep boop boop beep boop boop beep beep boop boop boop beep boop boop boop beep beep boop beep beep boop boop beep beep boop beep boop beep boop boop boop boop beep boop beep beep boop boop boop beep boop boop beep beep boop boop beep beep beep beep boop beep boop boop beep boop boop boop beep beep boop boop beep beep boop boop boop beep boop boop boop beep beep boop beep beep beep boop beep boop boop beep boop beep boop boop boop beep beep boop beep beep boop boop beep boop beep boop boop beep boop boop beep beep boop boop boop beep boop boop boop beep beep boop beep beep boop boop beep beep boop beep boop beep boop boop boop boop beep boop beep beep boop boop boop beep boop boop beep beep boop boop beep beep beep beep boop beep boop boop beep boop boop boop beep beep boop boop beep beep boop boop boop beep boop boop boop beep beep boop beep beep boop boop boop boop boop beep boop Intro The hint is given indirectly in the challenge: waving hands up & down This means it is communicating in binary form: 0 & 1...

Challenge 1: BeepBoop Blog A few robots got together and started a blog! It’s full of posts that make absolutely no sense, but a little birdie told me that one of them left a secret in their drafts. Can you find it? https://beepboop.web.2023.sunshinectf.games Intro The challenge page is a blog that contains multiple posts from different robots. We are a bunch of robots who like posting! We are chronically online, and our posts are not coherent....

Challenge: DDR All the cool robots are playing Digital Dance Robots, a new rythmn game that… has absolutely no sound! Robots are just that good at these games… until they crash because they can’t count to 256. Can you beat the high score and earn a prize? nc chal.2023.sunshinectf.games 23200 Solve 1. Task: Robot will give a 50 arrow string & you have to reply with WASD form. W for up arrow A for left arrow S for down arrow D for right arrow 2....

Challenge: Dill Originally this was going to be about pickles, but .pyc sounds close enough to “pickles” so I decided to make it about that instead. Download: dill.cpython-38.pyc Solve 1. Go to PyC decompile and upload the file. It will show the code. 2. Code: # uncompyle6 version 3.5.0 # Python bytecode 3.8 (3413) # Decompiled from: Python 2.7.5 (default, Jun 20 2023, 11:36:40) # [GCC 4.8.5 20150623 (Red Hat 4....