Writeups

Our writeups for CTFs are stored here.

CTF Writeups

AES

July 13th, 2020

I wrote my own AES! Can you break it?

June 27th, 2020

Writing your own decryption algorithm!

June 27th, 2020

Writing your own decryption algorithm!

June 26th, 2020

I want to buy some of these recipes, but they are awfully expensive. Can you take a look?

Panda Facts - redpwnCTF 2020

Web Exploitation

June 26th, 2020

I just found a hate group targeting my favorite animal. Can you try and find their secrets? We gotta take them down!

June 26th, 2020

Uh oh; it looks like they already migrated to a more secure platform. Can you do your thing again? These horrible people must be stopped!

Post It Notes - redpwnCTF 2020

Web Exploitation

June 26th, 2020

Request smuggling has many meanings.

June 26th, 2020

I wanted to make a website to store bits of text, but I don't have any experience with web development.

June 26th, 2020

Seeing that my last website was a success, I made a version where instead of storing text, you can make your own custom websites!

Kevin Higgs - redpwnCTF 2020

Binary Exploitation

GOT

June 26th, 2020

Kevin, teach us heap - I mean how to pop a shell with only 2 bitflips!

Tux Fanpage - redpwnCTF 2020

Web Exploitation

June 26th, 2020

My friend made a fanpage for Tux; can you steal the source code for me?

Windows

June 26th, 2020

Windows Rev go brrrrrrrrrrrrrrr...

Login - redpwnCTF 2020

Web Exploitation

SQL Easy

June 26th, 2020

I made a cool login page. I bet you can't get in!

Survey Trivial

June 26th, 2020

We want to hear about you and your experience during this CTF! We put a ton of work into this and would really appreciate your honest feedback.

Discord - redpwnCTF 2020

Miscellaneous

Discord Trivial

June 26th, 2020

Join the redpwnCTF discord server.

Goldwasser–Micali

June 26th, 2020

Secrets encrypted.

RC4

June 26th, 2020

I found this in-progress password manager on a dead company's website. Seems neat.

Easy

June 26th, 2020

The only guessy challenge in rCTF.

Anti-textbook - redpwnCTF 2020

Web Exploitation

June 26th, 2020

It's important for public keys to be transparent.

Bases Easy

June 26th, 2020

Encoding something multiple times makes it exponentially more secure!