I was talking to a friend recently when I realized that the challenges I designed for the Pittsburgh Hacker’s Association’s first four meetings (prior to my return to Texas) were no longer readily available. If anyone still wants to play through them I’ve decided to just share them here. Enjoy!
Continue reading “PHA Challenges”DerbyCon 9 – DomainTools CTF – Reversing
Part three of the DerbyCon DomainTools CTF write-ups. You can find coverage of all the Crypto challenges here and coverage of all the Forensics challenges here. This finishes up the solutions for every challenge in the CTF, broken up by the same section names that they used. When possible, I’ll also be creating CyberChef recipes to directly solve each challenge, and linking to them following the solution description. Let’s get started!
DerbyCon 9 – DomainTools CTF – Forensics
Part two of the DerbyCon DomainTools CTF write-ups. You can find yesterday’s coverage of all the Crypto challenges here. I’ll be contributing solutions for every challenge in the CTF, broken up by the same section names that they used. When possible, I’ll also be creating CyberChef recipes to directly solve each challenge, and linking to them following the solution description. Today: the forensics challenges!
DerbyCon 9 – TrustedSec Challenge Coin Solution
This last weekend was the final DerbyCon. We’ll #TrevorForget. It was also an event filled with several quick and fun CTFs… and since I’ve been deficient in posting things lately, I figured I’d catch up by showing how to solve a whole pile of them. First up: the TrustedSec Challenge Coin! Attendees could get one of these by just showing up and asking for one, and there was a prize pack being awarded to anyone who could solve it. I was the fifth to do so, and figured others might want to know how to get to the final message.
Continue reading “DerbyCon 9 – TrustedSec Challenge Coin Solution”
Intro to Cryptography (Part 3 of 3)
This is the quick-hit version of the second of three parts of Introduction to Cryptography training I gave. As with all of the formal training, you can use the below for a quick reference, or view the full presentation here.