CTF

Cr0wnGhoul 1ETH Puzzle: You’ve Got Mail Write-up

bbuerhaus Crypto, Puzzle , , ,

Solved by:

Cr0wn_Gh0ul launched a new puzzle with a 1 Eth and 800 Matic prize recently. This involved airdropping matic NFTs and contracts to many addresses, similar to the one million matic NFTs he airdropped recently. This puzzle involved navigating the contracts, finding the NFTs, extracting text from the NFT images, and using the text as a private key. I will explain the process that went into solving this puzzle.

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DEFCON 29 CTF Qualifier: 3FACTOOORX Write-up

bbuerhaus Puzzle, Security , , ,

I recently participated with the CTF team Norse Code representing Hacking for Soju in the DEFCON 29 CTF qualifiers. There was a web challenge, so I went full speed ahead to solve it. Overall the challenge is fairly straightforward and not too difficult, but I decided to do a write-up on it to demonstrate one way that you are able to work through obfuscated JavaScript.

The challenge begins with a website link and a Chrome browser extension that you can download.

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NahamCon – Trash the Cache Write-up (Web 1000)

bbuerhaus Puzzle, Security ,

I recently participated in the NahamCon CTF with the team Hacking for Soju. I was unable to complete this challenge before the end of the CTF, but managed to solve it the following day. Credits to maneolt and xehle for sharing notes and giving me a couple nudges.

Shout-out to the challenge creator Adam Langley (give him a follow) for keeping the hype going after the CTF ended and also making one of the better web CTFs I have seen!

It starts with Hackbookagram.com

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