Abstract

I’ve decided to start creating writeups for every single challenge in TryHackMe, so I got myself a subscription this week. This is the first in a series of hundreds of writeup articles from TryHackMe.

I hope it is benefitial and fun to you, as it was for me to beat this challenge, and that I can offer something you can learn more.

The Challenge - The Game

	Level: Easy Time: 10 min Type: Forensics Requirements: Almost zero, maybe a bit of Linux and simple file manipulation commands knowledge. Resources Used: - Kali Linux - strings command.

Walkthrough

This challenge is very simple, judging by the its instructions. All that is required is to find a flag inside a tetris game file.

Once the challenge zip file is downloaded and opened, inside it contains a simple ‘Tetrix.exe’ executable, you need to uncompress.

The very first thing we generally do in challenges like that is to check for any readable strings inside the given file:

strings Tetrix.exe

The result list is too long so let’s try to be more specific about it and filter by the flag naming convention ‘THM{STRING}’

strings Tetrix.exe | grep -i 'thm{'

And Voilá, there we have it!

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