Detailed View — Traboda Forensic Challenge Write Up

Intro to Traboda : Traboda is an Cybersecurity Edutech from which provides 200+ challenges from various categories and competitions with difficulty ranging from beginners to experts.

Traboda - Learn CyberSecurity & Hacking

Challenge Description : Sam, thinks there is more to know about this file. Can you help him know more about this file?

Flag Format : flag{some_l33t_string}

Challenge Link : https://app.traboda.com/challenge/40

Initially we are given an image of png-format

Lets Open this image in TweakPNG and examine it.

On opening the image in TweakPNG , the following window will be displayed

We shall find this link https://pastebin.com/KudUCfTC

On opening this link , we will get a base64 encoded string

ZmxhZ3tNMTVzSTBOX2FDYzBNUEwxNWgzRH0=

We will decode this string using a terminal,

echo 'ZmxhZ3tNMTVzSTBOX2FDYzBNUEwxNWgzRH0=' | base64 --decode

On decoding this string , we will get the flag for this challenge.

Required Flag : flag{M15sI0N_aCc0MPL15h3D}

Additonal Installations

1. Install wine by in terminal ,

sudo apt install wine-stable

2. Link to download TweakPNG : http://entropymine.com/jason/tweakpng/