HackTheBox Hidden in Colors 🖼️: Complete Walkthrough of the Hard Stego Challenge

Video walkthrough for retired HackTheBox (HTB) Stego challenge "Hidden in Colors" [hard]: "We intercepted this weird image coming from a person of interest, can you figure it out because we sure can't. What we overheard is 'the last two digits are of great importance'." - Hope you enjoy 🙂

Sign up for HackTheBox: https://hacktheboxltd.sjv.io/xk75Yk

↢HackTheBox↣
https://app.hackthebox.eu/challenges/21

↢Video-Specific Resources↣
https://0xrick.github.io/lists/stego
https://github.com/DominicBreuker/stego-toolkit
https://stegonline.georgeom.net

👷‍♂️Resources🛠
https://cryptocat.me/resources

↢Chapters↣
Start - 0:00
Basic file checks - 0:57
StegSolve and ZSteg checks - 1:39
Investigate binary digits in image - 4:49
Explaining LSB and general stego - 6:33
Play with remaining options in StegOnline - 11:17
Open image with Gimp - 16:20
Map colour hex codes - 21:25