Ludovic COULON - Cybersecurity blog

The Impossible Challenge - TryHackMe

TryHackMe | The Impossible Challenge

Download the file, and find the Flag!

qo qt q`r6 ro su pn s_ rn r6 p6 s_ q2 ps qq rs rp ps rt r4 pu pt qn r4 rq pt q` so pu ps r4 sq pu ps q2 su rn on oq o\_ pu ps ou r5 pu pt r4 sr rp qt pu rs q2 qt r4 r4 ro su pq o5

Let’s download the file to see if there is some kind of help ?

Err, we need a password let’s see if we can decode the hidden message that the creator of the room tell us.

ROT13 > ROT47 > HEX > Base64
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It's inside the text, in front of your eyes!

Hmm well, there is something hidden in front of my eyes 👀 Let’s find it !

When you hover the description message on the room you can see there is something odd, let’s see if we can decode it !

This is unicode steganography with Zero-With Characters

Unicode Steganography with Zero-Width Characters

Password to decode the archive : hahaezpz

THM{Zero_Width_Characters_EZPZ}