TUX (CTF Learn)

Forensics

Challenge — Tux! — CTFlearn — CTF Practice — CTF Problems — CTF Challenges

The flag is hidden inside the Penguin! Solve this challenge before solving my 100 point Scope challenge which uses similar techniques as this one.

Don’t forget we always work inside VMs .

So we’ll upload the file there and then :

We took the download link and used wget to download the :

I always change the names to something that is closest to what we do, so I changed the name of the file to the name of the task that we are doing now , Now let’s get started :

I used file to find out the file type, and then I used exiftool, to make sure that this comment is correct, one way or another.

When I was sure I had to ask my brother for help https://cyberchef.org/

Okay, this is the password, but, why in the first place, there seems to be a hidden file in the back , It seems that there is a hidden file. Let’s try then, I will use binwalk :

Well we found a zip file already :

After extracting the file, I entered _Tux.jpg.extracted/, to find out what was inside it, then I determined the type of files ,It seems that file 1570 is what is meant :

We have set the password Linux12345, you must not forget it :

Then the flag was redirected to the flag , It was really fun .

Here is the flag\ See you soon in other reports….!!

Abdelwahab_Shandy

AS_Cyber