C3n7ral051nt4g3ncy / HACKTORIA-CTF-KLUMGONGYN_RETURNS

Write up for the HACKTORIA CTF: KLUMGONGYN RETURNS

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HACKTORIA CTF

CTF Writeup : KLUMGONGYN RETURNS

Classed on the Hacktoria website as level: Hard (Hacktoria had initially set this CTF to level insane, then it was changed hard)



Mission | Task

Greetings Special Agent K. We have a very special assignment for you today. You might remember our old friend Klumgongyn. He’s recently turned up again and will be cooperating with us going forward. In what capacity that collaboration is, I cannot say right now.

All I can tell you, that below you’ll find a text written in ancient Klumgon. It’s up to you to translate the text, which will help you uncover the password for your Link File as well.

Everything else will become clear upon translating the text.

As always. Special Agent K, the contract is yours, if you choose to accept.


Ancient Alien Language Decryption


Capturing the Flag

I initially thought there was steganography in this image as Zsteg detected Steg inside and a secret PGP Key which I have not seen before on images that didn't contain STEGO.

But I worked only from the file, and decrypted the text in full. This is what the image looked like after decryption (see below), I wrote above each sentence in bright green. (I have put this image in small as the CTF is still running).

Once the text was fully decrypted, a password was found in order to open the encrypted .zip file, there is specific characters that were not that easy to find, but after doing a few tweaks, the .Zip file opened.

Once the zip decrypted, there is an exec file , by clicking on it the terminal is opened and we get a bit.ly link, with the bit.ly link we can then get the Contract Card.


Contract Card

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Write up for the HACKTORIA CTF: KLUMGONGYN RETURNS