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TRYHACKME WRITE-UP

Cicada-3301 Vol:1 - TryHackMe writeup

A basic steganography and cryptography challenge room based on the Cicada 3301 challenges

MediumLinuxSteganography6 min read

Open the room on TryHackMe ↗ View on GitHub

Task 1. Download!

Hello, We are looking for highly intelligent individuals. To find them, we have devised a test. There is a message hidden in this image Download and unzip the folder given to begin Good Luck -3301

Download and unzip the given folder

No answer needed

Task 2. Analyze The Audio

What is the link inside of the audio?

https://pastebin.com/wphPq0Aa

Task 3. Decode the Passphrase

Welcome.

Good Luck.

-3301

Use various encryption methods and ciphers to decode the passphrase and

access the metadata of Welcome.jpg

Find and Decrypt the passphrase and key

No answer needed

What is the decrypted passphrase?

Hm5R_4_P455mhp453!

What is the decrypted key?

Cicada

Still looks funny? Find and use a cipher along with the key to decipher the passphrase

No answer needed

What is the final passphrase

Ju5T_4_P455phr453!

Task 4. Gather Metadata

Good Luck

-3301

Use Steganography tools to gather metadata from Welcome.jpg as well as

find the hidden message inside of the image file.

Using the found passphrase along with Stego tools find the secret message

No answer needed

What link is given?

https://imgur.com/a/c0ZSZga

Task 5. Find Hidden Files

I am surprised you have made it this far...

I doubt you will make it any further.

-3301

Use Stego tools to find the hidden files inside of the image

Using stego tools find the hidden file inside of the image

No answer needed

What tool did you use to find the hidden file

outguess

Task 6. Book Cipher

We have one last challenge to find our individuals

Find the last clue, crack the hash, decipher the message

Good Luck

-3301

Use Hash cracking tools to reveal the text to the text

Use methods like Cicada to decipher the message

Crack the Hash

No answer needed

What is the Hash type?

SHA512

What is the Link from the hash?

https://pastebin.com/6FNiVLh5

Decipher the message

No answer needed

What is the link?

https://bit.ly/39pw2NH

Task 7. The Final Song

We have found the individuals we sought

-3301

What is the song linked?

The Instar Emergence