COHESION 2021 – CTF Writeups

In February 2021, IEEE NorthCap conducted an event with the name Cohesion. MeuSec was it’s proud education partner.

Below are the writeups for the CTF challenges of Cohesion. Be sure to check them out and see where did you get stuck.

If you’d like to solve the challenges along with the write-ups, here’s the link to GitHub repository with our challenges present.

Crypto Challenges

• Warm Up 1
• Warm Up 2
• Warm Up 3
• Basic Ciphers
• Weird Sound
• What The Hell is This?

Web Challenges

• Post Office
• Johnny with Tori
• Gamer Boy
• Word in the Press
• Jack Jill

OSINT Challenges

• Find The Place
• Time Travel
• Who Am I
• Easy-Peasy
• OSINT Master
• Lost Phone
• Storms

Reverse Engineering Challenges

• Basic Rev
• Basic Rev 2
• Andy
• Pyro
• Grep The Flag
• Not So Basic

Miscellaneous Challenges

• Discord
• Zero Width
• Digital Ink
• Deception

How many were you able to solve? Tell us in the comments section below.

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