CTF and Challenges

Password Attacks CTF

This series of challenges are made to practice some of the concepts covered in the post OSCPath Week 5: Antivirus Evasion and Password Attacks This game, like many other games, is organised in levels. Each level has access to the password of the next level. Your job is to somehow obtain that next password and level up.

Cryptography through the years CTF

Delve into the fascinating realm of cryptography with this captivating CTF challenge. This immersive adventure will take you on a thrilling quest to decipher cryptic messages, unravel ancient ciphers, and master the art of secret communication.

Quick Challenges

Cryptography

Enigma

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Enigma

To solve this challenge, you will need to understand how the Enigma machine works and how to decrypt messages with it. You can use an online Enigma emulator to help you with this.

mrfts yfjmv ez

Hint 1

Positions and rings are the same for all rotors

Hint 2

UKW A and no plugboard

Low Level Languages

Evil deeds

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Evil deeds

The flag is a program that can break someone else's computer by duplicating itself. Do not run it or you may overload your computer.

Hint 1

Hint 2

Esolangs

MMadness

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MMadness

The last 8 characters of a Malbolge program is the flag. The program should print an algorithm to pick 10 digits from the decimals of Pi.

Hint 1

Elementary 01x10 - Leviathan

Hint 2

Generator is lineal and program prefix is optimal.

Reverse Engineering

esreveR

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esreveR

Here you have a hexdump of a program. It comes from hexdump [ELF64 file]. Find a way to reverse it and find the flag.

Hint 1

Flag format is: pwnlab{flag}