The Last Step

Date: 03, July, 2021

Author: Dhilip Sanjay S

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• This is the last step of the heist and some noobs will say it is difficult but mark my words its all about maths, numbers and a good programmer with a curious mindset

CFF{POUAAABMEHXKFRSRCLKTG}

• CFF{POUAAABMEHXKFRSRCLKTG} is the flag. Key to every locker is often not given but if you are still curious https://www.linkedin.com/in/amanjiofficial/

• Hint: If Aman Sir will ever get a chance, he will marry at Eiffel Tower.

• Answer: CTF{CONGRATULATIONSYOUWON}

• Steps to Reproduce:

  • It's using Vigenere Cipher

  • The key is AMANAHUJAISTHECREATOROFTHECHALLENGE

  • How did I find the key? Just enter the name of the creator AMANAHUJA and then you can easily figure out the rest of the key by using the Vignere Square.

  • Use cyberchef to get the flag:

Cyber Chef

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