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1364 Rotten Apple

  • Published: 04/04/2024 (#2/14 in round)
  • Category: Steganography
  • Points: 25
  • Author: iARX

Someone sent me a bunch of random letters, can you decode it?

Tip: Flag is in csd{} format

Attachments

  • I1EBG2RlIKqvE1cIHacerIEHEGIuIxMRIJgnJJIfn3qKFTkuMSMjE09JGx5GExcgISMFG09ECG0=

Hint

This hint costed 10 points.

Reveal hint

Focus on the title... 13 & 64? Rotten apples? Could those mean anything?

Write-up

Reveal write-up

A simple decoding challenge utilizing basic cryptography, we can solve this by decoding from ROT 13 initially and then repeatedly decoding from Base64.

Cyberchef recipe to decode.

Flag: csd{I_Lov3_b@$E_64_&nd_R0t_13}

Write-up by Vipin