Tags: johntheripper pdf2john crypto enigma 

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An enigma cipher based challenge. The cipher text clearly showed that it was blocks of enigma ciphertext. The real challenge was to find the enigma cipher parameters which was hidden inside a password protected pdf whose password needs to be cracked using John The Ripper. Read the original writeup below for detailed steps.

Original writeup (https://c12yptonic.github.io/ctf-writeups/ctfs/deconstructf21#behind-the-enemy-lines-).