Two Paths

DESCRIPTION

Logan gave me this image file before disappearing.. I've been breaking my head over it for long Can you decode it? Author: Rakhul FLAG FORMAT: dsc{[a-zA-Z0-9_]+}

Solution

  • Running strings on the jpg provided, we see there are few files embedded in it.

  • Use Binwalk to extract(binwalk -e <file-name>), we get 2 more images which contain more embedded files

    • greenpill.jpg

    • redpill.jpg

  • Extracting greenpill gives us nothing but a troll image

  • Extracting redpill.jpg gives us a wav file and a encrypted zip file

  • Morse decode wav using this tool gives us T H E P A S S W O R D I S T H E H O V E R C R A F T O F M O R P H E U S

  • Googling THE HOVER CRAFT OF MORPHEUS gives us nebuchadnezzar

  • Using nebuchadnezzar as password for the zip file, we get a wav file named deep_secret.wav

  • The name of the file is a hint: deep

  • We can use deepsound to extract flag file

  • It gives us a text file which contains the flag

  • Flag: dsc{u_ch053_THE_cOrr3Ct_pill!}

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