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Checklist

Forensics | Hard - Checklist

Challenge​

Linkin Park are back in action! The sound tech has sent you a list of essential equipment. Make sure that the band has everything they need! (Please wrap your answer like such: scs{answer})

Message

hint
Binwalk can be used on Compressed archives (ZIP, TAR, JAR, etc.), JPEGs, and PDFs. Can you think of a browser based solution that runs steg tools like ‘binwalk’ for you?.

Q1 - 60 points
What is the name of the .wav file (add the extension to the answer) ?

Q2 - 30 points
What is the most common file format that allows for file extraction?

Q3 - 10 points
What is the hidden message?

Solution​

Solution Guide
  1. What is the name of the .wav file (add the extension to the answer)?
    1. Figure out that .jpeg is a supported file type for steganography
    2. Use ‘binwalk checklist.jpeg’ to view the contents inside of the file
  2. What is the most common file format that allows for file extraction?
    1. Look this up
  3. What is the hidden message (lowercase)?
    1. Copy the file from .jpeg to .zip format ‘cp checklist.jpeg check.zip’
    2. Unzip the compressed file to extract its contents ‘unzip check.zip’
    3. Take the extracted dj.wav file and plug it into this morse code to english translator

Credits​

  • Author(s): Swapnil Roy (thespcrewroy)