: Use the file command in Linux to confirm the archive type.
: If the file is a memory dump, use Volatility to search for running processes or bash history. Drafting Your Write-up A professional CTF write-up should include:
: Use Strings to search for plain-text flags (often in the format FLAG... ).
: Use 7z x GambCasei20-01.7z to extract the contents. If it requires a password, check the challenge description for clues or use John the Ripper or Hashcat for cracking. 2. Content Investigation
: Detail the commands used and the reasoning behind each tool choice. The Flag : Clearly state the final flag found. Hacktober 2020 CTF Write-Up (Steganography) | by sumb0dy
: Check the file metadata with ExifTool for hidden comments or GPS coordinates.
If you are looking for a write-up to solve or document this challenge, here is a general framework based on forensics and steganography challenges common to that event:
: (e.g., Forensics / Hacker's Gambit 2020) Description : A brief summary of the prompt.