: Run exiftool on the .7z file and the extracted video. Look for comments, GPS data, or unusual "Software" tags that might contain a flag or a hint.
: Listen for Morse code or synthesized voices playing at very low speeds or reversed. To provide a specific solution, could you clarify: video_2018-09-08_12-40-50.7z
Use binwalk -e to see if there are other files (like images or ZIPs) hidden inside the video stream. : Run exiftool on the
If this is a forensics challenge, the "video" inside is often a decoy or a container for hidden data: To provide a specific solution, could you clarify:
Note : If it asks for a password and one wasn't provided in the challenge description, the password is often hidden in the file metadata, a related image, or requires a "brute force" with a common wordlist like rockyou.txt . 2. Forensic Analysis Steps