: The (3) suggests this was downloaded 4 times total. Check your browser history to see where the original vid.mp4 came from.
: Use the file command to ensure it is actually an MPEG-4 video and not an executable disguised with a .mp4 extension. Command: file "vid (3).mp4" Download File vid (3).mp4
: Use video editing software to adjust brightness/contrast . Text is sometimes hidden in the black bars or very dark areas of the frame. 2. Audio Steganography : The (3) suggests this was downloaded 4 times total
: Run sha256sum vid (3).mp4 to get a unique hash. This helps check if the file matches known malware or specific CTF databases. Command: file "vid (3)
To help me give you a more specific write-up, could you tell me:
: Check if the audio track is playing backward or contains Morse code. 3. Deep Data (Steganography)