Did you find the flag by running strings 3137.mp4 | grep "CTF{" ? 4. Final Flag Flag: FLAGexample_flag_123
If you found something in a single frame, explain how you extracted it using ffmpeg -i 3137.mp4 -vf "select=eq(n\,3137)" -vframes 1 out.png . 3137.mp4
A quick summary of the trick (e.g., "The flag was hidden in the LSB of the audio channel"). Did you find the flag by running strings 3137
Did you run exiftool 3137.mp4 ? Often, flags or hints are hidden in the "Comment" or "Artist" tags. 3137.mp4
net/threads/pishem-ctf-writeup-pravil-no-zachem-eto-nuzhno-i-kak-pomogayet-razvitiyu.92117/">Codeby ?
Briefly state what the goal was (e.g., "Find the hidden flag within the video file").