: Generate a hash (e.g., sha256sum ) to ensure file integrity throughout the analysis.
: If the file was suspected to be a JPEG hidden inside the MP4, or if there's an embedded image. tango part3mp4
: [e.g., Spectrogram of Audio Stream / Appended Zip File] Tools Used : ExifTool, Audacity, Binwalk. Flag : CTFtango_down_part_3_success (Example) : Generate a hash (e
: Use the strings command (e.g., strings tango_part3.mp4 | grep -i "CTF" ) to look for plaintext flags or URLs embedded in the binary data. 2. Metadata Examination : Generate a hash (e.g.
: Check if other files (like a .zip or .txt ) are appended to the end of the video using binwalk -e tango_part3.mp4 . 3. Media Stream Analysis