forensicsProeasy
Немое кино (hello-pixie)
bug-makers
Task: an MP4 'silent movie' with no audio hides data in tx3g (mov_text) subtitle tracks. Solution: enumerate all container streams with ffprobe, extract the subtitle tracks with ffmpeg, concatenate three base64 fragments placed at the timeline start, and decode to recover the flag.
$ ls tags/ techniques/
base64_decodestream_enumerationsubtitle_extraction
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