stegoPromedium

Странное видео (Strange Video)

hackerlab

Task: a ZIP with msg.txt containing a hidden Vimeo URL among empty lines, leading to an MP4 with whitespace data appended after video atoms. Solution: 6-layer decode chain — whitespace binary → ASCII → binary bytes → base64 → Morse code (digits 1-6) → Braille dot positions → flag.

$ ls tags/ techniques/
binary_encodingbase64morse_codemulti_layerbraillemegaappended_datamp4whitespace_steganographyrick_rollvimeo
morse_code_decodingwhitespace_binary_encodingmp4_atom_parsingbraille_dot_position_decodingmulti_layer_encoding_chainvideo_metadata_extractionhidden_url_discovery
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