stegoPromedium

Rabbit Hole

hackerlab

Task: Archive with 10 PDF files with emoji names. Solution: Extract Producer field from PDF metadata, decode hex to Unicode symbols (U+2022/U+2024), interpret as Morse code, order by modification year timestamps.

$ ls tags/ techniques/
hex_encodingexiftoolpdf_metadataproducer_fieldunicode_steganographymorse_codefile_timestamp_orderingemoji_filenames
PDF metadata steganography (Producer field)Unicode steganography using visually similar charactersMorse code encoding with Unicode symbolsFile timestamp ordering for sequence recovery
🔒

Permission denied (requires tier.pro)

Sign in to access full writeups

Sign in with GitHub to continue. No email required.

$sign in

$ grep --similar

Similar writeups