stegomedium

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_encoding exiftool pdf_metadata producer_field unicode_steganography morse_code file_timestamp_ordering emoji_filenames

PDF metadata steganography (Producer field)Unicode steganography using visually similar charactersMorse code encoding with Unicode symbolsFile timestamp ordering for sequence recovery

Analysis

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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