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.

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

$ 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

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

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