stegoPromedium

Your Eyes Lie To You

hackerlab

Task: HTML file with text encoded as HTML entities that looks normal visually. Solution: Analyze character codes to find Unicode homoglyphs (Mathematical Sans-Serif Small block) hiding the flag.

steganography unicode homoglyph html_entities mathematical_symbols invisible_text character_encoding

Unicode homoglyph steganographyHTML entity decoding and analysisCharacter code comparison

$ ls tags/ techniques/

steganography unicode homoglyph html_entities mathematical_symbols invisible_text character_encoding

Unicode homoglyph steganographyHTML entity decoding and analysisCharacter code comparison

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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