stegohard

Фотокарточки (Photo Cards)

duckerz

Task: Telegram bot generates photo cards with hidden message. Solution: Differential analysis reveals R/G channel LSBs use visual secret sharing (XOR recovers secret), decoy message leads to Unicode tag steganography with real flag.

$ ls tags/ techniques/

lsb png unicode_steganography xor_steganography multi_layer telegram_bot visual_secret_sharing decoy differential_analysis

xor_lsb_two_channelvisual_secret_sharingunicode_tag_steganographydifferential_analysismulti_layer_steganography

Analysis

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

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