stegoProeasy

An Italian Penguin

metactf

Task: a JPEG penguin image appeared to be a stego challenge, but normal metadata checks and outguess-style probing were misleading. Solution: interpret the Linux-themed hint as the GNU/Linux copypasta meme, use `GNU/Linux` as the passphrase, and extract the embedded payload with stegseek.

steghide jpeg stegseek dawgctf passphrase_stego hint_based_recon linux_meme

hint_interpretationpassphrase_derivationsteghide_payload_extractionfalse_positive_elimination

$ ls tags/ techniques/

steghide jpeg stegseek dawgctf passphrase_stego hint_based_recon linux_meme

hint_interpretationpassphrase_derivationsteghide_payload_extractionfalse_positive_elimination

Analysis

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

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