Flatpack-522.rar «SECURE - VERSION»

# 3. (Optional) Look for hidden data in the cover image # zsteg -a cover.png # just for curiosity

$ binwalk mystery.bin Output:

The archive is deliberately obfuscated: it contains a password‑protected inner RAR, a steganographically‑hidden image, and a small custom‑packed executable that must be run in a controlled environment. $ file flatpack-522.rar flatpack-522.rar: RAR archive data, version 5, created Tue Sep 5 13:42:10 2023, encrypted flatpack-522.rar

$ steghide extract -sf cover.png -p "" -xf hidden.txt (If steghide asks for a password, just press Enter – it’s not password protected.) a steganographically‑hidden image