Clear it in 3 steps
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Start the environment
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Investigate the target
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Submit the flag
All challenges
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Decrypt Encrypted Disk
Mission
`secret_disk.img` is a genuine LUKS2 container. Brute-force `wordlist.txt` to find the weak passphrase, then decrypt `flag.enc` with it to recover the flag. No mounting or privileges are required.
Hints
Hint 1 Show
secret_disk.img is a real LUKS2 container; inspect its header with cryptsetup luksDump
Hint 2 Show
cryptsetup open --test-passphrase verifies a passphrase without device-mapper (works unprivileged)
Hint 3 Show
Brute-force wordlist.txt to find the passphrase, then decrypt flag.enc (openssl AES) with it