Clear it in 3 steps
Start the environment
Investigate the target
Submit the flag
All challengesIn progress
Programming - PIN Brute Force
Mission
vault.json is generated from the FLAG injected at startup. Brute-force the 0000–9999 PIN SHA-256 and XOR-decrypt with the matching stream to recover the flag.
Not started
Hints
Hint 1Show
Inspect vault.json and identify the target record
Hint 2Show
brute-force the 0000–9999 PIN SHA-256 and XOR-decrypt with the matching stream
Hint 3Show
Verify that the reconstructed value has FLAG{...} format