Clear it in 3 steps
-
Start the environment
-
Investigate the target
-
Submit the flag
All challenges
In progress
Programming - Custom Protocol Parsing
Mission
protocol.bin is generated from the FLAG injected at startup. Walk length-prefixed KINO frames and XOR-decrypt type=3 payload with 0x23 to recover the flag.
Hints
Hint 1 Show
Inspect protocol.bin and identify the target record
Hint 2 Show
walk length-prefixed KINO frames and XOR-decrypt type=3 payload with 0x23
Hint 3 Show
Verify that the reconstructed value has FLAG{...} format