bin200 is program that prints nonsense forever and prints the key if sent a SIGALARM.
We take a look at this program and very quickly see that its doing tricky stuff with signals and otherwise loops forever, printing nonsense. Looking at
catch_alarm, we see it de-obfuscates and prints a string depending on what signal it catches. As it turns out, it just dumps the key if sent a SIGALARM.
1 2 3 4 5 % ./testa & You probably thought that this deer was alive. % kill -24 %1 MCA-225D4AFD % kill -9 %1