https://crackmes.one/crackme/5aef37c733c5d41ac64b492e
printf 540 | ./crackMe1.bin
https://crackmes.one/crackme/5b1403c633c5d41557b02273
printf '%s\xf3\x57\x55\x55\x55\x55\x0a\x00' $(python -c 'print("_" * (176 + 4 * 2), end="")') | ./a.out
ASLR disabled