| CrackmesForBeginners (CFB) #1 |
for each character (ch) at index (i) in the username:
val = ((ord(ch) XOR (i + 90)) + 19) & 0xFF
serial += format(val, '02X')
it's simple, you can make a serial for any username. IE:
test:4151423C
or
admin:4E52444743 |
2026-06-02 04:00 |