bruteforce attacks to GUI applications

[ework0 <ework0 () gmail com>]

hello, anyone know how can an intruder perform brute force attacks to a
GUI running application (ej: a password login) ?

Let's assume the application is running on Java and the attacker is able
to log in locally, run GUI the application, and perform the attack from
the command shell with a wordlist, how is that possible?

Thanks,

ework0