[arpcpro]

hashcat --help

Example for wpa/wpa2 is 2500:
./hashcat-cli64.bin -m 2500 --pw-min=8 --pw-max=8 -a 3 captured_handshake.hccap ?a?a?a?a?a?a?a?a

[Hackaxor]

use OclHashcat to make use of your graphic card for alot faster brute force.

but why brute force and not use a wordlist or dictionary?

[ID10T]

you can Try with hashkiller dude 😏