I'd like to provide some general information on the topic. Here it is:
GBRAR seems to be a term related to wireless network cracking, possibly a specific technique or tool. I couldn't find much information on this term. It's possible that it's a custom or proprietary technique or tool. wpa psk wordlist 3 final 13 gbrar top
The "3 Final 13" part seems to refer to a specific subset of a wordlist, possibly a top 13 list of commonly used passwords or passphrases, narrowed down to a final set of 3. Without more context, it's difficult to provide more information. I'd like to provide some general information on the topic