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+--- Thread: Seeking help with slow hashing speeds (/thread-5913.html)
Seeking help with slow hashing speeds - zimbul - 10-01-2016
Hello all,
I'm currently learning about penetration testing and playing around with hashcat. I'm getting pretty abysmal speeds though and can't figure out why.
I'm basically testing a WPA handshake that I captured from my lab wifi router box. I downloaded hashcat 3.10 and I'm currently trying to use the rockyou dictionary file. I read that using rules would enable it to run faster but that doesn't seem to be the case for me.
I have a GTX 970 video card, and using the best64 rule or the d3ad0ne rules both only give me ~170 kH/s. Yet, I can benchmark at over 10.5 MH/s
This is the command I'm running:
hashcat32.exe -m 2500 -r ./rules/base64.rule ./handshake.hccap ./rockyou.txt
It tells me this is going to take almost 2 hours estimated. And the d3ad0ne rule is even worse, it estimates 31 days (but gets the save average speed.
Am I doing something wrong here? Is there something I can do to bump the speed up a bit? I understand from reading that dictionary attacks aren't best suited for GPU hashing, but surely I should be able to get better than a paltry 170 kH/s??
Thanks!
RE: Seeking help with slow hashing speeds - atom - 10-01-2016
The 170 kH/s sounds about right for WPA with a GTX970. Not sure where you got the 10.5 MH/s from, but not from WPA. To test it, run: hashcat32.exe -b -m 2500
And of course it takes longer if you use a rule. It multiplies the keyspace with the number of rules in the rulefile.