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8 billion guesses per second?

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caissyd

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Post Tue Aug 27, 2013 12:14 pm

8 billion guesses per second?

Last Saturday, version 0.15 of ocl-Hashcat-plus was release.

If you have a lot of video cards, you should be able to achieve 8 billion password guesses per second. That's fast!!

Full article here.
OSCP, GPEN, GWAPT, GSEC, CEH, CISSP
(aka H1t.M0nk3y)
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unicityd

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Post Tue Aug 27, 2013 12:51 pm

Re: 8 billion guesses per second?

If you cluster multiple GPUs, you can go much higher than that. Last year, Jeremi Gosney built a cluster that could try 350 billion guesses per second for Windows (MD4) hashes.

http://arstechnica.com/security/2012/12/25-gpu-cluster-cracks-every-standard-windows-password-in-6-hours/
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caissyd

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Post Wed Aug 28, 2013 6:41 am

Re: 8 billion guesses per second?

Wow, that's insane!!

I guess it makes algorithms like Bcrypt and SHA512crypt shine (bottom of the article).

Thanks for the link!
OSCP, GPEN, GWAPT, GSEC, CEH, CISSP
(aka H1t.M0nk3y)
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El33tsamurai

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Post Thu Aug 29, 2013 7:18 am

Re: 8 billion guesses per second?

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dynamik

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Post Thu Aug 29, 2013 9:28 am

Re: 8 billion guesses per second?

El33tsamurai wrote:https://aws.amazon.com/ec2/

:-D


Yep, and you can even provision the following for something like $2.10/hour: CG1 Instances are backed by 2 x Intel Xeon X5570, quad-core with hyperthread plus 2 NVIDIA Tesla M2050 GPUs. Not bad at all considering each of those GPUs costs $1k alone. It's obviously not worth it if you're going to be running non-stop for a long period of time, but it's great if you just need to use it here or there. I have an instance I can spin up on-demand, and they only bill you for when it's on. Each session of mine has been around $20.

http://aws.amazon.com/ec2/instance-type ... ce-details
The day you stop learning is the day you start becoming obsolete.

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