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Post Author Forum Replies Views Posted [asc]
    Thread: Create custom dictionary
Post: RE: Create custom dictionary

Welcome! Instead of generating a custom dictionary, you're looking for a hybrid or rules-based attack, I think. With these attacks, each word in your dictionary is dynamically modified many times,�...
royce hashcat 8 13,923 04-25-2017, 03:02 PM
    Thread: How to decrypt CSS/CPPM?
Post: RE: How to decrypt CSS/CPPM?

What's the definition of "clean" in this context?
royce General Talk 4 5,241 04-23-2017, 03:17 PM
    Thread: TitleCase rule with non-space chars
Post: RE: TitleCase rule with non-space chars

Yeah, requesting an "e" rule seems useful. I've requested it (#1231 (https://github.com/hashcat/hashcat/issues/1231)) After the current run finishes, --loopback takes the actual plains that you fou...
royce hashcat 5 4,812 04-19-2017, 03:41 PM
    Thread: TitleCase rule with non-space chars
Post: RE: TitleCase rule with non-space chars

Ah, I see. Interesting approach - could be handy. If your target character already exists in the string, you'll get some inexact results, but that might be acceptable. Actual discovered plains can be...
royce hashcat 5 4,812 04-18-2017, 10:51 PM
    Thread: TitleCase rule with non-space chars
Post: RE: TitleCase rule with non-space chars

You can chain a couple of rules together: s- E s - That's - replace all dashes with spaces - title case - replace all spaces with dashes again It would be cool if E could take an argument of what ...
royce hashcat 5 4,812 04-18-2017, 08:07 PM
    Thread: Hashcat clCreateContext(): CL_INVALID_DEVICE error
Post: RE: Hashcat clCreateContext(): CL_INVALID_DEVICE e...

Understood. As far as use of hashcat itself is concerned, you're not doing anything wrong.  And your driver looks current. If you're working from a clean setup as described here (https://hashcat.n...
royce hashcat 3 6,971 04-17-2017, 07:11 AM
    Thread: Hashcat clCreateContext(): CL_INVALID_DEVICE error
Post: RE: Hashcat clCreateContext(): CL_INVALID_DEVICE e...

As you can see from the automatic string substitution that happens here in the forums, The-Distribution-Which-Does-Not-Handle-OpenCL-Well (Kali)'s OpenCL handling is problematic. This problem is almos...
royce hashcat 3 6,971 04-16-2017, 04:45 PM
    Thread: Problems with CRC32
Post: RE: Problems with CRC32

hashcat's crc32 implementation expects a second field.  From the example hashes (https://hashcat.net/wiki/doku.php?id=example_hashes): 5. You can consider the second part as a “salt”. If it is ...
royce hashcat 2 3,970 04-15-2017, 08:03 PM
    Thread: hashcat v3.5.0
Post: RE: hashcat v3.5.0

Thanks especially for sha1crypt! My 3x 1080 FE + 3x EVGA 970 SC benchmarks are here: Raw: https://gist.github.com/roycewilliams/0d6a837a5c47de36f9aa9c7953384017 Table: (one line per total speed): ht...
royce hashcat 9 18,853 04-05-2017, 06:22 PM
    Thread: What GPU and CPU is ideal for Penetration testing role job?
Post: RE: What GPU and CPU is ideal for Penetration test...

PCI-E lanes are good for gaming, but hashcat does not care. x1 would even be sufficient for hashcat. If you intend to use the system for multiple password-auditing purposes, a minimum of x4 might ...
royce Hardware 11 13,250 04-03-2017, 07:24 PM
    Thread: Benchmark 3 x EVGA GTX SC 970s (Blower) SLI x99 DDR4
Post: RE: Benchmark 3 x EVGA GTX SC 970s (Blower) SLI x9...

For future searchers, note that SLI is not necessary for hashcat - and adds overhead that actually impacts performance. Instead, allow hashcat to handle the multiple GPUs directly. https://hashcat....
royce Hardware 5 10,788 04-01-2017, 05:47 AM
    Thread: What GPU and CPU is ideal for Penetration testing role job?
Post: RE: What GPU and CPU is ideal for Penetration test...

It is definitely supported by hashcat. Some benchmarks from @epixoip are here: https://gist.github.com/epixoip/973da7352f4cc005746c627527e4d073
royce Hardware 11 13,250 04-01-2017, 12:01 AM
    Thread: What GPU and CPU is ideal for Penetration testing role job?
Post: RE: What GPU and CPU is ideal for Penetration test...

More cores is good. Current state of the art is NVIDIA (because of the LOPT3.LUT instruction set, I think?)
royce Hardware 11 13,250 03-30-2017, 06:14 PM
    Thread: Invalid argument
Post: RE: Invalid argument

@rico is right - you've got a stray hyphen (or if your filename actually begins with a dash, you'll need to rename it) And I'm sorry to be the bearer of sad news, but your other question is right -...
royce hashcat 8 10,910 03-29-2017, 02:33 PM
    Thread: Pause/ resume with different dictionary
Post: RE: Pause/ resume with different dictionary

I don't know that there's a lot of value in changing the dictionary midstream. If you are 10M lines into your current dictionary when the restore file is updated, and then you quit, change the diction...
royce hashcat 2 3,245 03-29-2017, 02:15 PM
    Thread: What GPU and CPU is ideal for Penetration testing role job?
Post: RE: What GPU and CPU is ideal for Penetration test...

I can't speak to CPU (other than "generally faster is better" and "at least one core per GPU") or RAM (other than "more than 32GB for analyzing big wordlists"). For density (packing a good amount of ...
royce Hardware 11 13,250 03-27-2017, 09:33 PM
    Thread: Invalid argument
Post: RE: Invalid argument

Hmm - interesting. Can you post the full command line (but hiding any sensitive or non-public hashes?)
royce hashcat 8 10,910 03-27-2017, 04:24 PM
    Thread: Is it better to use princeprocessor rather than using Hashcat alone?
Post: RE: Is it better to use princeprocessor rather tha...

I think that maykelbembibre is asking whether using PRINCE recovers more hashes per unit of time? maykelbembibre, "efficiency" may the word that's more commonly used to talk about this. This thread...
royce General Talk 7 7,900 03-27-2017, 04:19 PM
    Thread: Invalid argument
Post: RE: Invalid argument

Works for me, using 3.40 release on Ubuntu: Code: -- $ wget 'https://hashcat.net/misc/example_hashes/hashcat.hccapx' --2017-03-26 16:06:58--  https://hashcat.net/misc/example_hashes/hashcat.hc...
royce hashcat 8 10,910 03-27-2017, 02:08 AM
    Thread: Tailor hashcat for cracking “german” passwords?
Post: RE: Tailor hashcat for cracking “german” passw...

And for bruteforce beyond the basics, see this StackExchange answer (https://security.stackexchange.com/a/154958/6203).
royce hashcat 2 3,338 03-26-2017, 06:52 PM