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Post Author Forum Replies Views [asc] Posted
    Thread: What to watch out for when running two instances of Hashcat at once?
Post: RE: What to watch out for when running two instanc...

I often run more than one simultaneously, either distributing load among GPUs, or else pausing one long-running job to run a short-running job. This is often easier than quitting and restoring. The b...
royce hashcat 8 2,341 01-18-2020, 02:42 AM
    Thread: What to watch out for when running two instances of Hashcat at once?
Post: RE: What to watch out for when running two instanc...

Coloradohusky Wrote: (01-18-2020, 02:48 AM) -- Got it; do they interact well together with the potfile or does --session make them have separate potfiles? I don't believe so, based on the wiki, so wo...
royce hashcat 8 2,341 01-20-2020, 08:34 PM
    Thread: What to watch out for when running two instances of Hashcat at once?
Post: RE: What to watch out for when running two instanc...

slyexe Wrote: (01-18-2020, 02:55 AM) -- I suppose if you're managing a good cracking rig this would make sense. I never thought of that, you got me there. Only having a single card, I wouldn't want t...
royce hashcat 8 2,341 01-20-2020, 08:35 PM
    Thread: TITAN RTX - performance issues?
Post: RE: TITAN RTX - performance issues?

It's OK to use hashcat GUI if it works for what you're trying to do. But many of the things you'll eventually want to do are better done with the command line directly.
royce hashcat 5 2,340 10-29-2019, 06:16 AM
    Thread: Error ejecutando hashcat -m2500 -a 3
Post: RE: Error ejecutando hashcat -m2500 -a 3

En Ingles, por favor. Your video card is too old. Also, your hccap is too old - see https://hashcat.net/q/hccapx
royce hashcat 1 2,337 06-13-2018, 08:13 AM
    Thread: Help me identify encription type
Post: RE: Help me identify encription type

Is that the full hash, or is it redacted?  If the former, note that posting unredacted hashes with unknown corresponding plaintexts is against the forum rules (https://hashcat.net/forum/archive/index...
royce hashcat 3 2,335 11-11-2018, 03:29 PM
    Thread: usr/bin/opencl directory missing abort
Post: RE: usr/bin/opencl directory missing abort

The GeForce 8500 is indeed quite outdated. Also, don't take anything from The-Distribution-Which-Does-Not-Handle-OpenCL-Well (Kali) - its OpenCL is ... questionable. Get a new card (I'd recommend a...
royce hashcat 1 2,328 11-19-2017, 02:23 AM
    Thread: clWaitForEvents(): CL_UNKNOWN_ERROR
Post: RE: clWaitForEvents(): CL_UNKNOWN_ERROR

If it's only happening for certain hash types, it's probably not a driver problem. How many rules are you using? This sounds like there are more end-result rules than will fit in GPU memory.
royce hashcat 6 2,317 10-29-2019, 06:14 AM
    Thread: Hashcat cloud help
Post: RE: Hashcat cloud help

Howtos and examples are plentiful with a simple Internet search. https://medium.com/@iraklis/running-hashcat-v4-0-0-in-amazons-aws-new-p3-16xlarge-instance-e8fab4541e9b Depending on your use cas...
royce hashcat 1 2,311 11-19-2017, 02:11 AM
    Thread: Newbee Question about Requirements(RESOLVED)
Post: RE: Newbee Question about Requirements

You need OpenCL. Download and install what the hashcat.net/hashcat/ page suggests for your platform. The reason why should be easily Google-able, but in a nutshell, it's a unified language for writing...
royce hashcat 2 2,302 04-05-2018, 06:06 AM
    Thread: which version of hashcat should I choose?
Post: RE: which version of hashcat should I choose?

And to clarify, you're almost always better off using the version from hashcat.net rather than the one that's bundled with your OS (for Linux, Windows, and macOS, anyway). The FreeBSD port from the Fr...
royce hashcat 2 2,300 11-19-2017, 01:44 AM
    Thread: Empty PDF password
Post: RE: Empty PDF password

It's possible that the password was added by some tool other than Acrobat. It sounds like you found a workaround with using qpdf?
royce hashcat 1 2,282 11-19-2017, 02:07 AM
    Thread: Problem with scrypt
Post: RE: Problem with scrypt

You might want try your attack against the example scrypt hash listed here: https://hashcat.net/wiki/doku.php?id=example_hashes ... to validate your attack method.
royce hashcat 1 2,271 11-19-2017, 02:36 AM
    Thread: crude shell script for running *all* benchmarks
Post: crude shell script for running *all* benchmarks

Saves one benchmark per file, so if you're troubleshooting something that only dies on some hashes, you can resume efficiently (because it will skip existing benchmark files). https://gist.github.c...
royce User Contributions 0 2,238 11-19-2017, 03:32 AM
    Thread: Installing a new Intel CPU runtime for OpenCL leads to a duplicate CPU platform
Post: RE: Installing a new Intel CPU runtime for OpenCL ...

Good tip - thanks!
royce hashcat 2 2,219 10-29-2018, 04:58 PM
    Thread: Need piping?
Post: RE: Need piping?

You can mix and match as needed - part rules, part external. A pure-rules approach will be fastest.
royce hashcat 3 2,207 11-08-2018, 12:07 AM
    Thread: Help needed.
Post: RE: Help needed.

There's no way to do this with hashcat - it's not a rules-level problem, but an algorithm-level problem. Outside of hashcat, this algorithm isn't natively supported by MDXfind and probably not by H...
royce General Talk 1 2,205 10-03-2017, 08:16 PM
    Thread: Can not crack some example of hashes
Post: RE: Can not crack some example of hashes

Do you get any errors or warnings? What final feedback do you get from hashcat?
royce hashcat 2 2,190 09-12-2018, 08:49 AM
    Thread: keep-guessing + rules?
Post: keep-guessing + rules?

Is there a way to log *all* of the rules that would have cracked a given hash? Would/should --keep-guessing and --debug-mode be combine-able?  It could be quite chatty - being able to ignore ':' ...
royce hashcat 2 2,181 06-18-2018, 10:33 PM
    Thread: keep-guessing + rules?
Post: RE: keep-guessing + rules?

Ha! I'm only about one chapter ahead of you in the book. ;) And guess what? I should have tried it first! :) --keep-guessing  works fine with --debug-mode (for at least some attacks): Code...
royce hashcat 2 2,181 06-18-2018, 11:00 PM