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Thread: Hashcat running VERY slow
Post: RE: Hashcat running VERY slow
| what are the number of salts and cost factors of the two runs that you are comparing ?
They must be identical to make any conclusions.
$2a$05$
for instance means 2^5 = 32 iterations, but for ... |
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philsmd |
hashcat
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5 |
2,432 |
05-24-2019, 09:37 PM |
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Thread: Parsing out hashes from single lines
Post: RE: Parsing out hashes from single lines
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Code:
--
egrep -o '[0-9a-fA-F]{32}' md5.sql > md5_hashes_unsorted_ununiqed.hash
--
or even better and much more correct (because otherwise you could get some false positives):
Code:
--
SELECT p... |
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philsmd |
General Talk
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1 |
2,441 |
03-18-2017, 09:13 PM |
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Thread: --increment option
Post: RE: --increment option
| yes, your hcmask file should look like this:
Code:
--
?l
?l?d
?l?l?d
?l?l?l?d
?l?l?l?l?d
?l?l?l?l?l?d
?l?l?l?l?l?l?d
?l?l?l?l?l?l?l?d
?l?l?l?l?l?l?l?l?d
--
references:
https://hashcat... |
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philsmd |
hashcat
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2 |
2,441 |
08-24-2018, 03:38 PM |
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Thread: Kerberos AS-REP Cracking
Post: RE: Kerberos AS-REP Cracking
| The algorithm is of course implemented in OpenCL code: https://github.com/hashcat/hashcat/blob/master/OpenCL/m18200_a3-pure.cl
You could also look at the perl test module: https://github.com/hashca... |
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philsmd |
hashcat
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7 |
2,449 |
02-21-2020, 05:20 PM |
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Thread: Kerberos AS-REP Cracking
Post: RE: Kerberos AS-REP Cracking
| the decrypted bytes do have a specific structure:
https://github.com/hashcat/hashcat/blob/6b8f0da8e9d6a7f40e8376728be10908e7bb4c13/OpenCL/m18200_a3-pure.cl#L157-L167 |
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philsmd |
hashcat
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7 |
2,449 |
02-21-2020, 08:17 PM |
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Thread: Kerberos AS-REP Cracking
Post: RE: Kerberos AS-REP Cracking
| yes, early reject optimizations |
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philsmd |
hashcat
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7 |
2,449 |
02-22-2020, 10:37 AM |
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Thread: old TrueCrypt volumes
Post: RE: old TrueCrypt volumes
| First of all to answer you question, you normally would use a mask attack like this:
Code:
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hashcat64.exe -m 6222 -a 3 --increment --increment-min 9 J:\tc\mooi2009.tc -2 "XxZzJjTtUuQq?d;:,.!@#$%... |
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philsmd |
hashcat
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1 |
2,457 |
11-18-2017, 05:29 PM |
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Thread: Any hashcat user with AMD cards on macOS wanted for troubleshooting
Post: Any hashcat user with AMD cards on macOS wanted fo...
| Unfortunately, the developer team has no such hardware (new Apple iMac or iMac pro or any new high-end macbook with AMD cards) to test some problems with macOS (we believe only latest version and/or n... |
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philsmd |
Beta Tester
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4 |
2,459 |
05-08-2020, 10:45 AM |
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Thread: Any hashcat user with AMD cards on macOS wanted for troubleshooting
Post: RE: Any hashcat user with AMD cards on macOS wante...
| Thanks for the reply. I did test with latest macOS just a few weeks ago (for lastpass app hash extraction investigation) on a mac mini and hashcat definitely did NOT have to be run as root on that sys... |
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philsmd |
Beta Tester
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4 |
2,459 |
05-15-2020, 12:55 PM |
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Thread: Hashtopussy Mask Attack
Post: RE: Hashtopussy Mask Attack
| The problem is that this is not the hashtopussy forum.
Hashtopussy is a 3rd party software. You are asking your question at the wrong place
You should try to find the answers to your questions by ... |
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philsmd |
General Talk
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2 |
2,468 |
02-03-2018, 09:10 PM |
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Thread: Migrating Brain Server Data
Post: RE: Migrating Brain Server Data
| it will probably make some checks (in the future if really incompatible data was found, but of course the goal is to make it downwards compatible for sure) based on the version number see src/brain.c ... |
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philsmd |
hashcat
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8 |
2,475 |
10-12-2019, 09:30 AM |
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Thread: Migrating Brain Server Data
Post: RE: Migrating Brain Server Data
| in the current directory from which you start the brain server:
1. brain.$session.ldmp for the hashed passwords dumps (hash database)
2. brain.$session.admp for the attack positions dumps (attack da... |
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philsmd |
hashcat
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8 |
2,475 |
10-15-2019, 04:31 PM |
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Thread: Migrating Brain Server Data
Post: RE: Migrating Brain Server Data
| the files are only stored on the brain server (not the clients).
there is a default --brain-client-features, namely --brain-client-features 2 . that means that if you do not specify any, it default... |
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philsmd |
hashcat
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8 |
2,475 |
10-15-2019, 05:14 PM |
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Thread: Brain server can't write above 4GB
Post: RE: Brain server can't write above 4GB
| do you say that the release version is not affected or do you just mention the beta because you emphasize that it's a problem that isn't fixed ?
what are your system specs ? enough RAM / disk space... |
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philsmd |
hashcat
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13 |
2,476 |
05-29-2020, 09:11 PM |
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Thread: Brain server can't write above 4GB
Post: RE: Brain server can't write above 4GB
| I guess a developer or at least somebody able to debug the src/brain.c code would need to try to troubleshoot, repdroduce and try to fix this problem.
Are you sure the disk isn't busy writting ?
Why... |
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philsmd |
hashcat
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13 |
2,476 |
05-30-2020, 05:28 PM |
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Thread: Brain server can't write above 4GB
Post: RE: Brain server can't write above 4GB
| very good test. somehow I had a feeling that this could be the case, because these things were stress tested already (but as we can guess now, it was mainly tested on linux systems).
The root cause... |
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philsmd |
hashcat
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13 |
2,476 |
05-31-2020, 08:58 AM |
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Thread: Brain server can't write above 4GB
Post: RE: Brain server can't write above 4GB
| I've now tested with a win10 machine with 8GB RAM (I know it probably should be more for a good test), but the results are similar to yours, my changes:
Code:
--
diff --git a/src/brain.c b/src/bra... |
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philsmd |
hashcat
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13 |
2,476 |
05-31-2020, 01:54 PM |
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Thread: Brain server can't write above 4GB
Post: RE: Brain server can't write above 4GB
| it's actually not a problem if you can't manage to test this patch... it would just make sense to test it further before we include it into the beta versions.
I will probably do some more tests and... |
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philsmd |
hashcat
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13 |
2,476 |
06-01-2020, 11:19 AM |
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Thread: Brain server can't write above 4GB
Post: RE: Brain server can't write above 4GB
| Yeah this seems to be exactly the case. I also did some further checks.
What is weird is that this is neither documented, nor mentioned a lot.
I also tested that the type of the passed numbers (... |
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philsmd |
hashcat
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13 |
2,476 |
05-31-2020, 09:15 PM |
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Thread: Hashcat Segmentation Fault
Post: RE: Hashcat Segmentation Fault
| my bet is that pocl and/or mesa are again the culprit. uninstall them
btw: cracking with a laptop is not a good idea (throttling and cooling issues, destroying the hardware because they are not des... |
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philsmd |
hashcat
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3 |
2,479 |
05-30-2019, 12:06 PM |
