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Thread: Hashcat not cracking PDF hash
Post: Hashcat not cracking PDF hash
| I'm trying to crack a PDF file (version 1.6). Here are the contents of hash.txt:
Hashcat says it cracked the hash, but there is no password.
PS C:\Users\Dr Dinosaur\Documents\Security\Hashcat> .\c... |
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DrDinosaur |
General Help
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4 |
11,236 |
04-19-2015, 08:36 AM |
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Thread: Hashcat not cracking PDF hash
Post: RE: Hashcat not cracking PDF hash
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epixoip Wrote: (04-19-2015, 08:56 AM)
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First, do not post hashes here.
Second, the answer to this question is found on our FAQ:
https://hashcat.net/wiki/doku.php?id=frequently_asked_questions#... |
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DrDinosaur |
General Help
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4 |
11,236 |
04-19-2015, 09:20 AM |
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Thread: Error running Hashcat
Post: Error running Hashcat
| Hi,
I'm getting the following error running Hashcat 3.1.0:
Code:
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OpenCL Platform #1: NVIDIA Corporation
======================================
- Device #1: GeForce GTX 960M, 1024/4096 MB a... |
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DrDinosaur |
hashcat
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2 |
4,580 |
09-02-2016, 10:33 PM |
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Thread: Error running Hashcat
Post: RE: Error running Hashcat
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atom Wrote: (09-03-2016, 11:26 AM)
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Try with -d 1
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That worked, thanks. |
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DrDinosaur |
hashcat
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2 |
4,580 |
09-03-2016, 08:40 PM |
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Thread: Hybrid attack using rules on a dictionary
Post: Hybrid attack using rules on a dictionary
| I tried running this, but hashcat told me "ERROR: Use of rules-file or rules-generate only allowed in attack-mode 0."
.\hashcat64.exe -m 0 -a 6 -i -r .\rules\dive.rule hashes.txt dict.txt ?a?a
... |
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DrDinosaur |
hashcat
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10 |
14,654 |
12-02-2016, 02:07 AM |
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Thread: Reduced performance
Post: Reduced performance
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Code:
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hashcat (v3.20) starting in benchmark mode...
* Device #2: Old CUDA chipset 3.0 detected, OpenCL performance is reduced.
For ideal hashcat performance on NVIDIA GPU y... |
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DrDinosaur |
hashcat
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4 |
5,923 |
12-02-2016, 07:26 PM |
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Thread: Hybrid attack using rules on a dictionary
Post: RE: Hybrid attack using rules on a dictionary
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atom Wrote: (12-02-2016, 03:46 PM)
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you can do:
Quote:
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hashcat64 -a 6 dict.txt ?a?a -i --stdout | hashcat64 -m 0 -a 0 -r .\rules\dive.rule hashes.txt
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Thanks. Is it not possible t... |
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DrDinosaur |
hashcat
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10 |
14,654 |
12-02-2016, 07:43 PM |
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Thread: Reduced performance
Post: RE: Reduced performance
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atom Wrote: (12-02-2016, 07:30 PM)
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Yes, this GPU has very bad performance when it comes to crypto
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Well, that is unfortunate. Thanks for the info. Do you know of any other GPU instance on AWS ... |
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DrDinosaur |
hashcat
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4 |
5,923 |
12-02-2016, 07:45 PM |
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Thread: Reduced performance
Post: RE: Reduced performance
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atom Wrote: (12-02-2016, 07:49 PM)
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Nope, there's no good AWS GPU. AWS GPU's are good for floating point operations (flops), not raw integer power. In crypto, we need raw integer power.
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Ok, th... |
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DrDinosaur |
hashcat
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4 |
5,923 |
12-02-2016, 07:51 PM |
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Thread: Hybrid attack using rules on a dictionary
Post: RE: Hybrid attack using rules on a dictionary
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atom Wrote: (12-02-2016, 07:50 PM)
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Yes, add --status --status-timer 1 to the 2nd
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That's helpful. Is it possible to get a time estimation as well? |
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DrDinosaur |
hashcat
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10 |
14,654 |
12-02-2016, 07:53 PM |
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Thread: Hybrid attack using rules on a dictionary
Post: RE: Hybrid attack using rules on a dictionary
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atom Wrote: (12-02-2016, 07:56 PM)
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Not with stdin input, because hashcat can't know the number of candidates it will recieve via stdin.
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Can you calculate the number of candidates beforehand ... |
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DrDinosaur |
hashcat
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10 |
14,654 |
12-02-2016, 08:01 PM |
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Thread: Hybrid attack using rules on a dictionary
Post: RE: Hybrid attack using rules on a dictionary
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atom Wrote: (12-02-2016, 08:15 PM)
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Yes, that will work
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Ok, how can you figure out the number of candidates? |
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DrDinosaur |
hashcat
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10 |
14,654 |
12-02-2016, 08:18 PM |
