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Thread: Missing characters from hashcat brute-force?
Post: RE: Missing characters from hashcat brute-force?
| Yes, the default incremental mode is not a full brute force, but rather one that is optimized for likely candidates without being exhaustive:
Guess.Mask.......: ?1?2?2?2?2?2?2?3 [8]
Guess.Charset.... |
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royce |
hashcat
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2 |
705 |
05-26-2020, 08:16 PM |
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Thread: Improved Mask Attack
Post: RE: Improved Mask Attack
| Look at the custom character set parameters (-1 / -2 / -3 / -4) |
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royce |
hashcat
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2 |
705 |
05-28-2020, 11:42 PM |
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Thread: How long to decrypt SHA256
Post: RE: How long to decrypt SHA256
| There's no online calculator that I'm aware of.
Just do the math:
1. Calculate how many possibilities your mask will generate. For example, ?a has 95 possibilities, so ?a?a?a?a is 95^4 or 81450... |
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royce |
hashcat
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6 |
1,263 |
05-29-2020, 05:50 PM |
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Thread: How long to decrypt SHA256
Post: RE: How long to decrypt SHA256
| Because of the definition of ?a, as shown in hashcat --help:
Code:
--
- [ Built-in Charsets ] -
? | Charset
===+=========
l | abcdefghijklmnopqrstuvwxyz
u | ABCDEFGHIJKLMNOPQRSTUVWX... |
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royce |
hashcat
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6 |
1,263 |
05-29-2020, 08:30 PM |
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Thread: Hashcat don't use my GPU or my GPU are bottleneck
Post: RE: Hashcat don't use my GPU or my GPU are bottlen...
| Wordlist-only attacks (without additional work like rules or hybrid masks) cannot reach full benchmark speeds, because not enough work (candidate words) can be supplied to keep up with the speed of th... |
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royce |
hashcat
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2 |
735 |
06-05-2020, 03:56 AM |
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Thread: Make a word list with hashcat
Post: RE: Make a word list with hashcat
| It is not possible with 100,000 graphics cards. I encourage you to do the mathematical calculation yourself:
- Test how many hashes per second are possible on your system
- Calculate how many poss... |
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royce |
hashcat
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3 |
910 |
05-26-2020, 08:45 PM |
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Thread: how to use algo new
Post: RE: how to use algo new
| If you mean one of these, hashcat supports it:
* MySQL5 - hashcat mode -m 300
* sha1(sha1(pass)) - hashcat mode -m 4500 |
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royce |
hashcat
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1 |
610 |
06-05-2020, 03:34 PM |
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Thread: htacces crack
Post: RE: htacces crack
| I've redacted your hash. Please read the forum rules:
https://hashcat.net/forum/archive/index.php?announcement-2.html
To identify hashes, check against the hashcat example hashes:
https://has... |
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royce |
hashcat
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1 |
466 |
06-14-2020, 07:04 PM |
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Thread: DES with partial plain text
Post: RE: DES with partial plain text
| Could you elaborate with a hypothetical/contrived example?
It sounds like you *might* be looking for masks. For example, if you know that a password is 10 characters and the first four characters a... |
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royce |
hashcat
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11 |
1,633 |
06-14-2020, 10:36 PM |
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Thread: hashcat -b is not seeing my grahpic card
Post: RE: hashcat -b is not seeing my grahpic card
| FWIW, under Ubuntu 18.04 I'm also able to run hashcat well using the native packages. I have these installed:
Code:
--
$ dpkg -l | grep nvidia | egrep -v '^ii' | cut -b1-80
rc libnvidia-compu... |
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royce |
hashcat
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4 |
892 |
06-15-2020, 05:21 PM |
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Thread: Modify the hash file and continue the attack at the same point
Post: RE: Modify the hash file and continue the attack a...
| I'm not aware of a way to do this.
But wouldn't this mean that all of your previous attack wouldn't ever be applied to the new hash? |
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royce |
hashcat
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3 |
662 |
06-22-2020, 08:31 PM |
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Thread: What does this hashcat outupt mean?
Post: RE: What does this hashcat outupt mean?
| They are the ones that have actually been applied. :)
The phrasing could be more clear - I'll propose something better.
Thanks for the question - this will hopefully make things more clear for o... |
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royce |
hashcat
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2 |
623 |
06-23-2020, 10:08 PM |
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Thread: HashCat without GPU. Is it possible to increase speed?
Post: RE: HashCat without GPU. Is it possible to increas...
| No, SVGA is a very low-level emulated GPU, and does not have OpenCL or CUDA support. |
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royce |
hashcat
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2 |
556 |
06-28-2020, 07:17 PM |
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Thread: How to increment in the middle of a mask?
Post: RE: How to increment in the middle of a mask?
| Masks, and the incrementing if them, are both per-position - you would need multiple masks to represent the range it looks like you're wanting:
?u?l?l?l?l?l?d?d?s would cover Aaaaaa11! through Zzzz... |
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royce |
hashcat
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5 |
856 |
07-04-2020, 11:58 PM |
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Thread: How to increment in the middle of a mask?
Post: RE: How to increment in the middle of a mask?
| Yes, you can put them in a file, and then use the filename instead of the mask. |
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royce |
hashcat
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5 |
856 |
07-05-2020, 01:21 AM |
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Thread: How to increment in the middle of a mask?
Post: RE: How to increment in the middle of a mask?
| Why did you cross-post this question on the Security SE?
https://security.stackexchange.com/questions/234231/hashcat-how-to-increment-in-the-middle-of-a-mask |
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royce |
hashcat
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5 |
856 |
07-05-2020, 02:39 PM |
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Thread: False Positives
Post: RE: False Positives
| Depends on what you mean by "false positive". :)
For some hash types, hashcat will automatically show all collisions that it discovers. (You can also get this behavior for other hash types with --k... |
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royce |
hashcat
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3 |
658 |
06-16-2020, 04:03 PM |
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Thread: Copy and reuse dictionary cache
Post: RE: Copy and reuse dictionary cache
| That's ... a big wordlist. This isn't a direct answer to your question, but you might consider:
- Splitting your dictionary into multiple chunks, using the `split` command on Unix-likes
- If the w... |
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royce |
hashcat
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23 |
2,533 |
07-10-2020, 01:59 AM |
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Thread: Copy and reuse dictionary cache
Post: RE: Copy and reuse dictionary cache
| My having explicitly said "This isn't a direct answer to your question" isn't exactly "completely ignoring" your question, yes?
The canonical solution to this problem is to not do what you're doing... |
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royce |
hashcat
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23 |
2,533 |
07-10-2020, 03:18 AM |
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Thread: Copy and reuse dictionary cache
Post: RE: Copy and reuse dictionary cache
| rli is for deduplication *across files* - see this example: https://hashcat.net/wiki/doku.php?id=hashcat_utils#rli
If you use 'split', you don't have to re-sort. Just use 'split' to take your exist... |
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royce |
hashcat
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23 |
2,533 |
07-10-2020, 05:50 PM |
