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oclHashcat test file results

October 18, 2015, 6:32 pm
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I'm having difficulty understanding the results from running oclHashcat on the test files included in the oclHashcat distribution, e.g. "example0.hash" and "example.dict". This was my terminal output:

rl@rl-Precision-WorkStation-T7500:~$ sudo '/home/rl/Downloads/cudaHashcat-1.37/cudaHashcat64.bin' -m 0 -a 0 '/home/rl/Downloads/cudaHashcat-1.37/example0.hash' '/home/rl/Downloads/cudaHashcat-1.37/example.dict' 
[sudo] password for rl: 
cudaHashcat v1.37 starting...

Device #1: GeForce GTX 970, 4095MB, 1228Mhz, 13MCU                 
Device #1: WARNING! Kernel exec timeout is not disabled, it might cause you errors of code 702

Hashes: 6494 hashes; 6494 unique digests, 1 unique salts
Bitmaps: 16 bits, 65536 entries, 0x0000ffff mask, 262144 bytes, 5/13 rotates
Rules: 1
Applicable Optimizers:
* Zero-Byte
* Precompute-Init
* Precompute-Merkle-Demgard
* Meet-In-The-Middle
* Early-Skip
* Not-Salted
* Not-Iterated
* Single-Salt
* Scalar-Mode
* Raw-Hash
Watchdog: Temperature abort trigger set to 90c
Watchdog: Temperature retain trigger set to 80c
Device #1: Kernel /home/rl/Downloads/cudaHashcat-1.37/kernels/4318/m00000_a0.sm_52.64.cubin

INFO: removed 1 hash found in pot file

Cache-hit dictionary stats /home/rl/Downloads/cudaHashcat-1.37/example.dict: 1210228 bytes, 129988 words, 129988 keyspace


ATTENTION!
  The wordlist or mask you are using is too small.
  Therefore, oclHashcat is unable to utilize the full parallelization power of your GPU(s).
  The cracking speed will drop.
  Workaround: https://hashcat.net/wiki/doku.php?id=fre...full_speed

                                             
INFO: approaching final keyspace, workload adjusted

                                             
Session.Name...: cudaHashcat
Status.........: Exhausted
Input.Mode.....: File (/home/rl/Downloads/cudaHashcat-1.37/example.dict)
Hash.Target....: File (/home/rl/Downloads/cudaHashcat-1.37/example0.hash)
Hash.Type......: MD5
Time.Started...: 0 secs
Time.Estimated.: 0 secs
Speed.GPU.#1...:   241.0 MH/s
Recovered......: 1/6494 (0.02%) Digests, 0/1 (0.00%) Salts
Progress.......: 129988/129988 (100.00%)
Rejected.......: 0/129988 (0.00%)
HWMon.GPU.#1...: -1% Util, 34c Temp, 28% Fan

Started: Sun Oct 18 21:17:50 2015
Stopped: Sun Oct 18 21:17:52 2015 
rl@rl-Precision-WorkStation-T7500:~$ 

Where's the file or line with the results? Why didn't the program create results for all the hashes?

Thanks in advance.
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$1800 build?

October 20, 2015, 3:42 am
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So we're building a dedicated password cracking machine. 

We have put $1800-2000 aside and the machine is only gonna be used for password cracking. 
Now it's been a long time since I last looked into password cracking, but I remember back then, Radeon was king. 
Is it still king or has Nvidia finally caught up? 

We need to buy everything, since we have no spare parts laying around. 
It will be put in the basement, so noise isn't really an issue. 

If somebody could help us putting a setup together using http://pcpartpicker.com we would be very greatful Smile
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rar2hashcat anywhere?

October 20, 2015, 8:09 am
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hello,
So I'm using rar2john to get the hash of a rar to use with oclHashcat 1.37
I get the Line-length exception 
ERROR: No hashes loaded
The hash that john gives is quite different from the one on the ocl hash examples (taken from the wiki - not a real hash): RAR3-hp $RAR3$*0*45109af8ab5f297a*adbf6c5385d7a40373e8f77d7b89d317
the hash I get is like 

$RAR3$*1*XXXXXXXXXXX*XXXXXXX*XXXXXXXXXXX*XXXXXXXXX*0*XXXX.rar*XXX*XX
Being that the rar function is quite new, I can't find a lot of threads and examples of how to go about this..Does anyone know how to fix the rar2john hash output to use for ocl ?
thanks
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I am looking for a $1000-2000 build to crack hashes please help me hash crackers

October 20, 2015, 3:04 pm
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hello hash crackers, i was wondering, i am looking to build a hash cracking pc for hash cracking.

I am looking to spend $1000-2000 to buy this pc for hash cracking

could you hash crackers pick out these parts i need to build this pc please.


dank u
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Regarding to OS X v10.7/8/9

October 21, 2015, 12:59 pm
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Hello,

I am looking for the algorithm of OS X 10.7/8/9, in C++/python/whatever, I can't find them on internet.

Can anybody share this ?

Maybe atom can extract this from hashcat ? Smile


Thank you.
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Oclhashcat stdin

October 21, 2015, 9:38 pm
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I'm making a python kind of wrapper using subprocess and popen, the problem is that oclhashcat doesn't use stdin so I'm not sure how to pipe it because I don't know what oclhashcat uses. So I guess my question is, what does oclhashcat use since it doesn't use stdin?
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LM Hash cracking

October 23, 2015, 1:22 am
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I'm having trouble cracking LM hashes.

2A7254818C2C9D141E5496692DFE5D5C

E5514B327E21BF327D1516E3B58D27D0

Both of the above hashes when checked I get CC1!YOL6EW as a password.

But I can't crack it even though the password is pretty simple.

If I look at a 3rd hash that has the same value - BDFD25DDC48F801FA7CE84618D9EE602 I don't have a problem cracking it.

I'm probably missing something but Can't figure out what. Any suggestions ?
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Backslash Problem?

October 23, 2015, 7:04 am
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Hi Guys

I'm back testing OclHashcat and I am having a problem.

I was trying to create a mask to crack a password with a "\" backslash in it and it wouldn't work, it kept exhausting.

So I narrowed it down to "\" as the problem and got its NTLM hash as 31D6CFE0D16AE931B73C59D7E0C089C0 and used mask "?s", but it doesn't crack it.

Am I missing something? Is it a forbidden char or something?

Confused.

Thanks in advance

Rob
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Added 2nd Nvidia card…

October 23, 2015, 3:11 pm
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I was happily running cudaHashcat with Ubuntu 14.04 LTS with one Asus Geforce GTX 970 Turbo, and decided to add a second Asus Geforce GTX 970 Turbo. When attempting to run the benchmark in Hashcat I get the following error message:

rl@rl-Precision-WorkStation-T7500:~$ sudo '/home/rl/Downloads/cudaHashcat-1.37/cudaHashcat64.bin' -b
[sudo] password for rl: 
cudaHashcat v1.37 starting in benchmark-mode...



ERROR: No NVidia compatible platform found

rl@rl-Precision-WorkStation-T7500:~$ 

Checking the system setup shows that both video cards are recognized by the computer. Can anyone please point me in the right direction to clear this up? Thanks.
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DES w/mask

October 23, 2015, 4:46 pm
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I'm trying to crack this Solaris 10 DES hash (dKVMJs0zjvzQQ). The password policy on this machine is set to PASSLENGTH=6 so I set the mask to ?a?a?a?a?a?a but oclhashcat never cracked it. I thought that mask pretty much covered all the possibilities but obviously I'm mistaken. What am I doing wrong? Is it the salt that's the problem?
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Bitslice status and broken nvcc

October 24, 2015, 2:04 pm
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For those who aren't following hashcat twitter, I'm experimenting with bitslice for DES/LM (-m 3000) on oclHashcat v1.38. So far everything is working fine but while working on DEScrypt (-m1500) something really strange happend.

I have a test kernel which I am using for my experiments before fully integrating into oclHashcat. I'm using it to identify performance bottlenecks in an early stage. I finalized it and started porting. Ported to AMD, everything is fine. We're at 470mh/s on a single 290x stock clocked (yay worlds fastest!). This is an extreme improvement on which I'm a bit proud because we "only" got 170MH/s on this algorithm so far. Still, I don't know yet how to distribute this kernel because I'm forced to hardcode the salt (and therefor generate 4096 kernels for each architecture). Maybe the distribution as source is the only way to do it. Anyway, I also need to thank Sc00bz for explaining how those e-box are to be used.

Then I started porting to CUDA. But there is the problem, speeds are slower than expected. I guess you all heard the news on 950MH/s with descrypt on a 980Ti etc. I was sceptical with my first implementation so I rewrote the entire thing on CUDA, just to ensure not have a bug somewhere. But no, it turned out there is none. The culprit is nvcc! So what I have here is a kernel who's body is 1:1 the same code on both OpenCL and CUDA (Yes, NVidia has an OpenCL runtime too). When I tested it on NVidias OpenCL, the speed was much better than on their own CUDA?!?! WTH is going on...

To give you some numbers, we're at 73MH/s on CUDA and 110MH/s on OpenCL, measured on a 750Ti. OpenCL speed on a 980Ti is around 350 MH/s. But what I'm trying to say here is that there's something wrong with nvcc compiler. To proof it I had to do some tricks since it's not possible to compile OpenCL code with nvcc but it's possible to dump a OpenCL kernel from NVidias OpenCL runtime! I then have compiled the OpenCL kernel, dumped it, and because it's 1:1 the same code as for CUDA (including the parameters), I was able to load the pure .ptx kernel from cudaHashcat. The resulting speed is about 350 MH/s on CUDA and hashes are cracking.

The problem is the OpenCL runtime for NVidia. There's no way to tell the compiler to generate code for a specific GPU archicture. But due to our binary kernel distribution we really need that feature!

One last thing, I know you're gonna ask: Yes, I'm using lop3 for sboxes. Reported speeds on other projects doing 950MH/s on descrypt or pure DES with lop3 are not reproduceable. Not even the pure sboxes inside a minimalistic kernel on a standalone platform. Feel free to try it yourself. What you really get is 470MH/s on a 290x and 350MH/s on a 980Ti , and just this is some real improvement.
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A mask to match IPv4 maybe?

October 24, 2015, 2:16 pm
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What is the proper way of brute-forcing hashes using all ipv4 addresses as plain-text passwords?

With oclHashcat it can be easily done using a combination mode and two dictionaries, you can read about it here
https://www.phillips321.co.uk/2012/04/04...p-address/

But combination mode for cpu hashcat is different, it takes only one dictionary and attacks with combinations of words in that dictionary.

A dictionary of all ip addresses is going to eat a real lot of disk space, so it is not a good solution. 

Another approach is to use many masks to match various ip formats, like this
?d.?d.?d.?d -> x.x.x.x
...
1?d?d.?d?d.?d?d?d.?d -> 1xx.xx.xxx.x
...
...
?d.?d?d?d.?d?d?d.?d -> x.xxx.xxx.x
...
and so on. 

However, such masks may also match invalid IPs, and it will take many sessions to check all masks. 

So I wonder if there is a more elegant solution.
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can you split up a rule file?

October 24, 2015, 3:03 pm
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I am trying to run some possible passwords through dive.rule but may need to restart my computer.  I don't know of any way to restore a session that is using rules, unless I missed something.  When I do, it starts at zero progress.

Can I safely split dive.rule into several pieces and run each after another?  Thanks.
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going to buy reference gtx 970

October 26, 2015, 8:53 am
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Any other cards or versions I should look at?  I know that nVidia is coming out with new cards but I believe it will be a while yet so not worth the wait.  Just looking for input before I pull the trigger as this is a lot of money for me.  I plan on getting two or three down the line(total).
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Oracle T: type?

October 26, 2015, 7:04 pm
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is site down ?

October 26, 2015, 11:44 pm
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hi all i am new here and i was using  this site  to decrypt my MD5 hash  
http://www.hashkiller.co.uk

but i can not open it any more , it just show me  blank white page . is it down or  is it problem in my pc .

Thanks.
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Nvidia driver

October 27, 2015, 7:20 pm
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The Nvidia driver that Ubuntu loaded was 346.96. Is this version ok with oclHashcat?
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Blockchain method shows as 12700 in example hashes online

October 29, 2015, 8:33 am
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Circumflex character not accepted in oclHashcat 1.37

October 30, 2015, 3:39 am
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Hi,

I'm using oclHashcat 1.37. When I try to use the circumflex character, ^, as part of a custom charset, oclHashcat will not make use of it at all. 

For example:
Code:
> cudaHashcat64.exe -a 3 -m 120 -1 ?l?u?d@!#$%^&*()_+-= hash.txt ?1?1?1?1?1?1


Whether or not I take out the ^, it does not make a difference. Is this a possible bug?
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I been struggling for weeks! Someone please help me!

October 31, 2015, 6:08 am
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Hi everyone, so i have a lot of MD5 Hashed passwords around 20K passwords..

I been searching net to find a solution and everyone was recommending oclHashcat , since i have AMD R9 280X.. So i decided to download it, but now i don't understand it.. I created Hash.txt and Cracked.txt and Wordlist folder. 


What's next?

I have Windows 10 installed..

All Help will be appreciated!

EDIT: I have Wordlist.txt too!
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