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AMD 8950 GPU load

July 11, 2013, 4:51 am
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Hi,

I build up a system to run hashcat. i7, 16gb mem, ssd and amd radeon hd 8950. what i notice actually is that the GPU load is fluctuating, from values between 60 and 100%. this happens even when the gpu is at a low temperature (68 degrees). is this behavior expected or is there something i can do to make the load always 100%??

PS running windows 7, and started with a fresh install with bare minimums, didn't get it to run on linux yet.
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Stopping decoding

July 11, 2013, 5:06 am
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Welcome. I use oclHashcat-plus and I have this stuff in the question.
Do you like it decrypts the hash I keep it in the middle of the process off the computer and for some time to enable the program and restart the process from here that I stopped?

Please help!

Sory for my English Smile
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New version of HD 7970

July 11, 2013, 3:55 pm
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MSSQL(2005) (salt.pass) troubles

July 12, 2013, 3:23 am
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Hello guys, have the following mysql 2005 hash that im messing with for a while now

0x01005774701b85a55b3c7926289fXXXXXXXXXXX3521388fecaa8

header is 0x0100 and the salt: 5774701b
what's confusing me is the salt, i did read wiki and other posts but couldn't figure out if i should pass it all together like this

oclHashcat-lite64.exe --hash-type 132 --outfile resultsNEW.txt --gpu-temp-disable --gpu-accel 40 --gpu-loops 1024 0x01005774701b85a55b3c7926289fXXXXXXXXXXX3521388fecaa8 -1 ?l?u ?1?l?l?l?l?l19?d?d

or put salt behind

oclHashcat-lite64.exe --hash-type 132 --outfile resultsNEW.txt --gpu-temp-disable --gpu-accel 40 --gpu-loops 1024 85a55b3c7926289fXXXXXXXXXXX3521388fecaa8:5774701b -1 ?l?u ?1?l?l?l?l?l19?d?d

but in that case i get error with hashcat lite, any advices?
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Error while using Tesla K20c on oclHC+

July 12, 2013, 4:47 pm
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Hi,

I tried running wpa cracking with oclHC+ it fail.

Code:
WARN: NvAPI_EnumPhysicalGPUs() -6 NVAPI_NVIDIA_DEVICE_NOT_FOUND

cudaHashcat-plus v0.14 by atom starting...

Hashes: 1 total, 1 unique salts, 1 unique digests
Bitmaps: 8 bits, 256 entries, 0x000000ff mask, 1024 bytes
Rules: 1
Workload: 16 loops, 80 accel
Watchdog: Temperature abort trigger disabled
Watchdog: Temperature retain trigger disabled
Device #1: Tesla K20c, 4799MB, 705Mhz, 13MCU
Device #2: Tesla K20c, 4799MB, 705Mhz, 13MCU
ERROR: cuMemAlloc() 1

But when i try to benchmark my card with the lite version it works fine.

Can you help me ?

Best,
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NEWB Needs help with OS X Lion hash

July 13, 2013, 10:40 pm
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I have the following OS X Lion hash:
<removed>

What I know:
It is 8 characters long (I've seen it typed, I'm absolutely sure)
Using several mask attacks I know that it is NOT:
?l?l?l?l?l?l?l?d
?u?l?l?l?l?l?l?d
?l?l?l?l?d?d?d?d
?u?l?l?l?d?d?d?d

I figured that these were fairly probable. I have spent the past few days trying different options for figuring out how to crack this hash. So I ask the community for assistance. I am of course interested in the result, but I am also curious in how to get there. How would you proceed from here to crack it? I have also tried several wordlists, but I am much less clear on how to effectively use them. Please help.
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What i am doin wrong

July 14, 2013, 1:38 am
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Progress jumps to 100% in a few secs since start like it cracked them all but that's impossible, what's goin on

.jpg  Untitled.jpg (Size: 275.28 KB / Downloads: 16)
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Error: WARN: ADL_Overdrive5_Temperature_Get(): -5

July 14, 2013, 8:22 am
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mrtg script for monitoring temperature

July 14, 2013, 1:29 pm
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Hi guys,

Been experimenting with different cooling setups and thought this script might be handy for anyone who want to keep an eye on their GPU temperatures. Very quickly put together, but does the job.

Sample:

[Image: Screen_Shot_2013_07_14_at_22_25_42.jpg]

gputemp.sh

Code:
#!/bin/sh
export DISPLAY=:0
amdconfig --adapter=$1 --odgt | grep 'Temperature' | cut -d'-' -f2 | cut -c 2-3
echo 0
uptime | awk '{ gsub(/,/, ""); print $3, $4, $5; }'
uname -n

Then mrtg.conf:

Code:
WorkDir: /var/www/mrtg/

Target[gpu0.temp]: `/path/to/gputemp.sh 0`
MaxBytes[gpu0.temp]: 99
Title[gpu0.temp]: gpu0 Temperature
PageTop[gpu0.temp]: <H1> gpu0 temperature</H1>
ShortLegend[gpu0.temp]: C
YLegend[gpu0.temp]: Celsius
Options[gpu0.temp]: growright,nopercent, nobanner, noinfo, gauge
Unscaled[gpu0.temp]: ymd

... repeat for each gpu you want to monitor and change the parameter in the target (in my case i have 0 till 7).
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Which algorithm for Keepass 1.25

July 15, 2013, 7:01 am
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I am new to hashcat and i tried to get hashcat work with keypass 1.25.

Therefore I extracted some keys with keepass2john and i got the following:

Code:
Database.kdb:$keepass$*1*6000*124*739865959c7cc0a207e5b9fe6a1308eb
*9c290e5865696165d07afa68db6d5b629366dc446a5c249394ae19ad87fdb069
*699237a3196489f95974d2720e96fc1d
*15e2ca4dff022f687e4f108e3668f3dd7ae91529b8daefb6c67e74d9b3551237
*1*1360*8b826116a8dc305222d52....

i tried "9c..." and "15..." with SHA256 (1400) with and without salts. Nothing brought the expected result.

Can someone help me or got a hint which algorithm to use?

Thanks in advance.
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hd 6870 and DES performance

July 15, 2013, 7:10 am
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Hello,
I searched the forum but didn't find anything suitable.
My radeon HD 6870 on ubuntu Linux is doing 23M DES password for second.
Can anyone with similar setup post his DES statistic pls?
raist
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hashcat-lite segfault when done

July 16, 2013, 2:23 am
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Hello,
i'm using hashcat lite and it works fine, only trouble I experience is:
whenever it is done, because it find a hash or because the brute force on mask is complete it crash (segmentation fault).
Then, the computer is not able to dinamically decrease the coolers speed when temperature go lower and they can run indefinitely until I reboot the server.
Linux ubuntu 2.6.32-38-server
latest hashcat
catalyst 13.1

Any ideas how to force cooler stop or to debug hashcat?
Raist
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MaskProcessor Optional Characters

July 18, 2013, 4:52 am
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Hi All,

Just been reading around the net trying to find out a way of specifying an optional character in the MaskProcessor tool. To be clear I basically want to be able to specify that a character might be a "A" (for example) or might not be there at all.

Any idea how I do this or if it is even possible?

Thanks!
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Magento ?

July 18, 2013, 10:57 pm
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Gpu Drivers not Installed Issue

July 19, 2013, 5:36 am
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Hello, I have AMD Radeon HD 6300M Series, I've done all this process without any error, but still when I run oclHashcat it says
Code:
GPU drivers are not installed! oclHashcat-lite will not run.
Refer to: http://hashcat.net/forum/forum-23.html

Can you please help me?
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Rule Generation - Large Prefix + Postfix

July 19, 2013, 8:37 am
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I have a hashfile that has been produced using SHA256(phrase+pass+phrase)

I know the variable phrase and it has 41 characters.

I tried generating a rule using ^ and $ to prefix and append each character but it seems to have a limitation on the total number of characters.

I'm trying to run a test like this
./hashcat-cli64.app -r rules/zerule --stdout wordtesfile

Is there any workaround?
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HMAC-SHA1(key=SHA1(password), data=salt)

July 19, 2013, 7:41 pm
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Hello

I have a set of passwords that are first Hashed with SHA-1, which is then used as a HMAC-SHA1 key with a salt message.

HMAC-SHA1(key=SHA1(password), data=salt)

I know hashcat supports SHA1 and HMAC-SHA1 but I can't seem to find out how to combine these methods in hashcat. Any help?

If for some reason this is not possible in hashcat, can anyone recommend any other cracking tool which would allow me to crack these passwords, or provide any hints to rolling my own software (if necessary)? I am determined to get these passwords..
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5870 or 7970 ?

July 20, 2013, 1:44 am
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Hi,

I currently have a radeon 5870.

http://golubev.com/gpuest.htm Wrote:Single MD5 speed : 5018M

To get more power with oclhashcat, I would like to buy a 7970.

http://golubev.com/gpuest.htm Wrote:Single MD5 speed : 7670M

Is is a good choice ?
There are several models (950Mhz, 1000Mhz, OC edition, Boost edition,...) : which one to choose ?

Any hints about the noisiness ? (in dB)
About the cooling, better than my 5870 ?

Thank you.
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Best for DES?

July 20, 2013, 11:50 am
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Can you recommend a rule or a mask/charset best for DES?

Thank you. I run a Radeon HD 6670, so I am a bit slow.
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hashcat 0.46 memory trouble in cmd file?

July 20, 2013, 8:20 pm
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Today I was running hashcat 0.46 via a batch/command file with a list of 52 rules, and it seemed to be a culprit in crashing my 16 GB Windows 7 Home Premium system. I've run that same batch/command file many times, with past versions, against more hashes, with no problems, so it may a quirk with my system at this point in time, and nothing to do with hashcat.

When it got to only line 9 of 52 lines of rules, the system event log reported this:

Log Name: System
Source: Microsoft-Windows-Resource-Exhaustion-Detector
Date: 7/20/2013 6:33:51 PM
Event ID: 2004
Task Category: Resource Exhaustion Diagnosis Events
Level: Warning
Keywords: Events related to exhaustion of system commit limit (virtual memory).
User: SYSTEM
Description:
Windows successfully diagnosed a low virtual memory condition.
The following programs consumed the most virtual memory:
hashcat-cli64.exe (3780) consumed 40,719,126,528 bytes,
svchost.exe (792) consumed 352,260,096 bytes, and
mysqld.exe (1588) consumed 192,524,288 bytes.


There is a variety of software running, and I have done some hardware changes, recently, too, so this may be a fluke. E.g., my page file may have already been corrupted before this.

But, I want to mention it here, in case anyone else has a similar crash.
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