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PostPosted: 10 Dec 2007, 21:19 
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Shoulder Surfer

Joined: 10 Dec 2007, 20:16
Posts: 1
Hi,
I'm new to this project and I have some questions. I read some articles and many info and i would like to know if it is possible to crack by this DistrRTgen(rainbow tables) hash created by Linux - FreeBSD MD5. It is "$1$ salt $ hash". Is it possible and if it is can u tell me how to submit this kind of hash password to DistrRTgen cause i tried to submit it by client and by website. I heard that salt makes cracking harder but in client there is some division in hash type , hash and salt.
I made all steps which were mentioned in main page and i still cannot submit it. Client doesn't work at all and the website gives message that it cannot find hash. My pass hash is $1$aOt7cely$BlSDARE/DgHRtJ4PJaEti/ so if it is possible to crack it plz write me how to submit it.

P.S.
I used search on this forum and i could not find anything so plz give me some good info.


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Posted: 10 Dec 2007, 22:15 


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PostPosted: 10 Dec 2007, 22:15 
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Rainbow Table

Joined: 18 Oct 2007, 19:30
Posts: 317
Your hash is salted and can't be cracked with RT.
The best way to crack it is JTR


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PostPosted: 11 Dec 2007, 00:36 
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Guesser

Joined: 19 Oct 2007, 07:27
Posts: 40
pointp is on the ball. The salt is 8 characters mixalpha-numeric, so unless the password is incredibly short (ie 1 character!) it's pretty well infeasible to generate tables with long enough character lengths to crack it.


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PostPosted: 11 Dec 2007, 14:05 
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MΩth √G∑∏∫∪≤

Joined: 03 Dec 2007, 11:37
Posts: 1061
Download MD Crack from: http://mdcrack.openwall.net
and run this in a command prompt
MDCrack-sse.exe --algorithm=FREEBSD --charset=abcdefghijklmnopqrstuvwxyz $1$aOt7cely$BlSDARE/DgHRtJ4PJaEti/

*** Note ***
If you have a P4 with hyper threading run 2 benchmarks
MDCrack-sse.exe --benchmark=2
MDCrack-sse.exe --benchmark=2 --threads=1
and look for the speeds for 'FreeBSD MD5'
I get 4,500 hashes/sec with one thread and 2,100 hashes/sec with the default two threads on a 2.8 GHz P4.
FreeBSD MD5 is ridiculously slow, it's purpose is to deter people from cracking passwords.

MD Crack is actually one of the fastest MD5 crackers. There's only one that I know of that can beat it... Mine, by about 40%. Although my code is in the state of proof of concept and not a cracker, it still is 40% faster at 12.8 million 'MD5 crack hashes'/sec or 9.8 million 'MD5 full hashes'/sec.

Quote:
The best way to crack it is JTR - pointp
Ohh wow I'm slow I just realized that's John The Ripper.

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PostPosted: 11 Dec 2007, 14:40 
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Shoulder Surfer

Joined: 05 Dec 2007, 23:36
Posts: 8
So are we going to see this code talk? or just walk : >

I would love to see a multi-threaded md5 bruteforce tool that can run whole lists of md5's at a time.


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PostPosted: 12 Dec 2007, 01:21 
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MΩth √G∑∏∫∪≤

Joined: 03 Dec 2007, 11:37
Posts: 1061
Well I emailed the guy that made MD Crack but he hasn't replied. I told him how to make his code faster because I figured out how his code is and it is just like mine except he needs to add MMX instructions interlaced with his current SSE2 code. I made an awesome picture of why this works. http://funprogs.topcities.com/tmp/mmxsse2.html Yes I know my site sucks I haven't touched it in like 4 years well besides just recently. Ohh right it's in my tmp folder so if you're looking at this post and it's like 2009 it's probably not there.

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PostPosted: 12 Dec 2007, 02:41 
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Shoulder Surfer

Joined: 01 Nov 2007, 02:24
Posts: 15
Get a field-programmable gate array and speed up the process. I already utilize them with Cowpatty.


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PostPosted: 13 Dec 2007, 17:30 
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Shoulder Surfer

Joined: 04 Dec 2007, 09:10
Posts: 5
PrairieFire wrote:
Get a field-programmable gate array and speed up the process. I already utilize them with Cowpatty.

Pretty interesting..
Can you give some info how to do it or any website ?


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PostPosted: 13 Dec 2007, 18:34 
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Shoulder Surfer

Joined: 01 Nov 2007, 02:24
Posts: 15
woverin wrote:
PrairieFire wrote:
Get a field-programmable gate array and speed up the process. I already utilize them with Cowpatty.

Pretty interesting..
Can you give some info how to do it or any website ?

Pico Computing
Has a great selection for people interested in getting into fpga's. I have tried the E12LX25 and liked it. Check out this video at 2:40 mark for view of a similar fpga in action.
More info links:

http://openciphers.sourceforge.net/oc/wpa.php
http://video.google.com/videoplay?docid ... &plindex=0


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