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www.waraxe.us Forum Index -> All other hashes -> LM and NTLM Hash decryption Goto page Previous1, 2, 3, 4, 5 ... 76, 77, 78Next
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PostPosted: Fri Mar 13, 2009 8:36 am Reply with quote
pierpox
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Joined: Mar 12, 2009
Posts: 7




waraxe wrote:
pierpox wrote:
waraxe wrote:
pierpox wrote:
waraxe wrote:
pierpox wrote:
Hi guys, I'd like to ask an information.I tried to extract from my laptop with windows vista the SAM and SYSTEM files and I have loaded them with ophcrack.On the row with my user name there is just an NT HASH code , all other fields are empty.The strange thing is: calculating the hash code of my vista login password with the MD4 or MD5 algorithm , none of these values matches that of NT HASH.So my question is: what type of information does NT HASH collect about my login password? I thought that NT HASH was the hash code of the password calculated with the MD5 or MD4 algorithm ...can someone give me some advice?


NT hash is basically md4 hash of Unicode password:

http://davenport.sourceforge.net/ntlm.html




Code:

Password: SecREt01

The Unicode mixed-case password is "0x53006500630052004500740030003100" in hexadecimal; the MD4 hash of this value is calculated, giving "0xcd06ca7c7e10c99b1d33b7485a2ed808". This is the NTLM hash.


So if you have simple password, consisting of lower-ascii characters, then just put binary zero after every char and then take md4 hash Smile


thanks for the reply...but using this site http://tools.web-max.ca/encode_decode.php for calculating the md4 hash value of "53006500630052004500740030003100" the result is :"534fa82d2e2feb9904f143b40050b7d3",I don't understand,what is the right value?


I meant binary zero (0x00, \x00, NUL, %00), not literal zero (0x30, "0",%30).


Hi,I'm sorry if I abuse of your patience, Embarassed but can you write the right string on which I have to apply the md4 encoder?Many thanks Very Happy


Most online tools do not work properly with strings containing binary zeros, so you need local test.
For example this is NT hash calculation using Linux shell:

Code:

$ echo -n test | sed -r 's,(.),\1\x00,g' | openssl md4


Do you know if there is a software for windows platform that can be used like the linux comand?And also can you suggest me a good md4 decrypter(possibly using cuda) ? thanks


Last edited by pierpox on Fri Mar 13, 2009 8:48 am; edited 1 time in total
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PostPosted: Fri Mar 13, 2009 8:46 am Reply with quote
pierpox
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Joined: Mar 12, 2009
Posts: 7




Hovewer I tried under my Ubuntu version :

~$ echo -n 53006500630052004500740030003100 | sed -r 's,(.),\1\x00,g' | openssl md4

but the risult is:d2c52d3e23080e55c9824d4dde2fa6d0
not cd06ca7c7e10c99b1d33b7485a2ed808...why?where I wrong?
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PostPosted: Fri Mar 13, 2009 9:09 am Reply with quote
waraxe
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Joined: May 11, 2004
Posts: 2407
Location: Estonia, Tartu




pierpox wrote:
Hovewer I tried under my Ubuntu version :

~$ echo -n 53006500630052004500740030003100 | sed -r 's,(.),\1\x00,g' | openssl md4

but the risult is:d2c52d3e23080e55c9824d4dde2fa6d0
not cd06ca7c7e10c99b1d33b7485a2ed808...why?where I wrong?


Try this:

Code:

$ echo -n SecREt01 | sed -r 's,(.),\1\x00,g' | openssl md4


About CUDA-enabled crackers:

CUDA NTLM multi-hash bruteforcer

http://3.14.by/forum/viewtopic.php?f=8&t=60

I have not tested it though Smile
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PostPosted: Fri Mar 13, 2009 10:44 am Reply with quote
pierpox
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Joined: Mar 12, 2009
Posts: 7




waraxe wrote:
pierpox wrote:
Hovewer I tried under my Ubuntu version :

~$ echo -n 53006500630052004500740030003100 | sed -r 's,(.),\1\x00,g' | openssl md4

but the risult is:d2c52d3e23080e55c9824d4dde2fa6d0
not cd06ca7c7e10c99b1d33b7485a2ed808...why?where I wrong?


Try this:

Code:

$ echo -n SecREt01 | sed -r 's,(.),\1\x00,g' | openssl md4


About CUDA-enabled crackers:

CUDA NTLM multi-hash bruteforcer

http://3.14.by/forum/viewtopic.php?f=8&t=60

I have not tested it though Smile


...many thanks for your support Very Happy ,but I'd like to use a CUDA NTLM multi-hash bruteforcer for my windows vista x64,do you know somone?
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PostPosted: Fri Mar 13, 2009 12:27 pm Reply with quote
waraxe
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Joined: May 11, 2004
Posts: 2407
Location: Estonia, Tartu




pierpox wrote:
waraxe wrote:
pierpox wrote:
Hovewer I tried under my Ubuntu version :

~$ echo -n 53006500630052004500740030003100 | sed -r 's,(.),\1\x00,g' | openssl md4

but the risult is:d2c52d3e23080e55c9824d4dde2fa6d0
not cd06ca7c7e10c99b1d33b7485a2ed808...why?where I wrong?


Try this:

Code:

$ echo -n SecREt01 | sed -r 's,(.),\1\x00,g' | openssl md4


About CUDA-enabled crackers:

CUDA NTLM multi-hash bruteforcer

http://3.14.by/forum/viewtopic.php?f=8&t=60

I have not tested it though Smile


...many thanks for your support Very Happy ,but I'd like to use a CUDA NTLM multi-hash bruteforcer for my windows vista x64,do you know somone?


EGB is CUDA enabled, can crack NT (but not LM) and is compatible with Vista x64 (I'm using it on same platform right now).

http://www.insidepro.com/eng/egb.shtml
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PostPosted: Fri Mar 13, 2009 4:00 pm Reply with quote
darcsacka
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Joined: Mar 12, 2009
Posts: 4




and somebody with my problem?..pls....can i crack somehow..that password?..with that hash..or if i have system file and sam file?.....p.s...bruteforce is taking verry long
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PostPosted: Fri Mar 13, 2009 4:19 pm Reply with quote
waraxe
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Posts: 2407
Location: Estonia, Tartu




darcsacka wrote:
and somebody with my problem?..pls....can i crack somehow..that password?..with that hash..or if i have system file and sam file?.....p.s...bruteforce is taking verry long


I tried my wordlists and bruteforce with EGB but without success. Rainbow tables may help, but currently I don't have them for NT hashes.
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PostPosted: Fri Mar 13, 2009 6:35 pm Reply with quote
pierpox
Regular user
Regular user
Joined: Mar 12, 2009
Posts: 7




waraxe wrote:
pierpox wrote:
waraxe wrote:
pierpox wrote:
Hovewer I tried under my Ubuntu version :

~$ echo -n 53006500630052004500740030003100 | sed -r 's,(.),\1\x00,g' | openssl md4

but the risult is:d2c52d3e23080e55c9824d4dde2fa6d0
not cd06ca7c7e10c99b1d33b7485a2ed808...why?where I wrong?


Try this:

Code:

$ echo -n SecREt01 | sed -r 's,(.),\1\x00,g' | openssl md4


About CUDA-enabled crackers:

CUDA NTLM multi-hash bruteforcer

http://3.14.by/forum/viewtopic.php?f=8&t=60

I have not tested it though Smile


...many thanks for your support Very Happy ,but I'd like to use a CUDA NTLM multi-hash bruteforcer for my windows vista x64,do you know somone?


EGB is CUDA enabled, can crack NT (but not LM) and is compatible with Vista x64 (I'm using it on same platform right now).

http://www.insidepro.com/eng/egb.shtml


I tried Egb,only for 3 minutes,Sad and I can say that is very good , but you have to buy a license for really using it.However I also tried CUDA-Multiforcer-Windows-0.61 that is freeware,with my gtx 280 I obtained 655M/s

After a little tuning of the program parameters,I reached 700M/s Very Happy
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PostPosted: Mon Mar 16, 2009 7:09 am Reply with quote
mic33
Regular user
Regular user
Joined: Mar 09, 2009
Posts: 11




mic33 wrote:


Excuse me.... do you need time to decode this difficult hash?
Is it possible?
Can you help me, please?
I wait you... you are fantastic!
Thanks very much!!!!
thanks very much



Please, are there some good news for me?...
Thanks in advance!!!!
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Hashes
PostPosted: Tue Mar 17, 2009 12:06 am Reply with quote
gold99
Beginner
Beginner
Joined: Mar 17, 2009
Posts: 1




I've obtained these hashes using Backtrack in my Windows 2003 Server:

Administrator:500:aad3b435b51404eeaad3b435b51404ee:d300cfc9b5df8f8528b7d8e82009b71c:::
Guest:501:aad3b435b51404eeaad3b435b51404ee:31d6cfe0d16ae931b73c59d7e0c089c0:::


Is there any way I decode them? I've tried John the Ripper with no Success.

Thanks
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PostPosted: Sun Apr 12, 2009 2:55 am Reply with quote
hulu142
Beginner
Beginner
Joined: Apr 12, 2009
Posts: 1




Hallo
please help me decrypt this lm and ntlm hash. Thank you very much.

LM-Hash: C11C2308261B7133AAD3B435B51404EE
NTLM-Hash:ECE66666AEB35A2CF5D8908022B8E657
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Help!
PostPosted: Sun Apr 26, 2009 10:34 pm Reply with quote
ritz
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Beginner
Joined: Apr 27, 2009
Posts: 3




Hello,

Can someone please help me with these hashes
LM: FD26E153692C1035A16410F9841D007B
NT: 5E1D1CEF7C646BC0B37694B5E785912D

Thank in Advance!!!
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PostPosted: Tue Apr 28, 2009 7:47 am Reply with quote
waraxe
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Joined: May 11, 2004
Posts: 2407
Location: Estonia, Tartu




hulu142 wrote:
Hallo
please help me decrypt this lm and ntlm hash. Thank you very much.

LM-Hash: C11C2308261B7133AAD3B435B51404EE
NTLM-Hash:ECE66666AEB35A2CF5D8908022B8E657


Plaintext of ECE66666AEB35A2CF5D8908022B8E657 is 110-ali
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Re: Help!
PostPosted: Tue Apr 28, 2009 7:47 am Reply with quote
waraxe
Site admin
Site admin
Joined: May 11, 2004
Posts: 2407
Location: Estonia, Tartu




ritz wrote:
Hello,

Can someone please help me with these hashes
LM: FD26E153692C1035A16410F9841D007B
NT: 5E1D1CEF7C646BC0B37694B5E785912D

Thank in Advance!!!


Plaintext of 5E1D1CEF7C646BC0B37694B5E785912D is L0cal 4dm1n
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Re: Hashes
PostPosted: Tue Apr 28, 2009 7:52 am Reply with quote
waraxe
Site admin
Site admin
Joined: May 11, 2004
Posts: 2407
Location: Estonia, Tartu




gold99 wrote:
I've obtained these hashes using Backtrack in my Windows 2003 Server:

Administrator:500:aad3b435b51404eeaad3b435b51404ee:d300cfc9b5df8f8528b7d8e82009b71c:::
Guest:501:aad3b435b51404eeaad3b435b51404ee:31d6cfe0d16ae931b73c59d7e0c089c0:::


Is there any way I decode them? I've tried John the Ripper with no Success.

Thanks


Guest account has no password, because 31d6cfe0d16ae931b73c59d7e0c089c0 is md4 hash of empty password.
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LM and NTLM Hash decryption
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