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Date: Sat, 13 Aug 2011 03:58:21 +0000 (UTC)
From: Donovan <>
Subject: md5(md5($p).$s) - VB

Hi All,

I am an bit lost with " md5(md5($p).$s) " a more particulary VB_hashes.

I am currently on Mac ( Snow Leopard 10.6.8 )

Build : Jumbo 5 compiled : macosx-x86-64

Hashes probleme : md5(md5($p).$s) VB one's...

Here an ex of hashes :


BUT ! can be also ;



I take an look on the Doc about MD5-Generic but don't find the way to advance.

I take an look on signature's & see ;

md5_gen(6) | md5(md5($p).$s)
md5_gen(7) | md5(md5($p).$s)|vBulletin. 3 byte salt, salt uses ':' char


I try to take an look first if i can test it :

new-host-3:run xxxx$ ./john --format='md5_gen(6)' --test
Benchmarking:  md5_gen(6): md5(md5($p).$s)  [SSE2 16x4x2 (intr)]... DONE
Many salts:	10493K c/s real, 10493K c/s virtual
Only one salt:	4037K c/s real, 4037K c/s virtual

new-host-3:run xxx$ ./john --format=md5-gen -sub='md5_gen(7)' --test
Unknown ciphertext format name requested
new-host-3:run xxxxx$ ./john --format='md5_gen(7)' --test
Unknown ciphertext format name requested

I try to add md_gen(7) / even (6) on the start in the hashes file, like ;


I replace the " : " by " $ ", but unfortunately, nothink seem worked.

Have you an idea ?

Thanks a lot in advance for your help,



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