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Date: Wed, 26 Mar 2008 22:11:43 +0100
From: "Ronald Brakeboer" <ronald.brakeboer@...cknet.nl>
To: <john-users@...ts.openwall.com>
Subject: passwords with fixed position characters and numbers

Hello,

how to achieve the follwing:

I have a “to be cracked” password wich I know consist of min-max 8
characters 
The format (by social engineering) is always like this: 
pass1234 
(4 alphanumeric -Upper and/or Lower and 4 digits that is) 

I only need some kind of script that generates all possible combinations
from 
aaaa0000 ¬ ZZZZ9999 

I want to use John as a generator for aaaa0000 till ZZZZ9999 and send the
output to –stdout 
so another program (Sipcrack) can crack my own MD5 SIP password (which is
sniffed from my locked SPA3000)
(I asked the company nicely , they wouldn’t give it to me, but told me to
find it myself, welll, not very sure what they ment, I guess this is J 

My knowledge of C is not that great so I kindly and humbly ask if someone
can make this simple script in John for me and publish it to the world
ofcourse.
I can’t seem to modify the existing examples in such way I can do this.
Which sucks bigtime. (selfesteam things etc etc J )
And can someone tell me at what speed those could be generated in theory.
(200.000 a second is about fine)
(Tried it in VB ..max generator could do was 1000 a second. Too Slow.) 

Thanx

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