Crack5 - feedback for uncracked users

Crack5 - feedback for uncracked users

Post by Des Wats » Fri, 03 Jan 1997 04:00:00



I'm sure I must be missing something really obvious - but I can't see
just at the moment how crack5 manages to maintain feedback about
"uncrackable" users.  This was implicit in crack4.1.

I'd be very grateful for any words of wisdom on this topic.

Many thanks

Des

 
 
 

Crack5 - feedback for uncracked users

Post by Alec Muffet » Sat, 04 Jan 1997 04:00:00



> I'm sure I must be missing something really obvious - but I can't see
> just at the moment how crack5 manages to maintain feedback about
> "uncrackable" users.  This was implicit in crack4.1.

Ummm.... it *is* kinda of obvious.  

I dropped that functionality as it was causing too many problems to
people.  Sorry if you miss it.  I'm sure we can work something
equivalent out, using "awk" and "diff" if it's important to you...

        - alec

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# If you e-mail a reply to this message, please modify the "To:" address.
# alec muffett, oxford, uk - http://www.users.dircon.co.uk/~crypto/
# below: password cracker in one line of perl; echo guess | perl [args]
perl -nle 'setpwent;crypt($_,$c)eq$c&&print"$u=$_"while($u,$c)=getpwent'

 
 
 

Crack5 - feedback for uncracked users

Post by Claude Scarpel » Thu, 09 Jan 1997 04:00:00





>> I'm sure I must be missing something really obvious - but I can't see
>> just at the moment how crack5 manages to maintain feedback about
>> "uncrackable" users.  This was implicit in crack4.1.

>Ummm.... it *is* kinda of obvious.  

>I dropped that functionality as it was causing too many problems to
>people.  Sorry if you miss it.  I'm sure we can work something
>equivalent out, using "awk" and "diff" if it's important to you...

I'd like to recover this functiunnality.

--
------------------------------------------------------------------------------
Claude Scarpelli                        | Defenestrate: to exit a window
INFOBIOGEN ::= INFOrmatique applique | onscreen. (Time International
l'tude des BIOmolcules et des GNomes      | Vol 146, No. 20, Nov 13, 1995)

 
 
 

1. uncracked passwords processing in Crack 5.0

Hi,

the previous version of Crack (v4) had a possibility of including
noncrackable passwrods in F.merged file. This meant thet if Crack has
finished and it didn't crack some passwords, they were presumed uncrackable,
at least for the specific dictionaries and rules set. Very good - next run of
Crack was warking only on new/changed passwords.

I've just installed Crack v5.0, run it about a week on my ~300 users passwd
file. After it finished and I made "make tidy" I run Crack on the actual
passwd file (some users could change their passwords meanwhile). And what had
happened? Crack started to break all passwords (except those cracked in the
previous run). As far as I didn't add any dictionary and/or rule, it makes no
sense - Crack will NOT break these passwords by any way. So why should I wait
another week instead of waiting one day for braking 3 passwords that have
been changed since last Crack run?

Does anybody have any idea how to automagically include uncrackable passwords
in the F-merged file ?

                                        TIA, Grzesiek
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