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Date: Fri, 21 Aug 2015 07:13:20 +0300
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: Anyone looked at the Ashley Madison data yet?
On Thu, Aug 20, 2015 at 01:15:00PM +0200, Francois wrote:
> I've got ~300 passwords cracked after 12 hours using single mode cracking.
Without interrupting that session (as you won't be able to continue it
without losing a lot of work, because of how "--single" mode works), you
may, as an experiment, start another one (perhaps on another machine)
with single.c: single_process_buffer() patched as follows:
Change line "if (guessed_keys->count)" to "if (0)". This prevents
cracked passwords from being tested against other (unrelated) salts.
Normally, "--single" mode does this, often with much success, but here
the number of salts might be so large that this is limiting the variety
of candidate passwords being tested early on. With this change, you
might receive a greater variety of cracks across the two sessions early
on (but after a while they'll start to overlap more, wasting CPU time).
In fact, it makes more sense to run this patched version only, and then
separately check the cracked passwords against other salts in wordlist
mode (uniq and sort the wordlist based on the number of cracks so far).
> Examples of password found by single mode here:
I understand that all of these must have been in plaintext form
elsewhere in the dump or you wouldn't have cracked them yet, and you
merely matched them against specific hashes and you wisely did not
include that detail in here. So it's not a big deal. Yet let's not be
posting such material in here. I think sorted "top N" lists are fair
game (when you or someone else comes up with those), but these random
samples are better kept off this list (you may blog and link, though) or
someone might end up asking for a john-users posting to be censored.
Alexander
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