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Date: Fri, 22 May 2015 16:48:27 +0200
From: Marek Wrzosek <marek.wrzosek@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Bleeding jumbo now defaults to UTF-8
W dniu 22.05.2015 o 02:32, magnum pisze:
> TL;DR version: If all you care about is ASCII passwords, you can ignore
> this change and stop reading now. Only 0.05% - 5 out of 10,000 -
> passwords in "RockYou" included any non-ASCII character.
>
> BTW on a distantly relevant note, this made my day:
> http://askubuntu.com/questions/625021/how-can-i-make-my-shell-prompt-look-like-a-cheeseburger
>
>
> NEWSFLASH
>
> From today, latest bleeding-jumbo from GitHub defaults to UTF-8. This
> has been deferred for far too long. The code has been there for years,
> only the defaults changed now.
>
> The new defaults (which can be changed in john.conf) are:
> * Input (eg. wordlists, usernames etc) is assumed to be UTF-8.
> * Output to screen, log and .pot file is UTF-8.
> * Target encoding for LM is CP850 (and input will be converted
> accordingly).
> * Internal encoding (eg. for rules processing) is ISO-8859-1. CP1252 is
> a superset and slightly better (for example, it includes the Euro sign)
> but is also a tad slower so is not made the default.
>
> There's also command-line options for using non-default settings in a
> particular session (eg. --target-encoding=cp737 if you target Greek LM
> hashes).
>
> If you maintain several different versions of wordlists, in different
> code pages, you can forget about them and just use one, in UTF-8, from
> now on.
>
> Read more about it in doc/ENCODINGS. For casual use, this change does
> not matter much and these new defaults "just work". If anything, you
> might crack a little more with the new defaults. But in rare cases you
> might get into trouble. Read the docs and use the encoding options. As a
> last resort you can always revert back to the legacy defaults with a few
> edits in john.conf.
>
> The most likely trouble you might get into from this change is if you
> had lots of passwords *with non-ASCII characters* in your existing
> john.pot file. These wont show correctly (and -loopback can't use them
> correctly) unless you fix it. On the other hand, this was the case all
> the time - after this change and with a correct john.pot, things will
> look and work better.
>
> If all of your non-ASCII entries in john.pot is the one same encoding,
> you can just use iconv(1) to convert the file to UTF-8 (but always keep
> a pristine backup!). If there's a mix of encodings, there simply is no
> simple way to fix it other than manually (which was one of the initial
> reasons for implementing codepage support). You are on your own with that.
>
> Oh, and here's an NT hash for you to experiment with:
>
> Administrator:5d7ca68d953e7eb7eb3e5cfb049f79fd
>
> It's a really trivial one, using completely normal characters. Try
> cracking that hash with some other cracker.
>
> magnum
> ɯnuƃɐɯ
>
That's a great news! What is the simplest way to "repair" all.lst from
Openwall?
--
Marek Wrzosek
marek.wrzosek@...il.com
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