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Date: Mon, 9 Feb 2015 10:17:35 -0500
From: Jordan Cross <crossroc94@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: dmg2john.py Text file rendering
The version that I am using is
"John the Ripper password cracker, ver: 1.7.9-jumbo-7 [macosx-x86-64]"
On Sun, Feb 8, 2015 at 11:27 AM, Solar Designer <solar@...nwall.com> wrote:
> Jordan,
>
> Please see inline:
>
> On Fri, Jan 30, 2015 at 11:32:13AM -0500, Jordan Cross wrote:
> > I have a .dmg file that was created through the Mac OS X disk utility and
> > it is about 1.02gb, and I am unsure of which form of encryption that was
> > used. I believe that there are two options during creation: AES 128 and
> AES
> > 256. I am unsure of the version of JTR that I am running, it has slipped
> my
> > mind.
>
> Please either find out which version of JtR you're using (and let us
> know) or download and try a recent version (and let us know which one as
> well). To find out JtR version, run it in a terminal without giving it
> any command-line options. It will print a lengthy usage summary, but
> before that it will also print its version number (you might need to
> scroll up to see it).
>
> > However, the version I have wasn't compiled including dmg2john.py.
>
> dmg2john.py is a script that is run as-is, it is not to be "compiled".
> I guess what you mean is that your version did not include that script.
> However, it might have included dmg2john binary executable, which is
> compiled from some C source files. These two implementations of
> dmg2john provide similar functionality (but there may be differences).
>
> > I wound up getting it from GitHub.
>
> Which branch?
>
> > When running the dmg2john I can successfully get a rendered .txt file.
>
> Great! Now just feed it to a recent enough version of JtR.
>
> > However, the first time I dumped the
> > file in, using single mode, too "excessive hashes" were loaded for
> > cracking.
>
> What do you mean by "too "excessive hashes" were loaded for cracking"?
> What did this look like?
>
> > I canceled that process and tried one more time and now it
> > replies with "No password hashes loaded (see FAQ)"
>
> This suggests that either your password was cracked, or you received
> false positives (although for a .dmg file that is unexpected). Please
> try running "./john --show" on your .txt file (the dmg2john output)?
> Does it print a cracked password? Does that password work? Having
> tried that, you may "rm john.pot" and start over, this time observing
> the behavior more closely so that you can report it to us in here.
>
> > Can anyone explain to me what's going on?
>
> Definitely some confusion is going on. Other than that, it's unclear.
> Let's find out, or avoid the problem by using a newer version.
>
> Alexander
>
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