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Date: Mon, 10 Sep 2012 02:34:42 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: Cracking Mountain Lion hashes (WIP)
On 10 Sep, 2012, at 2:11 , Alexander Cherepanov <cherepan@...me.ru> wrote:
> On 2012-09-10 03:29, magnum wrote:
>> On 10 Sep, 2012, at 1:20 , Alexander Cherepanov <cherepan@...me.ru> wrote:
>>
>>> On 2012-09-08 15:38, Dhiru Kholia wrote:
>>>
>>>> Sample Output: lulu.plist:$ml$23923$c3fa2e153466f7619286024fe7d812d0a8ae836295f84b9133ccc65456519fc3$ccb903ee691ade6d5dee9b3c6931ebed6ddbb1348f1b26c21add8ba0d45f27e61e97c0b80d9a18020944bb78f1ebda6fdd79c5cf08a12c80522caf987c287b6d
>>>>
>>>> Format : filename:$ml$iterations$salt$hash
>>>
>>> Isn't it better to print user name in the first field as usually done in
>>> other formats?
>>
>> Good catch, the file name is the actual user name so you should strip '.plist' from every entry. This will help Single mode produce much less worthless candidates.
>
> In fact I thought about an attribute 'name' in the source .plist file.
> But it's even better -- there are also attributes 'uid', 'gid',
> 'realname', 'home', 'shell', so full gecos can be constructed.
That is even better, way better!
>> BTW most *2john tools that put the filename in the username field
>> should strip the path for the same reason. I did that to rar2john. The
>> filename might be useful for Single mode, but probably not the
>> [cracker's] full path.
>
> Full path may be good for keeping track which hash is for which file.
> But I'm not sure where it's better to put it.
For rar -hp archives we do this:
archive_name:$RAR3$*type*hex(salt)*hex(partial-file-contents):type::::full_archive_name
The "user name" field is filename without path. The last field (just beyond where Single mode looks) is the full path name.
On a side note, I place "type" in the uid field too. This is so you can put all your rar files in a single infile, but then attack only a certain type (-hp or -p) using the -user option. It's a hack, but it works fine :)
magnum
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