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Message-ID: <2f7ce137fcfa99a569d803d7245a6f01@smtp.hushmail.com>
Date: Tue, 21 May 2019 20:58:15 +0200
From: magnum <john.magnum@...hmail.com>
To: john-users@...ts.openwall.com
Subject: Re: zip2john fails to hash my zip file
On 2019-05-21 10:56, Dudy Dudy wrote:
> I followed your advice and could very easily produce an archive that presents the same problem.
> Using 7zip's UI on Ubuntu, it's easy to create an archive with the following characteristics (mostly default values):
>
> * Archive format: zip
> * Compression level: Normal
> * Compression method: Deflate
> * Dictionary size: 32 KB
> * Encryption method: AES-256
>
> When running zip2john on the resulting file, I get a gigantic hash (several screens) and the final line is:
> ver 81.9 7z2john.zip/7z2john.py is not encrypted, or stored with non-handled compression type
>
> Does this help?
> Is there a way to feed the original information to zip2john?
Thanks, then we should be able to reproduce the problem. I opened an
issue on GitHub for it:
https://github.com/magnumripper/JohnTheRipper/issues/3985
magnum
> ________________________________
> De : magnum <john.magnum@...hmail.com>
> Envoyé : lundi 20 mai 2019 19:48
> À : john-users@...ts.openwall.com
> Objet : Re: [john-users] zip2john fails to hash my zip file
>
> On 2019-05-20 21:30, Solar Designer wrote:
>> This is in addition to magnum's answer (which is correct and
>> JtR-centric, as is most appropriate for this list, but I feel I can add
>> beyond-JtR material as well).
>
> Those additions might be correct or not in this case, I'm not sure
> (anyway they are definitely good things to know).
>
> As far as I understand, nothing in the mentioned zipinfo output confirms
> it's really a pkzip-type file at all (or does it?). In fact (again I'm
> not sure about anything here) off the top of my head the "minimum
> software version required to extract: 5.1" tells us this is likely
> beyond pkzip and more like winzip (but apparently there's no certainity
> it's even that - it could be some mish-mash that only 7z is able to
> produce).
>
> magnum
>
>
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