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Date: Mon, 29 Feb 2016 15:07:53 -0500
From: Alex <>
Subject: Re: Cracking zip files


>> After some experimenting, and help from Claudio on this list, I was
>> able to figure out that there's something either wrong with the
>> zip2john file or john itself:
>> $ ./run/john --format:zip --test
>> Will run 8 OpenMP threads
>> Benchmarking: ZIP, WinZip [PBKDF2-SHA1 256/256 AVX2 8x]... (8xOMP) DONE
>> Raw:    10816 c/s real, 2072 c/s virtual
>> $ file
>> Zip archive data
>> $ ./run/zip2john > zipfile.john
>> $ ./run/john zipfile.john
>> Using default input encoding: UTF-8
>> No password hashes loaded (see FAQ)
>> $ cat zipfile.john
>> I also tried creating a new zip file, and it was able to start
>> cracking that one, so I know my installation is working properly.
>> As I mentioned before, the previous install of John I had on the
>> system was able to begin cracking this zip file without problem.
>> Ideas greatly appreciated.
>> Thanks,
>> Alex
> Hi Alex,
> It looks like this bug is fixed now (by jfoug). Can you check it on your
> file just to be sure?

Yes, started it last night and it's on its way, thanks.

I'm thinking the chances are the password that was set was larger than
8 characters. How can I configure John to only choose guesses that are
greater than 8 characters?


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