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Date: Thu, 7 Nov 2019 20:02:59 +0000 (UTC)
From: john difool <jdifool2005@...oo.fr>
To: john-users@...ts.openwall.com
Subject: Re: Help needed with with --bilocker: No passwors hash
loaded Error
running now using bitlocker-opencl format!wait and see ;)Thx
Le mardi 5 novembre 2019 à 21:59:44 UTC+1, magnum <john.magnum@...hmail.com> a écrit :
On 2019-11-05 08:27, john difool wrote:
> I didn't copy the whole output or maybe you're right. Anyway here is the full output of the binary I compiled:
> # ./john-1.9.0-jumbo-1/run/john --list=formats
> (...)
> axcrypt-opencl, axcrypt2-opencl, bcrypt-opencl, BitLocker-opencl,
> (...)
>
> I see a lot of opencl but is that correct for bitlocker?
> Anyway:
> ./john-1.9.0-jumbo-1/run/john --format=bitlocker --wordlist=dictionnary.txt target_hashUsing default input encoding: UTF-8
> No password hashes loaded (see FAQ)
I just tried your hash and I can load it just fine using the
bitlocker-opencl format but not the bitlocker CPU format (this is a
known problem with the CPU format). So the above is normal and your
original post also indicated you actually requested use of the CPU
format, which was why it didn't work. Try this:
./john --format=bitlocker-opencl --wordlist=dictionnary.txt target_hash
...or, to auto-detect but still forcing opencl:
./john --format=opencl --wordlist=dictionnary.txt target_hash
magnum
>
> Le lundi 4 novembre 2019 à 15:50:44 UTC+1, Solar Designer <solar@...nwall.com> a écrit :
>
> On Mon, Nov 04, 2019 at 09:29:16AM +0000, john difool wrote:
>> I'm trying to use JtR to uncrypt a bitlocker-ed image disk on Linux (Debian distribution)
>>
>> I've downloaded and compiled last version. Here are some of the output with opencl info
>
> Great.
>
>> in bold characters
>
> You can't really have those on a text only mailing list (no HTML).
>
>> OpenCL support ............................. yes
>
> So yes, you successfully configured for OpenCL, and the build is
> supposed to have that or else it wouldn't complete, which I assume it
> did (since you quoted a gcc invocation late in the build).
>
>>> john --list=formats
>
> However, you don't have any -opencl formats in the output of this
> command. My guess is you ended up running a "john" binary other than
> what you built. Maybe your system has one installed globally.
>
> To use your local build, you probably need something like:
>
> cd ../run
> ./john --list=formats
>
> Note the leading "./", which requests running the program from the
> current directory.
>
>> I've created a dictionary and generated hashes using John2bitlocker but whatever the hash file I use I get an error "No passwors hash loaded". Why is that?
>>
>>> bitlocker2john -i disk.img
>>
>>> cat target_hash
>> $bitlocker$3$16$3adb3d7f8dfbe03dc3f4cef931aad1e9$1048576$12$e04a4339a66cd50162000000$60$1e93c2f48241aa8af137dee6e6aa3ad5584febef62857e0462a674cbe8b21268b1dc7633b302fcc5a268cdd52d44adb5b55cb3e1c082c79d724bc903
>>
>>> john --format=bitlocker --wordlist=dictionnary.txt target_hash
>>
>> Using default input encoding: UTF-8
>> No password hashes loaded (see FAQ)
>
> Some of the subtypes of Bitlocker (non-)hashes are only supported by our
> OpenCL format (thus, bitlocker-opencl), not the CPU format (bitlocker).
>
> So you actually need an OpenCL-enabled build, and I suggest that you
> omit the "--format" option in order to let JtR autodetect whatever
> format will accept the hash without you limiting its possible choices.
>
> The command may be like:
>
> ./john target_hash
>
> You'll add more options after you get this basic invocation working.
>
> I hope this helps.
>
> Alexander
>
>
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