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Sunday, April 20, 2014
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HellBound Hackers | Computer General | Trouble Shooting

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John The Ripper Problem


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Posted on 04-12-09 17:04
Hey, I'm trying to get JTR (windows version) to work and everytime I type 'john' into cmd, it spits out an "access denied" error.

So I navigated to it in explorer and I have no permissions for the john-386 file whatsoever (it also says its Unable to display current owner) , even when I log into the actual Administrator account on my computer. Im on Vista by the way.

Any ideas what is causing it, or am I just not seeing something really simple? I've used it before and it worked fine, although that was back on XP.

Thanks.

Edited by on 04-12-09 17:05
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RE: John The Ripper Problem

ynori7
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Posted on 04-12-09 17:07
From what I recall, there isn't a version of JTR that works on Vista. At least there wasn't last time I checked anyway.


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RE: John The Ripper Problem


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Posted on 04-12-09 17:21
Crap :ninja: Do you know of an alternative by any chance?
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RE: John The Ripper Problem


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Posted on 04-12-09 18:09
cain and able? I don't know too much about windows, what you cracking md5? then plenty of online crackers and other software.

You could always run jtr on a linux box? say even a live cd( expect a significant performance decrease.)


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RE: John The Ripper Problem


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Posted on 04-12-09 18:17
PassPro is the best windows alternative to JTR Ive found. It supports many different types of hashes.

But as wolfman said, if its a generic MD5: online tables are much faster and better imo.

http://plain-text. . .
http://www.hashki. . .

Also dont forget to just google the hash, often times, it will lead you to the plain text of it as someone else has already cracked it.


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RE: John The Ripper Problem


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Posted on 04-12-09 18:43
Actually looking to crack DES. I've had to leave out Basic Challenge 12 since I can't get JTR to work and go on to 13 through 17 so far.

I'll have a look at some alternatives later on. Thanks for the replies.Smile
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RE: John The Ripper Problem


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Posted on 04-12-09 18:45
25 lines of C.
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RE: John The Ripper Problem

ynori7
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Posted on 04-12-09 18:54
Emerson wrote:
Actually looking to crack DES. I've had to leave out Basic Challenge 12 since I can't get JTR to work and go on to 13 through 17 so far.

Pretty sure I just googled the hash for that one and found the answer. That method works for pretty much every challenge on this site that requires hash cracking.


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RE: John The Ripper Problem

fuser
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Posted on 05-12-09 04:16
if you're on Vista, try running the command prompt as administrator, and then run JTR. I'm just giving a suggestion, I haven't used neither JTR nor Vista in a long time.


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RE: John The Ripper Problem


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Posted on 05-12-09 15:51
Turned on the computer today and JTR worked without a hitch. Didn't change a thing. :whoa:

Probably look at some alternatives incase it happens again, but thanks to everyone for the replies.
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RE: John The Ripper Problem

mido
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Posted on 06-12-09 15:07
Emerson wrote:
Turned on the computer today and JTR worked without a hitch. Didn't change a thing. :whoa:

Probably look at some alternatives incase it happens again, but thanks to everyone for the replies.


I do not use Vista, but apparently it had been blocked by a firewall or something like windows defender. And then has been marked as safe/trusted. Or you were not an administrator then, either you or a virus.


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