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@nvidia69 | |
Anyone know how to crack a password protected Winrar file? |
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46
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@tranie | 27 September 10 |
google it and download the software ![]() |
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@carta | 27 September 10 |
dont bother . get the file somewhere else . it could take you days to crack it
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@mogo | 27 September 10 |
Yes, the new winrar password encryption algorythm is REALLY slow thus making bruteforcing nearly impossible. I and my friend had done a bruteforcing test one month ago. His hardware averaged at around 500million sha1 hashes per second, nearly a billion md5 hashes per second and only a few thousand of winrar hashes per second :/
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@edit.or | 27 September 10 |
it is possible but it would take long,still if your files are worth it,its worth waiting.free versions will usually crack about 3 characters max as far as i know.it gets it pretty fast if the password is 3 characters,but the good thing is that u can set it to work in background and do whatever else on pc for that time however i think you should stay out of resource hungry activities,games n stuff
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@runestar | 28 September 10 |
yeah, don't waste time for something you can get from another source with probably A LOT less effort and time.
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@spartan2 | 28 September 10 |
GPU brute force is the fastest but anything with more than 6 characters or randomised is pointless, even with a powerful GPU managing a few thousand a second on 6 could take half a day, on 7 it could take weeks. Every extra character adds an exponential number of possibilities
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@runestar | 28 September 10 |
nowadays when it's somewhat popular to use URLs as simple passwords, the length+unusual characters make them very strong as a side-effect.
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@spartan2 | 28 September 10 |
Yeah. Anything with more than 6 characters is essentially unbreakable for brute force without a supercomputer currently, which is why most security asks for at least 6 minimum. If you have 7 and there is a mix of punctuation and such it would take a decent GPU a couple weeks on a brute force at best
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@spartan2 | 28 September 10 |
brute force is for dummies ![]() |
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@mogo | 28 September 10 |
At 2000 passwords/sec it'd take 43 hours to crack a 6 symbol password which consists of lowercase letters. Make it lowercase+uppercase+digits and it skyrockets to 328 days.
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@curtlink | 28 September 10 |
Not that posible m8s
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@weater | 28 September 10 |
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@newt182 | 28 September 10 |
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@mogo | 28 September 10 |
Dictionary attack.. Seriously?
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@weater | 28 September 10 |
yip. Human factor. We use simple passwords of names etc because we seem to forget the dufficult out of sorts generated passwords. if you got good dictionarys 7 hours tops its done well thats the longest it ever took me for a rar file belowe 9.
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@metulj | 28 September 10 |
@weater dictionary attack ?? WTF?!?! 8 letter pass.. let's say uper+lower+digits+SOME special signs... it makes around 100 diff signs... now calculate how big dictionary you need...
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@metulj | 28 September 10 |
it would basicly took around 20.000TB of hard drive just to create complete dictionary with 8 simbols ! can you imagine how big all this goes if i set pass with 12 simbols lenght ???!!!
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@metulj | 28 September 10 |
and thats basicly the only reason why rar archive pass CANNOT be taken with dictionary attack.. and thats also the only reason why WPA/2 is so safe.. if you by any chance got clue what that could be...
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@metulj | 28 September 10 |
by the time you could manage to actually create dictionary... file will become old and useless...
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@mogo | 28 September 10 |
Common password dictionary works well if you have a bunch of passwords from different ppl. If you have a single pass to crack you're pretty much screwed :/
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