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Thread: bruteforce 8 character (uppercase) password

  1. #11
    Good friend of the forums comaX's Avatar
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    Default Re: bruteforce 8 character (uppercase) password

    About the dictionnary attack, it's assuming the WPA is based on a passphrase... Which where I live is pretty much never the case ! And I believe dictionnary attacks are a sub-kind of brute force, so I stand on the point that the only way to crack WPA is brute force !
    (Except if you go in the hole 196-ish thing...)
    Running both KDE and GNOME BT5 flawlessly. Thank you !

  2. #12
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    Default Re: bruteforce 8 character (uppercase) password

    brute force and dictionary attacks are two very different things. A dictionary attack has nothing to do with enumerating every possible combination of characters, unless you generate a list of every possible combination. Even in that case that's still just a brute force list.
    Last edited by 2901119; 05-16-2011 at 05:37 PM.

  3. #13
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    Default Re: bruteforce 8 character (uppercase) password

    I always considered dictionary attacks to be a kind of brute force as well. I may be wrong but its always the way I viewed them. If this is not the case then there are 2 ways of cracking WPA and I stand corrected.

    Quote Originally Posted by 2901119 View Post
    brute force and dictionary attacks are two very different things. A dictionary attack has nothing to do with enumerating every possible combination of characters, unless you generate a list of every possible combination. Even in that case that's still just a brute force list.
    "Never do anything against conscience -- even if the state demands it."
    -- Albert Einstein

  4. #14
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    Default Re: bruteforce 8 character (uppercase) password

    https://www.infosecisland.com/blogvi...y-Attacks.html

    and

    http://en.wikipedia.org/wiki/Brute-force_attack

    and

    http://thehackerslounge.blogspot.com...ruteforce.html

    If you search the backtrack 4 forums this topic has also been covered multiple times where many knowledgeable people come to agree that they are two very different attacks.

    When you break it all down: one attack, if given enough time is guaranteed to work while the other attack only works if the word is in the dictionary file.

    Why do you guys think its called a BRUTE FORCE attack? Certainly not because you're trying a small fraction of possible passwords that you have in a dictionary file, but because you're throwing everything at it and trying all of possible combinations of characters until you do find the right password.
    Last edited by 2901119; 05-16-2011 at 07:06 PM.

  5. #15
    Good friend of the forums comaX's Avatar
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    Default Re: bruteforce 8 character (uppercase) password

    Yeah, I see your point. And I'm not saying they are the same, but very similar since in both case you try a large number of possibilities against a hash (for example). One is just more "intelligent" than the other, even if risks of failure are greater*.

    (*depends on a lot of things though...)
    Running both KDE and GNOME BT5 flawlessly. Thank you !

  6. #16
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    Default Re: bruteforce 8 character (uppercase) password

    Very cool - thanks for clearing that up for me.

    Quote Originally Posted by 2901119 View Post
    https://www.infosecisland.com/blogvi...y-Attacks.html

    and

    http://en.wikipedia.org/wiki/Brute-force_attack

    and

    http://thehackerslounge.blogspot.com...ruteforce.html

    If you search the backtrack 4 forums this topic has also been covered multiple times where many knowledgeable people come to agree that they are two very different attacks.

    When you break it all down: one attack, if given enough time is guaranteed to work while the other attack only works if the word is in the dictionary file.

    Why do you guys think its called a BRUTE FORCE attack? Certainly not because you're trying a small fraction of possible passwords that you have in a dictionary file, but because you're throwing everything at it and trying all of possible combinations of characters until you do find the right password.
    "Never do anything against conscience -- even if the state demands it."
    -- Albert Einstein

  7. #17
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    Default Re: bruteforce 8 character (uppercase) password

    No problem

  8. #18
    My life is this forum Barry's Avatar
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    Default Re: bruteforce 8 character (uppercase) password

    Quote Originally Posted by erhardm View Post
    You probably want to find another way of cracking that WPA passphrase. There are 302231454903657293676544 possible combinations.


    Regards
    Not if you know it's an 8 character all uppercase password. Then it's only 208872064576 combinations.
    Of course, if you really wanted to have some fun, go to Wal-Mart late at night and ask the greeter if they could help you find trashbags, roll of carpet, rope, quicklime, clorox and a shovel. See if they give you any strange looks. --Streaker69

  9. #19
    Good friend of the forums comaX's Avatar
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    Default Re: bruteforce 8 character (uppercase) password

    Quote Originally Posted by Barry View Post
    Then it's only 208872064576 combinations.
    Oh, much better then
    (which it is in fact, given the previous figure... but hell, that's an awful lot too !)
    Running both KDE and GNOME BT5 flawlessly. Thank you !

  10. #20
    My life is this forum Barry's Avatar
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    Default Re: bruteforce 8 character (uppercase) password

    Quote Originally Posted by comaX View Post
    Oh, much better then
    (which it is in fact, given the previous figure... but hell, that's an awful lot too !)
    True, just shows you why wpa2 is such a bitch to crack. It would probably be easier to just watch someone enter the password on their laptop from a spy satellite.....
    Of course, if you really wanted to have some fun, go to Wal-Mart late at night and ask the greeter if they could help you find trashbags, roll of carpet, rope, quicklime, clorox and a shovel. See if they give you any strange looks. --Streaker69

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