Top 10 most common passwords

Discussion in 'The Lounge' started by master_g, Mar 12, 2010.

  1. p1000

    p1000 Member

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    how about no password hahaha
     
  2. kontradictions

    kontradictions Well-Known Member

    Writing a piece of software to crack your password using a brute force approach is a piece of cake.

    Run time would be a few minutes at most.
     
  3. u think?, with the PW above there is 10 decillion combinations brute force works best on dictionary words, to crack the password above using 100,000 machines that each tried to crack the pw 17 billion times and hour at the same time it would take 3,091,150,688,748,980,000,000,000,000 hours, no password hashes to help with a pw like that. (i believe this is based on computers in 2008)

    but you say a few minutes? also im not sure of any websites that let you input a pw over 3 times or there about, cracking offline software is much easier if you have the time.


    you can take a look at the calculator yourself and test your own passwords
    http://www.mandylionlabs.com/documents/BFTCalc.xls
     
  4. let's see who writes the most optimized master_g-password-cracker :shifty:
     
  5. impossible!!, its random, machine vs machine, plus you never know if it was 30 - 40+ characters -kekemad
     
  6. kontradictions

    kontradictions Well-Known Member

    Bwahahahaha.
    The amount of characters a piece of software can store is based on how much physical memory the system has. You willing to come up with a password that's larger than 12gb? You're more than welcome.

    Try all the possible permutations for a 40 character long password? No problem, lets try 41. What else am I going to use a Core i7 clocked @ 4ghz for? :D
     
  7. ^go on then. i double dare ya gfight1

    let me know how it goes
     
  8. kontradictions

    kontradictions Well-Known Member

    Already done. PMing you now...

    The idea behind a brute force approach is very simple. Keep trying until something works. If there are a million possible permutations of your password; fine, we'll try all of it. Computation speeds are so quick on modern computers that, doing stupid amounts of trial and error is a breeze.

    Keep in mind that I'm not trying to threaten you or scare you in any way. I'm just trying to give you an idea of how easy a brute force approach really is. There is no formula or algorithm to follow. Just keep trying until you get it right.

    Don't get me wrong, this really isn't as scary as it sounds.
    Most modern security modules have a lockout feature that will suspend login after x consecutive failed attempts. Windows will lock you out after 3 consecutive failed attempts. This lock out feature pretty much renders the brute force approach useless. There are a few things you can do to keep yourself safe.

    1. Change your password regularly. Regardless of how secure you think it is.
    2. Do not use the same password for different things. It's convenient but once they figure out your password, you're pretty much screwed.
    3. This is to prevent a physical attack but lock down your BIOS. Put a password on it and prevent people from changing the settings.
     
    #28 kontradictions, Mar 16, 2010
    Last edited: Mar 16, 2010
  9. lol i know, this is good stuff, i used to do it back in the day but times have moved on, ok try this then:

    http://www.megaupload.com/?d=UQHW671R

    its a rar file i just made myself, 30 characters, if you can crack that then your the boss for the week. im guessing its easier to crack something offline as websites only give you a limited amount of tries.

    i got the pm, tyty
     
  10. so kontra sent you the correct password?
     
  11. Dav

    Dav Well-Known Member

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    your fault for giving it to me -nono
     
  12. SUSIE-DANG-1988

    SUSIE-DANG-1988 ~ TVB ADDICT ~

    yes, really common! hahas.
     

  13. not yet, according to my calculations, if kontras computer had 200,000 times the power of a regular 2008 pc it would take 1764 35541 59526 14155 25114 years to find the password with brute force software, because i have given kontra the password length he wont have to search for every possibility ranging from 1 - 29 characters before arriving at 30 charters which it is. that will save time, so maybe 10 lifetimes :p, my pc is not as powerful as kontras so i wouldn't even bother trying.

    but seriously, if it can be found i would be very very surprised, the challenge is open to anyone
     
  14. kontradictions

    kontradictions Well-Known Member

    I haven't tried it yet. Been busy with FF13 and I'm getting back to work on the case soon.
     
  15. ok cool, no rush, let me know how it goes
     
  16. lmfao.... the thought of regularly using nonidentical 30 character passwords is mind boggling.......
     
  17. person

    person Well-Known Member

    ... I gotta go change my passwords...

    30 letter passwords is crazy...
     
  18. i dont know my passwords, i use the software, only ones i know are the fail-passwords for stuff i dont care about.
     
  19. spider-man

    spider-man Well-Known Member

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    If your software or a file where you save your passwords doesn't work anymore, you'll lose your passwords. :Talktohand:
     

  20. That's why you make backups and keep them in various places. gfight1