Ophcrack is a Windows password cracker based on a time-memory trade-off using rainbow tables. This is a new variant of Hellman's original trade-off, with better performance. It recovers 99.9% of alphanumeric passwords in seconds.


http://ophcrack.sourceforge.net





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Release Date:

2009-07-29

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74% of 1015 users recommend this project
  • Thumbs up

    Excellent software ! The live cd worked perfectly and so did the password research. I even had the possibility to do a little sudoku while the process was running !

    posted by cyrille mailley 90 days ago
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  • Thumbs up

    I recently had someone come to me because they bought a refurbished XP laptop which they forgot the password. I downloaded Ophcrack a while ago but never tried it. I put Ophcrack onto a jump drive and started via jump drive. It did it's thing and we recovered the password within seconds. My friend was happy and so was I. Highly recommend this program!

    posted by Travis Kolden 90 days ago
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  • Thumbs up

    This is amazing software. It cracked a 9 digit password which included a mix of numbers and letters in mere seconds after the Local SAM was registered JUST with the free table included. Computer illiterates can use this code to its full extent as they don't need to know computer jargon as the Local SAM loading option has a pre-written command line to do it for you. Presetting the Ophcrack to fit your computer is a breeze with the application's help page. Pros: *Fast *Powerful PC's aren't needed and older systems will cope easily *Well written help page *User-friendly *Works brilliantly with the free table included with it *Compressed ZIP file is only 5mb and downloads in under a minute through broadband (Kent Uni, 150 kb/s avg.) *Handy uninstall feature so you can hide your misdeeds :P Cons: *Step Four requires computer know-how unless you use Local SAM *Administrator required for pretty much of all of Step Four *Kaspersky restricts it a little bit so turn it off temporarily. It does this with all password crackers. *Vista Free table is a very large file and takes 1 hour to download with broadband (Kent Uni 86kb/s avg.) All in all, I give it a 10/10!

    posted by chichman 92 days ago
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