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Thread: Help me with cookie decryption

  1. #1
    Join Date
    Dec 2005
    Posts
    44

    Thumbs up Help me with cookie decryption

    Can any one help me with decrypting a cookie !

    I am trying to exploit the yahoo cookie bug that I have recently found..

    If only I can decipher the cookie..

    Plz help urgently

  2. #2
    Join Date
    Jan 2005
    Posts
    623
    evilopinions

    I'm not "Completely" Finished with my decryptor/encryptor coded from scratch but you can play with it and see if you find any patterns.

    [url]http://www.boninroad.com/tools/converter2.php[/url]

    The cookie value might be a MD5 hash which is impossible to reverse engineer unfortunately. [url]http://www.spitzner.net/md5.html[/url]
    [url=http://www.syntax******.info/tools/services.php]Speed Up Windows XP[/url]
    [url=http://www.syntax******.info/tools/ip.php]Get An Ip Address[/url]
    [url=http://www.syntax******.info/tools/base_converter.php]Base Converter[/url]
    --------------------------------
    [URL=http://www.boninroad.com/syntax******/]Old Site[/URL]
    [URL=http://www.syntax******.info]Comming Soon[/URL]

  3. #3
    Join Date
    Dec 2005
    Posts
    44

    Thumbs up

    Teach me to use that tool !

  4. #4
    Join Date
    Jan 2005
    Posts
    623
    Decryptor/Encryptor

    This is my first time playing with number systems so i decided to write this tool that encrypts/decrypts * String(No White Space ASCII*2) The string can be decimal,binary,base*2,base64,text. If you dont know about BASE number systems i would definately read up on this before using this. After im finished this i will be writing another one that does the same thing for any text, paragraph, etc. To use the tool you input a string in the top blank. You select what the strings current base is with the first dropdown box and select what you would like to translate it into with the second dropdown box. You then hit submit and it will show you the results.

    Like i said im not completely finished because i wrote this from scratch and some things are still a little b***y but for the most part it works. I am also writing my own algorithm to encrypt and decrypt passwords. It will appear as a selection when im finished also. Its open for s***estions...
    [url=http://www.syntax******.info/tools/services.php]Speed Up Windows XP[/url]
    [url=http://www.syntax******.info/tools/ip.php]Get An Ip Address[/url]
    [url=http://www.syntax******.info/tools/base_converter.php]Base Converter[/url]
    --------------------------------
    [URL=http://www.boninroad.com/syntax******/]Old Site[/URL]
    [URL=http://www.syntax******.info]Comming Soon[/URL]

  5. #5
    Join Date
    Dec 2005
    Posts
    44

    Thumbs up Great !

    That is just wonderful.

    I found a few mistakes in reverse decryption but it is amazing !

    You wrote it real good !

    Keep up the good work !

  6. #6
    Join Date
    Jan 2005
    Posts
    623
    I nested a few if statements using my wonderful dyslexic brain ~ when i get time to work on it some more i will fix all the little mistakes. I'll repost when its ready to go~
    [url=http://www.syntax******.info/tools/services.php]Speed Up Windows XP[/url]
    [url=http://www.syntax******.info/tools/ip.php]Get An Ip Address[/url]
    [url=http://www.syntax******.info/tools/base_converter.php]Base Converter[/url]
    --------------------------------
    [URL=http://www.boninroad.com/syntax******/]Old Site[/URL]
    [URL=http://www.syntax******.info]Comming Soon[/URL]

  7. #7
    carlo Guest

    How about.

    How about this tool.

    Its called cookie decoder pro. [URL=http://cookielogger.t*5.com/CookieDecoderPro.zip]GET IT HERE[/URL]

    Try it its kinda cool.


    Carlo
    Last edited by SyntaXmasteR; 12-14-2005 at 06:46 PM.

  8. #8
    Join Date
    Jan 2005
    Posts
    623
    Everything that i have coded should work right. Please let me know if something doesnt convert right and post the example here.

    PS: WHITE SPACE = Decimal Value *2 = BINARY *00000.... white space will make a difference in the conversion equations~
    [url=http://www.syntax******.info/tools/services.php]Speed Up Windows XP[/url]
    [url=http://www.syntax******.info/tools/ip.php]Get An Ip Address[/url]
    [url=http://www.syntax******.info/tools/base_converter.php]Base Converter[/url]
    --------------------------------
    [URL=http://www.boninroad.com/syntax******/]Old Site[/URL]
    [URL=http://www.syntax******.info]Comming Soon[/URL]

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