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View previous topic :: View next topic Previously unseen PHP encoding, a challenge! Posted: Thu Dec 19, 2013 1:57 pm bs000 Beginner Joined: Dec 19, 2013 Posts: 1 Try and decode this, good luck! If you do manage to decrypt, please name tools :) Posted: Thu Dec 19, 2013 4:51 pm waraxe Site admin Joined: May 11, 2004 Posts: 2407 Location: Estonia, Tartu Just replace "eval" with "print" Code: function check_serial_valid() { $host = $_SERVER['HTTP_HOST']; if (preg_match("/^(www.)(.*)/si", $host, $matches)) { $wwwhost = $host; $nonwwwhost = preg_replace("/^(www.)?/si", "", $wwwhost); } else { $nonwwwhost = $host; $wwwhost = "www." . $host; } if ($_SERVER['HTTP_HOST'] == "localhost" || $_SERVER['HTTP_HOST'] == "localhost:" . $_SERVER['SERVER_PORT']) { return true; } else { if ($serial = wls_get_serial()) { if (function_exists("curl_exec")) { $serial = get_option('wls_license'); $prod_name = LICENSEMANAGER_NAME; //$domain = $_SERVER['HTTP_HOST']; $domain = $_SERVER['SERVER_NAME']; if (substr($domain, 0, 4) == "www.") { $domain = substr($domain, 4);} $userip = isset($_SERVER['SERVER_ADDR']) ? $_SERVER['SERVER_ADDR'] : $_SERVER['LOCAL_ADDR']; $ip = gethostbyname($domain); $validdir = dirname(__FILE__); $validdomain = str_replace("www.", "", $domain); $key_info['key'] = $serial; $key_info['domain'] = $validdomain; $key_info['validip'] = $userip; $key_info['validdir'] = $validdir; $key_info['product'] = $prod_name; $serverurl = "http://shop.wpbuz.com/"; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $serverurl."wp-content/plugins/wp-licensing/auth/verify.php"); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $key_info); curl_setopt($ch, CURLOPT_TIMEOUT, 30); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); $result = curl_exec($ch); curl_close($ch); $results = array(); $result = json_decode($result, true); if($result['valid'] == "true"){ return true; } else { if ($serial == strtoupper(md5($_SERVER['HTTP_HOST'] . "wpDEVpro" . "myb3mb3sc3nt1ks3k4l1w35w35"))) { return true; } elseif (strtoupper(md5($wwwhost . "wpDEVpro" . "myb3mb3sc3nt1ks3k4l1w35w35")) == $serial || strtoupper(md5($nonwwwhost . "wpDEVpro" . "myb3mb3sc3nt1ks3k4l1w35w35")) == $serial) { return true; } else { $key_info['product'] = $prod_name; $serverurl = "http://wpbuz.com/ev/check.php"; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $serverurl); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 43200); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $key_info); curl_setopt($ch, CURLOPT_TIMEOUT, 30); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); $result = curl_exec($ch); curl_close($ch); $results = array(); $result = json_decode($result, true); if($result['valid'] == "true"){ return true; } } } } else { if ($serial == strtoupper(md5($_SERVER['HTTP_HOST'] . "wpDEVpro" . "myb3mb3sc3nt1ks3k4l1w35w35"))) { return true; } elseif (strtoupper(md5($wwwhost . "wpDEVpro" . "myb3mb3sc3nt1ks3k4l1w35w35")) == $serial || strtoupper(md5($nonwwwhost . "wpDEVpro" . "myb3mb3sc3nt1ks3k4l1w35w35")) == $serial) { return true; } } } } return false; } Posted: Sat Dec 21, 2013 12:02 am Cyko Moderator Joined: Jul 21, 2009 Posts: 375 Nice work although I would opt for highlight_string over print/echo anyday, for those unaware of this nifty function refer to php.net to see the benefits/reasons why. 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