We will explain the precautions to take when multiple WordPress sites across the server have been infected (tampered with) by malware.
Tag: WordPress backdoor Page 1/5
This section describes a web shell that can be installed via a vulnerability in WordPress.
Malware infection is not only a WordPress problem, but is common to all CMS. (WordPress stands out because of its overwhelming popularity, but…) There are an increasing number of cases where old Movable Type is left unattended on a server and malware infection spreads to Wo
If you have unused or abandoned WordPress sites on your server, we recommend that you delete them. We will explain the reasons for this and how to delete an abandoned site.
This section explains what to do if you do not know the location of infected malware or if you cannot find it.
We will explain how to find backdoors in a hacked and defaced WordPress site.
This section explains how WordPress customer information can be leaked if WordPress is hacked.
We will explain how an infection (tampering) with the WordPress database can cause the files on the site (server) to be tampered with.
User 123@abc.com, which you don’t remember creating in WordPress, is an admin user that hackers add illegally.
The new WordPress tampering technique, the inclusion of .ccss malware, will be explained.
This section describes the defacing of a WordPress site by adding an unauthorized user.
We will introduce the strongest file write permissions (permissions) to prevent malware infection in cases such as repeated malware infections in WordPress.
Recently, Chinese malware (backdoor) has been spreading through WordPress. We will explain about this malware.
Here are the most common unauthorized accesses that hackers target WordPress as of September 2023.
If there is a one-line include statement @include in the index.php in the top directory of WordPress or in the theme, etc., it is highly likely that the site is infected with malware.
If your WordPress site has been hacked and you think you have removed the tampering, but the site still redirects (forcibly) to another site, the malformed JAVASCRIPT code may still be there somewhere.
Taking advantage of the convenience of being able to operate multiple domain sites under a single server contract, malware today often analyzes the server folder structure and spreads infection from one site to the folders of other sites (domains).
Some of today’s malware is of the type that writes an infinite loop (or delayed process) into the server process and resides there.
