How can I replace the loading of index.php through .htaccess?

Question

htaccess

There is a site on WP and index.php is constantly changing with the virus code ... I can’t find the virus itself. How can I change the loading of index.php to another one via .htaccess

Answer 1

Of course, it’s better to destroy the virus,
DirectoryIndex fakeindex.php
you can also add a file check in the site directory, for example, if the site at fakeindex.php is dead, then 404.php opens

DirectoryIndex fakeindex.php 404.htm pagenotfound.html indexerror.php