wp-login.php bloating log files every 20-30 seconds
So what I do is I just redirect anything requesting a WordPress-ish thing to WordPress.com (that's what they are looking for, after all...). You can see how to do that here if you're using Nginx:

https://github.com/nystudio107/nginx-craft/blob/master/sites-available/somedomain.com.conf#L67