Оч.похоже на мой лог..
Такое впечатление, что уроды занимаются перебором возможных директорий
Вот пример, часть (небольшая) запросов с одного IP:
[Fri Nov 05 08:08:57 2010] [error] [client *.*.*.*] File does not exist: /home/***/scripts
[Fri Nov 05 08:08:57 2010] [error] [client *.*.*.*] File does not exist: /home/***/admin
[Fri Nov 05 08:08:57 2010] [error] [client *.*.*.*] File does not exist: /home/***/admin
[Fri Nov 05 08:08:57 2010] [error] [client *.*.*.*] File does not exist: /home/***/admin
[Fri Nov 05 08:08:57 2010] [error] [client *.*.*.*] File does not exist: /home/***/db
[Fri Nov 05 08:08:57 2010] [error] [client *.*.*.*] File does not exist: /home/***/dbadmin
[Fri Nov 05 08:08:57 2010] [error] [client *.*.*.*] File does not exist: /home/***/myadmin
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/mysql
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/mysqladmin
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/typo3
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/phpadmin
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/phpMyAdmin
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/phpmyadmin
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/phpmyadmin1
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/phpmyadmin2
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/pma
[Fri Nov 05 08:08:59 2010] [error] [client *.*.*.*] File does not exist: /home/***/web
[Fri Nov 05 07:56:49 2010] [error] [client *.*.*.*] File does not exist: /home/***/www
[Fri Nov 05 08:08:57 2010] [error] [client *.*.*.*] File does not exist: /home/***/scripts
[Fri Nov 05 08:08:57 2010] [error] [client *.*.*.*] File does not exist: /home/***/admin
[Fri Nov 05 08:08:57 2010] [error] [client *.*.*.*] File does not exist: /home/***/admin
[Fri Nov 05 08:08:57 2010] [error] [client *.*.*.*] File does not exist: /home/***/admin
[Fri Nov 05 08:08:57 2010] [error] [client *.*.*.*] File does not exist: /home/***/db
[Fri Nov 05 08:08:57 2010] [error] [client *.*.*.*] File does not exist: /home/***/dbadmin
[Fri Nov 05 08:08:57 2010] [error] [client *.*.*.*] File does not exist: /home/***/myadmin
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/mysql
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/mysqladmin
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/typo3
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/phpadmin
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/phpMyAdmin
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/phpmyadmin
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/phpmyadmin1
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/phpmyadmin2
[Fri Nov 05 08:08:58 2010] [error] [client *.*.*.*] File does not exist: /home/***/pma
[Fri Nov 05 08:08:59 2010] [error] [client *.*.*.*] File does not exist: /home/***/web