[CentOS] What is someone trying to do?

Sun Jun 12 01:41:34 UTC 2011
Barry Brimer <lists at brimer.org>

> My Logwatch was very long today with 404 requests to the Apache server. I dont understand what the person was trying to do by what they were attempting to access. Can anyone explain a method to their madness? The whole things seems weird...
>
> Requests with error response codes
> 404 Not Found
> /!document.body: 1 Time(s)
> /.exec: 1 Time(s)
<snip>

Probing your web server for known vulnerabilities/information gathering.