Forum Moderators: phranque
In the first attempt, it looks like they were trying to run the application cmd.exe to get a listing of your directory. An example and explination can be found here:
[securiteam.com...]
and here:
[packetstorm.securify.com...]
--Edited to add--
Probably a better site:
[securityfocus.com...]
Explains the UNICODE errors in more detail.