"GET //" in Apache access.log

[Nilfred]

Did someone else see this in their access logs?

210.178.65.92 - - [27/May/2005:23:20:21 -0300] "GET //cgi-bin/awstats/awstats.pl HTTP/1.1" 500 461
210.178.65.92 - - [27/May/2005:23:20:23 -0300] "GET //cgi-bin/awstats.pl HTTP/1.1" 500 453
210.178.65.92 - - [27/May/2005:23:20:25 -0300] "GET //cgi/awstats.pl HTTP/1.1" 404 443
210.178.65.92 - - [27/May/2005:23:20:26 -0300] "GET //awstats/awstats.pl HTTP/1.1" 404 447
210.178.65.92 - - [27/May/2005:23:20:27 -0300] "GET //cgi-bin/stats/awstats.pl HTTP/1.1" 200 -
210.178.65.92 - - [27/May/2005:23:20:29 -0300] "GET //stats/awstats.pl HTTP/1.1" 404 445
210.178.65.92 - - [27/May/2005:23:20:30 -0300] "GET //awstats.pl HTTP/1.1" 404 439
210.178.65.92 - - [27/May/2005:23:20:31 -0300] "GET //cgi/stats/awstats.pl HTTP/1.1" 404 449

I just add this code to httpd.conf for prevention:

RedirectMatch 404 ^//.+

I wondering what are the bad guys trying?