This thing been around for ages.
Not sure that I've even seen one in the past six months.
I'm more curious about the vulnerability (search) term?
Anybody have a clue?
18.104.22.168 - - [14/Sep/2012:11:05:53 +0100] "GET /?author=1 HTTP/1.1" 403 559 "-" "Mozilla/3.0 (compatible; Indy Library)"
author= one thru ten was requested.