Gooscan is a tool that automates queries against Google search appliances, but with a twist. These particular queries are designed to find potential vulnerabilities on web pages. Think “cgi scanner” that never communicates directly with the target web server, since all queries are sent to Google, not to the target.

(Source: http://johnny.ihackstuff.com/downloads/task,cat_view/gid,16/)

That’s it!!
pavs