alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SERVER sumthin scan"; flow:established,to_server; content:"GET"; nocase; http_method; content:"/sumthin"; nocase; http_uri; reference:url,www.webmasterworld.com/forum11/2100.htm; classtype:attempted-recon; sid:2002667; rev:38; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)