alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SERVER SQLi - SELECT and sysobject M1"; flow:established,to_server; http.uri; content:"SELECT"; nocase; content:"sysobjects"; distance:0; nocase; classtype:attempted-admin; sid:2017330; rev:3; metadata:created_at 2013_08_15, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_21;)