alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SERVER SQLi - SELECT and sysobject M2"; flow:established,to_server; http.request_body; content:"SELECT"; nocase; content:"sysobjects"; distance:0; nocase; classtype:attempted-admin; sid:2052794; rev:1; metadata:created_at 2024_05_21, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_21;)