alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET SCAN NMAP SQL Spider Scan"; flow:established,to_server; http.method; content:"GET"; http.uri; content:" OR sqlspider"; reference:url,nmap.org/nsedoc/scripts/sql-injection.html; classtype:web-application-attack; sid:2013778; rev:3; metadata:created_at 2011_10_19, confidence Low, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_20;)