alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SERVER Recon-ng User-Agent"; flow:established,to_server; http.user_agent; content:"Recon-ng"; reference:url,itbucket.org/LaNMaSteR53/recon-ng/overview; classtype:attempted-recon; sid:2018118; rev:4; metadata:created_at 2014_02_12, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_27;)