alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Observed Suspicious UA (Http-connect)"; flow:established,to_server; http.user_agent; bsize:12; content:"Http-connect"; classtype:bad-unknown; sid:2029752; rev:2; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2020_03_30, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2024_03_24;)