alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"🐾 - ℹ Trend Micro 🇯🇵 Antivirus 🛡"; flow:to_server, stateless; threshold:type limit, track by_src,count 1, seconds 86400; http.host.raw; content:"trendmicro.com"; http.user_agent; content:"TMUFE"; reference:url,https://www.trendmicro.com/; metadata:created_at 2022_10_21, updated_at 2022_10_21; sid:3300759; rev:2; classtype:misc-activity;)