alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"🐾 - 🚨 SoftPerfect Network Scanner"; flow:to_server, stateless; threshold:type limit, track by_src,count 1, seconds 86400; http.host.raw; content:"www.softperfect.com"; nocase; http.uri; content:"/products/networkscanner/version.txt"; fast_pattern; nocase; reference:url,https://www.softperfect.com/products/networkscanner/; metadata:created_at 2023_06_28, updated_at 2024_02_15; sid:3300086; rev:2; classtype:policy-violation;)