alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Possible BeEF Module in use"; flow:established,from_server; file_data; content:"beef.execute"; pcre:"/^\s*?\(/Rs"; threshold:type limit, track by_src, seconds 300, count 1; classtype:attempted-user; sid:2018090; rev:2; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2014_02_07, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, updated_at 2019_07_26;)