alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET WEB_CLIENT BeEF Style Request (GET)"; flow:established,to_server; threshold:type limit, track by_src, seconds 20, count 1; http.method; content:"GET"; http.uri; content:"/dh?bh="; startswith; fast_pattern; content:"&sid="; distance:0; content:"&pid="; distance:0; content:"&pc="; distance:0; content:"&d="; distance:0; content:"&_="; distance:0; reference:url,github.com/beefproject/beef; classtype:attempted-user; sid:2038615; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_08_25, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_25;)