alert http $HOME_NET any -> any any (
msg:"ET WEB_CLIENT The Browser Exploitation Framework (BeEF) Style Request (GET)";
flow:established,to_server;
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;
threshold:type limit, track by_src, seconds 20, count 1;
reference:url,github.com/beefproject/beef;
classtype:attempted-user;
sid:2038615; rev:2;
metadata:attack_target Client_Endpoint, created_at 2022_08_25, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_08_14;
)