ET WEB_CLIENT The Browser Exploitation Framework (BeEF) Module in use

Query · suricata

flow:established,to_client;
file_data;
content:"beef.websocket.send"; fast_pattern;
pcre:"/^\s*?\(/Rs";
content:"beef.encode.base64.encode";
pcre:"/^\s*?\(/Rs";
Raw source ET WEB_CLIENT The Browser Exploitation Framework (BeEF) Module in use · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> $HOME_NET any (
    msg:"ET WEB_CLIENT The Browser Exploitation Framework (BeEF) Module in use";
    flow:established,to_client;
    file_data;
    content:"beef.websocket.send"; fast_pattern;
    pcre:"/^\s*?\(/Rs";
    content:"beef.encode.base64.encode";
    pcre:"/^\s*?\(/Rs";
    classtype:attempted-user;
    sid:2024415; rev:3;
    metadata:affected_product Windows_Client_Apps, attack_target Client_Endpoint, created_at 2017_06_19, deployment Perimeter, deployment Internal, performance_impact Moderate, confidence Medium, signature_severity Major, updated_at 2026_08_14;
)

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