ET WEB_CLIENT The Browser Exploitation Framework (BeEF) Related JS Activity (evercookie)

Query · suricata

flow:established,to_client;
file.data;
content:"var|20|ec|20 3d 20|new evercookie|28 29|"; fast_pattern;
content:"ec.set|28 22|id|22|"; distance:0;
target:dest_ip;
Raw source ET WEB_CLIENT The Browser Exploitation Framework (BeEF) Related JS Activity (evercookie) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET WEB_CLIENT The Browser Exploitation Framework (BeEF) Related JS Activity (evercookie)";
    flow:established,to_client;
    file.data;
    content:"var|20|ec|20 3d 20|new evercookie|28 29|"; fast_pattern;
    content:"ec.set|28 22|id|22|"; distance:0;
    reference:url,beefproject.com/;
    classtype:attempted-user;
    sid:2052504; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2024_05_08, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_08, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;
    target:dest_ip;
)

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