ET WEB_CLIENT Evil Keitaro Set-Cookie Inbound (e3b0c4_12)

Query · suricata

flow:established,to_client;
http.cookie;
content:"e3b0c4_12="; fast_pattern;
Raw source ET WEB_CLIENT Evil Keitaro Set-Cookie Inbound (e3b0c4_12) · 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 Evil Keitaro Set-Cookie Inbound (e3b0c4_12)";
    flow:established,to_client;
    http.cookie;
    content:"e3b0c4_12="; fast_pattern;
    classtype:trojan-activity;
    sid:2067447; rev:1;
    metadata:affected_product Any, attack_target Client_Endpoint, created_at 2026_02_10, deployment Perimeter, malware_family KeitaroTDS, confidence High, signature_severity Major, updated_at 2026_02_10;
)

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