ET MALWARE Havoc Framework CnC Response

Query · suricata

flow:established,to_client;
http.header_names;
content:"X-IsHavocFramework|0d 0a|"; fast_pattern;
http.content_type;
content:"text/plain";
Raw source ET MALWARE Havoc Framework CnC Response · 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 MALWARE Havoc Framework CnC Response";
    flow:established,to_client;
    http.header_names;
    content:"X-IsHavocFramework|0d 0a|"; fast_pattern;
    http.content_type;
    content:"text/plain";
    reference:url,github.com/HavocFramework/Havoc/blob/main/Teamserver/profiles/havoc.yaotl;
    classtype:trojan-activity;
    sid:2039074; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_09_30, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_30, reviewed_at 2025_10_24;
)

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