ET MALWARE W32/Zbot.Variant CnC Response

Query · suricata

flow:established,from_server;
flowbits:isset,ET.zbot.ua.2106509;
http.stat_code;
content:"200";
http.header;
content:"Content-Length|3a| 0|0d 0a|Content-Type|3a| text/html|0d 0a|"; fast_pattern;
http.header_names;
content:"Content-Type|0d 0a 0d 0a|"; endswith;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET MALWARE W32/Zbot.Variant CnC Response · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE W32/Zbot.Variant CnC Response";
    flow:established,from_server;
    flowbits:isset,ET.zbot.ua.2106509;
    http.stat_code;
    content:"200";
    http.header;
    content:"Content-Length|3a| 0|0d 0a|Content-Type|3a| text/html|0d 0a|"; fast_pattern;
    http.header_names;
    content:"Content-Type|0d 0a 0d 0a|"; endswith;
    reference:md5,0c4d7d9138de7d7919e3b3c33ac2f851;
    classtype:command-and-control;
    sid:2018764; rev:6;
    metadata:created_at 2013_04_26, performance_impact Moderate, signature_severity Major, updated_at 2024_04_08;
)

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