ET MALWARE Zbot download config

Query · suricata

flow:established,from_server;
flowbits:isset,ET.zbot.dat;
http.stat_code;
content:"200";
http.stat_msg;
content:"OK";
http.content_type;
content:"application/x-ns-proxy-autoconfig"; fast_pattern; startswith;
file.data;
pcre:"/^(?=[a-zA-Z]*?\d)(?=[a-z0-9]*?[A-Z])[a-zA-Z0-9+/]{30}/R";

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 Zbot download config · 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 Zbot download config";
    flow:established,from_server;
    flowbits:isset,ET.zbot.dat;
    http.stat_code;
    content:"200";
    http.stat_msg;
    content:"OK";
    http.content_type;
    content:"application/x-ns-proxy-autoconfig"; fast_pattern; startswith;
    file.data;
    pcre:"/^(?=[a-zA-Z]*?\d)(?=[a-z0-9]*?[A-Z])[a-zA-Z0-9+/]{30}/R";
    classtype:trojan-activity;
    sid:2022318; rev:4;
    metadata:created_at 2015_12_30, signature_severity Major, updated_at 2020_06_17;
)

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