ET MALWARE Possible TDSS User-Agent CMD

Query · suricata

flow:established,to_server;
http.user_agent;
content:"|20|(compatible|3b 20|MSIE 1.0|3b 20|Windows NT|3b 20|"; fast_pattern;
Raw source ET MALWARE Possible TDSS User-Agent CMD · 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 $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Possible TDSS User-Agent CMD";
    flow:established,to_server;
    http.user_agent;
    content:"|20|(compatible|3b 20|MSIE 1.0|3b 20|Windows NT|3b 20|"; fast_pattern;
    reference:url,www.kernelmode.info/forum/viewtopic.php?f=16&t=19;
    reference:url,www.securelist.com/en/analysis/204792180/TDL4_Top_Bot;
    classtype:trojan-activity;
    sid:2012322; rev:9;
    metadata:created_at 2011_02_21, confidence Medium, signature_severity Major, updated_at 2020_08_13;
)

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