ET MALWARE Storm C&C with typo'd User-Agent (Windoss)

Query · suricata

flow:established,to_server;
http.user_agent;
content:"Mozilla/4.0 (compatible|3b 20|MSIE 6.0|3b 20|Windoss NT"; depth:45; fast_pattern;
Raw source ET MALWARE Storm C&C with typo'd User-Agent (Windoss) · Suricata
Esc
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 Storm C&C with typo'd User-Agent (Windoss)";
    flow:established,to_server;
    http.user_agent;
    content:"Mozilla/4.0 (compatible|3b 20|MSIE 6.0|3b 20|Windoss NT"; depth:45; fast_pattern;
    classtype:trojan-activity;
    sid:2007742; rev:10;
    metadata:created_at 2010_07_30, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_16;
)

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