ET MALWARE Volatile Cedar Win32.Explosive Fake User-Agent

Query · suricata

flow:established,to_server;
http.user_agent;
content:"Mozilla/4.0 (compatible|3b 20|MSIE 7.0|3b 20|MSIE 6.0|3b 20|Windows NT 5.1|3b 20|.NET CLR 2.0.50727)"; depth:80; fast_pattern;
Raw source ET MALWARE Volatile Cedar Win32.Explosive Fake User-Agent · 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 Volatile Cedar Win32.Explosive Fake User-Agent";
    flow:established,to_server;
    http.user_agent;
    content:"Mozilla/4.0 (compatible|3b 20|MSIE 7.0|3b 20|MSIE 6.0|3b 20|Windows NT 5.1|3b 20|.NET CLR 2.0.50727)"; depth:80; fast_pattern;
    reference:md5,cefed502aaf38ee0089c527e7f537eda;
    reference:url,checkpoint.com/downloads/volatile-cedar-technical-report.pdf;
    classtype:trojan-activity;
    sid:2020810; rev:5;
    metadata:created_at 2015_03_31, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_21;
)

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