ET SMTP Possible ComputerCop Log Transmitted via SMTP

Query · suricata

flow:to_server,established;
content:"Subject|3a 20|CCOP|20|"; nocase; fast_pattern;
Raw source ET SMTP Possible ComputerCop Log Transmitted via SMTP · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert smtp any any -> any any (
    msg:"ET SMTP Possible ComputerCop Log Transmitted via SMTP";
    flow:to_server,established;
    content:"Subject|3a 20|CCOP|20|"; nocase; fast_pattern;
    reference:url,www.eff.org/deeplinks/2014/09/computercop-dangerous-internet-safety-software-hundreds-police-agencies;
    classtype:trojan-activity;
    sid:2019340; rev:3;
    metadata:created_at 2014_10_02, confidence Medium, signature_severity Major, updated_at 2019_10_08;
)

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