ET POLICY OS X Software Update Request Outbound

Query · suricata

flow:established,to_server;
http.user_agent;
content:"Software Update|2F|"; startswith;
content:"|20|Darwin|2F|"; within:48;
Raw source ET POLICY OS X Software Update Request Outbound · 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 POLICY OS X Software Update Request Outbound";
    flow:established,to_server;
    http.user_agent;
    content:"Software Update|2F|"; startswith;
    content:"|20|Darwin|2F|"; within:48;
    reference:url,www.apple.com/softwareupdate/;
    classtype:policy-violation;
    sid:2013503; rev:4;
    metadata:created_at 2011_08_31, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_20;
)

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