ET INFO Suspicious Outbound SIG DNS Query

Query · suricata

content:"|00 00 18 00 01|"; fast_pattern;
dns.query;
pcre:"/^\d/";
Raw source ET INFO Suspicious Outbound SIG DNS Query · 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 dns $HOME_NET any -> any any (
    msg:"ET INFO Suspicious Outbound SIG DNS Query";
    content:"|00 00 18 00 01|"; fast_pattern;
    dns.query;
    pcre:"/^\d/";
    classtype:bad-unknown;
    sid:2030547; rev:2;
    metadata:created_at 2020_07_16, performance_impact Significant, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_17;
)

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