ET VOIP INVITE Message Flood UDP

Query · suricata

content:"INVITE"; depth:6;
threshold:type both , track by_src, count 100, seconds 60;
Raw source ET VOIP INVITE Message Flood UDP · 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 udp $EXTERNAL_NET any -> $HOME_NET 5060 (
    msg:"ET VOIP INVITE Message Flood UDP";
    content:"INVITE"; depth:6;
    threshold:type both , track by_src, count 100, seconds 60;
    classtype:attempted-dos;
    sid:2009698; rev:1;
    metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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