ET SCAN Sipp SIP Stress Test Detected

Query · suricata

content:"sip|3a|sipp@";
content:"Subject|3a| Performance Test"; offset:90; depth:90;
threshold:type threshold, track by_dst, count 20, seconds 15;
Raw source ET SCAN Sipp SIP Stress Test Detected · 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 SCAN Sipp SIP Stress Test Detected";
    content:"sip|3a|sipp@";
    content:"Subject|3a| Performance Test"; offset:90; depth:90;
    threshold:type threshold, track by_dst, count 20, seconds 15;
    reference:url,sourceforge.net/projects/sipp/;
    classtype:attempted-recon;
    sid:2008579; rev:4;
    metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, updated_at 2019_07_26;
)

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