ET SCAN Asp-Audit Web Scan Detected

Query · suricata

flow:to_server,established;
http.method;
content:"GET";
http.uri;
content:"STYLE=x|3a|e/**/xpression(alert('asp-audit'))>";
Raw source ET SCAN Asp-Audit Web Scan 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 http $EXTERNAL_NET any -> $HTTP_SERVERS any (
    msg:"ET SCAN Asp-Audit Web Scan Detected";
    flow:to_server,established;
    http.method;
    content:"GET";
    http.uri;
    content:"STYLE=x|3a|e/**/xpression(alert('asp-audit'))>";
    reference:url,www.hacker-soft.net/Soft/Soft_2895.htm;
    reference:url,wiki.remote-exploit.org/backtrack/wiki/asp-audit;
    classtype:attempted-recon;
    sid:2009479; rev:12;
    metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_14;
)

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