GPL WEB_SERVER perl command attempt

Query · suricata

flow:to_server,established;
http.uri;
content:"/perl?"; nocase;
Raw source GPL WEB_SERVER perl command attempt · 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:"GPL WEB_SERVER perl command attempt";
    flow:to_server,established;
    http.uri;
    content:"/perl?"; nocase;
    reference:arachnids,219;
    reference:cve,1999-0509;
    reference:nessus,10173;
    reference:url,www.cert.org/advisories/CA-1996-11.html;
    classtype:attempted-recon;
    sid:2101649; rev:11;
    metadata:created_at 2010_09_23, cve CVE_1999_0509, signature_severity Unknown, updated_at 2020_04_20;
)

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