ET WEB_SERVER Possible Attempt to Get SQL Server Version in URI using SELECT VERSION

Query · suricata

flow:established,to_server;
http.uri;
content:"SELECT"; nocase;
content:"VERSION"; nocase; distance:1;
Raw source ET WEB_SERVER Possible Attempt to Get SQL Server Version in URI using SELECT VERSION · 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 WEB_SERVER Possible Attempt to Get SQL Server Version in URI using SELECT VERSION";
    flow:established,to_server;
    http.uri;
    content:"SELECT"; nocase;
    content:"VERSION"; nocase; distance:1;
    reference:url,support.microsoft.com/kb/321185;
    classtype:web-application-attack;
    sid:2011037; rev:6;
    metadata:created_at 2010_07_30, confidence Medium, signature_severity Minor, updated_at 2020_08_20;
)

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