ET WEB_SERVER Attempt To Access MSSQL xp_fileexist Stored Procedure Via URI to Locate Files On Disk

Query · suricata

flow:established,to_server;
http.uri;
content:"EXEC"; nocase;
content:"xp_fileexist"; nocase;
Raw source ET WEB_SERVER Attempt To Access MSSQL xp_fileexist Stored Procedure Via URI to Locate Files On Disk · Suricata
Esc
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 Attempt To Access MSSQL xp_fileexist Stored Procedure Via URI to Locate Files On Disk";
    flow:established,to_server;
    http.uri;
    content:"EXEC"; nocase;
    content:"xp_fileexist"; nocase;
    reference:url,www.mssqlcity.com/Articles/Undoc/UndocExtSP.htm;
    reference:url,www.dugger-it.com/articles/xp_fileexist.asp;
    reference:url,www.sql-server-performance.com/articles/dev/extended_stored_procedures_p1.aspx;
    classtype:web-application-attack;
    sid:2009819; rev:8;
    metadata:created_at 2010_07_30, signature_severity Minor, updated_at 2020_09_14;
)

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