Versions (4)
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Rev: 3 • Jan 23, 2015, 12:00 PMET DOS MC-SQLR Response Inbound Possible DDoS Target
alert udp $EXTERNAL_NET 1434 -> $HOME_NET any (msg:"ET DOS MC-SQLR Response Inbound Possible DDoS Target"; content:"|05|"; depth:1; content:"ServerName|3b|"; nocase; content:"InstanceName|3b|"; distance:0; content:"IsClustered|3b|"; distance:0; content:"Version|3b|"; distance:0; threshold:type both,track by_dst,count 30,seconds 60; reference:url,kurtaubuchon.blogspot.com.es/2015/01/mc-sqlr-amplification-ms-sql-server.html; classtype:attempted-dos; sid:2020306; rev:3; metadata:created_at 2015_01_23, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Jan 23, 2015, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 6, 2025, 4:34 PM
rules/emerging-dos.rules