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SID: 2100252 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 9Sep 23, 2010, 12:00 PM

GPL DNS named iquery attempt

alert udp $EXTERNAL_NET any -> $HOME_NET 53 (msg:"GPL DNS named iquery attempt"; content:"|09 80 00 00 00 01 00 00 00 00|"; depth:16; offset:2; reference:bugtraq,134; reference:cve,1999-0009; reference:url,www.rfc-editor.org/rfc/rfc1035.txt; classtype:attempted-recon; sid:2100252; rev:9; metadata:created_at 2010_09_23, cve CVE_1999_0009, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Sep 23, 2010, 12:00 PM

Jul 26, 2019, 12:00 PM

Sep 21, 2024, 3:00 AM

Oct 17, 2025, 8:36 PM

rules/emerging-dns.rules