Rule History

SID: 2103154 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3 • Sep 23, 2010, 12:00 PM

Message:

GPL DNS UDP inverse query overflow

Rule:

alert udp $EXTERNAL_NET any -> $HOME_NET 53 (msg:"GPL DNS UDP inverse query overflow"; byte_test:1,<,16,2; byte_test:1,&,8,2; isdataat:400; reference:bugtraq,134; reference:cve,1999-0009; classtype:attempted-admin; sid:2103154; rev:3; metadata:created_at 2010_09_23, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Sep 23, 2010, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 15, 2025, 9:35 PM

Filename:

rules/emerging-dns.rules