Rule History

SID: 2001118 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 6 • Jul 30, 2010, 12:00 PM

Message:

ET DNS Standard query response, Not Implemented

Rule:

alert udp $DNS_SERVERS 53 -> any any (msg:"ET DNS Standard query response, Not Implemented"; pcre:"/^..[\x81\x82\x83\x84\x85\x86\x87]\x84/"; classtype:not-suspicious; sid:2001118; rev:6; metadata:created_at 2010_07_30, signature_severity Informational, updated_at 2019_07_26;)

Created:

Jul 30, 2010, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-dns.rules