Rule History

SID: 2100254 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 5 • Sep 23, 2010, 12:00 PM

Message:

GPL DNS SPOOF query response with TTL of 1 min. and no authority

Rule:

alert udp $EXTERNAL_NET 53 -> $HOME_NET any (msg:"GPL DNS SPOOF query response with TTL of 1 min. and no authority"; content:"|81 80 00 01 00 01 00 00 00 00|"; content:"|C0 0C 00 01 00 01 00 00 00|<|00 04|"; classtype:bad-unknown; sid:2100254; rev:5; metadata:created_at 2010_09_23, confidence Medium, signature_severity Informational, 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:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-dns.rules