Rule History

SID: 2009243 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2 • Jul 30, 2010, 12:00 PM

Message:

ET POLICY HSRP Active Router Changed

Rule:

alert udp any 1985 -> 224.0.0.2 1985 (msg:"ET POLICY HSRP Active Router Changed"; content:"|00 04|"; depth:3; reference:url,packetlife.net/blog/2008/oct/27/hijacking-hsrp/; classtype:bad-unknown; sid:2009243; rev:2; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, 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:

Oct 7, 2025, 9:34 PM

Filename:

rules/emerging-policy.rules