Rule History

SID: 2051142 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 1 • Feb 28, 2024, 12:00 PM

Message:

ET MALWARE DNS Query to Ducktail APT Domain (mountainseagroup3 .top)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query to Ducktail APT Domain (mountainseagroup3 .top)"; dns.query; dotprefix; content:".mountainseagroup3.top"; nocase; endswith; reference:url,twitter.com/suyog41/status/1762742010900021572; classtype:trojan-activity; sid:2051142; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_02_28, deployment Perimeter, confidence High, signature_severity Major, tag Ducktail, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_28;)

Created:

Feb 28, 2024, 12:00 PM

Updated:

Feb 28, 2024, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Aug 13, 2025, 9:35 PM

Filename:

rules/emerging-malware.rules