Rule History

SID: 2065599 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Oct 30, 2025, 12:00 PM

Message:

ET MALWARE Observed DNS Query to Malicious Domain (linkeedservice .com)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to Malicious Domain (linkeedservice .com)"; dns.query; dotprefix; content:".linkeedservice.com"; nocase; endswith; classtype:trojan-activity; sid:2065599; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_10_30, deployment Perimeter, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_30;)

Created:

Oct 30, 2025, 12:00 PM

Updated:

Oct 30, 2025, 12:00 PM

DB Created:

Oct 30, 2025, 9:34 PM

DB Updated:

Nov 3, 2025, 10:34 PM

Filename:

rules/emerging-malware.rules