Rule History

SID: 2057878 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Nov 26, 2024, 12:00 PM

Message:

ET MALWARE Observed DNS Query to Lumma Domain (s1gn1fyh0se .cyou)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to Lumma Domain (s1gn1fyh0se .cyou)"; dns.query; dotprefix; content:".s1gn1fyh0se.cyou"; nocase; endswith; classtype:trojan-activity; sid:2057878; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_11_26, deployment Perimeter, malware_family lumma, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_26, reviewed_at 2025_05_14;)

Created:

Nov 26, 2024, 12:00 PM

Updated:

Nov 26, 2024, 12:00 PM

DB Created:

Dec 3, 2024, 4:00 PM

DB Updated:

Jul 7, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules