Rule History

SID: 2066933 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Jan 22, 2026, 12:00 PM

Message:

ET MALWARE Observed DNS Query to StealC Payload Delivery Domain (hqweb .id .vn)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to StealC Payload Delivery Domain (hqweb .id .vn)"; dns.query; dotprefix; content:".hqweb.id.vn"; nocase; endswith; classtype:trojan-activity; sid:2066933; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_01_22, deployment Perimeter, malware_family Stealc, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_01_22;)

Created:

Jan 22, 2026, 12:00 PM

Updated:

Jan 22, 2026, 12:00 PM

DB Created:

Jan 22, 2026, 11:34 PM

DB Updated:

Jan 23, 2026, 10:34 PM

Filename:

rules/emerging-malware.rules