Rule History

SID: 2031246 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Dec 2, 2020, 12:00 PM

Message:

ET MALWARE Observed DNS Query to WHO Themed Malware Delivery Domain

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to WHO Themed Malware Delivery Domain"; dns.query; content:"european-who.com"; nocase; bsize:16; reference:url,www.domaintools.com/resources/blog/identifying-network-infrastructure-related-to-a-who-spoofing-campaign; classtype:domain-c2; sid:2031246; rev:2; metadata:attack_target Client_Endpoint, created_at 2020_12_02, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_12_03;)

Created:

Dec 2, 2020, 12:00 PM

Updated:

Dec 3, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 15, 2025, 9:36 PM

Filename:

rules/emerging-malware.rules