Rule History

SID: 2050591 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Jan 30, 2024, 12:00 PM

Message:

ET MALWARE Lumma Stealer Related CnC Domain in DNS Lookup (healthrankunderow .fun)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Lumma Stealer Related CnC Domain in DNS Lookup (healthrankunderow .fun)"; dns.query; bsize:21; content:"healthrankunderow.fun"; nocase; reference:md5,e4634aa2aa53d8df858ad5149bc55559; classtype:domain-c2; sid:2050591; rev:2; metadata:attack_target Client_Endpoint, created_at 2024_01_30, deployment Perimeter, deprecation_reason Age, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_30, reviewed_at 2024_04_30;)

Created:

Jan 30, 2024, 12:00 PM

Updated:

Apr 30, 2024, 12:00 PM

DB Created:

Jan 30, 2024, 11:00 PM

DB Updated:

Aug 14, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules