Rule History

SID: 2043241 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 2 • Jan 9, 2023, 12:00 PM

Message:

ET MALWARE DNS Query to Fake TeamViewer Domain (coldcreekranch .com)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query to Fake TeamViewer Domain (coldcreekranch .com)"; dns.query; content:"coldcreekranch.com"; nocase; bsize:18; reference:url,isc.sans.edu/diary/rss/29376; classtype:trojan-activity; sid:2043241; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_01_09, deployment Perimeter, deprecation_reason Age, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_10_08, reviewed_at 2024_10_08;)

Created:

Jan 9, 2023, 12:00 PM

Updated:

Oct 8, 2024, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Aug 26, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules