Rule History

SID: 2049511 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 1 • Dec 6, 2023, 12:00 PM

Message:

ET MALWARE DNS Query to Teal Kurma Domain (lo0 .systemctl .network)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query to Teal Kurma Domain (lo0 .systemctl .network)"; dns.query; dotprefix; content:".lo0.systemctl.network"; nocase; endswith; reference:url,www.pwc.com/gx/en/issues/cybersecurity/cyber-threat-intelligence/tortoise-and-malwahare.html; classtype:trojan-activity; sid:2049511; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_12_06, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_06;)

Created:

Dec 6, 2023, 12:00 PM

Updated:

Dec 6, 2023, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Aug 18, 2025, 8:35 PM

Filename:

rules/emerging-malware.rules