Rule History

SID: 2064008 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Aug 14, 2025, 12:00 PM

Message:

ET MALWARE Observed DNS Query to Vidar Stealer Domain (tl .dr .softlinko .com)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to Vidar Stealer Domain (tl .dr .softlinko .com)"; dns.query; dotprefix; content:".tl.dr.softlinko.com"; nocase; endswith; classtype:trojan-activity; sid:2064008; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_08_14, deployment Perimeter, malware_family Vidar, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_08_14;)

Created:

Aug 14, 2025, 12:00 PM

Updated:

Aug 14, 2025, 12:00 PM

DB Created:

Aug 14, 2025, 9:34 PM

DB Updated:

Aug 15, 2025, 8:34 PM

Filename:

rules/emerging-malware.rules