Rule History

SID: 2052859 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • May 22, 2024, 12:00 PM

Message:

ET MALWARE ClearFake CnC Domain in DNS Lookup (cdnforfiles .xyz)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE ClearFake CnC Domain in DNS Lookup (cdnforfiles .xyz)"; dns.query; dotprefix; content:".cdnforfiles.xyz"; nocase; endswith; classtype:trojan-activity; sid:2052859; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2024_05_22, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag ClearFake, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_23;)

Created:

May 22, 2024, 12:00 PM

Updated:

May 23, 2024, 12:00 PM

DB Created:

May 23, 2024, 9:00 PM

DB Updated:

Aug 11, 2025, 10:35 PM

Filename:

rules/emerging-malware.rules