Rule History

SID: 2060685 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Mar 7, 2025, 12:00 PM

Message:

ET MALWARE Observed ClickFix Domain (cpth-cant .com in TLS SNI)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed ClickFix Domain (cpth-cant .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".cpth-cant.com"; endswith; fast_pattern; reference:url,tria.ge/250307-wvydhavnt6/behavioral1; classtype:trojan-activity; sid:2060685; rev:2; metadata:attack_target Client_Endpoint, created_at 2025_03_07, deployment Perimeter, deprecation_reason Age, malware_family ClickFix, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_04_15, reviewed_at 2025_04_15;)

Created:

Mar 7, 2025, 12:00 PM

Updated:

Apr 15, 2025, 12:00 PM

DB Created:

Mar 7, 2025, 9:34 PM

DB Updated:

Jul 3, 2025, 8:34 PM

Filename:

rules/emerging-malware.rules