Versions (2)
Version DetailsCurrent
Rev: 1 • Jun 6, 2025, 12:00 PMET EXPLOIT_KIT ClickFix Domain in TLS SNI (cf-session .cloud)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT ClickFix Domain in TLS SNI (cf-session .cloud)"; flow:established,to_server; tls.sni; bsize:16; content:"cf-session.cloud"; fast_pattern; reference:url,www.proofpoint.com/us/blog/threat-insight/clipboard-compromise-powershell-self-pwn; reference:url,blog.sekoia.io/interlock-ransomware-evolving-under-the-radar/; classtype:exploit-kit; sid:2062788; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2025_06_06, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag compromised_website, tag AI_Generated_Description, updated_at 2025_06_06, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;)
Jun 6, 2025, 12:00 PM
Jun 6, 2025, 12:00 PM
Jun 6, 2025, 9:34 PM
Jun 16, 2025, 10:35 PM
rules/emerging-exploit_kit.rules