alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Observed ClickFix Compromised Domain (memelock .app in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".memelock.app"; endswith; fast_pattern; classtype:exploit-kit; sid:2062394; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2025_05_15, deployment Perimeter, malware_family ClickFix, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag compromised_website, updated_at 2025_05_15, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;)