alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT ClearFake Fingerprinting Domain in TLS SNI (stats-best .site)"; flow:established,to_server; tls.sni; bsize:15; content:"stats-best.site"; fast_pattern; reference:url,rmceoin.github.io/malware-analysis/clearfake/; classtype:exploit-kit; sid:2047815; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2023_08_29, deployment Perimeter, deprecation_reason Age, 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_01_02, reviewed_at 2024_01_02;)