alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Malicious Google Ad Domain in TLS SNI (meet-go .click)"; flow:established,to_server; tls.sni; bsize:13; content:"meet-go.click"; fast_pattern; reference:url,www.threatdown.com/blog/corporate-users-targeted-via-malicious-ads-and-modals/; classtype:exploit-kit; sid:2052349; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2024_05_01, deployment Perimeter, deprecation_reason Relevance, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_07_09, reviewed_at 2024_07_09;)