alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT TA2727 Domain in TLS SNI (metricsaggregator .to)"; flow:established,to_server; tls.sni; dotprefix; content:".metricsaggregator.to"; endswith; fast_pattern; classtype:exploit-kit; sid:2065903; rev:1; metadata:affected_product Web_Browsers, affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2025_11_24, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Exploit_Kit, tag TDS, tag compromised_website, tag TA2727, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_24;)