alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Balada Domain in TLS SNI (perfectlinestarter .com)"; flow:established,to_server; tls.sni; dotprefix; content:".perfectlinestarter.com"; endswith; fast_pattern; reference:url,blog.sucuri.net/2024/01/thousands-of-sites-with-popup-builder-compromised-by-balada-injector.html; classtype:exploit-kit; sid:2057109; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2024_10_28, deployment Perimeter, malware_family BALADA, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_10_28, reviewed_at 2024_12_31;)