alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Fake WordPress CVE Plugin Domain in TLS SNI (wpsrv .zip)"; flow:established,to_server; tls.sni; bsize:9; content:"wpsrv.zip"; fast_pattern; reference:url,infosec.exchange/@rmceoin/111507077232502845; classtype:exploit-kit; sid:2049498; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2023_12_05, deployment Perimeter, deprecation_reason Age, performance_impact Low, confidence High, signature_severity Major, tag Exploit_Kit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_07, reviewed_at 2024_02_07;)