alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT TA569 Middleware Domain in TLS SNI (cdngetmyname .biz)"; flow:established,to_server; tls.sni; bsize:16; content:"cdngetmyname.biz"; fast_pattern; reference:url,community.emergingthreats.net/t/et-socgholish-rules-response-guidance/335; classtype:exploit-kit; sid:2056200; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2024_09_26, deployment Perimeter, deprecation_reason Relevance, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag TDS, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_12_04, reviewed_at 2024_12_04;)