alert tls $HOME_NET any -> any any (msg:"ET MALWARE TA569 Staging Server Domain in TLS SNI (static .twalls5280 .com)"; flow:established,to_server; tls.sni; bsize:21; content:"static.twalls5280.com"; fast_pattern; nocase; reference:url,community.emergingthreats.net/t/et-socgholish-rules-response-guidance/335; classtype:domain-c2; sid:2060949; rev:3; metadata:attack_target Client_Endpoint, tls_state TLSEncrypt, created_at 2025_03_18, deployment Perimeter, malware_family SocGholish, performance_impact Low, confidence High, signature_severity Critical, tag Exploit_Kit, tag ta569, tag compromised_website, updated_at 2026_06_08, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise; target:src_ip;)