alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE SocGholish CnC Domain in TLS SNI (* .studio .lacrenshawcrossing .com)"; flow:established,to_server; tls.sni; dotprefix; content:".studio.lacrenshawcrossing.com"; endswith; fast_pattern; reference:url,community.emergingthreats.net/t/et-socgholish-rules-response-guidance/335; classtype:domain-c2; sid:2057898; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_11_28, deployment Perimeter, deprecation_reason Relevance, malware_family SocGholish, performance_impact Low, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_01_16, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)