alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TA569 Middleware Server Domain in TLS SNI (adspixle .com)"; flow:established,to_server; tls.sni; bsize:12; content:"adspixle.com"; fast_pattern; reference:url,community.emergingthreats.net/t/et-socgholish-rules-response-guidance/335; classtype:trojan-activity; sid:2063587; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2025_07_18, deployment Perimeter, malware_family SocGholish, performance_impact Low, confidence High, signature_severity Major, tag Exploit_Kit, tag ta569, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_07_18, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;)