alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Lumma Stealer Domain in TLS SNI (indexterityszcoxp .shop)"; flow:established,to_server; tls.sni; bsize:22; content:"indexterityszcoxp.shop"; fast_pattern; reference:md5,c8c4ef2329b18b42f7072fad1ab98af0; classtype:trojan-activity; sid:2054600; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_07_19, deployment Perimeter, malware_family LummaStealer, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_07_19, reviewed_at 2025_01_22, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)