alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED Observed Epsilon Stealer Domain (3ps1l0n .life) in TLS SNI"; flow:established,to_server; tls.sni; bsize:12; content:"3ps1l0n.life"; fast_pattern; reference:md5,e8c8434a3cd4cf970f864c7273810642; classtype:trojan-activity; sid:2050014; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_01_11, deployment Perimeter, former_category MALWARE, malware_family EpsilonStealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_07_14, reviewed_at 2025_07_14;)