Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (platformcati .sbs in TLS SNI)"; flow:established,to_server; tls.sni; bsize:16; content:"platformcati.sbs"; fast_pattern; reference:md5,ecbacb0ad914a8e3f5082f2619eac89d; classtype:domain-c2; sid:2056707; rev:3; metadata:tls_state TLSEncrypt, created_at 2024_10_16, deployment Perimeter, deprecation_reason Age, malware_family Lumma_Stealer, performance_impact Low, confidence High, signature_severity Critical, updated_at 2025_03_07, reviewed_at 2025_03_07, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)