Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Lumma Stealer Related Domain (discussiowardder .website  in TLS SNI)"; flow:established,to_server; tls.sni; bsize:24; content:"discussiowardder.website"; fast_pattern; reference:md5,278d29c58925b51be632dc5a679b64d8; classtype:domain-c2; sid:2052905; rev:2; metadata:tls_state TLSEncrypt, created_at 2024_05_28, deployment Perimeter, malware_family Lumma_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_07_03, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)