Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Lumma Stealer Related Domain (copyrightspareddcitwew .site in TLS SNI)"; flow:established,to_server; tls.sni; bsize:27; content:"copyrightspareddcitwew.site"; fast_pattern; reference:md5,6b45ea36632d97a32c0dd487ed31c8a9; reference:md5,43e84b15bebe7d386bcbb10e0deeabf0; classtype:domain-c2; sid:2050155; rev:1; metadata:created_at 2024_01_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_17, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)