Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Lumma Stealer Related Domain (hunterstrawmersp .homes in TLS SNI)"; flow:established,to_server; tls.sni; bsize:22; content:"hunterstrawmersp.homes"; fast_pattern; reference:md5,c0f8496e2715d6c4f30dd1a9b139725c; reference:md5,d81de587581942a6f2c9604c5c8125da; reference:md5,d55dd5cb39d9a5d93f3392dbac8eb97e; reference:md5,8ff3cee3eb06229dd932256e10e67431; classtype:domain-c2; sid:2051481; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_03_05, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_05, reviewed_at 2024_04_04, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)