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SID: 2050023 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2Jan 12, 2024, 12:00 PM

ET MALWARE Observed Lumma Stealer Related Domain (recessionconceptjetwe .pwc in TLS SNI)

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Lumma Stealer Related Domain (recessionconceptjetwe .pwc in TLS SNI)"; flow:established,to_server; tls.sni; bsize:25; content:"recessionconceptjetwe.pwc"; fast_pattern; reference:md5,69ba37af776e9bc6d82b92622b643f9d; classtype:domain-c2; sid:2050023; rev:2; metadata:attack_target Client_Endpoint, created_at 2024_01_12, deployment Perimeter, deprecation_reason Age, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_13, reviewed_at 2024_02_13, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)

Jan 12, 2024, 12:00 PM

Feb 13, 2024, 12:00 PM

Sep 21, 2024, 3:00 AM

Aug 15, 2025, 8:34 PM

rules/emerging-malware.rules