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SID: 2050404 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 1Jan 24, 2024, 12:00 PM

ET MALWARE Observed Lumma Stealer Related Domain (willpoweragreebokkskiew .site in TLS SNI)

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Lumma Stealer Related Domain (willpoweragreebokkskiew .site in TLS SNI)"; flow:established,to_server; tls.sni; bsize:28; content:"willpoweragreebokkskiew.site"; fast_pattern; reference:md5,69a206bb2df8317fbec59ad9f11ce190; classtype:domain-c2; sid:2050404; rev:1; metadata:created_at 2024_01_24, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_24, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)

Jan 24, 2024, 12:00 PM

Jan 24, 2024, 12:00 PM

Sep 21, 2024, 3:00 AM

Aug 14, 2025, 9:34 PM

rules/emerging-malware.rules