Back to Rule

Rule History

SID: 2058678 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 3Dec 30, 2024, 12:00 PM

ET MALWARE Observed Win32/Lumma Stealer Related Domain (dare-curbys .biz in TLS SNI)

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (dare-curbys .biz in TLS SNI)"; flow:established,to_server; tls.sni; bsize:15; content:"dare-curbys.biz"; fast_pattern; reference:md5,bed38a4c21d98f5c188b7b7b3a1848ef; classtype:domain-c2; sid:2058678; rev:3; metadata:tls_state TLSEncrypt, created_at 2024_12_30, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2024_12_31, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)

Dec 30, 2024, 12:00 PM

Dec 31, 2024, 12:00 PM

Dec 30, 2024, 10:34 PM

May 30, 2025, 12:04 AM

rules/emerging-malware.rules