ET MALWARE Observed Win32/Lumma Stealer Related Domain (lexenorf .org) in TLS SNI
Sourceet/open
CreatedDecember 30, 2025
UpdatedDecember 30, 2025
Classificationdomain-c2
alert tls $HOME_NET any -> any any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (lexenorf .org) in TLS SNI"; flow:established,to_server; tls.sni; bsize:12; content:"lexenorf.org"; fast_pattern; nocase; reference:md5,0316e5511dbed13b95055d84e8713c5c; classtype:domain-c2; sid:2066508; rev:1; metadata:tls_state TLSEncrypt, created_at 2025_12_30, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2025_12_30, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)
References
| md5 | 0316e5511dbed13b95055d84e8713c5c |
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