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

7.0.35.0SID: 2070579Rev: 1Enabled0 views
Sourceet/open
Fileemerging-malware.rules
CreatedJuly 3, 2026
UpdatedJuly 3, 2026
Classificationdomain-c2
alert tls $HOME_NET any -> any any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (submiytinh .biz) in TLS SNI"; flow:established,to_server; tls.sni; bsize:14; content:"submiytinh.biz"; fast_pattern; nocase; reference:md5,ad3ad2939b75e8ff906dd3965094b1c9; classtype:domain-c2; sid:2070579; rev:1; metadata:tls_state TLSEncrypt, created_at 2026_07_03, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2026_07_03, 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
ad3ad2939b75e8ff906dd3965094b1c9
Google SearchBrave Search

Metadata

tls stateTLSEncrypt
created at2026_07_03
deploymentPerimeter
malware familyLumma_Stealer
confidenceHigh
signature severityCritical
updated at2026_07_03
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol

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