ET MALWARE Observed Win32/Lumma Stealer Related Domain (boletukk .cyou) in TLS SNI

SID: 2069082Rev: 10 views
Sourceet/open
CreatedApril 30, 2026
UpdatedApril 30, 2026
Classificationdomain-c2
alert tls $HOME_NET any -> any any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (boletukk .cyou) in TLS SNI"; flow:established,to_server; tls.sni; bsize:13; content:"boletukk.cyou"; fast_pattern; nocase; reference:md5,7eaff6daaaaa41080bcf872f08e5859d; classtype:domain-c2; sid:2069082; rev:1; metadata:tls_state TLSEncrypt, created_at 2026_04_30, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2026_04_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
7eaff6daaaaa41080bcf872f08e5859d
Google SearchBrave Search

Metadata

tls stateTLSEncrypt
created at2026_04_30
deploymentPerimeter
malware familyLumma_Stealer
confidenceHigh
signature severityCritical
updated at2026_04_30
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol

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