ET MALWARE Observed Win32/Lumma Stealer Related Domain (streamin .style) in TLS SNI

SID: 2064388Rev: 11 views
Sourceet/open
CreatedSeptember 5, 2025
UpdatedSeptember 5, 2025
Classificationdomain-c2
alert tls $HOME_NET any -> any any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (streamin .style) in TLS SNI"; flow:established,to_server; tls.sni; bsize:14; content:"streamin.style"; fast_pattern; nocase; reference:md5,5a03bc7a1bcae45be1734414acd7149d; classtype:domain-c2; sid:2064388; rev:1; metadata:tls_state TLSEncrypt, created_at 2025_09_05, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2025_09_05, 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
5a03bc7a1bcae45be1734414acd7149d
Google SearchBrave Search

Metadata

tls stateTLSEncrypt
created at2025_09_05
deploymentPerimeter
malware familyLumma_Stealer
confidenceHigh
signature severityCritical
updated at2025_09_05
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol

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