ET MALWARE Observed Win32/Lumma Stealer Related Domain (trickysymptommysqu .xyz) in TLS SNI

7.0.35.0SID: 2072543Rev: 1Enabled2 views
Sourceet/open
Fileemerging-malware.rules
CreatedOctober 21, 2026
UpdatedOctober 21, 2026
Classificationdomain-c2
alert tls $HOME_NET any -> any any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (trickysymptommysqu .xyz) in TLS SNI"; reference:md5,590ae1c6fbc31ce8dca501a5c1cea996; classtype:domain-c2; sid:2072543; rev:1; metadata:tls_state TLSEncrypt, created_at 2026_10_21, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2026_10_21, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Detection details are hidden.

References

md5
590ae1c6fbc31ce8dca501a5c1cea996
Google SearchBrave Search

Metadata

tls stateTLSEncrypt
created at2026_10_21
deploymentPerimeter
malware familyLumma_Stealer
confidenceHigh
signature severityCritical
updated at2026_10_21
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol

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