ET MALWARE Observed Win32/Lumma Stealer Related Domain (breakdecisiveexpandw .fun) in TLS SNI

7.0.35.0SID: 2071931Rev: 1Enabled18 views
Sourceet/open
Fileemerging-malware.rules
CreatedSeptember 4, 2026
UpdatedSeptember 4, 2026
Classificationdomain-c2
alert tls $HOME_NET any -> any any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (breakdecisiveexpandw .fun) in TLS SNI"; reference:md5,5e7ee20a4aee8fd85b43877b5fa259a4; classtype:domain-c2; sid:2071931; rev:1; metadata:tls_state TLSEncrypt, created_at 2026_09_04, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2026_09_04, 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
5e7ee20a4aee8fd85b43877b5fa259a4
Google SearchBrave Search

Metadata

tls stateTLSEncrypt
created at2026_09_04
deploymentPerimeter
malware familyLumma_Stealer
confidenceHigh
signature severityCritical
updated at2026_09_04
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol

Comments (0)

Please sign in to leave a comment.
Sign in

No comments yet. Be the first to comment!