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

SID: 2068651Rev: 10 views
Sourceet/open
CreatedApril 8, 2026
UpdatedApril 8, 2026
Classificationdomain-c2
alert tls $HOME_NET any -> any any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (pashtu .cyou) in TLS SNI"; flow:established,to_server; tls.sni; bsize:11; content:"pashtu.cyou"; fast_pattern; nocase; reference:md5,1e766347791a536ec6bea4466fbc1cfd; classtype:domain-c2; sid:2068651; rev:1; metadata:tls_state TLSEncrypt, created_at 2026_04_08, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2026_04_08, 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
1e766347791a536ec6bea4466fbc1cfd
Google SearchBrave Search

Metadata

tls stateTLSEncrypt
created at2026_04_08
deploymentPerimeter
malware familyLumma_Stealer
confidenceHigh
signature severityCritical
updated at2026_04_08
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol

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