ET MALWARE Observed Win32/Lumma Stealer Related Domain (castlaby .live) in TLS SNI

SID: 2061191Rev: 111 views
Sourceet/open
CreatedMarch 30, 2025
UpdatedMarch 30, 2025
Classificationdomain-c2
alert tls $HOME_NET any -> any any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (castlaby .live) in TLS SNI"; flow:established,to_server; tls.sni; bsize:13; content:"castlaby.live"; fast_pattern; nocase; reference:md5,f95a706eed4f3abd978f24abbb377c17; classtype:domain-c2; sid:2061191; rev:1; metadata:tls_state TLSEncrypt, created_at 2025_03_30, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2025_03_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
f95a706eed4f3abd978f24abbb377c17
Google SearchBrave Search

Metadata

tls stateTLSEncrypt
created at2025_03_30
deploymentPerimeter
malware familyLumma_Stealer
confidenceHigh
signature severityCritical
updated at2025_03_30
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol

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