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

SID: 2059594Rev: 125 views
Sourceet/open
CreatedJanuary 23, 2025
UpdatedJanuary 23, 2025
Classificationdomain-c2
alert tls $HOME_NET any -> any any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (longingfluffyr .cyou in TLS SNI)"; flow:established,to_server; tls.sni; bsize:19; content:"longingfluffyr.cyou"; fast_pattern; nocase; reference:md5,913a85b0b4d9d0243c2f6573e145738a; classtype:domain-c2; sid:2059594; rev:1; metadata:tls_state TLSEncrypt, created_at 2025_01_23, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2025_01_23, 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
913a85b0b4d9d0243c2f6573e145738a
Google SearchBrave Search

Metadata

tls stateTLSEncrypt
created at2025_01_23
deploymentPerimeter
malware familyLumma_Stealer
confidenceHigh
signature severityCritical
updated at2025_01_23
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol

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