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

SID: 2068275Rev: 11 views
Sourceet/open
CreatedMarch 16, 2026
UpdatedMarch 16, 2026
Classificationdomain-c2
alert tls $HOME_NET any -> any any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (followw .cyou) in TLS SNI"; flow:established,to_server; tls.sni; bsize:12; content:"followw.cyou"; fast_pattern; nocase; reference:md5,28e28bc3f7735b06cb89793bc15509a1; classtype:domain-c2; sid:2068275; rev:1; metadata:tls_state TLSEncrypt, created_at 2026_03_16, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2026_03_16, 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
28e28bc3f7735b06cb89793bc15509a1
Google SearchBrave Search

Metadata

tls stateTLSEncrypt
created at2026_03_16
deploymentPerimeter
malware familyLumma_Stealer
confidenceHigh
signature severityCritical
updated at2026_03_16
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!