ET MALWARE Observed Win32/Lumma Stealer Related Domain (trichcd .bet) in TLS SNI

SID: 2064443Rev: 10 views
Sourceet/open
CreatedSeptember 7, 2025
UpdatedSeptember 7, 2025
Classificationdomain-c2
alert tls $HOME_NET any -> any any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (trichcd .bet) in TLS SNI"; flow:established,to_server; tls.sni; bsize:11; content:"trichcd.bet"; fast_pattern; nocase; reference:md5,399ecf392199178210723bcef60f9982; classtype:domain-c2; sid:2064443; rev:1; metadata:tls_state TLSEncrypt, created_at 2025_09_07, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2025_09_07, 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
399ecf392199178210723bcef60f9982
Google SearchBrave Search

Metadata

tls stateTLSEncrypt
created at2025_09_07
deploymentPerimeter
malware familyLumma_Stealer
confidenceHigh
signature severityCritical
updated at2025_09_07
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol

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