ET MALWARE Observed Win32/Lumma Stealer Related Domain (nisyqai .shop) in TLS SNI

7.0.35.0SID: 2071529Rev: 1Enabled7 views
Sourceet/open
Fileemerging-malware.rules
CreatedAugust 14, 2026
UpdatedAugust 14, 2026
Classificationdomain-c2
alert tls $HOME_NET any -> any any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (nisyqai .shop) in TLS SNI"; flow:established,to_server; tls.sni; bsize:12; content:"nisyqai.shop"; fast_pattern; nocase; reference:md5,b4081e9dfbe87a9938e4c61670128022; classtype:domain-c2; sid:2071529; rev:1; metadata:tls_state TLSEncrypt, created_at 2026_08_14, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2026_08_14, 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
b4081e9dfbe87a9938e4c61670128022
Google SearchBrave Search

Metadata

tls stateTLSEncrypt
created at2026_08_14
deploymentPerimeter
malware familyLumma_Stealer
confidenceHigh
signature severityCritical
updated at2026_08_14
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol

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