ET MALWARE Observed Win32/Lumma Stealer Related Domain (*.culture-quest .shop) in TLS SNI

Query · suricata

flow:established,to_server;
tls.sni; bsize:21; dotprefix;
content:"*.culture-quest.shop"; fast_pattern; nocase;
target:src_ip;
Raw source ET MALWARE Observed Win32/Lumma Stealer Related Domain (*.culture-quest .shop) in TLS SNI · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tls $HOME_NET any -> any any (
    msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (*.culture-quest .shop) in TLS SNI";
    flow:established,to_server;
    tls.sni; bsize:21; dotprefix;
    content:"*.culture-quest.shop"; fast_pattern; nocase;
    reference:md5,f1c83e6a960b520786b355f07e0e5bca;
    classtype:domain-c2;
    sid:2061536; rev:1;
    metadata:tls_state TLSEncrypt, created_at 2025_04_13, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2025_04_14, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
    target:src_ip;
)

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