Emerging Threathighexperimental

DNS Query To Katz Stealer Domains

Detects DNS queries to domains associated with Katz Stealer malware. Katz Stealer is a malware variant that is known to be used for stealing sensitive information from compromised systems. In Enterprise environments, DNS queries to these domains may indicate potential malicious activity or compromise.

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Launch
Swachchhanda Shrawan Poudel (Nextron Systems)Created Thu May 229c3d6e32-f4c8-4d73-8b8f-95c3b383a13c2025
Emerging Threat
Active Threat

Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.

Log Source
WindowsDNS Query
ProductWindows← raw: windows
CategoryDNS Query← raw: dns_query

DNS lookup events generated by endpoint monitoring tools.

Detection Logic
Detection Logic1 selector
detection:
    selection:
        QueryName|contains:
            - 'katz-panel.com'
            - 'katz-stealer.com'
            - 'katzstealer.com'
            - 'twist2katz.com'
    condition: selection
False Positives
Unlikely

False positives are unlikely for most environments. High confidence detection.

References
1
Resolving title…
Internal Research
MITRE ATT&CK

Sub-techniques

Other

detection.emerging-threats
Rule Metadata
Rule ID
9c3d6e32-f4c8-4d73-8b8f-95c3b383a13c
Status
experimental
Level
high
Type
Emerging Threat
Created
Thu May 22
Path
rules-emerging-threats/2025/Malware/Katz-Stealer/dns_query_win_katz_stealer_domain.yml
Raw Tags
attack.command-and-controlattack.t1071.004detection.emerging-threats
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