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DNS Query To Katz Stealer Domains - Network

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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Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Launch
Swachchhanda Shrawan Poudel (Nextron Systems)Created Thu May 226b0c762f-0e1b-435f-a829-5943b08fe36a2025
Emerging Threat
Active Threat

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

Log Source
dns
Categorydns← raw: dns
Detection Logic
Detection Logic1 selector
detection:
    selection:
        query|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
6b0c762f-0e1b-435f-a829-5943b08fe36a
Status
experimental
Level
high
Type
Emerging Threat
Created
Thu May 22
Path
rules-emerging-threats/2025/Malware/Katz-Stealer/net_dns_katz_stealer_domain.yml
Raw Tags
attack.command-and-controlattack.t1071.004detection.emerging-threats
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