Sigma Rule Library

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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Detection logic

selection

QueryName|contains:
  - katz-panel.com
  - katz-stealer.com
  - katzstealer.com
  - twist2katz.com

Condition

selection

Raw YAML

title: DNS Query To Katz Stealer Domains
id: 9c3d6e32-f4c8-4d73-8b8f-95c3b383a13c
related:
    - id: 6b0c762f-0e1b-435f-a829-5943b08fe36a
      type: similar
status: experimental
description: |
    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.
references:
    - Internal Research
author: Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2025-05-22
tags:
    - attack.command-and-control
    - attack.t1071.004
    - detection.emerging-threats
logsource:
    product: windows
    category: dns_query
detection:
    selection:
        QueryName|contains:
            - 'katz-panel.com'
            - 'katz-stealer.com'
            - 'katzstealer.com'
            - 'twist2katz.com'
    condition: selection
falsepositives:
    - Unlikely
level: high

False positives

  • Unlikely

References

  • Internal Research

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