Sigma Rule Library

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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Detection logic

selection

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

Condition

selection

Raw YAML

title: DNS Query To Katz Stealer Domains - Network
id: 6b0c762f-0e1b-435f-a829-5943b08fe36a
related:
    - id: 9c3d6e32-f4c8-4d73-8b8f-95c3b383a13c
      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:
    category: dns
detection:
    selection:
        query|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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