Detection rules › Sigma
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.
Known false positives
- Unlikely
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Command & Control |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 22: DNSEvent (DNS query) |
Rule body
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
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
QueryName|contains:
- 'katz-panel.com'
- 'katz-stealer.com'
- 'katzstealer.com'
- 'twist2katz.com'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
QueryName | match |
| field:"QueryName" kind:match |