Detection rules › Sigma

Windows Kernel Debugger Execution

Status
test
Severity
medium
Log source
category process_creation, product windows
Author
Nasreddine Bencherchali (Nextron Systems)
Source
github.com/SigmaHQ/sigma

Detects execution of the Windows Kernel Debugger "kd.exe".

Known false positives

  • Rare occasions of legitimate cases where kernel debugging is necessary in production. Investigation is required

MITRE ATT&CK coverage

TacticTechniques
Privilege EscalationNo specific technique
StealthNo specific technique

Telemetry coverage

ProviderRecord / event type
SysmonEvent ID 1: Process creation

Rule body

title: Windows Kernel Debugger Execution
id: 27ee9438-90dc-4bef-904b-d3ef927f5e7e
status: test
description: Detects execution of the Windows Kernel Debugger "kd.exe".
references:
    - Internal Research
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-05-15
modified: 2024-04-24
tags:
    - attack.privilege-escalation
    - attack.stealth
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|endswith: '\kd.exe'
        - OriginalFileName: 'kd.exe'
    condition: selection
falsepositives:
    - Rare occasions of legitimate cases where kernel debugging is necessary in production. Investigation is required
level: medium

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    - Image|endswith: '\kd.exe'
    - OriginalFileName: 'kd.exe'

Indicators

These rows show field, operator, and value matches.