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Active Rule

Abused Debug Privilege by Arbitrary Parent Processes

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Abused Debug Privilege by Arbitrary Parent Processes

Using Splunk · Default · sigma-cli 2.0.2

Translation controls

Adjust the rule on the left, then regenerate when you want a fresh backend-native query.

BackendSplunkFormatDefaultVersion2.0.2

title: Abused Debug Privilege by Arbitrary Parent Processes
id: d522eca2-2973-4391-a3e0-ef0374321dae
status: test
description: Detection of unusual child processes by different system processes
references:
    - https://image.slidesharecdn.com/kheirkhabarovoffzonefinal-181117201458/95/hunting-for-privilege-escalation-in-windows-environment-74-638.jpg
author: 'Semanur Guneysu @semanurtg, oscd.community'
date: 2020-10-28
modified: 2022-11-11
tags:
    - attack.defense-evasion
    - attack.privilege-escalation
    - attack.t1548
logsource:
    product: windows
    category: process_creation
detection:
    selection_parent:
        ParentImage|endswith:
            - '\winlogon.exe'
            - '\services.exe'
            - '\lsass.exe'
            - '\csrss.exe'
            - '\smss.exe'
            - '\wininit.exe'
            - '\spoolsv.exe'
            - '\searchindexer.exe'
        User|contains: # covers many language settings
            - 'AUTHORI'
            - 'AUTORI'
    selection_img:
        - Image|endswith:
              - '\powershell.exe'
              - '\pwsh.exe'
              - '\cmd.exe'
        - OriginalFileName:
              - 'PowerShell.EXE'
              - 'pwsh.dll'
              - 'Cmd.Exe'
    filter:
        CommandLine|contains|all:
            - ' route '
            - ' ADD '
    condition: all of selection_* and not filter
falsepositives:
    - Unknown
level: high

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_susp_abusing_debug_privilege.yml