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Convert indexed Sigma rules into analyst-ready detections.

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Indexed Rules

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CLI Versions

Newest: 2.0.2

Translation Workspace

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Active Rule

Suspicious Driver Install by pnputil.exe

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Suspicious Driver Install by pnputil.exe

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: Suspicious Driver Install by pnputil.exe
id: a2ea3ae7-d3d0-40a0-a55c-25a45c87cac1
status: test
description: Detects when a possible suspicious driver is being installed via pnputil.exe lolbin
references:
    - https://learn.microsoft.com/en-us/windows-hardware/drivers/devtest/pnputil-command-syntax
    - https://strontic.github.io/xcyclopedia/library/pnputil.exe-60EDC5E6BDBAEE441F2E3AEACD0340D2.html
author: Hai Vaknin @LuxNoBulIshit, Avihay eldad  @aloneliassaf, Austin Songer @austinsonger
date: 2021-09-30
modified: 2022-10-09
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1547
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains:
            - '-i'
            - '/install'
            - '-a'
            - '/add-driver'
            - '.inf'
        Image|endswith: '\pnputil.exe'
    condition: selection
falsepositives:
    - Pnputil.exe being used may be performed by a system administrator.
    - Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
    - Pnputil.exe being executed from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
level: medium

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_lolbin_susp_driver_installed_by_pnputil.yml