Powershell Suspicious Win32_PnPEntity

Status: test
Severity: low
Log source: category ps_script, product windows
Author: frack113
Source: github.com/SigmaHQ/sigma

Adversaries may attempt to gather information about attached peripheral devices and components connected to a computer system.

Known false positives

Admin script

MITRE ATT&CK coverage

Tactic	Techniques
Discovery	`T1120` Peripheral Device Discovery

Telemetry coverage

Provider	Record / event type
PowerShell	Event ID 4104: Creating Scriptblock text (MessageNumber of MessageTotal).

Rule body

title: Powershell Suspicious Win32_PnPEntity
id: b26647de-4feb-4283-af6b-6117661283c5
status: test
description: Adversaries may attempt to gather information about attached peripheral devices and components connected to a computer system.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1120/T1120.md
author: frack113
date: 2021-08-23
modified: 2022-12-25
tags:
    - attack.discovery
    - attack.t1120
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection:
        ScriptBlockText|contains: Win32_PnPEntity
    condition: selection
falsepositives:
    - Admin script
level: low

Stages and Predicates

Stage 0: `condition`

selection

Stage 1: `selection`

selection:
    ScriptBlockText|contains: Win32_PnPEntity

Indicators

These rows show field, operator, and value matches.

Field	Kind	Values	Search
`ScriptBlockText`	match	`Win32_PnPEntity`	`field:"ScriptBlockText" kind:match value:"Win32_PnPEntity"`

Powershell Suspicious Win32_PnPEntity

Known false positives

MITRE ATT&CK coverage

Telemetry coverage

Rule body

Stages and Predicates

Stage 0: condition

Stage 1: selection

Indicators

Stage 0: `condition`

Stage 1: `selection`