Detection rules › Sigma
PSExec and WMI Process Creations Block
Detects blocking of process creations originating from PSExec and WMI commands
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution |
Telemetry coverage
Rule body
title: PSExec and WMI Process Creations Block
id: 97b9ce1e-c5ab-11ea-87d0-0242ac130003
status: test
description: Detects blocking of process creations originating from PSExec and WMI commands
references:
- https://learn.microsoft.com/en-us/defender-endpoint/attack-surface-reduction-rules-reference?view=o365-worldwide#block-process-creations-originating-from-psexec-and-wmi-commands
- https://twitter.com/duff22b/status/1280166329660497920
author: Bhabesh Raj
date: 2020-07-14
modified: 2022-12-25
tags:
- attack.execution
- attack.lateral-movement
- attack.t1047
- attack.t1569.002
logsource:
product: windows
service: windefend
definition: 'Requirements:Enabled Block process creations originating from PSExec and WMI commands from Attack Surface Reduction (GUID: d1e49aac-8f56-4280-b9ba-993a6d77406c)'
detection:
selection:
EventID: 1121
ProcessName|endswith:
- '\wmiprvse.exe'
- '\psexesvc.exe'
condition: selection
falsepositives:
- Unknown
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
EventID: 1121
ProcessName|endswith:
- '\wmiprvse.exe'
- '\psexesvc.exe'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
ProcessName | ends_with |
| field:"process_name" kind:ends_with |