Detection rules › Sigma
Sysinternals PsSuspend Execution
Detects usage of Sysinternals PsSuspend which can be abused to suspend critical processes
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | |
| Privilege Escalation |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
Rule body
title: Sysinternals PsSuspend Execution
id: 48bbc537-b652-4b4e-bd1d-281172df448f
related:
- id: 4beb6ae0-f85b-41e2-8f18-8668abc8af78
type: similar
status: test
description: Detects usage of Sysinternals PsSuspend which can be abused to suspend critical processes
references:
- https://learn.microsoft.com/en-us/sysinternals/downloads/pssuspend
- https://twitter.com/0gtweet/status/1638069413717975046
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-03-23
modified: 2026-06-29
tags:
- attack.privilege-escalation
- attack.discovery
- attack.persistence
- attack.t1543.003
logsource:
category: process_creation
product: windows
detection:
selection:
- OriginalFileName: 'pssuspend.exe'
- Image|endswith:
- '\pssuspend.exe'
- '\pssuspend64.exe'
- '\pssuspend64a.exe'
condition: selection
falsepositives:
- Unknown
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
- OriginalFileName: 'pssuspend.exe'
- Image|endswith:
- '\pssuspend.exe'
- '\pssuspend64.exe'
- '\pssuspend64a.exe'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Image | ends_with |
| field:"Image" kind:ends_with |
OriginalFileName | eq |
| field:"OriginalFileName" kind:eq value:"pssuspend.exe" |