Suspicious Execution of Sysinternals PsSuspend (via process_creation)

title: Suspicious Execution of Sysinternals PsSuspend (via process_creation)
id: 58c03d93-729e-5dde-92d3-6ce8e0505aa1
status: stable
description: This rule detects use of Sysinternals PsSuspend that can be misused to suspend critical processes
references:
    - https://attack.mitre.org/techniques/T1543/003/
    - https://learn.microsoft.com/en-us/sysinternals/downloads/pssuspend
    - https://twitter.com/0gtweet/status/1638069413717975046
author: Huntrule Team
date: 2026-05-29
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