Sysinternals PsService Execution

 1title: Sysinternals PsService Execution
 2id: 3371f518-5fe3-4cf6-a14b-2a0ae3fd8a4f
 3status: test
 4description: Detects usage of Sysinternals PsService which can be abused for service reconnaissance and tampering
 5references:
 6    - https://learn.microsoft.com/en-us/sysinternals/downloads/psservice
 7author: Nasreddine Bencherchali (Nextron Systems)
 8date: 2022-06-16
 9modified: 2026-06-29
10tags:
11    - attack.privilege-escalation
12    - attack.discovery
13    - attack.persistence
14    - attack.t1543.003
15logsource:
16    category: process_creation
17    product: windows
18detection:
19    selection:
20        - OriginalFileName: 'psservice.exe'
21        - Image|endswith:
22              - '\PsService.exe'
23              - '\PsService64.exe'
24              - '\PsService64a.exe'
25    condition: selection
26falsepositives:
27    - Legitimate use of PsService by an administrator
28level: medium