title: PsExec Tool Execution
id: fa91cc36-24c9-41ce-b3c8-3bbc3f2f67ba
related:
    - id: 42c575ea-e41e-41f1-b248-8093c3e82a28
      type: derived
status: experimental
description: Detects PsExec service installation and execution events (service and Sysmon)
author: Thomas Patzke
date: 2017/06/12
modified: 2021/09/21
references:
    - https://www.jpcert.or.jp/english/pub/sr/ir_research.html
    - https://jpcertcc.github.io/ToolAnalysisResultSheet
tags:
    - attack.execution
    - attack.t1569.002
    - attack.s0029
fields:
    - EventID
    - CommandLine
    - ParentCommandLine
    - ServiceName
    - ServiceFileName
    - TargetFilename
    - PipeName
logsource:
    category: process_creation
    product: windows
detection:
    sysmon_processcreation:
        Image|endswith: '\PSEXESVC.exe'
        User|startswith: 'NT AUTHORITY\SYSTEM'
    condition: sysmon_processcreation
falsepositives:
    - unknown
level: low