title: PsExec Tool Execution
ruletype: Sigma
author: Thomas Patzke
date: 2017/06/12
description: Detects PsExec service installation and execution events (service and
  Sysmon)
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    Image: '*\PSEXESVC.exe'
  SELECTION_3:
    User: NT AUTHORITY\SYSTEM*
  condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
falsepositives:
- unknown
fields:
- EventID
- CommandLine
- ParentCommandLine
- ServiceName
- ServiceFileName
- TargetFilename
- PipeName
id: fa91cc36-24c9-41ce-b3c8-3bbc3f2f67ba
level: low
logsource:
  category: process_creation
  product: windows
modified: 2021/09/21
references:
- https://www.jpcert.or.jp/english/pub/sr/ir_research.html
- https://jpcertcc.github.io/ToolAnalysisResultSheet
related:
- id: 42c575ea-e41e-41f1-b248-8093c3e82a28
  type: derived
status: experimental
tags:
- attack.execution
- attack.t1035
- attack.t1569.002
- attack.s0029