SigmaHQ/rules/windows/other/win_tool_psexec.yml

64 lines
1.4 KiB
YAML

action: global
title: PsExec Tool Execution
id: 42c575ea-e41e-41f1-b248-8093c3e82a28
status: experimental
description: Detects PsExec service installation and execution events (service and Sysmon)
author: Thomas Patzke
date: 2017/06/12
modified: 2021/05/16
references:
- https://www.jpcert.or.jp/english/pub/sr/ir_research.html
- https://jpcertcc.github.io/ToolAnalysisResultSheet
tags:
- attack.execution
- attack.t1035 # an old one
- attack.t1569.002
- attack.s0029
detection:
condition: 1 of them
fields:
- EventID
- CommandLine
- ParentCommandLine
- ServiceName
- ServiceFileName
- TargetFileName
- PipeName
falsepositives:
- unknown
level: low
---
logsource:
product: windows
service: system
detection:
service_installation:
EventID: 7045
ServiceName: 'PSEXESVC'
ServiceFileName|endswith: '\PSEXESVC.exe'
service_execution:
EventID: 7036
ServiceName: 'PSEXESVC'
---
logsource:
category: process_creation
product: windows
detection:
sysmon_processcreation:
Image|endswith: '\PSEXESVC.exe'
User: 'NT AUTHORITY\SYSTEM'
---
logsource:
category: pipe_created
product: windows
detection:
sysmon_pipecreated:
PipeName: '\PSEXESVC'
---
logsource:
category: file_event
product: windows
detection:
sysmon_filecreation:
TargetFileName|endswith: '\PSEXESVC.exe'