SigmaHQ/rules/windows/process_creation/win_mshta_spawn_shell.yml
2020-09-02 02:34:34 +02:00

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YAML

title: MSHTA Spawning Windows Shell
id: 03cc0c25-389f-4bf8-b48d-11878079f1ca
status: experimental
description: Detects a Windows command line executable started from MSHTA
references:
- https://www.trustedsec.com/july-2015/malicious-htas/
author: Michael Haag
date: 2019/01/16
modified: 2020/09/01
logsource:
category: process_creation
product: windows
detection:
selection:
ParentImage: '*\mshta.exe'
Image:
- '*\cmd.exe'
- '*\powershell.exe'
- '*\wscript.exe'
- '*\cscript.exe'
- '*\sh.exe'
- '*\bash.exe'
- '*\reg.exe'
- '*\regsvr32.exe'
- '*\BITSADMIN*'
condition: selection
fields:
- CommandLine
- ParentCommandLine
tags:
- attack.defense_evasion
- attack.t1170 # an old one
- attack.t1218.005
- car.2013-02-003
- car.2013-03-001
- car.2014-04-003
falsepositives:
- Printer software / driver installations
- HP software
level: high