
title: Suspicious MsiExec Directory
author: Florian Roth
date: 2019/11/14
description: Detects suspicious msiexec process starts in an uncommon directory
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    Image: '*\msiexec.exe'
  SELECTION_3:
    Image:
    - C:\Windows\System32\\*
    - C:\Windows\SysWOW64\\*
    - C:\Windows\WinSxS\\*
  condition: (SELECTION_1 and SELECTION_2 and  not (SELECTION_3))
falsepositives:
- Unknown
id: e22a6eb2-f8a5-44b5-8b44-a2dbd47b1144
level: high
logsource:
  category: process_creation
  product: windows
references:
- https://twitter.com/200_okay_/status/1194765831911215104
status: experimental
tags:
- attack.defense_evasion
- attack.t1036.005
- attack.t1036
ruletype: SIGMA
