title: Mshta JavaScript Execution
ruletype: Sigma
author: E.M. Anhaus (originally from Atomic Blue Detections, Endgame), oscd.community
date: 2019/10/24
description: Identifies suspicious mshta.exe commands.
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    Image: '*\mshta.exe'
  SELECTION_3:
    CommandLine: '*javascript*'
  condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
falsepositives:
- unknown
fields:
- ComputerName
- User
- CommandLine
id: 67f113fa-e23d-4271-befa-30113b3e08b1
level: high
logsource:
  category: process_creation
  product: windows
modified: 2021/11/27
references:
- https://eqllib.readthedocs.io/en/latest/analytics/6bc283c4-21f2-4aed-a05c-a9a3ffa95dd4.html
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1218.005/T1218.005.md
status: test
tags:
- attack.defense_evasion
- attack.t1170
- attack.t1218.005