title: Mshta JavaScript Execution
id: 67f113fa-e23d-4271-befa-30113b3e08b1
description: Identifies suspicious mshta.exe commands
status: experimental
author: E.M. Anhaus (orignally from Atomic Blue Detections, Endgame), oscd.community
date: 2019/10/24
modified: 2020/09/01
references:
    - https://eqllib.readthedocs.io/en/latest/analytics/6bc283c4-21f2-4aed-a05c-a9a3ffa95dd4.html
    - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1170/T1170.yaml
tags:
    - attack.defense_evasion
    - attack.t1170          # an old one
    - attack.t1218.005
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\mshta.exe'
        CommandLine|contains: 'javascript'
    condition: selection
fields:
    - ComputerName
    - User
    - CommandLine
falsepositives:
    - unknown
level: high
## todo — add sysmon eid 3 for this rule