title: WSF/JSE/JS/VBA/VBE File Execution
author: Michael Haag
date: 2019/01/16
description: Detects suspicious file execution by wscript and cscript
detection:
    SELECTION_1:
        EventID: 1
    SELECTION_2:
        Image: '*\wscript.exe'
    SELECTION_3:
        Image: '*\cscript.exe'
    SELECTION_4:
        CommandLine: '*.jse*'
    SELECTION_5:
        CommandLine: '*.vbe*'
    SELECTION_6:
        CommandLine: '*.js*'
    SELECTION_7:
        CommandLine: '*.vba*'
    condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3) and (SELECTION_4 or SELECTION_5
        or SELECTION_6 or SELECTION_7))
falsepositives:
- Will need to be tuned. I recommend adding the user profile path in CommandLine if
    it is getting too noisy.
fields:
- CommandLine
- ParentCommandLine
id: 1e33157c-53b1-41ad-bbcc-780b80b58288
level: medium
logsource:
    category: process_creation
    product: windows
modified: 2020/08/28
status: experimental
tags:
- attack.execution
- attack.t1059.005
- attack.t1059.007
- attack.t1064
yml_filename: win_susp_script_execution.yml
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation