blue-team-tools/rules/windows/process_creation/process_creation_susp_image_missing.yml

title: Execution Of Not Existing File
id: 71158e3f-df67-472b-930e-7d287acaa3e1
status: experimental
description: Checks whether the image specified in a process creation event is not a full, absolute path (caused by process ghosting or other unorthodox methods to start a process)
author: Max Altgelt
date: 2021/12/09
modified: 2022/01/25
references:
    - https://pentestlaboratories.com/2021/12/08/process-ghosting/
tags:
    - attack.defense_evasion
logsource:
    category: process_creation
    product: windows
detection:
    image_absolute_path:
        Image|contains: '\'
    filter_null:
        Image: null
    filter_empty:
        Image:
            - '-'
            - ''
    filter_4688:
        - Image: 'Registry'
        - CommandLine: 'Registry'
    condition: not image_absolute_path and not 1 of filter*
falsepositives:
    - unknown
level: high