SigmaHQ/rules/windows/sysmon/sysmon_susp_run_key_img_folder.yml

title: New RUN Key Pointing to Suspicious Folder
id: 02ee49e2-e294-4d0f-9278-f5b3212fc588
status: experimental
description: Detects suspicious new RUN key element pointing to an executable in a suspicious folder
references:
    - https://www.fireeye.com/blog/threat-research/2018/08/fin7-pursuing-an-enigmatic-and-evasive-global-criminal-operation.html
author: Florian Roth, Markus Neis
tags:
    - attack.persistence
    - attack.t1060
date: 2018/25/08
modified: 2020/02/26
logsource:
    product: windows
    service: sysmon
detection:
    selection:
        EventID: 13
        TargetObject: 
            - '*\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\\*'
            - '*\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\\*'
        Details:
            - '*C:\Windows\Temp\\*'
            - '*\AppData\\*'
            - '%AppData%\\*'
            - '*C:\$Recycle.bin\\*'
            - '*C:\Temp\\*'
            - '*C:\Users\Public\\*'
            - '%Public%\\*'
            - '*C:\Users\Default\\*'
            - '*C:\Users\Desktop\\*'
            - 'wscript*'
            - 'cscript*'
    filter:
        Details|contains:
          - '\AppData\Local\Microsoft\OneDrive\'  # OneDrive False Positives
    condition: selection and not filter
fields:
    - Image
falsepositives:
    - Software using the AppData folders for updates
level: high