SigmaHQ/rules/windows/process_creation/win_susp_exec_folder.yml

title: Executables Started in Suspicious Folder
status: experimental
description: Detects process starts of binaries from a suspicious folder
author: Florian Roth
date: 2017/10/14
modfied: 2019/02/21
references:
    - https://github.com/mbevilacqua/appcompatprocessor/blob/master/AppCompatSearch.txt
    - https://www.secureworks.com/research/bronze-butler-targets-japanese-businesses
    - https://www.crowdstrike.com/resources/reports/2019-crowdstrike-global-threat-report/
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image:
            - C:\PerfLogs\\*
            - C:\$Recycle.bin\\*
            - C:\Intel\Logs\\*
            - C:\Users\Default\\*
            - C:\Users\Public\\*
            - C:\Users\NetworkService\\*
            - C:\Windows\Fonts\\*
            - C:\Windows\Debug\\*
            - C:\Windows\Media\\*
            - C:\Windows\Help\\*
            - C:\Windows\addins\\*
            - C:\Windows\repair\\*
            - C:\Windows\security\\*
            - '*\RSA\MachineKeys\\*'
            - C:\Windows\system32\config\systemprofile\\*
    condition: selection
falsepositives:
    - Unknown
level: high