SigmaHQ/rules/windows/process_creation/win_susp_execution_path.yml

title: Execution from Suspicious Folder
id: 3dfd06d2-eaf4-4532-9555-68aca59f57c4
status: experimental
description: Detects a suspicious execution from an uncommon folder
author: Florian Roth
date: 2019/01/16
modified: 2021/03/31
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/
    - https://github.com/ThreatHuntingProject/ThreatHunting/blob/master/hunts/suspicious_process_creation_via_windows_event_logs.md
tags:
    - attack.defense_evasion
    - attack.t1036
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|contains:
            - '\$Recycle.bin\'
            - '\config\systemprofile\'
            - '\Intel\Logs\'
            - '\RSA\MachineKeys\'
            - '\Users\All Users\'
            - '\Users\Default\'
            - '\Users\NetworkService\'
            - '\Users\Public\'
            - '\Windows\addins\'
            - '\Windows\debug\'
            - '\Windows\Fonts\'
            - '\Windows\Help\'
            - '\Windows\IME\'
            - '\Windows\Media\'
            - '\Windows\repair\'
            - '\Windows\security\'
            - '\Windows\system32\config\systemprofile\'
            - '\Windows\System32\Tasks\'
            - '\Windows\Tasks\'
        - Image|startswith: 'C:\Perflogs\'
    condition: selection
fields:
    - CommandLine
    - ParentCommandLine
falsepositives:
    - Unknown
level: high