SigmaHQ/rules/windows/sysmon/sysmon_asep_reg_keys_modification.yml

title: Autorun Keys Modification
id: 17f878b8-9968-4578-b814-c4217fc5768c
description: Detects modification of autostart extensibility point (ASEP) in registry
status: experimental
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1060/T1060.yaml
tags:
    - attack.persistence
    - attack.t1060
    - attack.t1547.001
date: 2019/10/21
modified: 2019/11/10
author: Victor Sergeev, Daniil Yugoslavskiy, oscd.community
logsource:
    product: windows
    service: sysmon
detection:
    selection:
        EventID: 13
        TargetObject|contains:
            - '\software\Microsoft\Windows\CurrentVersion\Run'
            - '\software\Microsoft\Windows\CurrentVersion\RunOnce'
            - '\software\Microsoft\Windows\CurrentVersion\RunOnceEx'
            - '\software\Microsoft\Windows\CurrentVersion\RunServices'
            - '\software\Microsoft\Windows\CurrentVersion\RunServicesOnce'
            - '\software\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit'
            - '\software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell'
            - '\software\Microsoft\Windows NT\CurrentVersion\Windows'
            - '\software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders'
    condition: selection
falsepositives:
    - Legitimate software automatically (mostly, during installation) sets up autorun keys for legitimate reason
    - Legitimate administrator sets up autorun keys for legitimate reason
level: medium