SigmaHQ/rules/windows/process_creation/win_bootconf_mod.yml

title: Modification of Boot Configuration
id: 1444443e-6757-43e4-9ea4-c8fc705f79a2
description: Identifies use of the bcdedit command to delete boot configuration data. This tactic is sometimes used as by malware or an attacker as a destructive
    technique.
status: experimental
author: E.M. Anhaus (originally from Atomic Blue Detections, Endgame), oscd.community
date: 2019/10/24
modified: 2019/11/11
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1490/T1490.yaml
    - https://eqllib.readthedocs.io/en/latest/analytics/c4732632-9c1d-4980-9fa8-1d98c93f918e.html
tags:
    - attack.impact
    - attack.t1490
logsource:
    category: process_creation
    product: windows
detection:
    selection1:
        Image|endswith: \bcdedit.exe
        CommandLine|contains: set
    selection2:
        - CommandLine|contains|all:
            - bootstatuspolicy
            - ignoreallfailures
        - CommandLine|contains|all:
            - recoveryenabled
            - 'no'
    condition: selection1 and selection2
fields:
    - ComputerName
    - User
    - CommandLine
falsepositives:
    - Unlikely
level: high