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 (orignally 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