Modification of Boot Configuration

Last updated 5 months ago on 2025-03-20

Created 5 years ago on 2020-03-16

About

Identifies use of bcdedit.exe to delete boot configuration data. This tactic is sometimes used as by malware or an attacker as a destructive technique.

Tags

Domain: EndpointOS: WindowsUse Case: Threat DetectionTactic: ImpactData Source: Elastic EndgameData Source: Elastic DefendData Source: Windows Security Event LogsData Source: Microsoft Defender for EndpointData Source: SysmonData Source: SentinelOneData Source: CrowdstrikeLanguage: eql

Severity

low

Risk Score

MITRE ATT&CK™

Impact (TA0040)(opens in a new tab or window)

↳ Inhibit System Recovery (T1490)(opens in a new tab or window)

License

Elastic License v2(opens in a new tab or window)

Definition

Rule Type

Event Correlation Rule

Integration Pack

Prebuilt Security Detection Rules

Index Patterns

endgame-*logs-crowdstrike.fdr*logs-endpoint.events.process-*logs-m365_defender.event-*logs-sentinel_one_cloud_funnel.*logs-system.security*logs-windows.forwarded*logs-windows.sysmon_operational-*winlogbeat-*

Related Integrations

endpoint(opens in a new tab or window)

windows(opens in a new tab or window)

system(opens in a new tab or window)

m365_defender(opens in a new tab or window)

sentinel_one_cloud_funnel(opens in a new tab or window)

crowdstrike(opens in a new tab or window)

Query

process where host.os.type == "windows" and event.type == "start" and
  (process.name : "bcdedit.exe" or ?process.pe.original_file_name == "bcdedit.exe") and
    (
      (process.args : "/set" and process.args : "bootstatuspolicy" and process.args : "ignoreallfailures") or
      (process.args : "no" and process.args : "recoveryenabled")
    )

Install detection rules in Elastic Security

Detect Modification of Boot Configuration in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).