IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Modification of Boot Configuration
editModification of Boot Configuration
editIdentifies use of bcdedit.exe to delete boot configuration data. This tactic is sometimes used as by malware or an attacker as a destructive technique.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: low
Risk score: 21
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Defense Evasion
Version: 8 (version history)
Added (Elastic Stack release): 7.7.0
Last modified (Elastic Stack release): 7.13.0
Rule authors: Elastic
Rule license: Elastic License v2
Rule query
editprocess where event.type in ("start", "process_started") 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")
Threat mapping
editFramework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Indicator Removal on Host
- ID: T1070
- Reference URL: https://attack.mitre.org/techniques/T1070/
Rule version history
edit- Version 8 (7.13.0 release)
-
-
Updated query, changed from:
event.category:process and event.type:(start or process_started) and process.name:bcdedit.exe and process.args:(/set and (bootstatuspolicy and ignoreallfailures or no and recoveryenabled))
-
- Version 7 (7.12.0 release)
-
- Formatting only
- Version 6 (7.11.2 release)
-
- Formatting only
- Version 5 (7.11.0 release)
-
- Formatting only
- Version 4 (7.10.0 release)
-
- Formatting only
- Version 3 (7.9.1 release)
-
- Formatting only
- Version 2 (7.9.0 release)
-
-
Updated query, changed from:
event.action:"Process Create (rule: ProcessCreate)" and process.name:bcdedit.exe and process.args:(/set and (bootstatuspolicy and ignoreallfailures or no and recoveryenabled))
-