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Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
3,707
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Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
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Tune Translation
Active Rule
Boot Configuration Tampering Via Bcdedit.EXE
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Boot Configuration Tampering Via Bcdedit.EXE
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: Boot Configuration Tampering Via Bcdedit.EXE
id: 1444443e-6757-43e4-9ea4-c8fc705f79a2
status: stable
description: Detects the use of the bcdedit command to tamper with the boot configuration data. This technique is often times used by malware or attackers as a destructive way before launching ransomware.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1490/T1490.md
- https://eqllib.readthedocs.io/en/latest/analytics/c4732632-9c1d-4980-9fa8-1d98c93f918e.html
author: E.M. Anhaus (originally from Atomic Blue Detections, Endgame), oscd.community
date: 2019-10-24
modified: 2023-02-15
tags:
- attack.impact
- attack.t1490
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\bcdedit.exe'
- OriginalFileName: 'bcdedit.exe'
selection_set:
CommandLine|contains: 'set'
selection_cli:
- CommandLine|contains|all:
- 'bootstatuspolicy'
- 'ignoreallfailures'
- CommandLine|contains|all:
- 'recoveryenabled'
- 'no'
condition: all of selection_*
falsepositives:
- Unlikely
level: high
simulation:
- type: atomic-red-team
name: Windows - Disable Windows Recovery Console Repair
technique: T1490
atomic_guid: cf21060a-80b3-4238-a595-22525de4ab81
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_bcdedit_boot_conf_tamper.yml