Sensitive File Dump Via Wbadmin.EXE
Detects the dump of highly sensitive files such as "NTDS.DIT" and "SECURITY" hive. Attackers can leverage the "wbadmin" utility in order to dump sensitive files that might contain credential or sensitive information.
Detection logic
selection_img
- Image|endswith: \wbadmin.exe
- OriginalFileName: WBADMIN.EXEselection_backup
CommandLine|contains:
- start
- backupselection_path
CommandLine|contains:
- \config\SAM
- \config\SECURITY
- \config\SYSTEM
- \Windows\NTDS\NTDS.ditCondition
all of selection_*Raw YAML
title: Sensitive File Dump Via Wbadmin.EXE
id: 8b93a509-1cb8-42e1-97aa-ee24224cdc15
status: test
description: |
Detects the dump of highly sensitive files such as "NTDS.DIT" and "SECURITY" hive.
Attackers can leverage the "wbadmin" utility in order to dump sensitive files that might contain credential or sensitive information.
references:
- https://github.com/LOLBAS-Project/LOLBAS/blob/2cc01b01132b5c304027a658c698ae09dd6a92bf/yml/OSBinaries/Wbadmin.yml
- https://lolbas-project.github.io/lolbas/Binaries/Wbadmin/
- https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/wbadmin-start-recovery
- https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/wbadmin-start-backup
author: Nasreddine Bencherchali (Nextron Systems), frack113
date: 2024-05-10
tags:
- attack.credential-access
- attack.t1003.003
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\wbadmin.exe'
- OriginalFileName: 'WBADMIN.EXE'
selection_backup:
CommandLine|contains:
- 'start'
- 'backup'
selection_path:
CommandLine|contains:
- '\config\SAM'
- '\config\SECURITY'
- '\config\SYSTEM'
- '\Windows\NTDS\NTDS.dit'
condition: all of selection_*
falsepositives:
- Legitimate backup operation by authorized administrators. Matches must be investigated and allowed on a case by case basis.
level: highFalse positives
- Legitimate backup operation by authorized administrators. Matches must be investigated and allowed on a case by case basis.
References
- https://github.com/LOLBAS-Project/LOLBAS/blob/2cc01b01132b5c304027a658c698ae09dd6a92bf/yml/OSBinaries/Wbadmin.yml
- https://lolbas-project.github.io/lolbas/Binaries/Wbadmin/
- https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/wbadmin-start-recovery
- https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/wbadmin-start-backup