Sensitive File Dump Via Wbadmin.EXE

testhigh
Log-Quelle: windows · process_creationAutor Nasreddine Bencherchali (Nextron Systems), frack113Datum 2024-05-10
01

Beschreibung

Was dies ist, in Kürze.

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.

02

Tags

attack.credential-accessattack.t1003.003
03

Regelquelle (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: high
04

erkennt Techniken (1)

ATT&CK-Techniken, die dies ermöglicht oder abbildet.

05

Referenzen

Externe Belege — Patches, Meldungen, Analysen.