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sigmaDRL-1.1from SigmaHQ/sigma

NTDS.DIT Creation By Uncommon Process

Detects creation of a file named "ntds.dit" (Active Directory Database) by an uncommon process or a process located in a suspicious directory

Quality
54
FP risk
Forks
0
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ATT&CK techniques
Rule sourcerules/windows/file/file_event/file_event_win_ntds_dit_uncommon_process.yml
title: NTDS.DIT Creation By Uncommon Process
id: 11b1ed55-154d-4e82-8ad7-83739298f720
related:
    - id: 4e7050dd-e548-483f-b7d6-527ab4fa784d
      type: similar
status: test
description: Detects creation of a file named "ntds.dit" (Active Directory Database) by an uncommon process or a process located in a suspicious directory
references:
    - https://stealthbits.com/blog/extracting-password-hashes-from-the-ntds-dit-file/
    - https://adsecurity.org/?p=2398
author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)
date: 2022-01-11
modified: 2022-07-14
tags:
    - attack.credential-access
    - attack.t1003.002
    - attack.t1003.003
logsource:
    product: windows
    category: file_event
detection:
    selection_ntds:
        TargetFilename|endswith: '\ntds.dit'
    selection_process_img:
        Image|endswith:
            # Add more suspicious processes as you see fit
            - '\cmd.exe'
            - '\cscript.exe'
            - '\mshta.exe'
            - '\powershell.exe'
            - '\pwsh.exe'
            - '\regsvr32.exe'
            - '\rundll32.exe'
            - '\wscript.exe'
            - '\wsl.exe'
            - '\wt.exe'
    selection_process_paths:
        Image|contains:
            - '\AppData\'
            - '\Temp\'
            - '\Public\'
            - '\PerfLogs\'
    condition: selection_ntds and 1 of selection_process_*
falsepositives:
    - Unknown
level: high
NTDS.DIT Creation By Uncommon Process · SIGMA rule | DetectionLint