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Convert indexed Sigma rules into analyst-ready detections.

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CLI Versions

Newest: 2.0.2

Translation Workspace

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Active Rule

NTDS Exfiltration Filename Patterns

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

NTDS Exfiltration Filename Patterns

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: NTDS Exfiltration Filename Patterns
id: 3a8da4e0-36c1-40d2-8b29-b3e890d5172a
status: test
description: Detects creation of files with specific name patterns seen used in various tools that export the NTDS.DIT for exfiltration.
references:
    - https://github.com/rapid7/metasploit-framework/blob/eb6535009f5fdafa954525687f09294918b5398d/modules/post/windows/gather/ntds_grabber.rb
    - https://github.com/rapid7/metasploit-framework/blob/eb6535009f5fdafa954525687f09294918b5398d/data/post/powershell/NTDSgrab.ps1
    - https://github.com/SecureAuthCorp/impacket/blob/7d2991d78836b376452ca58b3d14daa61b67cb40/impacket/examples/secretsdump.py#L2405
author: Florian Roth (Nextron Systems)
date: 2022-03-11
modified: 2023-05-05
tags:
    - attack.credential-access
    - attack.t1003.003
logsource:
    product: windows
    category: file_event
detection:
    selection:
        TargetFilename|endswith:
            - '\All.cab' # https://github.com/rapid7/metasploit-framework/blob/eb6535009f5fdafa954525687f09294918b5398d/data/post/powershell/NTDSgrab.ps1
            - '.ntds.cleartext' # https://github.com/SecureAuthCorp/impacket/blob/7d2991d78836b376452ca58b3d14daa61b67cb40/impacket/examples/secretsdump.py#L2405
    condition: selection
falsepositives:
    - Unknown
level: high

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/windows/file/file_event/file_event_win_ntds_exfil_tools.yml