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Convert indexed Sigma rules into analyst-ready detections.

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Indexed Rules

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Backends

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CLI Versions

Newest: 2.0.2

Translation Workspace

Shape the rule before it leaves Phoenix

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Active Rule

New Firewall Rule Added In Windows Firewall Exception List For Potential Suspicious Application

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

New Firewall Rule Added In Windows Firewall Exception List For Potential Suspicious Application

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: New Firewall Rule Added In Windows Firewall Exception List For Potential Suspicious Application
id: 9e2575e7-2cb9-4da1-adc8-ed94221dca5e
related:
    - id: cde0a575-7d3d-4a49-9817-b8004a7bf105
      type: derived
status: test
description: Detects the addition of a new rule to the Windows Firewall exception list for an application located in a potentially suspicious location.
references:
    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-r2-and-2008/dd364427(v=ws.10)
    - https://app.any.run/tasks/7123e948-c91e-49e0-a813-00e8d72ab393/#
author: frack113
date: 2023-02-26
modified: 2024-05-10
tags:
    - attack.defense-evasion
    - attack.t1562.004
logsource:
    product: windows
    service: firewall-as
detection:
    selection:
        EventID:
            - 2004 # A rule has been added to the Windows Defender Firewall exception list. (Windows 10)
            - 2071 # A rule has been added to the Windows Defender Firewall exception list. (Windows 11)
            - 2097
        ApplicationPath|contains:
            - ':\PerfLogs\'
            - ':\Temp\'
            - ':\Tmp\'
            - ':\Users\Public\'
            - ':\Windows\Tasks\'
            - ':\Windows\Temp\'
            - '\AppData\Local\Temp\'
    filter_main_block:
        Action: 2 # Block
    condition: selection and not 1 of filter_main_*
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/builtin/firewall_as/win_firewall_as_add_rule_susp_folder.yml