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Indexed Rules
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CLI Versions
10
Newest: 2.0.2
Translation Workspace
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Active Rule
Python Function Execution Security Warning Disabled In Excel
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Python Function Execution Security Warning Disabled In Excel
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: Python Function Execution Security Warning Disabled In Excel
id: 023c654f-8f16-44d9-bb2b-00ff36a62af9
related:
- id: 17e53739-a1fc-4a62-b1b9-87711c2d5e44
type: similar
status: test
description: |
Detects changes to the registry value "PythonFunctionWarnings" that would prevent any warnings or alerts from showing when Python functions are about to be executed.
Threat actors could run malicious code through the new Microsoft Excel feature that allows Python to run within the spreadsheet.
references:
- https://support.microsoft.com/en-us/office/data-security-and-python-in-excel-33cc88a4-4a87-485e-9ff9-f35958278327
author: '@Kostastsale'
date: 2023-08-22
tags:
- attack.defense-evasion
- attack.t1562.001
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains|all:
- '\Microsoft\Office\'
- '\Excel\Security'
- 'PythonFunctionWarnings'
CommandLine|contains: ' 0'
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/process_creation/proc_creation_win_registry_office_disable_python_security_warnings.yml