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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

Tune Translation

Active Rule

Malicious PowerShell Keywords

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Malicious PowerShell Keywords

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: Malicious PowerShell Keywords
id: f62176f3-8128-4faa-bf6c-83261322e5eb
status: test
description: Detects keywords from well-known PowerShell exploitation frameworks
references:
    - https://adsecurity.org/?p=2921
author: Sean Metcalf (source), Florian Roth (Nextron Systems)
date: 2017-03-05
modified: 2023-06-20
tags:
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection:
        ScriptBlockText|contains:
            - 'AdjustTokenPrivileges'
            - 'IMAGE_NT_OPTIONAL_HDR64_MAGIC'
            # - 'LSA_UNICODE_STRING'
            - 'Metasploit'
            - 'Microsoft.Win32.UnsafeNativeMethods'
            - 'Mimikatz'
            - 'MiniDumpWriteDump'
            - 'PAGE_EXECUTE_READ'
            - 'ReadProcessMemory.Invoke'
            - 'SE_PRIVILEGE_ENABLED'
            - 'SECURITY_DELEGATION'
            - 'TOKEN_ADJUST_PRIVILEGES'
            - 'TOKEN_ALL_ACCESS'
            - 'TOKEN_ASSIGN_PRIMARY'
            - 'TOKEN_DUPLICATE'
            - 'TOKEN_ELEVATION'
            - 'TOKEN_IMPERSONATE'
            - 'TOKEN_INFORMATION_CLASS'
            - 'TOKEN_PRIVILEGES'
            - 'TOKEN_QUERY'
    condition: selection
falsepositives:
    - Depending on the scripts, this rule might require some initial tuning to fit the environment
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/windows/powershell/powershell_script/posh_ps_malicious_keywords.yml