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AADInternals PowerShell Cmdlets Execution - ProccessCreation

SIGMA detection rule by Austin Songer (@austinsonger), Nasreddine Bencherchali (Nextron Systems), Swachchhanda Shrawan Poudel (Nextron Systems) · NOASSERTION

Detects ADDInternals Cmdlet execution. A tool for administering Azure AD and Office 365. Which can be abused by threat actors to attack Azure AD or Office 365.

title: AADInternals PowerShell Cmdlets Execution - ProccessCreation
id: c86500e9-a645-4680-98d7-f882c70c1ea3
related:
    - id: 91e69562-2426-42ce-a647-711b8152ced6
      type: similar
status: test
description: Detects ADDInternals Cmdlet execution. A tool for administering Azure AD and Office 365. Which can be abused by threat actors to attack Azure AD or Office 365.
references:
    - https://o365blog.com/aadinternals/
    - https://github.com/Gerenios/AADInternals
author: Austin Songer (@austinsonger), Nasreddine Bencherchali (Nextron Systems), Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2022-12-23
modified: 2025-02-06
tags:
    - attack.execution
    - attack.reconnaissance
    - attack.discovery
    - attack.credential-access
    - attack.impact
logsource:
    product: windows
    category: process_creation
detection:
    selection_img:
        - Image|endswith:
              - '\powershell.exe'
              - '\powershell_ise.exe'
              - '\pwsh.exe'
        - OriginalFileName:
              - 'PowerShell.Exe'
              - 'pwsh.dll'
    selection_cli:
        CommandLine|contains:
            # Since most of the cmdlets use a unique enough string which is "-AADInt" we only used that portion. For a complete list please check the references linked above
            - 'Add-AADInt'
            - 'ConvertTo-AADInt'
            - 'Disable-AADInt'
            - 'Enable-AADInt'
            - 'Export-AADInt'
            - 'Find-AADInt'
            - 'Get-AADInt'
            - 'Grant-AADInt'
            - 'Initialize-AADInt'
            - 'Install-AADInt'
            - 'Invoke-AADInt'
            - 'Join-AADInt'
            - 'New-AADInt'
            - 'Open-AADInt'
            - 'Read-AADInt'
            - 'Register-AADInt'
            - 'Remove-AADInt'
            - 'Reset-AADInt'
            - 'Resolve-AADInt'
            - 'Restore-AADInt'
            - 'Save-AADInt'
            - 'Search-AADInt'
            - 'Send-AADInt'
            - 'Set-AADInt'
            - 'Start-AADInt'
            - 'Unprotect-AADInt'
            - 'Update-AADInt'
    condition: all of selection_*
falsepositives:
    - Legitimate use of the library for administrative activity
level: high

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Executable code, not a declarative rule

This submission is arbitrary [[ currentRule.format ? currentRule.format.toUpperCase() : '' ]] code, not a declarative detection rule — review it as you would any script before running it, and note that it cannot be safely aggregated or auto-executed alongside YARA/Sigma/Suricata/CRS rules.

Rejected pattern present

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Format & documentation suggestions

Not a security issue — this rule is valid and was accepted as-is. These are optional fields/conventions its own format recommends, mainly affecting its quality score and how well it documents itself for other reviewers.

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