Convert indexed Sigma rules into analyst-ready detections.

title: HackTool - SharpDPAPI Execution
id: c7d33b50-f690-4b51-8cfb-0fb912a31e57
status: test
description: |
    Detects the execution of the SharpDPAPI tool based on CommandLine flags and PE metadata.
    SharpDPAPI is a C# port of some DPAPI functionality from the Mimikatz project.
references:
    - https://github.com/GhostPack/SharpDPAPI
author: Nasreddine Bencherchali (Nextron Systems)
date: 2024-06-26
tags:
    - attack.privilege-escalation
    - attack.defense-evasion
    - attack.t1134.001
    - attack.t1134.003
logsource:
    product: windows
    category: process_creation
detection:
    selection_img:
        - Image|endswith: '\SharpDPAPI.exe'
        - OriginalFileName: 'SharpDPAPI.exe'
    selection_other_cli:
        CommandLine|contains:
            - ' backupkey '
            - ' blob '
            - ' certificates '
            - ' credentials '
            - ' keepass '
            - ' masterkeys '
            - ' rdg '
            - ' vaults '
    selection_other_options_guid:
        CommandLine|contains|all:
            - ' {'
            - '}:'
    selection_other_options_flags:
        CommandLine|contains:
            - ' /file:'
            - ' /machine'
            - ' /mkfile:'
            - ' /password:'
            - ' /pvk:'
            - ' /server:'
            - ' /target:'
            - ' /unprotect'
    condition: selection_img or (selection_other_cli and 1 of selection_other_options_*)
falsepositives:
    - Unknown
level: high