sigmaDRL-1.1from SigmaHQ/sigma

HackTool - NPPSpy Hacktool Usage

Detects the use of NPPSpy hacktool that stores cleartext passwords of users that logged in to a local file

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Rule sourcerules/windows/file/file_event/file_event_win_hktl_nppspy.yml

title: HackTool - NPPSpy Hacktool Usage
id: cad1fe90-2406-44dc-bd03-59d0b58fe722
status: test
description: Detects the use of NPPSpy hacktool that stores cleartext passwords of users that logged in to a local file
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1003/T1003.md#atomic-test-2---credential-dumping-with-nppspy
    - https://twitter.com/0gtweet/status/1465282548494487554
author: Florian Roth (Nextron Systems)
date: 2021-11-29
modified: 2024-06-27
tags:
    - attack.credential-access
logsource:
    product: windows
    category: file_event
detection:
    selection:
        TargetFilename|endswith:
            - '\NPPSpy.txt'
            - '\NPPSpy.dll'
    condition: selection
falsepositives:
    - Unknown
level: high