PUA - Sysinternals Tools Execution - Registry


Description

Detects the execution of some potentially unwanted tools such as PsExec, Procdump, etc. (part of the Sysinternals suite) via the creation of the "accepteula" registry key.

Query · sigma

selection:
  TargetObject|contains:
  - \Active Directory Explorer
  - \Handle
  - \LiveKd
  - \Process Explorer
  - \ProcDump
  - \PsExec
  - \PsLoglist
  - \PsPasswd
  - \SDelete
  - \Sysinternals
  TargetObject|endswith: \EulaAccepted
condition: selection

Known false positives

  • Legitimate use of SysInternals tools. Filter the legitimate paths used in your environment
Raw source PUA - Sysinternals Tools Execution - Registry · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: PUA - Sysinternals Tools Execution - Registry
id: c7da8edc-49ae-45a2-9e61-9fd860e4e73d
related:
    - id: 25ffa65d-76d8-4da5-a832-3f2b0136e133
      type: derived
    - id: 9841b233-8df8-4ad7-9133-b0b4402a9014
      type: obsolete
status: test
description: Detects the execution of some potentially unwanted tools such as PsExec, Procdump, etc. (part of the Sysinternals suite) via the creation of the "accepteula" registry key.
references:
    - https://twitter.com/Moti_B/status/1008587936735035392
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-08-24
modified: 2025-10-26
tags:
    - attack.resource-development
    - attack.t1588.002
logsource:
    product: windows
    category: registry_set
detection:
    selection:
        TargetObject|contains:
            - '\Active Directory Explorer'
            - '\Handle'
            - '\LiveKd'
            - '\Process Explorer'
            - '\ProcDump'
            - '\PsExec'
            - '\PsLoglist'
            - '\PsPasswd'
            - '\SDelete'
            - '\Sysinternals' # Global level https://twitter.com/leonzandman/status/1561736801953382400
        TargetObject|endswith: '\EulaAccepted'
    condition: selection
falsepositives:
    - Legitimate use of SysInternals tools. Filter the legitimate paths used in your environment
level: medium
regression_tests_path: regression_data/rules/windows/registry/registry_set/registry_set_pua_sysinternals_susp_execution_via_eula/info.yml

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