Sigma Rule Library

HackTool - SharpEvtMute DLL Load

Detects the load of EvtMuteHook.dll, a key component of SharpEvtHook, a tool that tampers with the Windows event logs

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Detection logic

selection

Hashes|contains: IMPHASH=330768A4F172E10ACB6287B87289D83B

Condition

selection

Raw YAML

title: HackTool - SharpEvtMute DLL Load
id: 49329257-089d-46e6-af37-4afce4290685
related:
    - id: bedfc8ad-d1c7-4e37-a20e-e2b0dbee759c # Process Creation
      type: similar
status: test
description: Detects the load of EvtMuteHook.dll, a key component of SharpEvtHook, a tool that tampers with the Windows event logs
references:
    - https://github.com/bats3c/EvtMute
author: Florian Roth (Nextron Systems)
date: 2022-09-07
modified: 2024-11-23
tags:
    - attack.defense-impairment
    - attack.t1685.001
logsource:
    category: image_load
    product: windows
detection:
    selection:
        Hashes|contains: 'IMPHASH=330768A4F172E10ACB6287B87289D83B'
    condition: selection
falsepositives:
    - Other DLLs with the same Imphash
level: high

False positives

  • Other DLLs with the same Imphash

References

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