HackTool - EDRSilencer Execution — Sigma Rule

Rule metadata and linked tags

Author: @gott_cyber. Source status: test; severity: high. Source dates: 2024-01-02 / not supplied.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: a50b675a6c02852f8dd4fd0a64358322ce5b880cc6baccc9c757b26222ee214b

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: HackTool - EDRSilencer Execution
id: eb2d07d4-49cb-4523-801a-da002df36602
status: test
description: |
    Detects the execution of EDRSilencer, a tool that leverages Windows Filtering Platform (WFP) to block Endpoint Detection and Response (EDR) agents from reporting security events to the server based on PE metadata information.
references:
    - https://github.com/netero1010/EDRSilencer
author: '@gott_cyber'
date: 2024-01-02
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|endswith: '\EDRSilencer.exe'
        - OriginalFileName: 'EDRSilencer.exe'
        - Description|contains: 'EDRSilencer'
    condition: selection
falsepositives:
    - Unlikely
level: high

Original YAML and metadata in JSON

False positives

• Unlikely

Source references

• https://github.com/netero1010/EDRSilencer