Sysmon Blocked Executable

Description

Triggers on any Sysmon "FileBlockExecutable" event, which indicates a violation of the configured block policy

Query · sigma

selection:
  EventID: 27
condition: selection

Known false positives

  • Unlikely
Raw source Sysmon Blocked Executable · Sigma
Esc
Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Sysmon Blocked Executable
id: 23b71bc5-953e-4971-be4c-c896cda73fc2
status: test
description: Triggers on any Sysmon "FileBlockExecutable" event, which indicates a violation of the configured block policy
references:
    - https://medium.com/@olafhartong/sysmon-14-0-fileblockexecutable-13d7ba3dff3e
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-08-16
modified: 2023-09-16
tags:
    - attack.defense-impairment
logsource:
    product: windows
    service: sysmon
detection:
    selection:
        EventID: 27  # this is fine, we want to match any FileBlockExecutable event
    condition: selection
falsepositives:
    - Unlikely
level: high

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.