Uninstall Crowdstrike Falcon Sensor — Sigma Rule

Rule metadata and linked tags

Author: frack113. Source status: test; severity: high. Source dates: 2021-07-12 / 2023-03-09.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 72c239ce3aebeb6a00974467c5b9abf96da83b2b33ba44a9a71da1363d7ac48d

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: Uninstall Crowdstrike Falcon Sensor
id: f0f7be61-9cf5-43be-9836-99d6ef448a18
status: test
description: Adversaries may disable security tools to avoid possible detection of their tools and activities by uninstalling Crowdstrike Falcon
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md
author: frack113
date: 2021-07-12
modified: 2023-03-09
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains|all:
            - '\WindowsSensor.exe'
            - ' /uninstall'
            - ' /quiet'
    condition: selection
falsepositives:
    - Administrator might leverage the same command line for debugging or other purposes. However this action must be always investigated
level: high

Original YAML and metadata in JSON

False positives

• Administrator might leverage the same command line for debugging or other purposes. However this action must be always investigated

Source references

• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md