NTFS Vulnerability Exploitation — Sigma Rule

Rule metadata and linked tags

Author: Florian Roth (Nextron Systems). Source status: test; severity: high. Source dates: 2021-01-11 / 2022-12-25.

{
  "product": "windows",
  "service": "system"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: c10364ae802cab9f78d7020884f179ae52c411ddd7a2360226802a11550fa759

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: NTFS Vulnerability Exploitation
id: f14719ce-d3ab-4e25-9ce6-2899092260b0
status: test
description: This the exploitation of a NTFS vulnerability as reported without many details via Twitter
references:
    - https://twitter.com/jonasLyk/status/1347900440000811010
    - https://twitter.com/wdormann/status/1347958161609809921
    - https://www.bleepingcomputer.com/news/security/windows-10-bug-corrupts-your-hard-drive-on-seeing-this-files-icon/
author: Florian Roth (Nextron Systems)
date: 2021-01-11
modified: 2022-12-25
tags:
    - attack.impact
    - attack.t1499.001
logsource:
    product: windows
    service: system
detection:
    selection:
        Provider_Name: Ntfs
        EventID: 55
        Origin: 'File System Driver'
        Description|contains|all:
            - 'contains a corrupted file record'
            - 'The name of the file is "\"'
    condition: selection
falsepositives:
    - Unlikely
level: high

Original YAML and metadata in JSON

False positives

• Unlikely

Source references

• https://twitter.com/jonasLyk/status/1347900440000811010
• https://twitter.com/wdormann/status/1347958161609809921
• https://www.bleepingcomputer.com/news/security/windows-10-bug-corrupts-your-hard-drive-on-seeing-this-files-icon/