Detection rules › Sigma

Win Defender Restored Quarantine File

Status
test
Severity
high
Log source
product windows, service windefend
Author
Nasreddine Bencherchali (Nextron Systems)
Source
github.com/SigmaHQ/sigma

Detects the restoration of files from the defender quarantine

MITRE ATT&CK coverage

TacticTechniques
Defense ImpairmentT1685 Disable or Modify Tools

Event coverage

Rule body yaml

title: Win Defender Restored Quarantine File
id: bc92ca75-cd42-4d61-9a37-9d5aa259c88b
status: test
description: Detects the restoration of files from the defender quarantine
references:
    - https://learn.microsoft.com/en-us/defender-endpoint/troubleshoot-microsoft-defender-antivirus?view=o365-worldwide
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-12-06
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    product: windows
    service: windefend
detection:
    selection:
        EventID: 1009 # The antimalware platform restored an item from quarantine.
    condition: selection
falsepositives:
    - Legitimate administrator activity restoring a file
level: high

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    EventID: 1009