Nasreddine Bencherchali
34 lines
1.1 KiB
YAML
34 lines
1.1 KiB
YAML
title: Important Windows Eventlog Cleared
|
|
id: 100ef69e-3327-481c-8e5c-6d80d9507556
|
|
related:
|
|
- id: a62b37e0-45d3-48d9-a517-90c1a1b0186b
|
|
type: derived
|
|
status: experimental
|
|
description: Detects the clearing of one of the Windows Core Eventlogs. e.g. caused by "wevtutil cl" command execution
|
|
references:
|
|
- https://twitter.com/deviouspolack/status/832535435960209408
|
|
- https://www.hybrid-analysis.com/sample/027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745?environmentId=100
|
|
author: Florian Roth (Nextron Systems), Tim Shelton
|
|
date: 2022/05/17
|
|
modified: 2023/01/18
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.t1070.001
|
|
- car.2016-04-002
|
|
logsource:
|
|
product: windows
|
|
service: system
|
|
detection:
|
|
selection:
|
|
EventID: 104
|
|
Provider_Name: 'Microsoft-Windows-Eventlog'
|
|
Channel:
|
|
- 'System'
|
|
- 'Security'
|
|
- 'Application'
|
|
condition: selection
|
|
falsepositives:
|
|
- Rollout of log collection agents (the setup routine often includes a reset of the local Eventlog)
|
|
- System provisioning (system reset before the golden image creation)
|
|
level: high
|