mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-07 09:48:58 +00:00
21 lines
626 B
YAML
21 lines
626 B
YAML
title: PowerShell Downgrade Attack
|
|
status: experimental
|
|
description: Detects PowerShell downgrade attack by comparing the host versions with the actually used engine version 2.0
|
|
references:
|
|
- http://www.leeholmes.com/blog/2017/03/17/detecting-and-preventing-powershell-downgrade-attacks/
|
|
author: Florian Roth (rule), Lee Holmes (idea)
|
|
logsource:
|
|
product: windows
|
|
service: powershell-classic
|
|
detection:
|
|
selection:
|
|
EventID: 400
|
|
EngineVersion: '2.*'
|
|
filter:
|
|
HostVersion: '2.*'
|
|
condition: selection and not filter
|
|
falsepositives:
|
|
- Penetration Test
|
|
- Unknown
|
|
level: medium
|