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blue-team-tools/rules/web/proxy_generic/proxy_ua_powershell.yml
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Nasreddine Bencherchali 598d29f811 Merge PR #4950 from @nasbench - Comply With v2 Spec Changes
chore: change tags, date, modified fields to comply with v2 of the Sigma spec.
chore: update the related type from `obsoletes` to `obsolete`.
chore: update local json schema to the latest version.
2024-08-12 12:02:50 +02:00

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YAML

title: Windows PowerShell User Agent
id: c8557060-9221-4448-8794-96320e6f3e74
status: test
description: Detects Windows PowerShell Web Access
references:
- https://msdn.microsoft.com/powershell/reference/5.1/microsoft.powershell.utility/Invoke-WebRequest
author: Florian Roth (Nextron Systems)
date: 2017-03-13
modified: 2021-11-27
tags:
- attack.defense-evasion
- attack.command-and-control
- attack.t1071.001
logsource:
category: proxy
detection:
selection:
c-useragent|contains: ' WindowsPowerShell/'
condition: selection
falsepositives:
- Administrative scripts that download files from the Internet
- Administrative scripts that retrieve certain website contents
level: medium