SigmaHQ/rules/windows/powershell/powershell_suspicious_download.yml

27 lines
726 B
YAML

title: Suspicious PowerShell Download
id: 65531a81-a694-4e31-ae04-f8ba5bc33759
status: experimental
description: Detects suspicious PowerShell download command
tags:
- attack.execution
- attack.t1059.001
- attack.t1086 #an old one
author: Florian Roth
date: 2017/03/05
logsource:
product: windows
service: powershell
detection:
downloadfile:
Message|contains|all:
- 'System.Net.WebClient'
- '.DownloadFile('
downloadstring:
Message|contains|all:
- 'System.Net.WebClient'
- '.DownloadString('
condition: downloadfile or downloadstring
falsepositives:
- PowerShell scripts that download content from the Internet
level: medium