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blue-team-tools/rules/windows/powershell/powershell_classic/posh_pc_suspicious_download.yml
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2022-01-19 18:23:30 +01:00

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YAML

title: Suspicious PowerShell Download
id: 3236fcd0-b7e3-4433-b4f8-86ad61a9af2d
related:
- id: 65531a81-a694-4e31-ae04-f8ba5bc33759
type: derived
status: experimental
description: Detects suspicious PowerShell download command
tags:
- attack.execution
- attack.t1059.001
author: Florian Roth
date: 2017/03/05
modified: 2021/10/16
logsource:
product: windows
category: ps_classic_start
definition: fields have to be extract from event
detection:
downloadfile:
HostApplication|contains|all:
- 'System.Net.WebClient'
- '.DownloadFile('
downloadstring:
HostApplication|contains|all:
- 'System.Net.WebClient'
- '.DownloadString('
condition: downloadfile or downloadstring
falsepositives:
- PowerShell scripts that download content from the Internet
level: medium