title: Suspicious PowerShell Download - PoshModule
id: de41232e-12e8-49fa-86bc-c05c7e722df9
related:
    - id: 65531a81-a694-4e31-ae04-f8ba5bc33759
      type: derived
status: experimental
description: Detects suspicious PowerShell download command
author: Florian Roth (Nextron Systems)
date: 2017/03/05
modified: 2023/01/20
tags:
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_module
    definition: 'Requirements: PowerShell Module Logging must be enabled'
detection:
    selection_webclient_:
        ContextInfo|contains: 'System.Net.WebClient'
    selection_function:
        ContextInfo|contains:
            - '.DownloadFile('
            - '.DownloadString('
    condition: all of selection_*
falsepositives:
    - PowerShell scripts that download content from the Internet
level: medium