Nasreddine Bencherchali
31 lines
932 B
YAML
31 lines
932 B
YAML
title: Suspicious PowerShell Download
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id: 3236fcd0-b7e3-4433-b4f8-86ad61a9af2d
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related:
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- id: 65531a81-a694-4e31-ae04-f8ba5bc33759
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type: derived
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status: experimental
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description: Detects suspicious PowerShell download command
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references:
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- https://www.trendmicro.com/en_us/research/22/j/lv-ransomware-exploits-proxyshell-in-attack.html
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author: Florian Roth (Nextron Systems)
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date: 2017/03/05
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modified: 2022/11/09
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tags:
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- attack.execution
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- attack.t1059.001
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logsource:
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product: windows
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category: ps_classic_start
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definition: fields have to be extract from event
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detection:
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selection_webclient:
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HostApplication|contains: 'Net.WebClient'
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selection_download:
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HostApplication|contains:
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- '.DownloadFile('
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- '.DownloadString('
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condition: all of selection_*
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falsepositives:
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- PowerShell scripts that download content from the Internet
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level: medium
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