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27 lines
909 B
YAML
27 lines
909 B
YAML
title: Suspicious PowerShell Invocations - Specific
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id: fce5f582-cc00-41e1-941a-c6fabf0fdb8c
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status: experimental
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description: Detects suspicious PowerShell invocation command parameters
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tags:
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- attack.execution
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- attack.t1059.001
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- attack.t1086 #an old one
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author: Florian Roth (rule)
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date: 2017/03/05
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logsource:
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product: windows
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service: powershell
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detection:
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keywords:
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Message:
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- '* -nop -w hidden -c * [Convert]::FromBase64String*'
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- '* -w hidden -noni -nop -c "iex(New-Object*'
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- '* -w hidden -ep bypass -Enc*'
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- '*powershell.exe reg add HKCU\software\microsoft\windows\currentversion\run*'
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- '*bypass -noprofile -windowstyle hidden (new-object system.net.webclient).download*'
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- '*iex(New-Object Net.WebClient).Download*'
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condition: keywords
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falsepositives:
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- Penetration tests
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level: high
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