2017-03-13 08:23:08 +00:00
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title: Suspicious PowerShell Invocations - Specific
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2017-03-05 14:01:51 +00:00
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status: experimental
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description: Detects suspicious PowerShell invocation command parameters
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author: Florian Roth (rule)
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logsource:
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platform: windows
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product: powershell
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detection:
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keywords:
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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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2017-03-05 21:45:54 +00:00
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- 'iex(New-Object Net.WebClient).Download'
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2017-03-05 14:01:51 +00:00
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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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