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aafab2e936
Rules changed: - rules/windows/powershell/powershell_malicious_commandlets.yml - rules/windows/powershell/powershell_malicious_keywords.yml - rules/windows/powershell/powershell_suspicious_download.yml - rules/windows/powershell/powershell_suspicious_invocation_specific.yml
24 lines
815 B
YAML
24 lines
815 B
YAML
title: Suspicious PowerShell Invocations - Specific
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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.t1086
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author: Florian Roth (rule)
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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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