36 lines
1018 B
YAML
36 lines
1018 B
YAML
title: Detection of PowerShell Execution via DLL
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author: Markus Neis
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date: 2018/08/25
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description: Detects PowerShell Strings applied to rundll as seen in PowerShdll.dll
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_2:
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Image: '*\rundll32.exe'
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SELECTION_3:
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Description: '*Windows-Hostprozess (Rundll32)*'
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SELECTION_4:
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CommandLine: '*Default.GetString*'
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SELECTION_5:
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CommandLine: '*FromBase64String*'
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condition: (SELECTION_1 and ((SELECTION_2) or (SELECTION_3)) and (SELECTION_4
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or SELECTION_5))
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falsepositives:
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- Unknown
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id: 6812a10b-60ea-420c-832f-dfcc33b646ba
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level: high
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logsource:
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category: process_creation
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product: windows
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modified: 2020/09/01
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references:
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- https://github.com/p3nt4/PowerShdll/blob/master/README.md
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status: experimental
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tags:
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- attack.defense_evasion
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- attack.t1085
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- attack.t1218.011
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yml_filename: win_powershell_dll_execution.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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