SigmaHQ/rules/windows/powershell/powershell_malicious_keywords.yml

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YAML

title: Malicious PowerShell Keywords
status: experimental
description: Detects keywords from well-known PowerShell exploitation frameworks
modified: 2019/01/22
references:
- https://adsecurity.org/?p=2921
tags:
- attack.execution
- attack.t1086
author: Sean Metcalf (source), Florian Roth (rule)
logsource:
product: windows
service: powershell
definition: 'It is recommanded to use the new "Script Block Logging" of PowerShell v5 https://adsecurity.org/?p=2277'
detection:
keywords:
- AdjustTokenPrivileges
- IMAGE_NT_OPTIONAL_HDR64_MAGIC
- Microsoft.Win32.UnsafeNativeMethods
- ReadProcessMemory.Invoke
- SE_PRIVILEGE_ENABLED
- LSA_UNICODE_STRING
- MiniDumpWriteDump
- PAGE_EXECUTE_READ
- SECURITY_DELEGATION
- TOKEN_ADJUST_PRIVILEGES
- TOKEN_ALL_ACCESS
- TOKEN_ASSIGN_PRIMARY
- TOKEN_DUPLICATE
- TOKEN_ELEVATION
- TOKEN_IMPERSONATE
- TOKEN_INFORMATION_CLASS
- TOKEN_PRIVILEGES
- TOKEN_QUERY
- Metasploit
- Mimikatz
condition: keywords
falsepositives:
- Penetration tests
level: high