blue-team-tools/rules/windows/powershell/powershell_script/powershell_malicious_keywords.yml

title: Malicious PowerShell Keywords
id: f62176f3-8128-4faa-bf6c-83261322e5eb
status: experimental
description: Detects keywords from well-known PowerShell exploitation frameworks
references:
    - https://adsecurity.org/?p=2921
tags:
    - attack.execution
    - attack.t1059.001
    - attack.t1086  #an old one
author: Sean Metcalf (source), Florian Roth (rule)
date: 2017/03/05
modified: 2021/10/16
logsource:
    product: windows
    category: ps_script
    definition: 'It is recommended to use the new "Script Block Logging" of PowerShell v5 https://adsecurity.org/?p=2277'
detection:
    Malicious:
        ScriptBlockText|contains:
            - '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: Malicious
falsepositives:
    - Penetration tests
level: high