70 lines
2.4 KiB
YAML
70 lines
2.4 KiB
YAML
title: Malicious PowerShell Keywords
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author: Sean Metcalf (source), Florian Roth (rule)
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date: 2017/03/05
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description: Detects keywords from well-known PowerShell exploitation frameworks
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detection:
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SELECTION_1:
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ScriptBlockText: '*AdjustTokenPrivileges*'
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SELECTION_10:
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ScriptBlockText: '*TOKEN_ADJUST_PRIVILEGES*'
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SELECTION_11:
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ScriptBlockText: '*TOKEN_ALL_ACCESS*'
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SELECTION_12:
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ScriptBlockText: '*TOKEN_ASSIGN_PRIMARY*'
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SELECTION_13:
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ScriptBlockText: '*TOKEN_DUPLICATE*'
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SELECTION_14:
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ScriptBlockText: '*TOKEN_ELEVATION*'
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SELECTION_15:
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ScriptBlockText: '*TOKEN_IMPERSONATE*'
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SELECTION_16:
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ScriptBlockText: '*TOKEN_INFORMATION_CLASS*'
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SELECTION_17:
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ScriptBlockText: '*TOKEN_PRIVILEGES*'
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SELECTION_18:
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ScriptBlockText: '*TOKEN_QUERY*'
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SELECTION_19:
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ScriptBlockText: '*Metasploit*'
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SELECTION_2:
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ScriptBlockText: '*IMAGE_NT_OPTIONAL_HDR64_MAGIC*'
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SELECTION_20:
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ScriptBlockText: '*Mimikatz*'
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SELECTION_3:
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ScriptBlockText: '*Microsoft.Win32.UnsafeNativeMethods*'
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SELECTION_4:
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ScriptBlockText: '*ReadProcessMemory.Invoke*'
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SELECTION_5:
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ScriptBlockText: '*SE_PRIVILEGE_ENABLED*'
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SELECTION_6:
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ScriptBlockText: '*LSA_UNICODE_STRING*'
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SELECTION_7:
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ScriptBlockText: '*MiniDumpWriteDump*'
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SELECTION_8:
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ScriptBlockText: '*PAGE_EXECUTE_READ*'
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SELECTION_9:
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ScriptBlockText: '*SECURITY_DELEGATION*'
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condition: (SELECTION_1 or SELECTION_2 or SELECTION_3 or SELECTION_4 or SELECTION_5
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or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9 or SELECTION_10
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or SELECTION_11 or SELECTION_12 or SELECTION_13 or SELECTION_14 or SELECTION_15
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or SELECTION_16 or SELECTION_17 or SELECTION_18 or SELECTION_19 or SELECTION_20)
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falsepositives:
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- Penetration tests
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id: f62176f3-8128-4faa-bf6c-83261322e5eb
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level: high
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logsource:
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category: ps_script
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definition: It is recommended to use the new "Script Block Logging" of PowerShell
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v5 https://adsecurity.org/?p=2277
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product: windows
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modified: 2021/10/16
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references:
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- https://adsecurity.org/?p=2921
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status: experimental
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tags:
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- attack.execution
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- attack.t1059.001
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- attack.t1086
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yml_filename: powershell_malicious_keywords.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/powershell/powershell_script
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