89 lines
2.9 KiB
Python
89 lines
2.9 KiB
Python
from lib.common import helpers
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class Module:
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def __init__(self, mainMenu, params=[]):
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self.info = {
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'Name': 'Invoke-LockWorkStation',
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'Author': ['@harmj0y'],
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'Description': ("Locks the workstation's display."),
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'Background' : False,
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'OutputExtension' : None,
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'NeedsAdmin' : False,
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'OpsecSafe' : False,
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'MinPSVersion' : '2',
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'Comments': [
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'http://poshcode.org/1640'
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]
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}
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# any options needed by the module, settable during runtime
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self.options = {
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# format:
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# value_name : {description, required, default_value}
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'Agent' : {
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'Description' : 'Agent to run module on.',
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'Required' : True,
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'Value' : ''
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}
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}
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# save off a copy of the mainMenu object to access external functionality
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# like listeners/agent handlers/etc.
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self.mainMenu = mainMenu
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for param in params:
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# parameter format is [Name, Value]
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option, value = param
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if option in self.options:
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self.options[option]['Value'] = value
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def generate(self):
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script = """
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Function Invoke-LockWorkStation {
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# region define P/Invoke types dynamically
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# stolen from PowerSploit https://github.com/mattifestation/PowerSploit/blob/master/Mayhem/Mayhem.psm1
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# thanks matt and chris :)
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$DynAssembly = New-Object System.Reflection.AssemblyName('Win32')
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$AssemblyBuilder = [AppDomain]::CurrentDomain.DefineDynamicAssembly($DynAssembly, [Reflection.Emit.AssemblyBuilderAccess]::Run)
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$ModuleBuilder = $AssemblyBuilder.DefineDynamicModule('Win32', $False)
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$TypeBuilder = $ModuleBuilder.DefineType('Win32.User32', 'Public, Class')
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$DllImportConstructor = [Runtime.InteropServices.DllImportAttribute].GetConstructor(@([String]))
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$SetLastError = [Runtime.InteropServices.DllImportAttribute].GetField('SetLastError')
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$SetLastErrorCustomAttribute = New-Object Reflection.Emit.CustomAttributeBuilder($DllImportConstructor,
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@('User32.dll'),
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[Reflection.FieldInfo[]]@($SetLastError),
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@($True))
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# Define [Win32.User32]::LockWorkStation()
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$PInvokeMethod = $TypeBuilder.DefinePInvokeMethod('LockWorkStation',
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'User32.dll',
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([Reflection.MethodAttributes]::Public -bor [Reflection.MethodAttributes]::Static),
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[Reflection.CallingConventions]::Standard,
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[Bool],
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[Type[]]@(),
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[Runtime.InteropServices.CallingConvention]::Winapi,
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[Runtime.InteropServices.CharSet]::Ansi)
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$PInvokeMethod.SetCustomAttribute($SetLastErrorCustomAttribute)
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$User32 = $TypeBuilder.CreateType()
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$Null = $User32::LockWorkStation()
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}
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Invoke-LockWorkStation; "Workstation locked."
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"""
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return script
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