238 lines
11 KiB
PowerShell
238 lines
11 KiB
PowerShell
function Get-KernelModuleInfo
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{
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<#
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.SYNOPSIS
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Returns loaded kernel module information.
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PowerSploit Function: Get-KernelModuleInfo
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Author: Matthew Graeber (@mattifestation)
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License: BSD 3-Clause
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Required Dependencies: None
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Optional Dependencies: Get-KernelModuleInfo.format.ps1xml
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.DESCRIPTION
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Get-KernelModuleInfo wraps NtQuerySystemInformation and returns loaded kernel module information. Get-KernelModuleInfo works on both x86 and x86_64 platforms.
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.EXAMPLE
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C:\PS> Get-KernelModuleInfo
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ImageBaseAddress ImageSize Flags Id Rank W018 NameOffset Name
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---------------- --------- ----- -- ---- ---- ---------- ----
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0xFFFFF800FF200000 0x00749000 0x08804000 0x0000 0x0000 0x0083 0x0015 C:\Windows\system32\ntoskrnl.exe
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0xFFFFF800FF949000 0x0006C000 0x08804000 0x0001 0x0000 0x0027 0x0015 C:\Windows\system32\hal.dll
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0xFFFFF88000C93000 0x0005F000 0x09104000 0x0003 0x0000 0x0001 0x0015 C:\Windows\system32\mcupdate_GenuineIntel.dll
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0xFFFFF88000D71000 0x00015000 0x0D104000 0x0006 0x0000 0x0003 0x0015 C:\Windows\system32\PSHED.dll
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0xFFFFF8800101A000 0x000C2000 0x09104000 0x000A 0x0000 0x0001 0x001D C:\Windows\system32\drivers\Wdf01000.sys
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0xFFFFF8800117B000 0x0000A000 0x0D104000 0x000F 0x0000 0x0011 0x001D C:\Windows\System32\drivers\WMILIB.SYS
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0xFFFFF88000F5C000 0x00017000 0x09104000 0x0015 0x0000 0x0001 0x001D C:\Windows\system32\drivers\pdc.sys
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0xFFFFF880011CC000 0x0001A000 0x09104000 0x001C 0x0000 0x0001 0x001D C:\Windows\System32\drivers\mountmgr.sys
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0xFFFFF88001600000 0x0001B000 0x09104000 0x0024 0x0000 0x0015 0x001D C:\Windows\System32\Drivers\ksecdd.sys
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0xFFFFF88001C00000 0x00076000 0x09104000 0x002D 0x0000 0x0001 0x001D C:\Windows\System32\DRIVERS\fvevol.sys
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0xFFFFF88003CCD000 0x0000E000 0x4D104000 0x0042 0x0000 0x0007 0x001D C:\Windows\system32\DRIVERS\TDI.SYS
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0xFFFFF88004200000 0x0001E000 0x49104000 0x005B 0x0000 0x0001 0x001D C:\Windows\system32\DRIVERS\rassstp.sys
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0xFFFFF88005400000 0x0007B000 0x4D104000 0x0069 0x0000 0x0001 0x001D C:\Windows\System32\drivers\USBPORT.SYS
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0xFFFFF88006598000 0x0000A000 0x49104000 0x0078 0x0000 0x0001 0x001D C:\Windows\System32\drivers\wmiacpi.sys
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0xFFFFF880069EB000 0x0000D000 0x49104000 0x0088 0x0000 0x0002 0x001D C:\Windows\System32\Drivers\dump_diskdump.sys
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0xFFFFF88019542000 0x0004B000 0x49104000 0x0099 0x0000 0x0001 0x001D C:\Windows\system32\DRIVERS\mrxsmb10.sys
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0xFFFFF880194C7000 0x0000B000 0x49104000 0x00AB 0x0000 0x0001 0x001D C:\Windows\System32\drivers\WpdUpFltr.sys
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.NOTES
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To display the output as seen in the example, ensure that Get-KernelModuleInfo.format.ps1xml resides in the same directory as Get-KernelModuleInfo.ps1.
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.LINK
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http://www.exploit-monday.com
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#>
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$Domain = [AppDomain]::CurrentDomain
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$DynAssembly = New-Object System.Reflection.AssemblyName('TestAssembly')
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$AssemblyBuilder = $Domain.DefineDynamicAssembly($DynAssembly, [System.Reflection.Emit.AssemblyBuilderAccess]::Run)
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$ModuleBuilder = $AssemblyBuilder.DefineDynamicModule('TestModule', $False)
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$Attributes = 'AutoLayout, AnsiClass, Class, Public, SequentialLayout, Sealed, BeforeFieldInit'
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$TypeBuilder = $ModuleBuilder.DefineType('_SYSTEM_MODULE64', $Attributes, [System.ValueType], 1, 296)
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$TypeBuilder32 = $ModuleBuilder.DefineType('_SYSTEM_MODULE32', $Attributes, [System.ValueType], 1, 284)
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$TypeBuilder.DefineField('Reserved1', [UInt32], 'Public') | Out-Null
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$TypeBuilder.DefineField('Reserved2', [UInt32], 'Public') | Out-Null
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$TypeBuilder.DefineField('ImageBaseAddress', [UInt64], 'Public') | Out-Null
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$TypeBuilder.DefineField('ImageSize', [UInt32], 'Public') | Out-Null
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$TypeBuilder.DefineField('Flags', [UInt32], 'Public') | Out-Null
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$TypeBuilder.DefineField('Id', [UInt16], 'Public') | Out-Null
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$TypeBuilder.DefineField('Rank', [UInt16], 'Public') | Out-Null
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$TypeBuilder.DefineField('w018', [UInt16], 'Public') | Out-Null
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$TypeBuilder.DefineField('NameOffset', [UInt16], 'Public') | Out-Null
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$NameField = $TypeBuilder.DefineField('Name', [String], 'Public, HasFieldMarshal')
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$ConstructorInfo = [System.Runtime.InteropServices.MarshalAsAttribute].GetConstructors()[0]
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$ConstructorValue = [System.Runtime.InteropServices.UnmanagedType]::ByValTStr
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$FieldArray = @([System.Runtime.InteropServices.MarshalAsAttribute].GetField('SizeConst'))
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$AttribBuilder = New-Object System.Reflection.Emit.CustomAttributeBuilder($ConstructorInfo, $ConstructorValue, $FieldArray, @([Int32] 256))
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$NameField.SetCustomAttribute($AttribBuilder)
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$SystemModule64Type = $TypeBuilder.CreateType()
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$TypeBuilder32.DefineField('Reserved1', [UInt16], 'Public') | Out-Null
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$TypeBuilder32.DefineField('Reserved2', [UInt16], 'Public') | Out-Null
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$TypeBuilder32.DefineField('ImageBaseAddress', [UInt32], 'Public') | Out-Null
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$TypeBuilder32.DefineField('ImageSize', [UInt32], 'Public') | Out-Null
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$TypeBuilder32.DefineField('Flags', [UInt32], 'Public') | Out-Null
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$TypeBuilder32.DefineField('Id', [UInt16], 'Public') | Out-Null
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$TypeBuilder32.DefineField('Rank', [UInt16], 'Public') | Out-Null
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$TypeBuilder32.DefineField('w018', [UInt16], 'Public') | Out-Null
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$TypeBuilder32.DefineField('NameOffset', [UInt16], 'Public') | Out-Null
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$NameField = $TypeBuilder32.DefineField('Name', [String], 'Public, HasFieldMarshal')
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$NameField.SetCustomAttribute($AttribBuilder)
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$SystemModule32Type = $TypeBuilder32.CreateType()
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function Local:Get-DelegateType
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{
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Param
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(
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[OutputType([Type])]
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[Parameter( Position = 0)]
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[Type[]]
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$Parameters = (New-Object Type[](0)),
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[Parameter( Position = 1 )]
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[Type]
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$ReturnType = [Void]
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)
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$Domain = [AppDomain]::CurrentDomain
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$DynAssembly = New-Object System.Reflection.AssemblyName('ReflectedDelegate')
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$AssemblyBuilder = $Domain.DefineDynamicAssembly($DynAssembly, [System.Reflection.Emit.AssemblyBuilderAccess]::Run)
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$ModuleBuilder = $AssemblyBuilder.DefineDynamicModule('InMemoryModule', $false)
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$TypeBuilder = $ModuleBuilder.DefineType('MyDelegateType', 'Class, Public, Sealed, AnsiClass, AutoClass', [System.MulticastDelegate])
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$ConstructorBuilder = $TypeBuilder.DefineConstructor('RTSpecialName, HideBySig, Public', [System.Reflection.CallingConventions]::Standard, $Parameters)
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$ConstructorBuilder.SetImplementationFlags('Runtime, Managed')
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$MethodBuilder = $TypeBuilder.DefineMethod('Invoke', 'Public, HideBySig, NewSlot, Virtual', $ReturnType, $Parameters)
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$MethodBuilder.SetImplementationFlags('Runtime, Managed')
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Write-Output $TypeBuilder.CreateType()
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}
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function Local:Get-ProcAddress
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{
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Param
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(
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[OutputType([IntPtr])]
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[Parameter( Position = 0, Mandatory = $True )]
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[String]
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$Module,
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[Parameter( Position = 1, Mandatory = $True )]
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[String]
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$Procedure
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)
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# Get a reference to System.dll in the GAC
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$SystemAssembly = [AppDomain]::CurrentDomain.GetAssemblies() |
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Where-Object { $_.GlobalAssemblyCache -And $_.Location.Split('\\')[-1].Equals('System.dll') }
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$UnsafeNativeMethods = $SystemAssembly.GetType('Microsoft.Win32.UnsafeNativeMethods')
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# Get a reference to the GetModuleHandle and GetProcAddress methods
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$GetModuleHandle = $UnsafeNativeMethods.GetMethod('GetModuleHandle')
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$GetProcAddress = $UnsafeNativeMethods.GetMethod('GetProcAddress')
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# Get a handle to the module specified
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$Kern32Handle = $GetModuleHandle.Invoke($null, @($Module))
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$tmpPtr = New-Object IntPtr
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$HandleRef = New-Object System.Runtime.InteropServices.HandleRef($tmpPtr, $Kern32Handle)
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# Return the address of the function
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Write-Output $GetProcAddress.Invoke($null, @([System.Runtime.InteropServices.HandleRef]$HandleRef, $Procedure))
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}
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# Returns a string from a byte array
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function Local:Get-String([Byte[]] $Bytes)
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{
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$Char = $Bytes[0]
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$StringArray = New-Object Byte[](0)
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for ($i = 0; $Char -ne 0; $i++)
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{
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$StringArray += $Char; $Char = $Bytes[$i]
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}
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Write-Output (($StringArray | % {[Char] $_}) -join '')
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}
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$NtQuerySystemInformationAddr = Get-ProcAddress ntdll.dll NtQuerySystemInformation
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$NtQuerySystemInformationDelegate = Get-DelegateType @([UInt32], [IntPtr], [UInt32], [UInt32].MakeByRefType()) ([Int32])
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$NtQuerySystemInformation = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($NtQuerySystemInformationAddr, $NtQuerySystemInformationDelegate)
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# $TotalLength represents the total size of the returned structures. This will be used to allocate sufficient memory to store each returned structure.
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$TotalLength = 0
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# Call NtQuerySystemInformation first to get the total size of the structures to be returned.
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$NtQuerySystemInformation.Invoke(11, [IntPtr]::Zero, 0, [Ref] $TotalLength) | Out-Null
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$PtrSystemInformation = [Runtime.InteropServices.Marshal]::AllocHGlobal($TotalLength)
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$Result = $NtQuerySystemInformation.Invoke(11, $PtrSystemInformation, $TotalLength, [Ref] 0)
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if ($Result -ne 0)
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{
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Throw "An error occured. (NTSTATUS: 0x$($Result.ToString('X8')))"
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}
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if ([IntPtr]::Size -eq 8)
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{
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$SystemModuleType = $SystemModule64Type
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$StructSize = 296
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$PtrModule = [IntPtr]($PtrSystemInformation.ToInt64() + 16)
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}
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else
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{
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$SystemModuleType = $SystemModule32Type
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$StructSize = 284
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$PtrModule = [IntPtr]($PtrSystemInformation.ToInt64() + 8)
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}
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$i = 0
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$AnotherModule = $True
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# Loop through all the returned _SYSTEM_MODULE structs
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while ($AnotherModule) {
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# Move pointer to the next structure
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$PtrModule = [IntPtr] ($PtrModule.ToInt64() + ($i * $StructSize))
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# Cast the next struct in memory to type _SYSTEM_MODULE[32|64]
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$SystemModule = [Runtime.InteropServices.Marshal]::PtrToStructure($PtrModule, [Type] $SystemModuleType)
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if ($SystemModule.NameOffset -ne 0 -and $SystemModule.ImageSize -ne 0)
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{
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$ModuleInfo = @{
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ImageBaseAddress = $SystemModule.ImageBaseAddress
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ImageSize = $SystemModule.ImageSize
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Flags = $SystemModule.Flags
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Id = $SystemModule.Id
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Rank = $SystemModule.Rank
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w018 = $SystemModule.w018
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NameOffset = $SystemModule.NameOffset
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# Get the full path to the driver and expand SystemRoot in the path
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Name = $SystemModule.Name -replace '\\SystemRoot', $Env:SystemRoot
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}
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$Module = New-Object PSObject -Property $ModuleInfo
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$Module.PSObject.TypeNames[0] = 'SystemInformation.SYSTEM_MODULE'
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Write-Output $Module
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}
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else
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{
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# No more modules to iterate through
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$AnotherModule = $False
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}
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$i++
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}
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# Free the unmanaged memory used to store the structures
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[Runtime.InteropServices.Marshal]::FreeHGlobal($PtrSystemInformation)
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} |