NtObjectManager.psm1
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# Copyright 2016, 2017 Google Inc. All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. Set-StrictMode -Version Latest if (($PSVersionTable.Keys -contains "PSEdition") -and ($PSVersionTable.PSEdition -ne 'Desktop')) { Import-Module "$PSScriptRoot\Core\NtObjectManager.dll" } else { Import-Module "$PSScriptRoot\NtObjectManager.dll" } <# .SYNOPSIS Get a list of ALPC Ports that can be opened by a specified token. .DESCRIPTION This cmdlet checks for all ALPC ports on the system and tries to determine if one or more specified tokens can connect to them. If no tokens are specified then the current process token is used. This function searches handles for existing ALPC Port servers as you can't directly open the server object and just connecting might show inconsistent results. .PARAMETER ProcessIds Specify a list of process IDs to open for their tokens. .PARAMETER ProcessNames Specify a list of process names to open for their tokens. .PARAMETER ProcessCommandLines Specify a list of command lines to filter on find for the process tokens. .PARAMETER Tokens Specify a list token objects. .PARAMETER Processes Specify a list process objects to use for their tokens. .INPUTS None .OUTPUTS NtObjectManager.AccessCheckResult .NOTES For best results run this function as an administrator with SeDebugPrivilege available. .EXAMPLE Get-AccessibleAlpcPort Get all ALPC Ports connectable by the current token. .EXAMPLE Get-AccessibleAlpcPort -ProcessIds 1234,5678 Get all ALPC Ports connectable by the process tokens of PIDs 1234 and 5678 #> function Get-AccessibleAlpcPort { Param( [Int32[]]$ProcessIds, [string[]]$ProcessNames, [string[]]$ProcessCommandLines, [NtApiDotNet.NtToken[]]$Tokens, [NtApiDotNet.NtProcess[]]$Processes ) $access = Get-NtAccessMask -AlpcPortAccess Connect -ToGenericAccess Get-AccessibleObject -FromHandles -ProcessIds $ProcessIds -ProcessNames $ProcessNames ` -ProcessCommandLines $ProcessCommandLines -Tokens $Tokens -Processes $Processes -TypeFilter "ALPC Port" -AccessRights $access } <# .SYNOPSIS Set the state of a token's privileges. .DESCRIPTION This cmdlet will set the state of a token's privileges. This is commonly used to enable debug/backup privileges to perform privileged actions. If no token is specified then the current process token is used. .PARAMETER Privileges A list of privileges to set their state. .PARAMETER Token Optional token object to use to set privileges. Must be accesible for AdjustPrivileges right. .PARAMETER Attributes Specify the actual attributes to set. Defaults to Enabled. .INPUTS None .OUTPUTS List of TokenPrivilege values indicating the new state of all privileges successfully modified. .EXAMPLE Set-NtTokenPrivilege SeDebugPrivilege Enable SeDebugPrivilege on the current process token .EXAMPLE Set-NtTokenPrivilege SeDebugPrivilege -Attributes Disabled Disable SeDebugPrivilege on the current process token .EXAMPLE Set-NtTokenPrivilege SeBackupPrivilege, SeRestorePrivilege -Token $token Enable SeBackupPrivilege and SeRestorePrivilege on an explicit token object. #> function Set-NtTokenPrivilege { Param( [Parameter(Mandatory=$true, Position=0)] [NtApiDotNet.TokenPrivilegeValue[]]$Privileges, [NtApiDotNet.NtToken]$Token, [NtApiDotNet.PrivilegeAttributes]$Attributes = "Enabled" ) if ($Token -eq $null) { $Token = Get-NtToken -Primary } else { $Token = $Token.Duplicate() } Use-NtObject($Token) { $result = @() foreach($priv in $Privileges) { if ($Token.SetPrivilege($priv, $Attributes)) { $result += @($Token.GetPrivilege($priv)) } } return $result } } <# .SYNOPSIS Set the integrity level of a token. .DESCRIPTION This cmdlet will set the integrity level of a token. If you want to raise the level you must have SeTcbPrivilege otherwise you can only lower it. If no token is specified then the current process token is used. .PARAMETER IntegrityLevel Specify the integrity level. .PARAMETER Token Optional token object to use to set privileges. Must be accesible for AdjustDefault right. .PARAMETER Adjustment Increment or decrement the IL level from the base specified in -IntegrityLevel. .PARAMETER IntegrityLevelRaw Specify the integrity level as a raw value. .INPUTS None .EXAMPLE Set-NtTokenIntegrityLevel Low Set the current token's integrity level to low. .EXAMPLE Set-NtTokenIntegrityLevel Low -Token $Token Set a specific token's integrity level to low. .EXAMPLE Set-NtTokenIntegrityLevel Low -Adjustment -16 Set the current token's integrity level to low minus 16. .EXAMPLE Set-NtTokenIntegrityLevel -IntegrityLevelRaw 0x800 Set the current token's integrity level to 0x800. #> function Set-NtTokenIntegrityLevel { [CmdletBinding(DefaultParameterSetName = "FromIL")] Param( [Parameter(Mandatory=$true, Position=0, ParameterSetName = "FromIL")] [NtApiDotNet.TokenIntegrityLevel]$IntegrityLevel, [NtApiDotNet.NtToken]$Token, [Parameter(ParameterSetName = "FromIL")] [Int32]$Adjustment = 0, [Parameter(Mandatory=$true, Position=0, ParameterSetName = "FromRaw")] [Int32]$IntegrityLevelRaw ) switch($PSCmdlet.ParameterSetName) { "FromIL" { $il_raw = $IntegrityLevel.ToInt32($null) + $Adjustment } "FromRaw" { $il_raw = $IntegrityLevelRaw } } if ($Token -eq $null) { $Token = Get-NtToken -Primary } else { $Token = $Token.Duplicate() } Use-NtObject($Token) { $Token.SetIntegrityLevelRaw($il_raw) | Out-Null } } <# .SYNOPSIS Create a kernel crash dump. .DESCRIPTION This cmdlet will use the NtSystemDebugControl API to create a system kernel crash dump with specified options. .PARAMETER Path The NT native path to the crash dump file to create .PARAMETER Flags Optional flags to control what to dump .PARAMETER PageFlags Optional flags to control what additional pages to dump .INPUTS None .EXAMPLE New-NtKernelCrashDump \??\C:\memory.dmp Create a new crash dump at c:\memory.dmp .EXAMPLE New-NtKernelCrashDump \??\C:\memory.dmp -Flags IncludeUserSpaceMemoryPages Create a new crash dump at c:\memory.dmp including user memory pages. #> function New-NtKernelCrashDump { Param( [Parameter(Mandatory=$true, Position=0)] [string]$Path, [NtApiDotNet.SystemDebugKernelDumpControlFlags]$Flags = 0, [NtApiDotNet.SystemDebugKernelDumpPageControlFlags]$PageFlags = 0 ) [NtApiDotNet.NtSystemInfo]::CreateKernelDump($Path, $Flags, $PageFlags) } <# .SYNOPSIS Get security mitigations and token security information for processes. .DESCRIPTION This cmdlet will get the mitigation policies for all processes it can access for QueryInformation rights. #> function Get-NtProcessMitigations { Set-NtTokenPrivilege SeDebugPrivilege | Out-Null Use-NtObject($ps = Get-NtProcess -Access QueryInformation) { foreach($p in $ps) { try { Write-Output $p.Mitigations } catch { } } } } <# .SYNOPSIS Create a new object attributes structure. .DESCRIPTION This cmdlet creates a new object attributes structure based on its parameters. Note you should dispose of the object attributes afterwards. .PARAMETER Name Optional NT native name for the object .PARAMETER Root Optional NT object root for relative paths .PARAMETER Attributes Optional object attributes flags .PARAMETER SecurityQualityOfService Optional security quality of service flags .PARAMETER SecurityDescriptor Optional security descriptor .PARAMETER Sddl Optional security descriptor in SDDL format .INPUTS None .EXAMPLE New-NtObjectAttributes \??\c:\windows Create a new object attributes for \??\C:\windows #> function New-NtObjectAttributes { Param( [Parameter(Position=0)] [string]$Name, [NtApiDotNet.NtObject]$Root, [NtApiDotNet.AttributeFlags]$Attributes = "None", [NtApiDotNet.SecurityQualityOfService]$SecurityQualityOfService, [NtApiDotNet.SecurityDescriptor]$SecurityDescriptor, [string]$Sddl ) $sd = $SecurityDescriptor if ($Sddl -ne $null) { $sd = New-NtSecurityDescriptor -Sddl $Sddl } [NtApiDotNet.ObjectAttributes]::new($Name, $Attributes, [NtApiDotNet.NtObject]$Root, $SecurityQualityOfService, $sd) } <# .SYNOPSIS Create a new security quality of service structure. .DESCRIPTION This cmdlet creates a new security quality of service structure structure based on its parameters .PARAMETER ImpersonationLevel The impersonation level, must be specified. .PARAMETER ContextTrackingMode Optional tracking mode, defaults to static tracking .PARAMETER EffectiveOnly Optional flag to specify if only the effective rights should be impersonated .INPUTS None #> function New-NtSecurityQualityOfService { Param( [Parameter(Mandatory=$true, Position=0)] [NtApiDotNet.SecurityImpersonationLevel]$ImpersonationLevel, [NtApiDotNet.SecurityContextTrackingMode]$ContextTrackingMode = "Static", [switch]$EffectiveOnly ) [NtApiDotNet.SecurityQualityOfService]::new($ImpersonationLevel, $ContextTrackingMode, $EffectiveOnly) } <# .SYNOPSIS Gets a list of system environment values .DESCRIPTION This cmdlet gets the list of system environment values. Note that this isn't the same as environment variables, these are kernel values which represent current system state. .PARAMETER Name The name of the system environment value to get. .INPUTS None #> function Get-NtSystemEnvironmentValue { Param( [Parameter(Position=0)] [string]$Name = [System.Management.Automation.Language.NullString]::Value ) Set-NtTokenPrivilege SeSystemEnvironmentPrivilege | Out-Null $values = [NtApiDotNet.NtSystemInfo]::QuerySystemEnvironmentValueNamesAndValues() if ($Name -eq [string]::Empty) { $values } else { $values | Where-Object Name -eq $Name } } <# .SYNOPSIS Get a license value by name. .DESCRIPTION This cmdlet gets a license value by name .PARAMETER Name The name of the license value to get. .INPUTS None .OUTPUTS NtApiDotNet.NtKeyValue #> function Get-NtLicenseValue { Param( [Parameter(Mandatory=$true, Position=0)] [string]$Name ) [NtApiDotNet.NtKey]::QueryLicenseValue($Name) } <# .SYNOPSIS Create a new Win32 process configuration. .DESCRIPTION This cmdlet creates a new Win32 process configuration which you can then pass to New-Win32Process. .PARAMETER CommandLine The command line of the process to create. .PARAMETER ApplicationName Optional path to the application executable. .PARAMETER ProcessSecurityDescriptor Optional security descriptor for the process. .PARAMETER ThreadSecurityDescriptor Optional security descriptor for the initial thread. .PARAMETER ParentProcess Optional process to act as the parent, needs CreateProcess access to succeed. .PARAMETER CreationFlags Flags to affect process creation. .PARAMETER TerminateOnDispose Specify switch to terminate the process when the Win32Process object is disposed. .PARAMETER Environment Optional environment block for the new process. .PARAMETER CurrentDirectory Optional current directory for the new process. .PARAMETER Desktop Optional desktop for the new process. .PARAMETER Title Optional title for the new process. .PARAMETER InheritHandles Switch to specify whether to inherit handles into new process. .PARAMETER InheritProcessHandle Switch to specify whether the process handle is inheritable .PARAMETER InheritThreadHandle Switch to specify whether the thread handle is inheritable. .PARAMETER MitigationOptions Specify optional mitigation options. .PARAMETER Win32kFilterFlags Specify filter flags for Win32k filter .PARAMETER Win32kFilterLevel Specify the filter level for the Win32k filter. .PARAMETER Token Specify a token to start the process with. .PARAMETER ProtectionLevel Specify the protection level when creating a protected process. .INPUTS None .OUTPUTS NtApiDotNet.Win32.Win32ProcessConfig #> function New-Win32ProcessConfig { Param( [Parameter(Mandatory=$true, Position=0)] [string]$CommandLine, [string]$ApplicationName, [NtApiDotNet.SecurityDescriptor]$ProcessSecurityDescriptor, [NtApiDotNet.SecurityDescriptor]$ThreadSecurityDescriptor, [NtApiDotNet.NtProcess]$ParentProcess, [NtApiDotNet.Win32.CreateProcessFlags]$CreationFlags = 0, [NtApiDotNet.Win32.ProcessMitigationOptions]$MitigationOptions = 0, [switch]$TerminateOnDispose, [byte[]]$Environment, [string]$CurrentDirectory, [string]$Desktop, [string]$Title, [switch]$InheritHandles, [switch]$InheritProcessHandle, [switch]$InheritThreadHandle, [NtApiDotNet.Win32.Win32kFilterFlags]$Win32kFilterFlags = 0, [int]$Win32kFilterLevel = 0, [NtApiDotNet.NtToken]$Token, [NtApiDotNet.Win32.ProtectionLevel]$ProtectionLevel = "WindowsPPL" ) $config = New-Object NtApiDotNet.Win32.Win32ProcessConfig $config.CommandLine = $CommandLine if (-not [string]::IsNullOrEmpty($ApplicationName)) { $config.ApplicationName = $ApplicationName } $config.ProcessSecurityDescriptor = $ProcessSecurityDescriptor $config.ThreadSecurityDescriptor = $ThreadSecurityDescriptor $config.ParentProcess = $ParentProcess $config.CreationFlags = $CreationFlags $config.TerminateOnDispose = $TerminateOnDispose $config.Environment = $Environment if (-not [string]::IsNullOrEmpty($Desktop)) { $config.Desktop = $Desktop } if (-not [string]::IsNullOrEmpty($CurrentDirectory)) { $config.CurrentDirectory = $CurrentDirectory } if (-not [string]::IsNullOrEmpty($Title)) { $config.Title = $Title } $config.InheritHandles = $InheritHandles $config.InheritProcessHandle = $InheritProcessHandle $config.InheritThreadHandle = $InheritThreadHandle $config.MitigationOptions = $MitigationOptions $config.Win32kFilterFlags = $Win32kFilterFlags $config.Win32kFilterLevel = $Win32kFilterLevel $config.Token = $Token $config.ProtectionLevel = $ProtectionLevel return $config } <# .SYNOPSIS Create a new Win32 process. .DESCRIPTION This cmdlet creates a new Win32 process with an optional security descriptor. .PARAMETER CommandLine The command line of the process to create. .PARAMETER ApplicationName Optional path to the application executable. .PARAMETER ProcessSecurityDescriptor Optional security descriptor for the process. .PARAMETER ThreadSecurityDescriptor Optional security descriptor for the initial thread. .PARAMETER ParentProcess Optional process to act as the parent, needs CreateProcess access to succeed. .PARAMETER CreationFlags Flags to affect process creation. .PARAMETER TerminateOnDispose Specify switch to terminate the process when the Win32Process object is disposed. .PARAMETER Environment Optional environment block for the new process. .PARAMETER CurrentDirectory Optional current directory for the new process. .PARAMETER Desktop Optional desktop for the new process. .PARAMETER Title Optional title for the new process. .PARAMETER InheritHandles Switch to specify whether to inherit handles into new process. .PARAMETER InheritProcessHandle Switch to specify whether the process handle is inheritable .PARAMETER InheritThreadHandle Switch to specify whether the thread handle is inheritable. .PARAMETER MitigationOptions Specify optional mitigation options. .PARAMETER Token Specify an explicit token to create the new process with. .PARAMETER Config Specify the configuration for the new process. .INPUTS None .OUTPUTS NtApiDotNet.Win32.Win32Process #> function New-Win32Process { [CmdletBinding(DefaultParameterSetName = "FromArgs")] Param( [Parameter(Mandatory=$true, Position=0, ParameterSetName = "FromArgs")] [string]$CommandLine, [Parameter(ParameterSetName = "FromArgs")] [string]$ApplicationName, [Parameter(ParameterSetName = "FromArgs")] [NtApiDotNet.SecurityDescriptor]$ProcessSecurityDescriptor, [Parameter(ParameterSetName = "FromArgs")] [NtApiDotNet.SecurityDescriptor]$ThreadSecurityDescriptor, [Parameter(ParameterSetName = "FromArgs")] [NtApiDotNet.NtProcess]$ParentProcess, [Parameter(ParameterSetName = "FromArgs")] [NtApiDotNet.Win32.CreateProcessFlags]$CreationFlags = 0, [Parameter(ParameterSetName = "FromArgs")] [NtApiDotNet.Win32.ProcessMitigationOptions]$MitigationOptions = 0, [Parameter(ParameterSetName = "FromArgs")] [switch]$TerminateOnDispose, [Parameter(ParameterSetName = "FromArgs")] [byte[]]$Environment, [Parameter(ParameterSetName = "FromArgs")] [string]$CurrentDirectory, [Parameter(ParameterSetName = "FromArgs")] [string]$Desktop, [Parameter(ParameterSetName = "FromArgs")] [string]$Title, [Parameter(ParameterSetName = "FromArgs")] [switch]$InheritHandles, [Parameter(ParameterSetName = "FromArgs")] [switch]$InheritProcessHandle, [Parameter(ParameterSetName = "FromArgs")] [switch]$InheritThreadHandle, [Parameter(ParameterSetName = "FromArgs")] [NtApiDotNet.NtToken]$Token, [Parameter(Mandatory=$true, Position=0, ParameterSetName = "FromConfig")] [NtApiDotNet.Win32.Win32ProcessConfig]$Config ) if ($null -eq $Config) { $Config = New-Win32ProcessConfig $CommandLine -ApplicationName $ApplicationName ` -ProcessSecurityDescriptor $ProcessSecurityDescriptor -ThreadSecurityDescriptor $ThreadSecurityDescriptor ` -ParentProcess $ParentProcess -CreationFlags $CreationFlags -TerminateOnDispose:$TerminateOnDispose ` -Environment $Environment -CurrentDirectory $CurrentDirectory -Desktop $Desktop -Title $Title ` -InheritHandles:$InheritHandles -InheritProcessHandle:$InheritProcessHandle -InheritThreadHandle:$InheritThreadHandle ` -MitigationOptions $MitigationOptions -Token $Token } [NtApiDotNet.Win32.Win32Process]::CreateProcess($config) } <# .SYNOPSIS Get the NT path for a dos path. .DESCRIPTION This cmdlet gets the full NT path for a specified DOS path. .PARAMETER Path The DOS path to convert to NT. .PARAMETER Resolve Resolve relative paths to the current PS directory. .INPUTS string[] List of paths to convert. .OUTPUTS string Converted path .EXAMPLE Get-NtFilePath c:\Windows Get c:\windows as an NT file path. Get-ChildItem c:\windows | Get-NtFilePath Get list of NT file paths from the pipeline. #> function Get-NtFilePath { [CmdletBinding()] Param( [parameter(Mandatory=$true, Position=0, ValueFromPipeline, valueFromPipelineByPropertyName)] [string]$FullName, [switch]$Resolve ) PROCESS { $type = [NtApiDotNet.NtFileUtils]::GetDosPathType($FullName) $p = $FullName if ($Resolve) { if ($type -eq "Relative" -or $type -eq "Rooted") { $p = Resolve-Path -LiteralPath $FullName } } $p = [NtApiDotNet.NtFileUtils]::DosFileNameToNt($p) Write-Output $p } } <# .SYNOPSIS Create a new native NT process configuration. .DESCRIPTION This cmdlet creates a new native process configuration which you can then pass to New-NtProcess. .PARAMETER CommandLine The command line of the process to create. .PARAMETER ProcessFlags Flags to affect process creation. .PARAMETER ThreadFlags Flags to affect thread creation. .PARAMETER ProtectedType Protected process type. .PARAMETER ProtectedSigner Protected process signer. .PARAMETER TerminateOnDispose Specify switch to terminate the process when the CreateUserProcessResult object is disposed. .INPUTS None .OUTPUTS NtApiDotNet.CreateUserProcess #> function New-NtProcessConfig { Param( [Parameter(Mandatory=$true, Position=0)] [string]$CommandLine, [NtApiDotNet.ProcessCreateFlags]$ProcessFlags = 0, [NtApiDotNet.ThreadCreateFlags]$ThreadFlags = 0, [NtApiDotNet.PsProtectedType]$ProtectedType = 0, [NtApiDotNet.PsProtectedSigner]$ProtectedSigner = 0, [switch]$TerminateOnDispose ) $config = New-Object NtApiDotNet.CreateUserProcess $config.ProcessFlags = $ProcessFlags $config.ThreadFlags = $ThreadFlags $config.CommandLine = $CommandLine $config.TerminateOnDispose = $TerminateOnDispose if ($ProtectedType -ne 0 -or $ProtectedSigner -ne 0) { $config.AddProtectionLevel($ProtectedType, $ProtectedSigner) $config.ProcessFlags = $ProcessFlags -bor "ProtectedProcess" } return $config } <# .SYNOPSIS Create a new native NT process. .DESCRIPTION This cmdlet creates a new native NT process. .PARAMETER ImagePath NT path to executable. .PARAMETER Config The configuration for the new process from New-NtProcessConfig. .PARAMETER Win32Path Specified ImagePath is a Win32 path. .INPUTS None .OUTPUTS NtApiDotNet.CreateUserProcessResult #> function New-NtProcess { [CmdletBinding(DefaultParameterSetName = "FromArgs")] Param( [Parameter(Mandatory=$true, Position=0)] [string]$ImagePath, [NtApiDotNet.CreateUserProcess]$Config, [switch]$Win32Path ) if ($null -eq $Config) { $Config = New-NtProcessConfig -CommandLine $ImagePath } if ($Win32Path) { $ImagePath = Get-NtFilePath $ImagePath -Resolve } $Config.Start($ImagePath) } <# .SYNOPSIS Create a new EA buffer object for use with files. .DESCRIPTION This cmdlet creates a new extended attributes buffer object to set on file objects with the SetEa method or with New-NtFile. .PARAMETER Entries Optional Hashtable containing entries to initialize into the EA buffer. .PARAMETER $ExistingBuffer An existing buffer to initialize the new buffer from. .INPUTS None .OUTPUTS NtApiDotNet.EaBuffer .EXAMPLE New-NtEaBuffer Create a new empty EaBuffer object .EXAMPLE New-NtEaBuffer @{ INTENTRY = 1234; STRENTRY = "ABC"; BYTEENTRY = [byte[]]@(1,2,3) } Create a new EaBuffer object initialized with three separate entries. #> function New-NtEaBuffer { [CmdletBinding(DefaultParameterSetName = "FromEntries")] Param( [Parameter(ParameterSetName = "FromEntries", Position = 0)] [Hashtable]$Entries = @{}, [Parameter(ParameterSetName = "FromExisting", Position = 0)] [NtApiDotnet.Eabuffer]$ExistingBuffer ) if ($null -eq $ExistingBuffer) { $ea_buffer = New-Object NtApiDotNet.EaBuffer foreach($entry in $Entries.Keys) { $ea_buffer.AddEntry($entry, $Entries.Item($entry), 0) } return $ea_buffer } else { return New-Object NtApiDotNet.EaBuffer -ArgumentList $ExistingBuffer } } <# .SYNOPSIS Create a new image section based on an existing file. .DESCRIPTION This cmdlet creates an image section based on an existing file. .PARAMETER File A file object to an image file to create. .PARAMETER Path A path to an image to create. .PARAMETER Win32Path Resolve path as a Win32 path .PARAMETER ObjectPath Specify an object path for the new section object. .INPUTS None .OUTPUTS NtApiDotNet.NtSection .EXAMPLE New-NtSectionImage -Path \??\c:\windows\notepad.exe Creates a .EXAMPLE New-NtSectionImage -File $file Creates a new image section from an open NtFile object. #> function New-NtSectionImage { [CmdletBinding(DefaultParameterSetName = "FromFile")] Param( [Parameter(Position = 0, ParameterSetName = "FromFile", Mandatory = $true)] [NtApiDotNet.NtFile]$File, [Parameter(Position = 0, ParameterSetName = "FromPath", Mandatory = $true)] [string]$Path, [Parameter(ParameterSetName = "FromPath")] [switch]$Win32Path, [string]$ObjectPath ) if ($null -eq $File) { if ($Win32Path) { $Path = Get-NtFilePath $Path -Resolve } Use-NtObject($new_file = Get-NtFile -Path $Path -Share Read,Delete -Access GenericExecute) { return [NtApiDotNet.NtSection]::CreateImageSection($ObjectPath, $new_file) } } else { return [NtApiDotNet.NtSection]::CreateImageSection($ObjectPath, $File) } } <# .SYNOPSIS Opens an impersonation token from a process or thread using NtImpersonateThread .DESCRIPTION This cmdlet opens an impersonation token from a process using NtImpersonateThread. While SeDebugPrivilege allows you to bypass the security of processes and threads it doesn't mean you can open the primary token. This cmdlet allows you to get past that by getting a handle to the first thread and then impersonating it, as long as the thread isn't impersonating something else you'll get back a copy of the primary token. .PARAMETER ProcessId A process to open to get the token from. .PARAMETER ThreadId A thread to open to get the token from. .PARAMETER Access Access rights for the opened token. .INPUTS None .OUTPUTS NtApiDotNet.NtToken .EXAMPLE Get-NtTokenFromProcess -ProcessId 1234 Gets token from process ID 1234. .EXAMPLE Get-NtTokenFromProcess -ProcessId 1234 -Access Query Gets token from process ID 1234 with only Query access. .EXAMPLE Get-NtTokenFromProcess -ThreadId 1234 Gets token from process ID 1234. #> function Get-NtTokenFromProcess { [CmdletBinding(DefaultParameterSetName = "FromProcess")] Param( [Parameter(Position = 0, ParameterSetName = "FromProcess", Mandatory = $true)] [ValidateScript({$_ -ge 0})] [int]$ProcessId = -1, [Parameter(ParameterSetName = "FromThread", Mandatory = $true)] [ValidateScript({$_ -ge 0})] [int]$ThreadId = -1, [NtApiDotNet.TokenAccessRights]$Access = "MaximumAllowed" ) Set-NtTokenPrivilege SeDebugPrivilege | Out-Null $t = $null try { if (-1 -ne $ProcessId) { $t = Use-NtObject($p = Get-NtProcess -ProcessId $ProcessId) { $p.GetFirstThread("DirectImpersonation") } } else { $t = Get-NtThread -ThreadId $ThreadId -Access DirectImpersonation } $current = Get-NtThread -Current -PseudoHandle Use-NtObject($t, $current.ImpersonateThread($t)) { Get-NtToken -Impersonation -Thread $current -Access $Access } } catch { Write-Error $_ } } <# .SYNOPSIS Gets the executable manifest for a PE file. .DESCRIPTION This cmdlet extracts the manifes from a PE file and extracts basic information such as UIAccess setting or Auto Elevation. .PARAMETER Path Filename to get the executable manifest from. .INPUTS List of filenames .OUTPUTS NtApiDotNet.Win32.ExecutableManifest .EXAMPLE Get-ExecutableManifest abc.dll Gets manifest from file abc.dll. .EXAMPLE Get-ChildItem $env:windir\*.exe -Recurse | Get-ExecutableManifest Gets all manifests from EXE files, recursively under Windows. .EXAMPLE Get-ChildItem $env:windir\*.exe -Recurse | Get-ExecutableManifest | Where-Object AutoElevate | Select-Object FullPath Get the full path of all executables with Auto Elevate manifest configuration. #> function Get-ExecutableManifest { [CmdletBinding()] param ( [parameter(Mandatory=$true, Position=0, ValueFromPipeline=$true)] [string]$Path ) PROCESS { $fullpath = Resolve-Path -LiteralPath $Path $manifest = [NtApiDotNet.Win32.ExecutableManifest]::GetManifests($fullpath) Write-Output $manifest } } <# .SYNOPSIS Prints the details of the current token. .DESCRIPTION This cmdlet opens the current token and prints basic details about it. This is similar to the Windows whois command but runs in process and will print information about the current thread token if you're impersonating. .PARAMETER All Show all information. .PARAMETER User Show user information. .PARAMETER Group Show group information. Also prints capability sids and restricted sids if a sandboxed token. .PARAMETER Privilege Show privilege information. .PARAMETER Integrity Show integrity information. .OUTPUTS Text data .EXAMPLE Show-NtTokenEffective Show only the user name of the current token. .EXAMPLE Show-NtTokenEffective -All Show the user, groups, privileges and integrity of the current token. .EXAMPLE Show-NtTokenEffective -User -Group Show the user and groups of the current token. #> function Show-NtTokenEffective { Param( [switch]$All, [switch]$Group, [switch]$Privilege, [switch]$User, [switch]$Integrity ) $token = Get-NtToken -Effective if ($All) { $Group = $true $User = $true $Privilege = $true $Integrity = $true } if (!$User -and !$Group -and !$Privilege -and !$Integrity) { $token.User.ToString() return } if ($User) { "USER INFORMATION" "----------------" $token.User | Format-Table } if ($Group) { "GROUP SID INFORMATION" "-----------------" $token.Groups | Format-Table if ($token.AppContainer) { "CAPABILITY SID INFORMATION" "----------------------" $token.Capabilities | Format-Table } if ($token.Restricted) { "RESTRICTED SID INFORMATION" "--------------------------" $token.RestrictedSids | Format-Table } } if ($Privilege) { "PRIVILEGE INFORMATION" "---------------------" $token.Privileges | Format-Table } if ($Integrity) { "INTEGRITY LEVEL" "---------------" $token.IntegrityLevel | Format-Table } } <# .SYNOPSIS Shows an object's security descriptor in a UI. .DESCRIPTION This cmdlet displays the security descriptor for an object in the standard Windows UI. If an object is passed and the handle grants WriteDac access then the viewer will also allows you to modify the security descriptor. .PARAMETER Object Specify an object to use for the security descriptor. .PARAMETER SecurityDescriptor Specify a security descriptor. .PARAMETER Type Specify the NT object type for the security descriptor. .PARAMETER Name Optional name to display with the security descriptor. .PARAMETER Wait Optionally wait for the user to close the UI. .PARAMETER ReadOnly Optionally force the viewer to be read-only when passing an object with WriteDac access. .OUTPUTS None .EXAMPLE Show-NtSecurityDescriptor $obj Show the security descriptor of an object. .EXAMPLE Show-NtSecurityDescriptor $obj -ReadOnly Show the security descriptor of an object as read only. .EXAMPLE Show-NtSecurityDescriptor $obj.SecurityDescriptor -Type $obj.NtType Show the security descriptor for an object via it's properties. #> function Show-NtSecurityDescriptor { [CmdletBinding(DefaultParameterSetName = "FromObject")] Param( [Parameter(Position = 0, ParameterSetName = "FromObject", Mandatory = $true)] [NtApiDotNet.NtObject]$Object, [Parameter(ParameterSetName = "FromObject")] [switch]$ReadOnly, [Parameter(Position = 0, ParameterSetName = "FromSecurityDescriptor", Mandatory = $true)] [NtApiDotNet.SecurityDescriptor]$SecurityDescriptor, [Parameter(Position = 1, ParameterSetName = "FromSecurityDescriptor", Mandatory = $true)] [NtApiDotNet.NtType]$Type, [Parameter(ParameterSetName = "FromSecurityDescriptor")] [string]$Name = "Object", [switch]$Wait ) if ($Object -ne $null) { if (!$Object.IsAccessGranted("ReadControl")) { Write-Error "Object doesn't have Read Control access." return } Use-NtObject($obj = $Object.Duplicate()) { $obj.Inherit = $true $cmdline = [string]::Format("ViewSecurityDescriptor {0}", $obj.Handle.DangerousGetHandle()) if ($ReadOnly) { $cmdline += " --readonly" } $config = New-Win32ProcessConfig $cmdline -ApplicationName "$PSScriptRoot\ViewSecurityDescriptor.exe" -InheritHandles $config.InheritHandleList.Add($obj.Handle.DangerousGetHandle()) Use-NtObject($p = New-Win32Process -Config $config) { if ($Wait) { $p.Process.Wait() | Out-Null } } } } else { Start-Process -FilePath "$PSScriptRoot\ViewSecurityDescriptor.exe" -ArgumentList @($Name,$SecurityDescriptor.ToSddl(),$Type.Name) -Wait:$Wait } } <# .SYNOPSIS Gets an IO control code structure. .DESCRIPTION This cmdlet gets an IO control code structure from a code or from its constituent parts. .PARAMETER ControlCode Specify the control code for the structure. .PARAMETER DeviceType Specify the device type component. .PARAMETER Function Specify the function code component. .PARAMETER Method Specify the control method component. .PARAMETER Access Specify the access component. .PARAMETER LookupName Specify to try and lookup a known name for the IO control code. If no name found will just return an empty string. .OUTPUTS NtApiDotNet.NtIoControlCode .EXAMPLE Get-NtIoControlCode 0x110028 Get the IO control code structure for a control code. .EXAMPLE Get-NtIoControlCode 0x110028 -LookupName Get the IO control code structure for a control code and lookup its name (if known). .EXAMPLE Get-NtIoControlCode -DeviceType NAMED_PIPE -Function 10 -Method Buffered -Access Any Get the IO control code structure from component parts. .EXAMPLE Get-NtIoControlCode -DeviceType NAMED_PIPE -Function 10 -Method Buffered -Access Any -LookupName Get the IO control code structure from component parts and lookup its name (if known). #> function Get-NtIoControlCode { [CmdletBinding(DefaultParameterSetName = "FromCode")] Param( [Parameter(Position = 0, ParameterSetName = "FromCode", Mandatory = $true)] [int]$ControlCode, [Parameter(ParameterSetName = "FromParts", Mandatory = $true)] [NtApiDotNet.FileDeviceType]$DeviceType, [Parameter(ParameterSetName = "FromParts", Mandatory = $true)] [int]$Function, [Parameter(ParameterSetName = "FromParts", Mandatory = $true)] [NtApiDotNet.FileControlMethod]$Method, [Parameter(ParameterSetName = "FromParts", Mandatory = $true)] [NtApiDotNet.FileControlAccess]$Access, [switch]$LookupName ) $control_code = switch ($PsCmdlet.ParameterSetName) { "FromCode" { [NtApiDotNet.NtIoControlCode]::new($ControlCode) } "FromParts" { [NtApiDotNet.NtIoControlCode]::new($DeviceType, $Function, $Method, $Access) } } if ($LookupName) { return [NtApiDotNet.NtWellKnownIoControlCodes]::KnownControlCodeToName($control_code) } $control_code } <# .SYNOPSIS Export details about an object to re-import in another process. .DESCRIPTION This function generates a short JSON string which can be used to duplicate into another process using the Import-NtObject function. The handle must be valid when the import function is executed. .PARAMETER Object Specify the object to export. .OUTPUTS string .EXAMPLE Export-NtObject $obj Export an object to a JSON string. #> function Export-NtObject { param( [Parameter(Position = 0, Mandatory = $true)] [NtApiDotNet.NtObject]$Object ) $obj = [PSCustomObject]@{ProcessId=$PID;Handle=$Object.Handle.DangerousGetHandle().ToInt32()} $obj | ConvertTo-Json -Compress } <# .SYNOPSIS Imports an object exported with Export-NtObject. .DESCRIPTION This function accepts a JSON string exported from Export-NtObject which allows an object to be duplicated between PowerShell instances. .PARAMETER Object Specify the object to import as a JSON string. .OUTPUTS NtApiDotNet.NtObject .EXAMPLE Import-NtObject '{"ProcessId":3300,"Handle":2660}' Import an object from a JSON string. #> function Import-NtObject { param( [Parameter(Position = 0, Mandatory = $true)] [string]$Object ) $obj = ConvertFrom-Json $Object Use-NtObject($generic = [NtApiDotNet.NtGeneric]::DuplicateFrom($obj.ProcessId, $obj.Handle)) { $generic.ToTypedObject() } } <# .SYNOPSIS Gets the execution alias information from a name. .DESCRIPTION This cmdlet looks up an execution alias and tries to parse its reparse point to extract internal information. .PARAMETER AliasName The alias name to lookup. Can be either a full path to the alias or a name which will be found in the WindowsApps folder. .EXAMPLE Get-ExecutionAlias ubuntu.exe Get the ubuntu.exe execution alias from local appdata. .EXAMPLE Get-ExecutionAlias c:\path\to\alias.exe Get the alias.exe execution alias from an absolute path. #> function Get-ExecutionAlias { Param( [Parameter(Mandatory=$true, Position=0)] [string]$AliasName ) if (Test-Path $AliasName) { $path = Resolve-Path $AliasName } else { $path = $env:LOCALAPPDATA + "\Microsoft\WindowsApps\$AliasName" } Use-NtObject($file = Get-NtFile -Path $path -Win32Path -Options OpenReparsePoint,SynchronousIoNonAlert ` -Access GenericRead,Synchronize) { $file.GetReparsePoint($true) } } <# .SYNOPSIS Creates a new execution alias information. .DESCRIPTION This cmdlet creates a new execution alias for a packaged application. .PARAMETER PackageName The name of the UWP package. .PARAMETER EntryPoint The entry point of the application .PARAMETER Target The target executable path .PARAMETER Flags Additional flags .PARAMETER Version Version number .EXAMPLE Set-ExecutionAlias c:\path\to\alias.exe -PackageName test -EntryPoint test!test -Target c:\test.exe -Flags 48 -Version 3 Set the alias.exe execution alias. #> function New-ExecutionAlias { Param( [Parameter(Mandatory=$true, Position=0)] [string]$Path, [Parameter(Mandatory=$true, Position=1)] [string]$PackageName, [Parameter(Mandatory=$true, Position=2)] [string]$EntryPoint, [Parameter(Mandatory=$true, Position=3)] [string]$Target, [Int32]$Flags = 48, [Int32]$Version = 3 ) $rp = [NtApiDotNet.ExecutionAliasReparseBuffer]::new($Version, $PackageName, $EntryPoint, $Target, $Flags) Use-NtObject($file = New-NtFile -Path $Path -Win32Path -Options OpenReparsePoint,SynchronousIoNonAlert ` -Access GenericWrite,Synchronize -Disposition OpenIf) { $file.SetReparsePoint($rp) } } function Start-NtTokenViewer { param( [Parameter(Mandatory=$true, Position=0)] [NtApiDotNet.NtToken]$Token, [string]$Text ) Use-NtObject($dup_token = $Token.Duplicate()) { $dup_token.Inherit = $true $cmdline = [string]::Format("TokenViewer --handle={0}", $dup_token.Handle.DangerousGetHandle()) if ($Text -ne "") { $cmdline += " ""--text=$Text""" } $config = New-Win32ProcessConfig $cmdline -ApplicationName "$PSScriptRoot\TokenViewer.exe" -InheritHandles $config.InheritHandleList.Add($dup_token.Handle.DangerousGetHandle()) Use-NtObject($p = New-Win32Process -Config $config) { } } } <# .SYNOPSIS Display a UI viewer for a NT token. .DESCRIPTION This function will create an instance of the TokenViewer application to display the opened token. .PARAMETER Token The token to view. .PARAMETER Text Additional text to show in title bar for this token. .PARAMETER Process The process to display the token for. .PARAMETER ProcessId A process ID of a process to display the token for. .PARAMETER Name The name of a process to display the token for. .PARAMETER MaxTokens When getting the name only display at most this number of tokens. .INPUTS None .OUTPUTS None .EXAMPLE Show-NtToken Display the primary token for the current process. .EXAMPLE Show-NtToken -ProcessId 1234 Display the primary token for the process with PID 1234. .EXAMPLE Show-NtToken -Process $process Display the primary token for the process specified with an NtProcess object. .EXAMPLE $ps | Select-Object -First 5 | Show-NtToken Display the first 5 primary tokens from a list of processes. .EXAMPLE Show-NtToken -Token $token Display the token specified with an NtToken object. .EXAMPLE Show-NtToken -Name "notepad.exe" Display the primary tokens from accessible processes named notepad.exe. .EXAMPLE Show-NtToken -Name "notepad.exe" -MaxTokens 5 Display up to 5 primary tokens from accessible processes named notepad.exe. .EXAMPLE Show-NtToken -All Show a list of all accessible tokens to choose from. #> function Show-NtToken { [CmdletBinding(DefaultParameterSetName = "FromPid")] param( [Parameter(Mandatory=$true, Position=0, ParameterSetName="FromToken", ValueFromPipeline=$true)] [NtApiDotNet.NtToken]$Token, [Parameter(Mandatory=$true, Position=0, ParameterSetName="FromProcess", ValueFromPipeline=$true)] [NtApiDotNet.NtProcess]$Process, [Parameter(Position=0, ParameterSetName="FromPid")] [int]$ProcessId = $pid, [Parameter(Mandatory=$true, ParameterSetName="FromName")] [string]$Name, [int]$MaxTokens = 0, [Parameter(ParameterSetName="All")] [switch]$All ) PROCESS { if (-not $(Test-Path "$PSScriptRoot\TokenViewer.exe" -PathType Leaf)) { Write-Error "Missing token viewer application $PSScriptRoot\TokenViewer.exe" return } switch($PSCmdlet.ParameterSetName) { "FromProcess" { Use-NtObject($t = Get-NtToken -Primary -Process $Process) { $text = "$($Process.Name):$($Process.ProcessId)" Start-NtTokenViewer $t -Text $text } } "FromName" { Use-NtObject($ps = Get-NtProcess -Name $Name -Access QueryLimitedInformation) { if ($MaxTokens -gt 0) { $ps = $ps | Select-Object -First $MaxTokens } $ps | Show-NtToken } } "FromPid" { $cmdline = [string]::Format("TokenViewer --pid={0}", $ProcessId) $config = New-Win32ProcessConfig $cmdline -ApplicationName "$PSScriptRoot\TokenViewer.exe" -InheritHandles Use-NtObject($p = New-Win32Process -Config $config) { } } "FromToken" { Start-NtTokenViewer $Token } "All" { Start-Process "$PSScriptRoot\TokenViewer.exe" } } } } <# .SYNOPSIS Invokes a script block while impersonating a token. .DESCRIPTION This cmdlet invokes a script block while impersonating a token. .PARAMETER Token The token to impersonate, if the token is a primary token it will be duplicated. .PARAMETER Script The script block to execute during impersonation. .PARAMETER ImpersonationLevel When the token is duplicated specify the impersonation level to use. .OUTPUTS Result of the script block. .EXAMPLE Invoke-NtToken -Token $token -Script { Get-NtFile \Path\To\File } Open a file under impersonation. .EXAMPLE Invoke-NtToken -Token $token -ImpersonationLevel Identification -Script { Get-NtToken -Impersonation -OpenAsSelf } Open the impersontation token under identification level impersonation. #> function Invoke-NtToken{ param( [Parameter(Mandatory=$true, Position=0)] [NtApiDotNet.NtToken]$Token, [Parameter(Mandatory=$true, Position=1)] [ScriptBlock]$Script, [NtApiDotNet.SecurityImpersonationLevel]$ImpersonationLevel = "Impersonation" ) $cb = [System.Func[Object]]{ & $Script } $Token.RunUnderImpersonate($cb, $ImpersonationLevel) } <# .SYNOPSIS Displays a mapped section in a UI. .DESCRIPTION This cmdlet displays a section object inside a UI from where the data can be inspected or edited. .PARAMETER Section Specify a section object. .PARAMETER Wait Optionally wait for the user to close the UI. .PARAMETER ReadOnly Optionally force the viewer to be read-only when passing a section with Map Write access. .OUTPUTS None .EXAMPLE Show-NtSection $section Show the mapped section. .EXAMPLE Show-NtSection $section -ReadOnly Show the mapped section as read only. .EXAMPLE Show-NtSection $section -Wait Show the mapped section and wait for the viewer to exit. #> function Show-NtSection { [CmdletBinding(DefaultParameterSetName = "FromSection")] Param( [Parameter(Position = 0, Mandatory = $true, ParameterSetName = "FromSection")] [NtApiDotNet.NtSection]$Section, [Parameter(ParameterSetName = "FromSection")] [switch]$ReadOnly, [Parameter(Position = 0, Mandatory = $true, ParameterSetName = "FromData")] [byte[]]$Data, [switch]$Wait ) switch($PSCmdlet.ParameterSetName) { "FromSection" { if (!$Section.IsAccessGranted("MapRead")) { Write-Error "Section doesn't have Map Read access." return } Use-NtObject($obj = $Section.Duplicate()) { $obj.Inherit = $true $cmdline = [string]::Format("EditSection --handle {0}", $obj.Handle.DangerousGetHandle()) if ($ReadOnly) { $cmdline += " --readonly" } $config = New-Win32ProcessConfig $cmdline -ApplicationName "$PSScriptRoot\EditSection.exe" -InheritHandles $config.InheritHandleList.Add($obj.Handle.DangerousGetHandle()) Use-NtObject($p = New-Win32Process -Config $config) { if ($Wait) { $p.Process.Wait() | Out-Null } } } } "FromData" { if ($Data.Length -eq 0) { return } $tempfile = New-TemporaryFile $path = $tempfile.FullName [System.IO.File]::WriteAllBytes($path, $Data) Use-NtObject($p = New-Win32Process "EditSection --delete --file=""$path""" -ApplicationName "$PSScriptRoot\EditSection.exe") { if ($Wait) { $p.Process.Wait() | Out-Null } } } } } <# .SYNOPSIS Resolve the address of a list of objects. .DESCRIPTION This cmdlet resolves the kernel address for a list of objects. This is an expensive operation so it's designed to be .PARAMETER Objects The list of objects to resolve. .OUTPUTS None .EXAMPLE Resolve-NtObjectAddress $obj1, $obj2; $obj1.Address Resolve the address of two objects. #> function Resolve-NtObjectAddress { [CmdletBinding()] param ( [parameter(Mandatory=$true, Position=0, ValueFromPipeline=$true)] [NtApiDotNet.NtObject[]]$Objects ) BEGIN { $objs = @() } PROCESS { $objs += $Objects } END { [NtApiDotNet.NtSystemInfo]::ResolveObjectAddress([NtApiDotNet.NtObject[]]$objs) } } <# .SYNOPSIS Get the security descriptor from an object. .DESCRIPTION This cmdlet gets the security descriptor from an object with specified list of security information. .PARAMETER Object The object to get the security descriptor from. .PARAMETER SecurityInformation The security information to get from the object. .PARAMETER ToSddl Convert the security descriptor to an SDDL string. .OUTPUTS NtApiDotNet.SecurityDescriptor string .EXAMPLE Get-NtSecurityDescriptor $obj Get the security descriptor with default security information. .EXAMPLE Get-NtSecurityDescriptor $obj Dacl,Owner,Group Get the security descriptor with DACL, OWNER and GROUP values. .EXAMPLE Get-NtSecurityDescriptor $obj Dacl -ToSddl Get the security descriptor with DACL and output as an SDDL string. .EXAMPLE @($obj1, $obj2) | Get-NtSecurityDescriptor Get the security descriptors from an array of objects. .EXAMPLE Get-NtSecurityDescriptor -Process $process -Address 0x12345678 Get the security descriptor from another process at address 0x12345678. #> function Get-NtSecurityDescriptor { [CmdletBinding(DefaultParameterSetName = "FromObject")] param ( [parameter(Mandatory=$true, Position=0, ValueFromPipeline=$true, ParameterSetName = "FromObject")] [NtApiDotNet.NtObject]$Object, [parameter(Position=1, ParameterSetName = "FromObject")] [NtApiDotNet.SecurityInformation]$SecurityInformation = "AllBasic", [parameter(Mandatory = $true, ParameterSetName = "FromProcess")] [NtApiDotNet.NtProcess]$Process, [parameter(Mandatory = $true, ParameterSetName = "FromProcess")] [int64]$Address, [switch]$ToSddl ) PROCESS { $sd = switch($PsCmdlet.ParameterSetName) { "FromObject" { $Object.GetSecurityDescriptor($SecurityInformation) } "FromProcess" { [NtApiDotNet.SecurityDescriptor]::new($Process, [IntPtr]::new($Address)) } } if ($ToSddl) { $sd.ToSddl($SecurityInformation) } else { $sd } } } <# .SYNOPSIS Set the security descriptor for an object. .DESCRIPTION This cmdlet sets the security descriptor for an object with specified list of security information. .PARAMETER Object The object to get the security descriptor from. .PARAMETER SecurityInformation The security information to get from the object. .PARAMETER ToSddl Convert the security descriptor to an SDDL string. .OUTPUTS NtApiDotNet.SecurityDescriptor string .EXAMPLE Set-NtSecurityDescriptor $obj $sd Dacl Set the DACL of an object. .EXAMPLE Set-NtSecurityDescriptor $obj "D:(A;;GA;;;WD)" Dacl Set the DACL of an object based on an SDDL string. #> function Set-NtSecurityDescriptor { [CmdletBinding()] param ( [parameter(Mandatory=$true, Position=0, ValueFromPipeline=$true)] [NtApiDotNet.NtObject]$Object, [parameter(Mandatory=$true, Position=1, ParameterSetName = "FromSD")] [NtApiDotNet.SecurityDescriptor]$SecurityDescriptor, [parameter(Mandatory=$true, Position=1, ParameterSetName = "FromSddl")] [string]$Sddl, [parameter(Mandatory=$true, Position=2)] [NtApiDotNet.SecurityInformation]$SecurityInformation ) BEGIN { switch($PSCmdlet.ParameterSetName) { "FromSD" { $sd = $SecurityDescriptor } "FromSddl" { $sd = New-NtSecurityDescriptor -Sddl $Sddl } } } PROCESS { $Object.SetSecurityDescriptor($sd, $SecurityInformation) } } <# .SYNOPSIS Allocates a new block of virtual memory. .DESCRIPTION This cmdlet allocates a new block of virtual memory in a specified process with specified set of protection. Returns the address. .PARAMETER Size The size of the allocated memory region. .PARAMETER BaseAddress Optional address to allocate the memory at. Can be 0 which requests the kernel to pick an address. .PARAMETER Process The process to allocate the memory in, defaults to current process. .PARAMETER AllocationType The type of allocation to make. Defaults to Reserve and Commit. .PARAMETER Protection The protection for the memory region. Defaults to ReadWrite. .OUTPUTS int64 .EXAMPLE $addr = Add-NtVirtualMemory 0x10000 Allocate a block 0x10000 in size. .EXAMPLE $addr = Add-NtVirtualMemory 0x10000 -Process $process Allocate a block 0x10000 in size in the specified process. .EXAMPLE $addr = Add-NtVirtualMemory 0x10000 -AllocationType Reserve Reserve a block 0x10000 in size but don't yet commit it. .EXAMPLE $addr = Add-NtVirtualMemory 0x10000 -Protection ExecuteReadWrite Allocate a block 0x10000 in size with Read, Write and Execution protection. #> function Add-NtVirtualMemory { param ( [parameter(Mandatory, Position=0)] [int64]$Size, [int64]$BaseAddress, [NtApiDotNet.NtProcess]$Process = [NtApiDotnet.NtProcess]::Current, [NtApiDotNet.MemoryAllocationType]$AllocationType = "Reserve, Commit", [NtApiDotNet.MemoryAllocationProtect]$Protection = "ReadWrite" ) $Process.AllocateMemory($BaseAddress, $Size, $AllocationType, $Protection) } <# .SYNOPSIS Deallocates a block of virtual memory. .DESCRIPTION This cmdlet deallocates a block of virtual memory in a specified process. .PARAMETER Size The size of the region to decommit. Only valid when FreeType is Decommit. .PARAMETER Address The address to deallocate the memory at. .PARAMETER Process The process to deallocate the memory in, defaults to current process. .PARAMETER MemoryType The type of allocation operation to perform. Release frees the memory while Decommit makes it inaccessible. .OUTPUTS None .EXAMPLE Remove-NtVirtualMemory $addr Free block at $addr .EXAMPLE Remove-NtVirtualMemory $addr -Process $process Free a block in the specified process. .EXAMPLE Remove-NtVirtualMemory $addr -Size 0x1000 -FreeType Decommit Decommit a 4096 byte block at $addr #> function Remove-NtVirtualMemory { param ( [parameter(Mandatory, Position=0)] [int64]$Address, [int64]$Size, [NtApiDotNet.MemoryFreeType]$FreeType = "Release", [NtApiDotNet.NtProcess]$Process = [NtApiDotnet.NtProcess]::Current ) $Process.FreeMemory($Address, $Size, $FreeType) } <# .SYNOPSIS Get information about a virtual memory region by address or for the entire process. .DESCRIPTION This cmdlet gets information about a virtual memory region or all regions in a process. .PARAMETER Address The address to get information about. .PARAMETER Process The process to query for memory information, defaults to current process. .PARAMETER All Show all memory regions. .PARAMETER IncludeFree When showing all memory regions specify to include free regions as well. .OUTPUTS NtApiDotNet.MemoryInformation .EXAMPLE Get-NtVirtualMemory $addr Get the memory information for the specified address. .EXAMPLE Get-NtVirtualMemory $addr -Process $process Get the memory information for the specified address in another process. .EXAMPLE Get-NtVirtualMemory -All Get all memory information. .EXAMPLE Get-NtVirtualMemory -All -Process $process Get all memory information in another process. .EXAMPLE Get-NtVirtualMemory -All -Process $process -IncludeFree Get all memory information in another process including free regions. #> function Get-NtVirtualMemory { [CmdletBinding()] param ( [parameter(Mandatory, Position=0, ParameterSetName = "FromAddress")] [int64]$Address, [NtApiDotNet.NtProcess]$Process = [NtApiDotnet.NtProcess]::Current, [parameter(Mandatory, ParameterSetName = "All")] [switch]$All, [parameter(ParameterSetName = "All")] [switch]$IncludeFree ) switch ($PsCmdlet.ParameterSetName) { "FromAddress" { $Process.QueryMemoryInformation($Address) } "All" { $Process.QueryAllMemoryInformation($IncludeFree) } } } <# .SYNOPSIS Set protection flags for a virtual memory region. .DESCRIPTION This cmdlet sets protection flags for a region of virtual memory in the current process or another specified process. .PARAMETER Address The address location to set the memory protection. .PARAMETER Size The size of the memory region to set. .PARAMETER Process The process to set the memory in, defaults to current process. .PARAMETER Protection Specify the new protection for the memory region. .OUTPUTS NtApiDotNet.MemoryAllocationProtect - The previous memory protection setting. .EXAMPLE Set-NtVirtualMemory $addr 0x1000 ExecuteRead Sets the protection of a memory region to ExecuteRead. #> function Set-NtVirtualMemory { [CmdletBinding()] param ( [parameter(Mandatory, Position=0)] [int64]$Address, [parameter(Mandatory, Position=1)] [int64]$Size, [parameter(Mandatory, Position=2)] [NtApiDotNet.MemoryAllocationProtect]$Protection, [NtApiDotNet.NtProcess]$Process = [NtApiDotnet.NtProcess]::Current ) $Process.ProtectMemory($Address, $Size, $Protection) } <# .SYNOPSIS Reads bytes from a virtual memory region. .DESCRIPTION This cmdlet reads the bytes from a region of virtual memory in the current process or another specified process. .PARAMETER Address The address location to read. .PARAMETER Size The size of the memory to read. This is the maximum, if the memory address is invalid the returned buffer can be smaller. .PARAMETER Process The process to read from, defaults to current process. .PARAMETER ReadAll Specify to ensure you read all the requested memory from the process. .OUTPUTS byte[] - The array of read bytes. The size of the output might be smaller than the requested size. .EXAMPLE Read-NtVirtualMemory $addr 0x1000 Read up to 4096 from $addr. .EXAMPLE Read-NtVirtualMemory $addr 0x1000 -Process $process Read up to 4096 from $addr in another process. .EXAMPLE Read-NtVirtualMemory $addr 0x1000 -ReadAll Read up to 4096 from $addr, fail if can't read all the bytes. #> function Read-NtVirtualMemory { [CmdletBinding()] param ( [parameter(Mandatory, Position=0)] [int64]$Address, [parameter(Mandatory, Position=1)] [int]$Size, [NtApiDotNet.NtProcess]$Process = [NtApiDotnet.NtProcess]::Current, [switch]$ReadAll ) $Process.ReadMemory($Address, $Size, $ReadAll) } <# .SYNOPSIS Writes bytes to a virtual memory region. .DESCRIPTION This cmdlet writes bytes to a region of virtual memory in the current process or another specified process. .PARAMETER Address The address location to write. .PARAMETER Data The data buffer to write. .PARAMETER Process The process to write to, defaults to current process. .OUTPUTS int - The length of bytes successfully written. .EXAMPLE Write-NtVirtualMemory $addr 0, 1, 2, 3, 4 Write 5 bytes to $addr .EXAMPLE Write-NtVirtualMemory $addr 0, 1, 2, 3, 4 -Process $process Write 5 bytes to $addr in another process. #> function Write-NtVirtualMemory { [CmdletBinding()] param ( [parameter(Mandatory, Position=0)] [int64]$Address, [parameter(Mandatory, Position=1)] [byte[]]$Data, [NtApiDotNet.NtProcess]$Process = [NtApiDotnet.NtProcess]::Current ) $Process.WriteMemory($Address, $Data) } <# .SYNOPSIS Get the embedded signature information from a file. .DESCRIPTION This cmdlet gets the embedded authenticode signature information from a file. This differs from Get-AuthenticodeSignature in that it doesn't take into account catalog signing which is important for tracking down PP and PPL executables. .PARAMETER FullName The path to the file to extract the signature from. #> function Get-EmbeddedAuthenticodeSignature { [CmdletBinding()] param( [parameter(Mandatory, Position = 0, ValueFromPipeline = $true, ValueFromPipelineByPropertyName=$true)] [string]$FullName ) PROCESS { $content_type = [System.Security.Cryptography.X509Certificates.X509ContentType]::Unknown try { $path = Resolve-Path $FullName $content_type = [System.Security.Cryptography.X509Certificates.X509Certificate2]::GetCertContentType($Path) } catch { } if ($content_type -ne "Authenticode") { return } $cert = [System.Security.Cryptography.X509Certificates.X509Certificate2]::new($Path) $ppl = $false $pp = $false $tcb = $false $system = $false $dynamic = $false $elam = $false $store = $false foreach($eku in $cert.EnhancedKeyUsageList) { switch($eku.ObjectId) { "1.3.6.1.4.1.311.10.3.22" { $ppl = $true } "1.3.6.1.4.1.311.10.3.24" { $pp = $true } "1.3.6.1.4.1.311.10.3.23" { $tcb = $true } "1.3.6.1.4.1.311.10.3.6" { $system = $true } "1.3.6.1.4.1.311.76.11.1" { $elam = $true } "1.3.6.1.4.1.311.76.5.1" { $dynamic = $true } "1.3.6.1.4.311.76.3.1" { $store = $true } } } $props = @{ Path=$Path; Certificate=$cert; ProtectedProcess=$pp; ProtectedProcessLight=$ppl; Tcb=$tcb; SystemComponent=$system; DynamicCodeGeneration=$dynamic; Elam=$elam; Store=$store; } $obj = New-Object –TypeName PSObject –Prop $props Write-Output $obj } } <# .SYNOPSIS Get a filtered token. .DESCRIPTION This is left for backwards compatibility, use 'Get-NtToken -Filtered' instead. #> function Get-NtFilteredToken { Param( [parameter(Mandatory=$true, Position=0)] [NtApiDotNet.NtToken]$Token, [NtApiDotNet.TokenPrivilege[]]$PrivilegesToDelete, [NtApiDotNet.UserGroup[]]$SidsToDisable, [NtApiDotNet.UserGroup[]]$RestrictedSids, [NtApiDotNet.FilterTokenFlags]$Flags ) Write-Warning "This cmdlet is deprecated. Please use Get-NtToken -Filtered instead" Get-NtToken -Filtered -Token $Token -PrivilegesToDelete $PrivilegesToDelete -SidsToDisable $SidsToDisable -RestrictedSids $RestrictedSids -Flags $Flags } <# .SYNOPSIS Get a lowbox token. .DESCRIPTION This is left for backwards compatibility, use 'Get-NtToken -LowBox' instead. #> function Get-NtLowBoxToken { Param( [parameter(Mandatory=$true, Position=0)] [NtApiDotNet.NtToken]$Token, [parameter(Mandatory=$true)] [string]$PackageSid, [string]$RestrictedPackageName, [NtApiDotNet.Sid[]]$CapabilitySids, [NtApiDotNet.NtObject[]]$Handles ) Write-Warning "This cmdlet is deprecated. Please use Get-NtToken -LowBox instead" Get-NtToken -LowBox -Token $Token -PackageSid $PackageSid -RestrictedPackageName $RestrictedPackageName -CapabilitySids $CapabilitySids -Handles $Handles } |