Exploit Protection 缓解疑难解答Troubleshoot exploit protection mitigations

适用于:Applies to:

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创建一组称为配置 (的 exploit Protection 缓解) ,你可能会发现配置导出和导入过程不会删除所有不需要的缓解。When you create a set of exploit protection mitigations (known as a configuration), you might find that the configuration export and import process does not remove all unwanted mitigations.

你可以手动删除 Windows 安全机制中不需要的缓解,或者可以使用以下过程删除所有缓解,然后导入基线配置文件。You can manually remove unwanted mitigations in Windows Security, or you can use the following process to remove all mitigations and then import a baseline configuration file instead.

  1. 通过此 PowerShell 脚本删除所有进程缓解:Remove all process mitigations with this PowerShell script:

    # Check if Admin-Privileges are available
    function Test-IsAdmin {
        ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")
    }
    
    # Delete ExploitGuard ProcessMitigations for a given key in the registry. If no other settings exist under the specified key,
    # the key is deleted as well
    function Remove-ProcessMitigations([Object] $Key, [string] $Name) {
        Try {
            if ($Key.GetValue("MitigationOptions")) {
                Write-Host "Removing MitigationOptions for:      " $Name
                Remove-ItemProperty -Path $Key.PSPath -Name "MitigationOptions" -ErrorAction Stop;
            }
            if ($Key.GetValue("MitigationAuditOptions")) {
                Write-Host "Removing MitigationAuditOptions for: " $Name
                Remove-ItemProperty -Path $Key.PSPath -Name "MitigationAuditOptions" -ErrorAction Stop;
            }
    
            # Remove the FilterFullPath value if there is nothing else
            if (($Key.SubKeyCount -eq 0) -and ($Key.ValueCount -eq 1) -and ($Key.GetValue("FilterFullPath"))) {
                Remove-ItemProperty -Path $Key.PSPath -Name "FilterFullPath" -ErrorAction Stop;
            }
    
            # If the key is empty now, delete it
            if (($Key.SubKeyCount -eq 0) -and ($Key.ValueCount -eq 0)) {
                Write-Host "Removing empty Entry:                " $Name
                Remove-Item -Path $Key.PSPath -ErrorAction Stop
            }
        }
        Catch {
            Write-Host "ERROR:" $_.Exception.Message "- at ($MitigationItemName)"
        }
    }
    
    # Delete all ExploitGuard ProcessMitigations
    function Remove-All-ProcessMitigations {
        if (!(Test-IsAdmin)) {
            throw "ERROR: No Administrator-Privileges detected!"; return
        }
    
        Get-ChildItem -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options" | ForEach-Object {
            $MitigationItem = $_;
            $MitigationItemName = $MitigationItem.PSChildName
    
            Try {
                Remove-ProcessMitigations $MitigationItem $MitigationItemName
    
                # "UseFilter" indicate full path filters may be present
                if ($MitigationItem.GetValue("UseFilter")) {
                    Get-ChildItem -Path $MitigationItem.PSPath | ForEach-Object {
                        $FullPathItem = $_
                        if ($FullPathItem.GetValue("FilterFullPath")) {
                            $Name = $MitigationItemName + "-" + $FullPathItem.GetValue("FilterFullPath")
                            Write-Host "Removing FullPathEntry:              " $Name
                            Remove-ProcessMitigations $FullPathItem $Name
                        }
    
                        # If there are no subkeys now, we can delete the "UseFilter" value
                        if ($MitigationItem.SubKeyCount -eq 0) {
                            Remove-ItemProperty -Path $MitigationItem.PSPath -Name "UseFilter" -ErrorAction Stop
                        }
                    }
                }
                if (($MitigationItem.SubKeyCount -eq 0) -and ($MitigationItem.ValueCount -eq 0)) {
                    Write-Host "Removing empty Entry:                " $MitigationItemName
                    Remove-Item -Path $MitigationItem.PSPath -ErrorAction Stop
                }
            }
            Catch {
                Write-Host "ERROR:" $_.Exception.Message "- at ($MitigationItemName)"
            }
        }
    }
    
    # Delete all ExploitGuard System-wide Mitigations
    function Remove-All-SystemMitigations {
    
        if (!(Test-IsAdmin)) {
            throw "ERROR: No Administrator-Privileges detected!"; return
        }
    
        $Kernel = Get-Item -Path "HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager\kernel"
    
        Try {
            if ($Kernel.GetValue("MitigationOptions"))
                { Write-Host "Removing System MitigationOptions"
                    Remove-ItemProperty -Path $Kernel.PSPath -Name "MitigationOptions" -ErrorAction Stop;
                }
            if ($Kernel.GetValue("MitigationAuditOptions"))
                { Write-Host "Removing System MitigationAuditOptions"
                    Remove-ItemProperty -Path $Kernel.PSPath -Name "MitigationAuditOptions" -ErrorAction Stop;
                }
        } Catch {
            Write-Host "ERROR:" $_.Exception.Message "- System"
        }
    }
    
    Remove-All-ProcessMitigations
    Remove-All-SystemMitigations
    
  2. 创建和导入包含以下默认缓解的 XML 配置文件,如导入、导出和部署 Exploit Protection 配置中所述:Create and import an XML configuration file with the following default mitigations, as described in Import, export, and deploy Exploit Protection configurations:

     <?xml version="1.0" encoding="UTF-8"?>
     <root>
        <SystemConfig/>
        <AppConfig Executable="ExtExport.exe">
           <ASLR OverrideForceRelocateImages="false" ForceRelocateImages="false" Enable="true"/>
        </AppConfig>
        <AppConfig Executable="ie4uinit.exe">
          <ASLR OverrideForceRelocateImages="false" ForceRelocateImages="false" Enable="true"/>
        </AppConfig>
        <AppConfig Executable="ieinstal.exe">
       <ASLR OverrideForceRelocateImages="false" ForceRelocateImages="false" Enable="true"/>
        </AppConfig>
        <AppConfig Executable="ielowutil.exe">
          <ASLR OverrideForceRelocateImages="false" ForceRelocateImages="false" Enable="true"/>
        </AppConfig>
       <AppConfig Executable="ieUnatt.exe">
          <ASLR OverrideForceRelocateImages="false" ForceRelocateImages="false" Enable="true"/>
        </AppConfig>
       <AppConfig Executable="iexplore.exe">
          <ASLR OverrideForceRelocateImages="false" ForceRelocateImages="false" Enable="true"/>
        </AppConfig>
       <AppConfig Executable="mscorsvw.exe">
           <ExtensionPoints OverrideExtensionPoint="false" DisableExtensionPoints="true"/>
        </AppConfig>
        <AppConfig Executable="msfeedssync.exe">
           <ASLR OverrideForceRelocateImages="false" ForceRelocateImages="false" Enable="true"/>
        </AppConfig>
        <AppConfig Executable="mshta.exe">
           <ASLR OverrideForceRelocateImages="false" ForceRelocateImages="false" Enable="true"/>
        </AppConfig>
        <AppConfig Executable="ngen.exe">
           <ExtensionPoints OverrideExtensionPoint="false" DisableExtensionPoints="true"/>
        </AppConfig>
        <AppConfig Executable="ngentask.exe">
           <ExtensionPoints OverrideExtensionPoint="false" DisableExtensionPoints="true"/>
        </AppConfig>
        <AppConfig Executable="PresentationHost.exe">
           <DEP Enable="true" OverrideDEP="false" EmulateAtlThunks="false"/>
           <ASLR OverrideForceRelocateImages="false" ForceRelocateImages="false" Enable="true" OverrideBottomUp="false" HighEntropy="true" BottomUp="true"/>
           <SEHOP Enable="true" OverrideSEHOP="false" TelemetryOnly="false"/>
           <Heap OverrideHeap="false" TerminateOnError="true"/>
        </AppConfig>
        <AppConfig Executable="PrintDialog.exe">
           <ExtensionPoints OverrideExtensionPoint="false" DisableExtensionPoints="true"/>
        </AppConfig>
        <AppConfig Executable="PrintIsolationHost.exe"/>
        <AppConfig Executable="runtimebroker.exe">
           <ExtensionPoints OverrideExtensionPoint="false" DisableExtensionPoints="true"/>
        </AppConfig>
            <AppConfig Executable="splwow64.exe"/>
        <AppConfig Executable="spoolsv.exe"/>
        <AppConfig Executable="svchost.exe"/>
        <AppConfig Executable="SystemSettings.exe">
           <ExtensionPoints OverrideExtensionPoint="false" DisableExtensionPoints="true"/>
        </AppConfig>
    </root>
    

如果尚未下载并使用 Windows 安全基线来完成 Exploit Protection 自定义,则这是一个好主意。If you haven’t already, it's a good idea to download and use the Windows Security Baselines to complete your Exploit protection customization.