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Get-AppLockerFileInformation

Tue Jan 29, 2019 9:23 pm

NAME Get-AppLockerFileInformation



SYNOPSIS

Gets the file information necessary to create AppLocker rules from a list of files or an event log.





SYNTAX

Get-AppLockerFileInformation [[-Path] <List<String>>] [-InformationAction {SilentlyContinue | Stop | Continue | Inquire | Ignore | Suspend}]

[-InformationVariable <System.String>] [<CommonParameters>]



Get-AppLockerFileInformation [-FileType {Exe | Dll | WindowsInstaller | Script | Appx}] [-InformationAction {SilentlyContinue | Stop | Continue |

Inquire | Ignore | Suspend}] [-InformationVariable <System.String>] [-Recurse] -Directory <String> [<CommonParameters>]



Get-AppLockerFileInformation [-EventType <List<AppLockerEventType>>] [-InformationAction {SilentlyContinue | Stop | Continue | Inquire | Ignore |

Suspend}] [-InformationVariable <System.String>] [-LogPath <String>] [-Statistics] -EventLog [<CommonParameters>]



Get-AppLockerFileInformation [[-Packages] <List<AppxPackage>>] [-InformationAction {SilentlyContinue | Stop | Continue | Inquire | Ignore |

Suspend}] [-InformationVariable <System.String>] [<CommonParameters>]





DESCRIPTION

The Get-AppLockerFileInformation cmdlet gets the AppLocker file information from a list of files or an event log. File information includes the

publisher information, file hash, and file path.



The file information from an event log may not contain all of the publisher information, file hash, and file path fields. Files that are not

signed will not have any publisher information.





PARAMETERS

-Directory <String>

Specifies the directory that contains the files for which to get the file information. If all subfolders and files in the specified directory

are to be searched, then include the Recurse parameter



Required? true

Position? named

Default value none

Accept pipeline input? false

Accept wildcard characters? false



-EventLog <SwitchParameter>

Specifies that the file information is retrieved from the event log.



Required? true

Position? named

Default value none

Accept pipeline input? false

Accept wildcard characters? false



-EventType [<List<AppLockerEventType>>]

Specifies the event type by which to filter the events. The acceptable values for this parameter are: Allowed, Denied, or Audited. The event

types correspond to the Informational, Error, and Warning level events in the AppLocker event logs.



Required? false

Position? named

Default value none

Accept pipeline input? false

Accept wildcard characters? false



-FileType [<List<AppLockerFileType>>]

Specifies the generic file type for which to search. All files having the appropriate file name extension will be included.

The acceptable values for this parameter are: EXE, Script, MSI, and DLL.



Required? false

Position? named

Default value none

Accept pipeline input? false

Accept wildcard characters? false



-InformationAction [<System.Management.Automation.ActionPreference>]

Specifies how this cmdlet responds to an information event. The acceptable values for this parameter are:



-- SilentlyContinue

-- Stop

-- Continue

-- Inquire

-- Ignore

-- Suspend



Required? false

Position? named

Default value none

Accept pipeline input? false

Accept wildcard characters? false



-InformationVariable [<System.String>]

Specifies a variable in which to store an information event message.



Required? false

Position? named

Default value none

Accept pipeline input? false

Accept wildcard characters? false



-LogPath [<String>]

Specifies the log name or file path of the event log where the AppLocker events are located. By default, if this parameter is not specified,

the local Microsoft-Windows-AppLocker/EXE and DLL channel is used.



Required? false

Position? named

Default value none

Accept pipeline input? false

Accept wildcard characters? false



-Packages [<List<AppxPackage>>]

Specifies a list of installed packaged applications, from which the file information is retrieved.



Required? false

Position? 1

Default value none

Accept pipeline input? true (ByValue, ByPropertyName)

Accept wildcard characters? false



-Path [<List<String>>]

Specifies a list of paths to the files from which the file information is retrieved. Supports regular expressions.



Required? false

Position? 1

Default value none

Accept pipeline input? true (ByValue, ByPropertyName)

Accept wildcard characters? false



-Recurse [<SwitchParameter>]

Specifies that all files and folders in the specified directory will be searched.



Required? false

Position? named

Default value none

Accept pipeline input? false

Accept wildcard characters? false



-Statistics [<SwitchParameter>]

Specifies the statistics to retrieve on the files included in the event log. Calculates a simple sum of the number of times a file is included

in the event log based on specified parameters.



Required? false

Position? named

Default value none

Accept pipeline input? false

Accept wildcard characters? false



<CommonParameters>

This cmdlet supports the common parameters: Verbose, Debug,

ErrorAction, ErrorVariable, WarningAction, WarningVariable,

OutBuffer, PipelineVariable, and OutVariable. For more information, see

about_CommonParameters (http://go.microsoft.com/fwlink/?LinkID=113216).



INPUTS

None







OUTPUTS

Microsoft.Security.ApplicationId.PolicyManagement.PolicyModel.FileInformation





System.String







EXAMPLE 1



PS C:\\>Get-AppLockerFileInformation -Directory C:\\Windows\\system32\\ -Recurse -FileType exe, script



This example gets the file information for all the .exe files and scripts under %windir%\\system32.





EXAMPLE 2



PS C:\\>Get-AppLockerFileInformation -Path "C:\\Program Files (x86)\\Internet Explorer\\iexplore.exe" | Format-List

Path : %PROGRAMFILES%\\INTERNET EXPLORER\\IEXPLORE.EXE

Publisher : CN=WINDOWS MAIN BUILD LAB ACCOUNT\\WINDOWS???? INTERNET EXPLORER\\IEXPLORE.EXE,10.0.8421.0

Hash : SHA256 0x5F374C2DD91A6F9E9E96F149EE221EC0454649F50E1AF6D3DAEFB849FB7C551C

AppX : False





PS C:\\>Get-AppLockerFileInformation -Path "C:\\Program Files\\Internet Explorer\\iexplore.exe" | Format-List

Path : %PROGRAMFILES%\\INTERNET EXPLORER\\IEXPLORE.EXE

Publisher : CN=WINDOWS MAIN BUILD LAB ACCOUNT\\WINDOWS???? INTERNET EXPLORER\\IEXPLORE.EXE,10.0.8421.0

Hash : SHA256 0x5F374C2DD91A6F9E9E96F149EE221EC0454649F50E1AF6D3DAEFB849FB7C551C

AppX : False



This example gets the file information for the file specified by the path.





EXAMPLE 3



PS C:\\>Get-AppXPackage ????????AllUsers | Get-AppLockerFileInformation

Path : windows.immersivecontrolpanel_6.2.0.0_neutral_neutral_cw5n1h2txyewy.appx

Publisher : CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington,

C=US\\windows.immersivecontrolpanel\\APPX,6.2.0.0

Hash :

AppX : True



Path : windows.RemoteDesktop_1.0.0.0_neutral_neutral_cw5n1h2txyewy.appx

Publisher : CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington,

C=US\\windows.RemoteDesktop\\APPX,1.0.0.0

Hash :

AppX : True



Path : WinStore_1.0.0.0_neutral_neutral_cw5n1h2txyewy.appx

Publisher : CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington, C=US\\WinStore\\APPX,1.0.0.0

Hash :

AppX : True



This example outputs the file information for all the packaged applications installed on this machine for all users.





EXAMPLE 4



PS C:\\>Get-AppLockerFileInformation -EventLog -EventType Audited



This example outputs the file information for all the Audited events in the local event log. Audited events correspond to the Warning event in the

AppLocker audit log.





EXAMPLE 5



PS C:\\>Get-AppLockerFileInformation -EventLog -EventType Allow -Statistics



This example displays statistics for all the Allowed events in the local event log. For each file in the event log, the cmdlet will sum the number

of times the event type occurred.





EXAMPLE 6



PS C:\\>Get-AppLockerFileInformation -EventLog -EventType Audited | New-AppLockerPolicy -RuleType Publisher, Hash, Path -User Everyone -Optimize |

Set-AppLockerPolicy -LDAP LDAP://TestGPO



This example creates a new AppLocker policy from the warning events in the local event log and sets the policy of a test Group Policy Object (GPO).







RELATED LINKS

Online Version: http://go.microsoft.com/fwlink/?linkid=287248

Get-AppLockerPolicy

New-AppLockerPolicy

Set-AppLockerPolicy

Test-AppLockerPolicy

Get-AppxPackage