bannsec
/ FileReadPrimitive.ps1
Last active
June 12, 2023 16:41
— forked from mattifestation/FileReadPrimitive.ps1
A WMI file content read primitive - ROOT/Microsoft/Windows/Powershellv3/PS_ModuleFile
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| $CimSession = New-CimSession -ComputerName 10.0.0.2 | |
| $FilePath = 'C:\Windows\System32\notepad.exe' | |
| # PS_ModuleFile only implements GetInstance (versus EnumerateInstance) so this trick below will force a "Get" operation versus the default "Enumerate" operation. | |
| $PSModuleFileClass = Get-CimClass -Namespace ROOT/Microsoft/Windows/Powershellv3 -ClassName PS_ModuleFile -CimSession $CimSession | |
| $InMemoryModuleFileInstance = New-CimInstance -CimClass $PSModuleFileClass -Property @{ InstanceID= $FilePath } -ClientOnly | |
| $FileContents = Get-CimInstance -InputObject $InMemoryModuleFileInstance -CimSession $CimSession | |
| $FileLengthBytes = $FileContents.FileData[0..3] | |
| [Array]::Reverse($FileLengthBytes) |