Created
May 2, 2017 23:34
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Quick Cmdlet to check this Intel ME Stuff - Uses WMI - Can be run against multiple targets
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<# | |
.Synopsis | |
Check For Intel Stuff (via WMI) | |
.DESCRIPTION | |
Check if vulnerable to Intel Active Management Technology, | |
Intel Small Business Technology, and Intel Standard Manageability | |
Escalation of Privilege. [INTEL-SA-00075 - May 1st 2017] | |
Uses WMI. Can be run against multiple computers. | |
Returns a risk indication, check links in notes for more info and remediation options | |
.EXAMPLE | |
IntelMEStuff | |
Checks LocalHost | |
.EXAMPLE | |
$ComputerList | IntelMEStuff | export-csv Result.csv | |
Checks ComputerList with specified creds and outputs to csv | |
,NOTES | |
https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00075&languageid=en-fr | |
https://downloadmirror.intel.com/26755/eng/INTEL-SA-00075%20Detection%20Guide-Rev%201.0.pdf | |
#> | |
function Test-IntelMEStuff{ | |
[Alias('IntelMEStuff')] | |
Param( | |
# target Computer(s) - optional - defaults to localhost | |
[Parameter(Mandatory=$false,Position=0,ValueFromPipeline=$true)][String[]]$ComputerName=$env:ComputerName, | |
# Credential for remote queries - optional | |
[Parameter(Mandatory=$false)][Switch]$Creds | |
) | |
Begin{ | |
#Prep Vars | |
$Output = @() | |
if($Creds){$CredObj = Get-Credential} | |
} | |
Process{ | |
foreach($target in $computerName){ | |
#if Local | |
if($ComputerName -match "$env:ComputerName|127.0.0.1"){ | |
$Proc = Get-WmiObject Win32_Processor | select Name | |
$MEI = Get-WmiObject Win32_SystemDriver -Filter "name='MEIx64'" | |
} | |
#If Remote | |
Else{ | |
#if creds | |
if($Creds){ | |
$Proc = Get-WmiObject Win32_Processor -ComputerName $target -Credential $CredObj | select Name | |
$MEI = Get-WmiObject Win32_SystemDriver -Filter "name='MEIx64'" -ComputerName $target -Credential $CredObj | |
} | |
# No Creds | |
Else{ | |
$Proc = Get-WmiObject Win32_Processor -ComputerName $target | select Name | |
$MEI = Get-WmiObject Win32_SystemDriver -Filter "name='MEIx64'" -ComputerName $target | |
} | |
} | |
#Calc risk based on firmware version | |
Try{ | |
$Version = (Get-Item $MEI.PathName).versioninfo | |
$V=$version.ProductVersion.Split('.') | |
#More Info: https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00075&languageid=en-fr | |
Switch($V[0]){ | |
'6'{if($V[1] -le 2 -AND $V[2] -le 61 -AND $V[3] -lt 3535){$Risk=$true}} | |
'7'{if($V[1] -le 1 -AND $V[2] -le 91 -AND $V[3] -lt 3272){$Risk=$true}} | |
'8'{if($V[1] -le 1 -AND $V[2] -le 71 -AND $V[3] -lt 3608){$Risk=$true}} | |
'9'{ | |
if($V[1] -le 1){if($V[2] -le 41 -AND $V[3] -lt 3535){$Risk=$true}} | |
Elseif($V[1] -eq 5){if($V[2] -le 61 -AND $V[3] -lt 3012){$Risk=$true}} | |
} | |
'10'{if($V[2] -le 55 -AND -$V[3] -lt 3000){$Risk=$true}} | |
'11'{ | |
if($V[1] -eq 0 -AND $V[2] -le 25 -AND -$V[3] -lt 3001){$Risk=$true} | |
Elseif($V[1] -eq 5 -AND $V[2] -le 27 -AND -$V[3] -lt 3264){$Risk=$true} | |
Elseif($V[1] -eq 6 -AND $V[2] -le 27 -AND -$V[3] -lt 3264){$Risk=$true} | |
} | |
default{$Risk=$false} | |
} | |
}catch{} | |
#Create Object + Add to Output | |
$Props = @{ | |
'ComputerName'=$Target | |
'Manufacturer'=$Proc.Manufacturer | |
'Processor'=$Proc.Name | |
'Management' = $MEI.DisplayName | |
'State'=$MEI.state | |
'Started'=$MEI.Started | |
'Driver'=$Version.OriginalFilename | |
'Version'=$Version.ProductVersion | |
'Risk' = $Risk | |
} | |
$Output+=New-Object PSCustomObject -Property $Props | |
} | |
} | |
End{ | |
#Output result object | |
$Output | select ComputerName,Processor,Management,State,Driver,Version,Risk | |
} | |
} |
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Just a friendly reminder, on vulnerable INTEL-SA-00075 the issue is firmware, not a driver issue.
So the solution will be to use "Intel-SA-00075-console.exe -f -p 'YourPath'" to generate a xml and then compare it :)
This file can be downloaded her: https://downloadcenter.intel.com/download/26755/INTEL-SA-00075-Detection-and-Mitigation-Tool
Best Regards