CODEWITHSUNDEEP
command-linedriverdigital-certificate
BillyDay
BillyDay

Reputation: 47

Extract certificate from .sys file

Is it possible to extract the digital signature certificate from a sys driver file by command line?

Either using 3rd party tool or built in windows tools?

Thanks

Upvotes: 4

Views: 3287

Answers (1)

Annih
Annih

Reputation: 73

Using powershell it's quite easy:

$driverFile = 'C:\temp\myDriver.sys';
$outputFile = 'C:\temp\output.cer';
$exportType = [System.Security.Cryptography.X509Certificates.X509ContentType]::Cert;

$cert = (Get-AuthenticodeSignature $driverFile).SignerCertificate;
[System.IO.File]::WriteAllBytes($outputFile, $cert.Export($exportType));

Upvotes: 7

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