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c#powershellcryptographydigital-signature
E235
E235

Reputation: 13440

How to get the name of the signer from a signed file

I am trying to get the name of the signers from a signed files using PowerShell.

The signer of FlashUtil_ActiveX.exe (in Windows 10) is “Microsoft Windows Third Party Application Component”:
enter image description here
Checked with Right Click on the file

enter image description here
Checked with Sigcheck.exe

When I tried it with powershell it shows me different names:
enter image description here

Any of the names (the “Subject” and the “Issuer”) are not “Microsoft Windows Third Party Application Component”.

I also tried with Get-AppLockerFileInformation with no success:
enter image description here

Upvotes: 2

Views: 1584

Answers (1)

E235
E235

Reputation: 13440

I needed to use the Get-PfxCertificate command.
Now I can see the name of the signer appeared in the "Signature list".

This is how it looks using the command:
enter image description here

And this is an example for file (igfxSDK.exe) with number of signatures:
enter image description here

Upvotes: 3

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