added self-signed threat

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Mariusz B. / mgeeky 2022-07-13 22:44:46 +02:00
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A Powershell script that signs input Executable file with fake Microsoft code-signing certificate to demonstrate risks of Code Signing attacks.
Script was shamelessly borrowed from [Matt Graeber, @mattifestation](https://twitter.com/mattifestation) and his research titled [_Code Signing Certificate Cloning Attacks and Defenses_](https://posts.specterops.io/code-signing-certificate-cloning-attacks-and-defenses-6f98657fc6ec)
**All credits go to Matt** - I merely copied it preserverance purposes.
### Effectiveness
As of 13/07/2022 this **dumb trick** still gets off the shelf malware evade detection of at least 8 modern security scanners.
| What | Result |