---
id: 4586
title: "Bradley, hash-and-decrypt, Gauss ... a brief history of armored malware and malicious crypto"
source_domain: blog.quarkslab.com
source_url: "https://blog.quarkslab.com/bradley-hash-and-decrypt-gauss-a-brief-history-of-armored-malware-and-malicious-crypto.html"
published_at: "2012-08-14T22:00:00Z"
tags: ["zero-day", "malware", "cryptography", "stuxnet", "gauss", "environmental-keying"]
phying_url: "https://phying.com/item/4586"
lang: en
---

# Bradley, hash-and-decrypt, Gauss ... a brief history of armored malware and malicious crypto

## Summary

A brief history of armored malware and malicious crypto, from Riordan and Schneier's environmental keying to Gauss's hidden decryptors, and why unprotected payloads wasted Stuxnet's secrets.

## Intelligence Metadata

- **Sources:** blog.quarkslab.com
- **Published:** 2012-08-14T22:00:00Z
- **Original:** https://blog.quarkslab.com/bradley-hash-and-decrypt-gauss-a-brief-history-of-armored-malware-and-malicious-crypto.html
- **Phying News:** https://phying.com/item/4586