References

1. Snort Rules Explanation
   https://www.snort.org/rules_explanation
2. Introduction to IoC http://openioc.org/resources/An_Introduction_to_OpenIOC.pdf
3. IoC Editor https://www.fireeye.com/content/dam/fireeye-www/services/freeware/sdl-ioc-editor.zip
4. DUQU Uses STUXNET-Like Techniques to Conduct Information Theft

https://www.trendmicro.com/vinfo/us/threat-encyclopedia/web-attack/90/duqu-uses-stuxnetlike-techniques-to-conduct-information-theft

5. How to Select a Network Intrusion Prevention System (IPS)

https://www.icsalabs.com/sites/default/files/HowToSelectANetworkIPS.pdf

6. Detect Security Breaches Early by Analyzing Behavior

https://www.gartner.com/smarterwithgartner/detect-security-breaches-early-by-analyzing-behavior/

7. Advanced Threat Analytics attack simulation playbook
   https://docs.microsoft.com/en-us/enterprise-mobility-security/solutions/ata-attack-simulation-playbook
...