Versions of Microsoft Windows 64 bits were considered resistant against kernel mode rootkits because integrity checks performed by the system code. However, today there are examples of malware that use methods to bypass the security mechanisms Implemented. This presentation focuses on issues x64 acquitectura security, specifically in the signature policies kernel mode code and the techniques used
![Defeating x64: Modern Trends of Kernel-Mode Rootkits](https://cdn-ak-scissors.b.st-hatena.com/image/square/499924d4cc198d5427bb5832b75d97941eb628ee/height=288;version=1;width=512/https%3A%2F%2Fcdn.slidesharecdn.com%2Fss_thumbnails%2Fekoparty2011final-110925150533-phpapp02-thumbnail.jpg%3Fwidth%3D640%26height%3D640%26fit%3Dbounds)