Process Injection Techniques

Overview: When it comes to process injection in Windows, there are only 6-7 fundamental techniques, right? Wrong. In this talk, we provide the most comprehensive to-date “Windows process injection” collection of techniques. We focus on Windows 10 x64, and on injections from running 64-bit medium integrity process to another running 64-bit medium integrity process, without privilege elevation. We pay special attention to the new Windows protection technologies, e.g. CFG and CIG. We differentiate between me

Key Topics: mory write primitives and execution techniques, and discuss memory allocation strategies. Our collection is curated, analyzed, tabulated, with straight-forward, research-grade PoCs. We tested each technique against Windows 10 x64 with and without protections, and we report on the requirements, limitations, and quirks of each technique. And of course – no decent DEF CON presentation is complete without new attacks. We describe a new memory writing primitive which is CFG-agnostic. We describe a new “stack bombing” execution method (based on the memory write primitive above) that is inherently safe (even though overwriting the stack is a-priori

Takeaways: release a library of all write primitives and execution methods, so users can generate “tailor-made” process injections.