In this post I am going to take the WNF code injection method described in https://modexp.wordpress.com/2019/06/15/4083/, and generalize it to execute remote code that was injected into any process.
by Emeric Nasi
Prerequisites: This document requires some knowledge about Windows system programming. Also, it is mandatory to be familiar with concepts presented in Code injection series part 1.
License : Copyright Emeric Nasi (@EmericNasi), some rights reserved
This work is licensed under a Creative Commons Attribution 4.0 International License.
Since Alex Ionescu and Gabrielle Viala Blackhat2018 talk on Windows Notification Facility (https://www.youtube.com/watch?v=MybmgE95weo) there has been several posts on this topic.
Modexp wrote a nice proof of concept of executing remote code via WNF callback in explorer.exe (https://modexp.wordpress.com/2019/06/15/4083/).
In this paper, I am taking this WNF code injection POC and generalize it so that is works with any process.
If you wish to read more about this, the document can be downloaded in a PDF format