ConsoleWindowClass

Created the Monday 05 October 2020. Updated 6 months, 2 weeks ago.

One method that has been used to achieve process injection is by manipulating the User Data of a window object.

The User Data of a window is a small amount of memory that is usually used to store a pointer to a class object. This memory can be set using the SetWindowLongPtr API and the GWLP_USERDATA parameter. In the case of the Console Window Host (conhost) process, the User Data of a window is used to store the address of a data structure that contains information about the window's position, dimensions, and object handle, as well as a class object with methods to control the behavior of the console window.

By manipulating the User Data of a window object, it may be possible to execute arbitrary code in the context of the process associated with that window.



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