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Windows Components Object Model
Windows Components Object Model is an old however widely used technology on Windows Systems. Its Attack surface is vast and can be utilized for various goals which I hope to cover in future articles.
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
Windows programs can elevate privileges or execute some elevated Component Object Model objects without prompting the user through the UAC notification box. An example of this is use of Rundll32 to load a specifically crafted DLL which loads an auto-elevated Component Object Model object and performs a file operation in a protected directory which would typically require elevated access.
Adversaries may use various COM objects to achieve their goals, some of their goals can be, Arbitrary code execution, Creating Schedules Tasks, Modification of Registry or Files, etc.