1. A system comprising: at least one device processor; and a computer readable storage medium storing instructions for execution by the at least one processor, the instructions causing the at least one processor to: obtain a test object that includes dynamic executable code; transform at least a portion of the test object into a transformed format test object that is configured to execute in a hosted isolated computing environment; initiate directed execution of the transformed format test object, in the hosted isolated computing environment; and detect dynamic code vulnerabilities of the test object, based on the directed execution.