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Two part question: 1-How do memory resident viruses stay in memory after the program which loaded them is finalized? If all memory is automatically deallocated by the OS once a program is finished, how could then the malicious code survive? Here, you seem to imply that the virus is injected into the memory of some user-mode process that was created and ...


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As a general rule, there's no need for something to stop malware from executing. Malware, like any other software, doesn't execute itself - something needs to start executing it. Browsers don't automatically execute most kinds of software they download from the Internet - that would be an insanely insecure thing to do - but they do offer the ability to run ...


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Is it the various protocols like HTML and so on that don't support these security-related actions? Since it is at the end the browser which downloads the content and interprets the content (including the HTML), it is also the browser which decides what the content is allowed to do. On top of this modern browsers have a robust security architecture with ...


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