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Malware Analysis
How do Antivirus know which program called which API from the kernel space?
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<blockquote data-quote="Andy Ful" data-source="post: 814799" data-attributes="member: 32260"><p>You do not need the kernel modules that placed hooks on these APIs, to find out which specific user mode process called a specific API. You can simply use a combination of hooks from my previous post. The API function <em>OpenProcess</em> will give you the open handles of the processes. Next, you can take advantage of other hooked APIs to get additional information if any process is suspicious. Furthermore, If you stopped the execution flow of the process, then you can use your own modules to analyze the code (already executed and not-yet-executed) and changes made in the system.</p></blockquote><p></p>
[QUOTE="Andy Ful, post: 814799, member: 32260"] You do not need the kernel modules that placed hooks on these APIs, to find out which specific user mode process called a specific API. You can simply use a combination of hooks from my previous post. The API function [I]OpenProcess[/I] will give you the open handles of the processes. Next, you can take advantage of other hooked APIs to get additional information if any process is suspicious. Furthermore, If you stopped the execution flow of the process, then you can use your own modules to analyze the code (already executed and not-yet-executed) and changes made in the system. [/QUOTE]
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