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Security
Malware Analysis
How do Antivirus know which program called which API from the kernel space?
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<blockquote data-quote="ted114" data-source="post: 814681" data-attributes="member: 75422"><p>Thank you for that answer.</p><p></p><p>I actually cant understand something else. So does AVs does it this way?</p><p></p><p>Program X => Static Analysis => Dynamic Analysis (Emulation, something like AVASTs CyberCapture) => if malicious, stop, else execute on the real environment.</p><p></p><p>Is that how an AV operates? like, after the emulation, if not malicious, it executes it again on a separate procress that is not emulated anymore? (but ofcourse some functions is still hooked by the AVs to protect itself)</p><p></p><p>Or does the AV intercepts the real creation of creating the process (using the PsCreateProcessNotifyRoutine) and just run the program under an emulated environment.</p><p></p><p>So basically my main question is, does a program go thru an emulator (for dynamic analysis) and executed again to the real-unemulated environment? or does it run inside an emulator (emulated-environment) all the time (and not executed again) ?</p><p></p><p>thank you for your time.</p></blockquote><p></p>
[QUOTE="ted114, post: 814681, member: 75422"] Thank you for that answer. I actually cant understand something else. So does AVs does it this way? Program X => Static Analysis => Dynamic Analysis (Emulation, something like AVASTs CyberCapture) => if malicious, stop, else execute on the real environment. Is that how an AV operates? like, after the emulation, if not malicious, it executes it again on a separate procress that is not emulated anymore? (but ofcourse some functions is still hooked by the AVs to protect itself) Or does the AV intercepts the real creation of creating the process (using the PsCreateProcessNotifyRoutine) and just run the program under an emulated environment. So basically my main question is, does a program go thru an emulator (for dynamic analysis) and executed again to the real-unemulated environment? or does it run inside an emulator (emulated-environment) all the time (and not executed again) ? thank you for your time. [/QUOTE]
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