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Can an anti-virus 'trivially' be designed by targeting and analyzing all syscalls in a binary?
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I say this assuming (perhaps incorrectly) that a syscall is the only way a program can damage the system outside it - I am ignoring corrupt results produced within the program itself.
I can perhaps foresee two problems:
- Hidden binaries the anti-virus never actually checks
- Variable inputs to the syscall which cannot be predicted
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