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NOP instructions are inserted in the buffer overflow exploit code so that it can bypass the IDS.
True
False
In fact, the IDS specially looks for NOP to alert the administrator; hence, the hacker replaces the NOP with random code. Edit: can obfuscated NOP be placed in the code? Also, what you're talking about looks like a WAF to me rather than an IDS. The attack is for buffer overflow which should be guarded by input validation rather than an IDS in my POV.
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