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Question

What is the advantage of the trap flag approach?

a.

It detects every debugger, user mode or kernel mode

b.

It detects only NuMega SoftICE

c.

It is difficult for reversers to detect and work around this scheme

d.

It boggles reversers who have never encountered it before

Posted under Reverse Engineering

Answer: (a).It detects every debugger, user mode or kernel mode Explanation:The advantage of the trap flag approach is that it can detect every debugger, whether in user mode or kernel mode, because all debuggers use the trap flag for tracing a program.

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