Question

What does IsDebuggerPresent API access to determine whether a user-mode debugger is attached?

a.

Current process’s Process Environment Block ( PEB )

b.

Current process’s Thread Environment Block ( TEB )

c.

Current process’s Virtual Memory Block ( VMB )

d.

Current process’s System Environment Block ( SEB )

Posted under Reverse Engineering

Answer: (a).Current process’s Process Environment Block ( PEB ) Explanation:IsDebuggerPresent API accesses the current process’s Process Environment Block (PEB) to determine whether a user-mode debugger is attached.

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