Question

What is the purpose of incrementing ESP by the specified number of bytes after popping the instruction pointer in assembly language?

a.

To restore EBP back to its original position as it was before the current function was called and before any parameters were pushed onto the stack

b.

To restore ESP back to its original position as it was before the current function was called and before any parameters were pushed onto the stack

c.

To push the instruction pointer onto the stack

d.

To call a function

Posted under Reverse Engineering

Answer: (b).To restore ESP back to its original position as it was before the current function was called and before any parameters were pushed onto the stack Explanation:RET can be instructed to increment ESP by the specified number of bytes after popping the instruction pointer. This is needed for restoring ESP back to its original position as it was before the current function was called and before any parameters were pushed onto the stack.

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