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Goal of the exercise Have a shell and print the contents of the flag file. Research And Reverse Engineering Test See if there are any protections: I see it with “checksec” command: Apparently the program has no protection. What the program uses: I see it with “ltrace” command: I want to know more about “puts” and “read”: Decompiled C code: main(): int __cdecl main(int argc, const char **argv, const char **envp) { setvbuf(stdin, 0, 2, 0); setvbuf(stdout, 0, 2, 0); puts( " _________.