Linux-Shellcodes-x86/MovingData.nasm at master · ojardila/Linux-Shellcodes-x86 · GitHub

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global _start

section .text
_start:
  ; Mov inmediate data to register
  mov eax, 0xaaaaaaaa
  mov al, 0xbb
  mov ah, 0xcc
  mov ax, 0xdddd

  mov ebx, 0
  mov ecx, 0

  ; Mov Register to Register
  mov ebx, eax
  mov cl, al
  mov ch, ah
  mov cx, ax


  mov eax,0
  mov ebx,0
  mov ecx,0

  ;Mov from memory into register
  mov al, [sample]
  mov ah, [sample+1]
  mov bx, [sample]
  mov ecx, [sample]

  ;Mov from register into memory

  mov eax, 0x33445566
  mov byte [sample], al
  mov word [sample], ax
  mov dword [sample], eax

  ;mov inmediate value into memory

  mov dword [sample], 0x33445566

  ;lea demo
  lea eax, [sample]
  lea ebx, [eax]

  ;xchg demo
  mov eax, 0x11223344
  mov ebx, 0xaabbccdd

  xchg eax, ebx

  ; exit the program gracefully

  mov eax, 1
  mov ebx, 0
  int 0x80

section .data
sample: db 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0x11, 0x22