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           __   __               ___     _____    
    ___    \ \\/ //   ____      / _ \\  |  __ \\  
   /   ||   \ ` //   |    \\   | / \ || | |  \ || 
  | [] ||    | ||    | [] ||   | \_/ || | |__/ || 
   \__ ||    |_||    |  __//    \___//  |_____//  
    -|_||    `-`'    |_|`-`     `---`    -----`   
     `-`             `-`

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發送短信 : To detect stack buffer overflow with polymorphic canaries