一个运行后会自动销毁的程序

来源:互联网 发布:-127的源码 编辑:程序博客网 时间:2024/05/16 08:44

 对话框的,里面有个按钮叫self   delete,点击事件代码为:  
  void   CSelfDeleteDlg::OnBtnselfdelete()    
  {  
  //   TODO:   Add   your   control   notification   handler   code   here  
  typedef   int(WINAPI   *PFClose)(LPVOID);  
  OSVERSIONINFO   os_info;  
  os_info.dwOSVersionInfoSize   =sizeof(os_info);  
  LPVOID   pBuffer=NULL;  
  PFClose   pClose,pDelete;  
  char   fn[4096];  
  HINSTANCE   hins=GetModuleHandle(NULL);  
  GetModuleFileName(NULL,fn,4096);  
  if(!GetVersionEx(&os_info)) return;  
  switch(os_info.dwPlatformId   )  
  {  
  case   VER_PLATFORM_WIN32_NT:  
  __try  
  {  
  while(CloseHandle((HANDLE)4));  
  }  
  __except(1)  
  {}  
  CloseHandle((HANDLE)4);  
  pClose=PFClose(UnmapViewOfFile);  
  break;  
  case   VER_PLATFORM_WIN32_WINDOWS:  
  pClose=PFClose(FreeLibrary);  
  break;  
  default:  
  return;  
  }  
  pDelete=PFClose(DeleteFile);  
  pBuffer=VirtualAlloc(NULL,4096,MEM_COMMIT,PAGE_EXECUTE_READWRITE);  
  _asm  
  {  
  call   _delete_end  
  }  
  _asm  
  {  
  _test_close:  
  push   hins  
  call   [pClose]  
  or   eax,eax  
  jz   _test_close  
  lea   eax,fn  
  push   eax  
  call   [pDelete]  
  or   eax,eax  
  jz   _Exit_Process  
  call   eax  
  _Exit_Process:  
  push   0  
  push   MEM_RELEASE  
  push   0  
  push   pBuffer  
  push   ExitProcess  
  push   VirtualFree  
  ret  
  }  
  _delete_end:  
  _asm  
  {  
  pop   ebx  
  push   128  
  push   ebx  
  push   [pBuffer]  
  call   memcpy  
  jmp   pBuffer  
  }  
  return;  
   
  }   
    
    
   
里面的汇编功能逐步删除自身文件

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主要就是那段汇编,通过地址跳转和压栈,出栈来删除

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