【转】修改内存地址内容，可以修改游戏金币值

实现修改内存内容核心代码： 

C++代码

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//进程列表信息  void CMemRepairDlg::InitProcessList()  {      PROCESSENTRY32 pe32;      ZeroMemory(&pe32, 0);      pe32.dwSize = sizeof(PROCESSENTRY32);      //对系统进程进行拍照      HANDLE handle = ::CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);      if ( INVALID_HANDLE_VALUE == handle  )      {          MessageBox("调用CreateToolhelp32Snapshot函数失败!");          return;      }              BOOL bRect = ::Process32First(handle, &pe32);          if ( m_map.size() > 0)          m_map.clear();//清除      CString cs;          while( bRect )      {          ((CComboBox*)GetDlgItem(IDC_PROCESSLIST_COBOX))->AddString(pe32.szExeFile);          m_map.insert(std::pair<DWORD, CString>(pe32.th32ProcessID, pe32.szExeFile));                      bRect = ::Process32Next(handle, &pe32);      }      ((CComboBox*)GetDlgItem(IDC_PROCESSLIST_COBOX))->SetCurSel(3);          //GetModuleFileNameEX::检索当前进程路径      UpdateData(FALSE);      CloseHandle(handle);  }      //获取当前进程句柄  void CMemRepairDlg::GetCurrentProcessHandle()  {      int nIndex = ((CComboBox*)GetDlgItem(IDC_PROCESSLIST_COBOX))->GetCurSel();      CString processStr = "";      ((CComboBox*)GetDlgItem(IDC_PROCESSLIST_COBOX))->GetLBText(nIndex, processStr);              DWORD processId = 0;          if ( m_map.size() > 0 )      {          std::map<DWORD, CString>::iterator iterator;          for( iterator=m_map.begin();iterator != m_map.end();++iterator )          {              if ( !processStr.Compare(iterator->second) )              {                  processId = iterator->first;                  break;              }          }      }      if ( processId == 0 ) return;      m_handle = ::OpenProcess(PROCESS_ALL_ACCESS, FALSE, processId);          if ( m_handle == NULL )      {          CString errorInfo;          errorInfo.Format("error code:%d 调用函数失败!", GetLastError);          MessageBox(errorInfo);          return;      }          }  //读取一页内存  void CMemRepairDlg::ReadOnePageMem(DWORD baseptr, const char* pStr)  {      BYTE byte[4096] = {0};      //lpBaseptr：起始地址      BOOL bRect = ::ReadProcessMemory(m_handle, (LPCVOID)baseptr, byte, 4096, NULL);          LPDWORD ptr = NULL;      if ( bRect )      {          for( int i = 0;i < 4*1024-3;++i )          {              ptr = (DWORD*)&byte[i];              if ( *ptr == atoi(pStr) )              {                  m_vector.push_back(baseptr+i);              }          }      }          }      //获取操作系统用于存储数据的地址  void CMemRepairDlg::GetBasePtr(const char* pStr)  {      OSVERSIONINFO osInfo;      ZeroMemory(&osInfo, sizeof(OSVERSIONINFO));      osInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);      ::GetVersionEx(&osInfo);      DWORD baseAddr = 0;      if ( osInfo.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS )//98      {          baseAddr = 4*1024*1024;//98系统是采用的是4M      }      else      {          baseAddr = 64*1024;      }          if ( m_vector.size() > 0)          m_vector.clear();      //在开始地址到2G内存空间进行查找      for( ;baseAddr < 2*1024*1024*1024;baseAddr+=4*1024 )      {          ReadOnePageMem(baseAddr, pStr);      }  }      //通过输入值找到当前进程中内存地址  void CMemRepairDlg::OnSearchBtn()   {      // TODO: Add your control notification handler code here      GetCurrentProcessHandle();      ((CEdit*)GetDlgItem(IDC_VALUE_EDIT))->GetWindowText(m_value);      GetBasePtr(m_value.GetBuffer(m_value.GetLength()));      OperatorListBox();      }      //地址列表控件操作  void CMemRepairDlg::OperatorListBox()  {      CListBox* listBox = (CListBox*)GetDlgItem(IDC_PROCESS_LIST);      std::vector<DWORD>::iterator itrator;              listBox->ResetContent();      CString str;      for( itrator = m_vector.begin();itrator != m_vector.end();++itrator )      {          str.Format("%p", *itrator);          listBox->AddString(str);      }          UpdateData(FALSE);  }      void CMemRepairDlg::OnSelchangeProcessList()   {      // TODO: Add your control notification handler code here      CListBox* listBox = (CListBox*)GetDlgItem(IDC_PROCESS_LIST);      int nIndex = ((CListBox*)GetDlgItem(IDC_PROCESS_LIST))->GetCurSel();      CString strItem;      listBox->GetText(nIndex, strItem);      ((CEdit*)GetDlgItem(IDC_ADDR_EDIT))->SetWindowText(strItem);      UpdateData(FALSE);  }      //从指定的内存范围内进行搜索  void CMemRepairDlg::OnStartBtn()   {      // TODO: Add your control notification handler code here      int nSize = m_vector.size();          DWORD dwValue;      if ( m_nextVector.size() > 0 )          m_nextVector.clear();      std::vector<DWORD>::iterator iterator;      for( iterator = m_vector.begin(); iterator != m_vector.end();++iterator )      {          BOOL bRect = ::ReadProcessMemory(m_handle, (LPCVOID)*iterator, &dwValue, sizeof(DWORD), NULL);          if (bRect)          {              if ( dwValue == atoi(m_value.GetBuffer(m_value.GetLength())) )//内存的内容与输入的值相等              {                  m_nextVector.push_back(*iterator);              }          }      }          m_vector.clear();      m_vector = m_nextVector;          OperatorListBox();      }      //修改内存内容  void CMemRepairDlg::OnModifyBtn()   {      // TODO: Add your control notification handler code here      CString addrStr = "";      CString modifyStr = "";          ((CEdit*)GetDlgItem(IDC_ADDR_EDIT))->GetWindowText(addrStr);//需要修改的地址      ((CEdit*)GetDlgItem(IDC_MODIFY_EDIT))->GetWindowText(modifyStr);          MessageBox(addrStr);              DWORD dwValue = atoi(modifyStr.GetBuffer(modifyStr.GetLength()));      DWORD addr = HexToNum(addrStr);;              BOOL bRect = ::WriteProcessMemory(m_handle,(LPVOID)addr, &dwValue, sizeof(DWORD), NULL);      if ( bRect )          MessageBox("修改成功!");      else      {          int nCode = GetLastError();          CString errorInfo;          errorInfo.Format("%d   错语码：%d", addr, nCode);          MessageBox(errorInfo);      }  }      //十六进制转化为十进制  DWORD CMemRepairDlg::HexToNum(CString str)  {      int nSum = 0;      int nLength = str.GetLength();      int i = 0;      int nTemp = 0;              do       {          TCHAR cChar = str.GetAt(--nLength);          switch(cChar)          {              case 'A':              case 'a':                  nTemp = 10;                  break;              case 'B':              case 'b':                  nTemp = 11;                  break;              case 'C':              case 'c':                  nTemp = 12;                  break;              case 'D':              case 'd':                  nTemp = 13;                  break;              case 'E':              case 'e':                  nTemp = 14;                  break;              case 'F':              case 'f':                  nTemp = 15;                  break;              default:                  nTemp = cChar - 48;                  break;              }          nSum += nTemp*pow(16, i);              ++i;      } while (nLength  > 0);          return nSum;  }