木马/后门程序在WINNT中进程隐藏及查找的方法

时间:2012-07-02来源:网络

 // 计算目前有多少进程, aProcesses[]用来存放有效的进程PIDs

  if ( !EnumProcesses( aProcesses, sizeof(aProcesses), cbNeeded ) ) return 0;

  cProcesses = cbNeeded / sizeof(DWORD);

  // 按有效的PID遍历所有的进程

  for ( i = 0; i cProcesses; i++ )

  {

  // 打开特定PID的进程

  hProcess = OpenProcess( PROCESS_QUERY_INFORMATION |

  PROCESS_VM_READ,

  FALSE, aProcesses[i]);

  // 取得特定PID的进程名

  if ( hProcess )

  {

  if ( EnumProcessModules( hProcess, hMod, sizeof(hMod), cbNeeded) )

  {

  GetModuleBaseName( hProcess, hMod,

  szProcessName, sizeof(szProcessName) );

  //将取得的进程名与输入的进程名比较,如相同则返回进程PID

  if(!_stricmp(szProcessName, InputProcessName)){

  CloseHandle( hProcess );

  return aProcesses[i];

  }

  }

  }//end of if ( hProcess )

  }//end of for

  //没有找到相应的进程名,返回0

  CloseHandle( hProcess );

  return 0;

  }//end of ProcessToPID

  //错误处理函数CheckError()

  //如果iReturnCode等于iErrorCode,则输出pErrorMsg并退出

  void CheckError(int iReturnCode, int iErrorCode, char *pErrorMsg)

  {

  if(iReturnCode==iErrorCode) {

  printf(%s Error:%dnn, pErrorMsg, GetLastError());

  //清场处理

  if (pszLibFileRemote != NULL)

  VirtualFreeEx(hRemoteProcess, pszLibFileRemote, 0, MEM_RELEASE);

  if (hRemoteThread != NULL) CloseHandle(hRemoteThread );

  if (hRemoteProcess!= NULL) CloseHandle(hRemoteProcess);

  exit(0);

  }

  }//end of CheckError()

  //使用方法说明函数usage()

  void usage(char * pErrorMsg)

  {

  printf(%snn,pErrorMsg);

  printf(ttRemote Process DLL by Shotgunn);

  printf(tThis program can inject a DLL into remote processn);

  printf(Email:n);

  printf(tShotgun@Xici.Netn);

  printf(HomePage:n);

  printf(thttp://It.Xici.Netn);

  printf(thttp://www.Patching.Netn);

  printf(USAGE:n);

  printf(tRmtDLL.exe PID[|ProcessName] DLLFullPathNamen);

  printf(Example:n);

  printf(tRmtDLL.exe 1024 C:WINNTSystem32MyDLL.dlln);

  printf(tRmtDLL.exe Explorer.exe C:MyDLL.dlln);

  exit(0);

  }//end of usage()

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关键词: 隐藏 查找 方法 进程 WINNT 后门 程序 木马

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