■ 사용자 계정 로그온 권한을 조사하는 방법을 보여준다.
▶ Program.cs
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using System; using System.Collections.Generic; namespace TestProject { /// <summary> /// 프로그램 /// </summary> class Program { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 프로그램 시작하기 - Main() /// <summary> /// 프로그램 시작하기 /// </summary> private static void Main() { Console.Title = "사용자 계정 로그온 권한 조사하기"; string accountName = "hostname\\username"; // 적절한 계정명을 설정한다. IList<string> rightList = LocalSecurityAuthorityHelper.GetRightList(accountName); if(rightList.Contains(LocalSecurityAuthorityRight.LogonAsService)) { Console.WriteLine($"{accountName} 계정은 서비스 로그온 권한을 갖고 있습니다."); } else { Console.WriteLine($"{accountName} 계정은 서비스 로그온 권한을 갖고 있지 않습니다."); } } #endregion } } |
▶ LocalSecurityAuthorityController.cs
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using System; using System.Collections.Generic; using System.ComponentModel; using System.Runtime.InteropServices; using System.Text; namespace TestProject { /// <summary> /// 로컬 보안 권한 컨트롤러 /// </summary> public class LocalSecurityAuthorityController { //////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration ////////////////////////////////////////////////////////////////////////////////////////// Private #region LSA 접근 정책 - LSA_AccessPolicy /// <summary> /// LSA 접근 정책 /// </summary> [Flags] private enum LSA_AccessPolicy : long { /// <summary> /// POLICY_VIEW_LOCAL_INFORMATION /// </summary> POLICY_VIEW_LOCAL_INFORMATION = 0x00000001L, /// <summary> /// POLICY_VIEW_AUDIT_INFORMATION /// </summary> POLICY_VIEW_AUDIT_INFORMATION = 0x00000002L, /// <summary> /// POLICY_GET_PRIVATE_INFORMATION /// </summary> POLICY_GET_PRIVATE_INFORMATION = 0x00000004L, /// <summary> /// POLICY_TRUST_ADMIN /// </summary> POLICY_TRUST_ADMIN = 0x00000008L, /// <summary> /// POLICY_CREATE_ACCOUNT /// </summary> POLICY_CREATE_ACCOUNT = 0x00000010L, /// <summary> /// POLICY_CREATE_SECRET /// </summary> POLICY_CREATE_SECRET = 0x00000020L, /// <summary> /// POLICY_CREATE_PRIVILEGE /// </summary> POLICY_CREATE_PRIVILEGE = 0x00000040L, /// <summary> /// POLICY_SET_DEFAULT_QUOTA_LIMITS /// </summary> POLICY_SET_DEFAULT_QUOTA_LIMITS = 0x00000080L, /// <summary> /// POLICY_SET_AUDIT_REQUIREMENTS /// </summary> POLICY_SET_AUDIT_REQUIREMENTS = 0x00000100L, /// <summary> /// POLICY_AUDIT_LOG_ADMIN /// </summary> POLICY_AUDIT_LOG_ADMIN = 0x00000200L, /// <summary> /// POLICY_SERVER_ADMIN /// </summary> POLICY_SERVER_ADMIN = 0x00000400L, /// <summary> /// POLICY_LOOKUP_NAMES /// </summary> POLICY_LOOKUP_NAMES = 0x00000800L, /// <summary> /// POLICY_NOTIFICATION /// </summary> POLICY_NOTIFICATION = 0x00001000L } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Structure ////////////////////////////////////////////////////////////////////////////////////////// Private #region LSA 유니코드 문자열 - LSA_UNICODE_STRING /// <summary> /// LSA 유니코드 문자열 /// </summary> [StructLayout(LayoutKind.Sequential)] private struct LSA_UNICODE_STRING { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 길이 /// </summary> public ushort Length; /// <summary> /// 최대 길이 /// </summary> public ushort MaximumLength; /// <summary> /// 버퍼 핸들 /// </summary> public IntPtr Buffer; #endregion } #endregion #region LSA 객체 어트리뷰트 - LSA_OBJECT_ATTRIBUTES /// <summary> /// LSA 객체 어트리뷰트 /// </summary> [StructLayout(LayoutKind.Sequential)] private struct LSA_OBJECT_ATTRIBUTES { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Field #region Field /// <summary> /// 길이 /// </summary> public int Length; /// <summary> /// 루트 디렉토리 /// </summary> public IntPtr RootDirectory; /// <summary> /// 객체명 /// </summary> public LSA_UNICODE_STRING ObjectName; /// <summary> /// 어트리뷰트 /// </summary> public uint Attributes; /// <summary> /// 보안 설명자 /// </summary> public IntPtr SecurityDescriptor; /// <summary> /// 서비스 보안 품질 /// </summary> public IntPtr SecurityQualityOfService; #endregion } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Import ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region LSA 정책 열기 - LsaOpenPolicy(systemName, objectAttributes, desiredAccess, policyHandle) /// <summary> /// LSA 정책 열기 /// </summary> /// <param name="systemName">시스템명</param> /// <param name="objectAttributes">객체 어트리뷰트</param> /// <param name="desiredAccess">희망 액세스</param> /// <param name="policyHandle">정책 핸들</param> /// <returns>처리 결과</returns> [DllImport("advapi32.dll", PreserveSig = true)] private static extern uint LsaOpenPolicy(ref LSA_UNICODE_STRING systemName, ref LSA_OBJECT_ATTRIBUTES objectAttributes, Int32 desiredAccess, out IntPtr policyHandle); #endregion #region LSA 계정 권리 추가하기 - LsaAddAccountRights(policyHandle, accountSID, userRightArray, rightCount) /// <summary> /// LSA 계정 권리 추가하기 /// </summary> /// <param name="policyHandle">정책 핸들</param> /// <param name="accountSID">계정 SID</param> /// <param name="userRightArray">사용자 권리 배열</param> /// <param name="rightCount">권리 수</param> /// <returns>처리 결과</returns> [DllImport("advapi32.dll", SetLastError = true, PreserveSig = true)] private static extern uint LsaAddAccountRights(IntPtr policyHandle, IntPtr accountSID, LSA_UNICODE_STRING[] userRightArray, int rightCount); #endregion #region SID 해제하기 - FreeSid(sidHandle) /// <summary> /// SID 해제하기 /// </summary> /// <param name="sidHandle">SID 핸들</param> [DllImport("advapi32")] private static extern void FreeSid(IntPtr sidHandle); #endregion #region 계정명 찾기 - LookupAccountName(systemName, accountName, sidHandle, sidSize, domainName, domainLength, use) /// <summary> /// 계정명 찾기 /// </summary> /// <param name="systemName">시스템명</param> /// <param name="accountName">계정명</param> /// <param name="sidHandle">SID 핸들</param> /// <param name="sidSize">SID 크기</param> /// <param name="domainName">도메인명</param> /// <param name="domainLength">도메인 길이</param> /// <param name="use">사용</param> /// <returns>처리 결과</returns> [DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true, PreserveSig = true)] private static extern bool LookupAccountName(string systemName, string accountName, IntPtr sidHandle, ref int sidSize, StringBuilder domainName, ref int domainLength, ref int use); #endregion #region SID 무결성 여부 구하기 - IsValidSid(sidHandle) /// <summary> /// SID 무결성 여부 구하기 /// </summary> /// <param name="sidHandle">SID 핸들</param> /// <returns>SID 무결성 여부</returns> [DllImport("advapi32.dll")] private static extern bool IsValidSid(IntPtr sidHandle); #endregion #region LSA 닫기 - LsaClose(objectHandle) /// <summary> /// LSA 닫기 /// </summary> /// <param name="objectHandle">객체 핸들</param> /// <returns>처리 결과</returns> [DllImport("advapi32.dll")] private static extern int LsaClose(IntPtr objectHandle); #endregion #region 마지막 에러 구하기 - GetLastError() /// <summary> /// 마지막 에러 구하기 /// </summary> /// <returns>에러 코드</returns> [DllImport("kernel32.dll")] private static extern int GetLastError(); #endregion #region LSA NT 상태에서 윈도우즈 에러 코드 구하기 - LsaNtStatusToWinError(status) /// <summary> /// LSA NT 상태에서 윈도우즈 에러 코드 구하기 /// </summary> /// <param name="status">상태</param> /// <returns>윈도우즈 에러 코드</returns> [DllImport("advapi32.dll")] private static extern int LsaNtStatusToWinError(uint status); #endregion #region LSA 계정 권리 열거하기 - LsaEnumerateAccountRights(policyHandle, accountSID, userRightHandle, rightCount) /// <summary> /// LSA 계정 권리 열거하기 /// </summary> /// <param name="policyHandle">정책 핸들</param> /// <param name="accountSID">계정 SID</param> /// <param name="userRightHandle">사용자 권리 핸들</param> /// <param name="rightCount">권리 수</param> /// <returns>처리 결과</returns> [DllImport("advapi32.dll", SetLastError = true, PreserveSig = true)] private static extern uint LsaEnumerateAccountRights(IntPtr policyHandle, IntPtr accountSID, out IntPtr userRightHandle, out int rightCount); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 액세스 /// </summary> private const int Access = (int) ( LSA_AccessPolicy.POLICY_AUDIT_LOG_ADMIN | LSA_AccessPolicy.POLICY_CREATE_ACCOUNT | LSA_AccessPolicy.POLICY_CREATE_PRIVILEGE | LSA_AccessPolicy.POLICY_CREATE_SECRET | LSA_AccessPolicy.POLICY_GET_PRIVATE_INFORMATION | LSA_AccessPolicy.POLICY_LOOKUP_NAMES | LSA_AccessPolicy.POLICY_NOTIFICATION | LSA_AccessPolicy.POLICY_SERVER_ADMIN | LSA_AccessPolicy.POLICY_SET_AUDIT_REQUIREMENTS | LSA_AccessPolicy.POLICY_SET_DEFAULT_QUOTA_LIMITS | LSA_AccessPolicy.POLICY_TRUST_ADMIN | LSA_AccessPolicy.POLICY_VIEW_AUDIT_INFORMATION | LSA_AccessPolicy.POLICY_VIEW_LOCAL_INFORMATION ); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Public #region 권리 리스트 구하기 - GetRightList(accountName) /// <summary> /// 권리 리스트 구하기 /// </summary> /// <param name="accountName">계정명</param> /// <returns>권리 리스트</returns> public IList<string> GetRightList(string accountName) { IList<string> rightList = new List<string>(); long errorCode = 0; string errorMessage = string.Empty; IntPtr sidHandle = IntPtr.Zero; int sidHandleSize = 0; StringBuilder domainNameStringBuilder = new StringBuilder(); int domainNameSize = 0; int accountType = 0; LookupAccountName(string.Empty, accountName, sidHandle, ref sidHandleSize, domainNameStringBuilder, ref domainNameSize, ref accountType); domainNameStringBuilder = new StringBuilder(domainNameSize); sidHandle = Marshal.AllocHGlobal(sidHandleSize); if(!LookupAccountName(string.Empty, accountName, sidHandle, ref sidHandleSize, domainNameStringBuilder, ref domainNameSize, ref accountType)) { errorCode = GetLastError(); errorMessage = ("LookupAccountName failed : " + errorCode); throw new Win32Exception((int)errorCode, errorMessage); } else { LSA_UNICODE_STRING systemName = new LSA_UNICODE_STRING(); IntPtr policyHandle = IntPtr.Zero; IntPtr userRightHandle = IntPtr.Zero; int rightCount = 0; LSA_OBJECT_ATTRIBUTES objectAttributes = CreateLSAObject(); uint policyStatus = LsaOpenPolicy(ref systemName, ref objectAttributes, Access, out policyHandle); errorCode = LsaNtStatusToWinError(policyStatus); if(errorCode != 0) { errorMessage = string.Format("OpenPolicy failed : {0}.", errorCode); throw new Win32Exception((int)errorCode, errorMessage); } else { try { uint result = LsaEnumerateAccountRights(policyHandle, sidHandle, out userRightHandle, out rightCount); errorCode = LsaNtStatusToWinError(result); if(errorCode != 0) { if(errorCode == 2) { return new List<string>(); } errorMessage = string.Format("LsaEnumerateAccountRights failed : {0}", errorCode); throw new Win32Exception((int)errorCode, errorMessage); } long userRightHandleValue = userRightHandle.ToInt64(); LSA_UNICODE_STRING userRight; for(int i = 0; i < rightCount; i++) { userRight = (LSA_UNICODE_STRING)Marshal.PtrToStructure(new IntPtr(userRightHandleValue), typeof(LSA_UNICODE_STRING)); string userRightString = Marshal.PtrToStringAuto(userRight.Buffer); rightList.Add(userRightString); userRightHandleValue += Marshal.SizeOf(userRight); } } finally { LsaClose(policyHandle); } } FreeSid(sidHandle); } return rightList; } #endregion #region 권리 설정하기 - SetRight(accountName, privilegeName) /// <summary> /// 권리 설정하기 /// </summary> /// <param name="accountName">계정명</param> /// <param name="privilegeName">특권명</param> public void SetRight(string accountName, string privilegeName) { long errorCode = 0; string errorMessage = string.Empty; IntPtr sidHandle = IntPtr.Zero; int sidHandleSize = 0; StringBuilder domainNameStringBuilder = new StringBuilder(); int domainNameSize = 0; int accountType = 0; LookupAccountName(String.Empty, accountName, sidHandle, ref sidHandleSize, domainNameStringBuilder, ref domainNameSize, ref accountType); domainNameStringBuilder = new StringBuilder(domainNameSize); sidHandle = Marshal.AllocHGlobal(sidHandleSize); if(!LookupAccountName(string.Empty, accountName, sidHandle, ref sidHandleSize, domainNameStringBuilder, ref domainNameSize, ref accountType)) { errorCode = GetLastError(); errorMessage = string.Format("LookupAccountName failed : {0}", errorCode); throw new Win32Exception((int)errorCode, errorMessage); } else { LSA_UNICODE_STRING systemName = new LSA_UNICODE_STRING(); IntPtr policyHandle = IntPtr.Zero; LSA_OBJECT_ATTRIBUTES objectAttributes = CreateLSAObject(); uint resultPolicy = LsaOpenPolicy(ref systemName, ref objectAttributes, Access, out policyHandle); errorCode = LsaNtStatusToWinError(resultPolicy); if(errorCode != 0) { errorMessage = string.Format("OpenPolicy failed : {0} ", errorCode); throw new Win32Exception((int)errorCode, errorMessage); } else { try { LSA_UNICODE_STRING[] userRightArray = new LSA_UNICODE_STRING[1]; userRightArray[0] = new LSA_UNICODE_STRING(); userRightArray[0].Buffer = Marshal.StringToHGlobalUni(privilegeName); userRightArray[0].Length = (ushort)(privilegeName.Length * UnicodeEncoding.CharSize); userRightArray[0].MaximumLength = (ushort)((privilegeName.Length + 1) * UnicodeEncoding.CharSize); uint result = LsaAddAccountRights(policyHandle, sidHandle, userRightArray, 1); errorCode = LsaNtStatusToWinError(result); if(errorCode != 0) { errorMessage = string.Format("LsaAddAccountRights failed : {0}", errorCode); throw new Win32Exception((int)errorCode, errorMessage); } } finally { LsaClose(policyHandle); } } FreeSid(sidHandle); } } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region LSA 객체 생성하기 - CreateLSAObject() /// <summary> /// LSA 객체 생성하기 /// </summary> /// <returns>LSA 객체 어트리뷰트</returns> private static LSA_OBJECT_ATTRIBUTES CreateLSAObject() { LSA_OBJECT_ATTRIBUTES newInstance = new LSA_OBJECT_ATTRIBUTES(); newInstance.Length = 0; newInstance.RootDirectory = IntPtr.Zero; newInstance.Attributes = 0; newInstance.SecurityDescriptor = IntPtr.Zero; newInstance.SecurityQualityOfService = IntPtr.Zero; return newInstance; } #endregion } } |
▶ LocalSecurityAuthorityRight.cs
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namespace TestProject { /// <summary> /// 로컬 보안 권한 권리 /// </summary> public class LocalSecurityAuthorityRight { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 서비스 로그온 /// </summary> public const string LogonAsService = "SeServiceLogonRight"; /// <summary> /// 배치 작업 로그온 /// </summary> public const string LogonAsBatchJob = "SeBatchLogonRight"; /// <summary> /// 대화형 로그온 /// </summary> public const string InteractiveLogon = "SeInteractiveLogonRight"; /// <summary> /// 네트워크 로그온 /// </summary> public const string NetworkLogon = "SeNetworkLogonRight"; /// <summary> /// 보안 감사 생성 /// </summary> public const string GenerateSecurityAudits = "SeAuditPrivilege"; #endregion } } |
▶ LocalSecurityAuthorityHelper.cs
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using System.Collections.Generic; namespace TestProject { /// <summary> /// 로컬 보안 권한 헬퍼 /// </summary> public static class LocalSecurityAuthorityHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 권리 리스트 구하기 - GetRightList(accountName) /// <summary> /// 권리 리스트 구하기 /// </summary> /// <param name="accountName">계정명</param> /// <returns>권리 리스트</returns> public static IList<string> GetRightList(string accountName) { return new LocalSecurityAuthorityController().GetRightList(accountName); } #endregion #region 권리 설정하기 - SetRight(accountName, privilegeName) /// <summary> /// 권리 설정하기 /// </summary> /// <param name="accountName">계정명</param> /// <param name="privilegeName">특권명</param> public static void SetRight(string accountName, string privilegeName) { new LocalSecurityAuthorityController().SetRight(accountName, privilegeName); } #endregion } } |
※ 관리자 권한으로 실행한다.
