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C# MyPEImage.ReadMethodTableRowTo方法代码示例

本文整理汇总了C#中MyPEImage.ReadMethodTableRowTo方法的典型用法代码示例。如果您正苦于以下问题：C# MyPEImage.ReadMethodTableRowTo方法的具体用法？C# MyPEImage.ReadMethodTableRowTo怎么用？C# MyPEImage.ReadMethodTableRowTo使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MyPEImage的用法示例。


在下文中一共展示了MyPEImage.ReadMethodTableRowTo方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Decrypt

		public bool Decrypt(MyPEImage peImage, ref DumpedMethods dumpedMethods) {
			dumpedMethods = new DumpedMethods();

			bool decrypted = false;

			var methodDef = peImage.MetaData.TablesStream.MethodTable;
			for (uint rid = 1; rid <= methodDef.Rows; rid++) {
				var dm = new DumpedMethod();
				peImage.ReadMethodTableRowTo(dm, rid);

				if (dm.mdRVA == 0)
					continue;
				uint bodyOffset = peImage.RvaToOffset(dm.mdRVA);

				peImage.Reader.Position = bodyOffset;
				var mbHeader = MethodBodyParser.ParseMethodBody(peImage.Reader, out dm.code, out dm.extraSections);
				peImage.UpdateMethodHeaderInfo(dm, mbHeader);

				if (dm.code.Length < 6 || dm.code[0] != 0x2A || dm.code[1] != 0x2A)
					continue;

				int seed = BitConverter.ToInt32(dm.code, 2);
				Array.Copy(newCodeHeader, dm.code, newCodeHeader.Length);
				if (seed == 0)
					Decrypt(dm.code);
				else
					Decrypt(dm.code, seed);

				dumpedMethods.Add(dm);
				decrypted = true;
			}

			return decrypted;
		}
开发者ID:GodLesZ，项目名称:de4dot，代码行数:34，代码来源:MethodsDecrypter.cs

示例2: Decrypt


//.........这里部分代码省略.........
				PatchDwords(peImage, methodsDataReader, patchCount);
				bool oldCode = !IsNewer45Decryption(encryptedResource.Method);
				while (methodsDataReader.Position < methodsData.Length - 1) {
					uint rva = methodsDataReader.ReadUInt32();
					int size;
					if (oldCode) {
						methodsDataReader.ReadUInt32();	// token, unknown, or index
						size = methodsDataReader.ReadInt32();
					}
					else
						size = methodsDataReader.ReadInt32() * 4;

					var newData = methodsDataReader.ReadBytes(size);
					if (unpackedNativeFile)
						peImage.DotNetSafeWriteOffset(rva, newData);
					else
						peImage.DotNetSafeWrite(rva, newData);
				}
			}
			else {
				// DNR 4.0+ (jitter is hooked)

				var methodDef = peImage.MetaData.TablesStream.MethodTable;
				var rvaToIndex = new Dictionary<uint, int>((int)methodDef.Rows);
				uint offset = (uint)methodDef.StartOffset;
				for (int i = 0; i < methodDef.Rows; i++) {
					uint rva = peImage.OffsetReadUInt32(offset);
					offset += methodDef.RowSize;
					if (rva == 0)
						continue;

					if ((peImage.ReadByte(rva) & 3) == 2)
						rva++;
					else
						rva += (uint)(4 * (peImage.ReadByte(rva + 1) >> 4));
					rvaToIndex[rva] = i;
				}

				PatchDwords(peImage, methodsDataReader, patchCount);
				int count = methodsDataReader.ReadInt32();
				dumpedMethods = new DumpedMethods();
				while (methodsDataReader.Position < methodsData.Length - 1) {
					uint rva = methodsDataReader.ReadUInt32();
					uint index = methodsDataReader.ReadUInt32();
					bool isNativeCode = index >= 0x70000000;
					int size = methodsDataReader.ReadInt32();
					var methodData = methodsDataReader.ReadBytes(size);

					int methodIndex;
					if (!rvaToIndex.TryGetValue(rva, out methodIndex)) {
						Logger.w("Could not find method having code RVA {0:X8}", rva);
						continue;
					}

					uint methodToken = 0x06000001 + (uint)methodIndex;

					if (isNativeCode) {
						totalEncryptedNativeMethods++;
						if (tokenToNativeCode != null)
							tokenToNativeCode[methodToken] = methodData;

						// Convert return true / false methods. The others are converted to
						// throw 0xDEADCODE.
						if (DeobUtils.IsCode(nativeLdci4, methodData)) {
							uint val = BitConverter.ToUInt32(methodData, 4);
							// ldc.i4 XXXXXXXXh / ret
							methodData = new byte[] { 0x20, 0, 0, 0, 0, 0x2A };
							methodData[1] = (byte)val;
							methodData[2] = (byte)(val >> 8);
							methodData[3] = (byte)(val >> 16);
							methodData[4] = (byte)(val >> 24);
						}
						else if (DeobUtils.IsCode(nativeLdci4_0, methodData)) {
							// ldc.i4.0 / ret
							methodData = new byte[] { 0x16, 0x2A };
						}
						else {
							tokenToNativeMethod[methodToken] = methodData;

							// ldc.i4 0xDEADCODE / conv.u4 / throw
							methodData = new byte[] { 0x20, 0xDE, 0xC0, 0xAD, 0xDE, 0x6D, 0x7A };
						}
					}

					var dm = new DumpedMethod();
					peImage.ReadMethodTableRowTo(dm, MDToken.ToRID(methodToken));
					dm.code = methodData;

					var codeReader = peImage.Reader;
					codeReader.Position = peImage.RvaToOffset(dm.mdRVA);
					byte[] code;
					var mbHeader = MethodBodyParser.ParseMethodBody(codeReader, out code, out dm.extraSections);
					peImage.UpdateMethodHeaderInfo(dm, mbHeader);

					dumpedMethods.Add(dm);
				}
			}

			return true;
		}
开发者ID:RafaelRMachado，项目名称:de4dot，代码行数:101，代码来源:MethodsDecrypter.cs

示例3: CreateDumpedMethods

		DumpedMethods CreateDumpedMethods(MyPEImage peImage, byte[] fileData, byte[] methodsData) {
			var dumpedMethods = new DumpedMethods();

			var methodsDataReader = MemoryImageStream.Create(methodsData);
			var fileDataReader = MemoryImageStream.Create(fileData);

			var methodDef = peImage.MetaData.TablesStream.MethodTable;
			for (uint rid = 1; rid <= methodDef.Rows; rid++) {
				var dm = new DumpedMethod();

				peImage.ReadMethodTableRowTo(dm, rid);
				if (dm.mdRVA == 0)
					continue;
				uint bodyOffset = peImage.RvaToOffset(dm.mdRVA);

				byte b = peImage.OffsetReadByte(bodyOffset);
				uint codeOffset;
				if ((b & 3) == 2) {
					if (b != 2)
						continue;	// not zero byte code size

					dm.mhFlags = 2;
					dm.mhMaxStack = 8;
					dm.mhLocalVarSigTok = 0;
					codeOffset = bodyOffset + 1;
				}
				else {
					if (peImage.OffsetReadUInt32(bodyOffset + 4) != 0)
						continue;	// not zero byte code size

					dm.mhFlags = peImage.OffsetReadUInt16(bodyOffset);
					dm.mhMaxStack = peImage.OffsetReadUInt16(bodyOffset + 2);
					dm.mhLocalVarSigTok = peImage.OffsetReadUInt32(bodyOffset + 8);
					codeOffset = bodyOffset + (uint)(dm.mhFlags >> 12) * 4;
				}
				fileDataReader.Position = codeOffset;

				if (!decrypter.Decrypt(fileDataReader, dm))
					continue;

				dumpedMethods.Add(dm);
			}

			return dumpedMethods;
		}
开发者ID:RafaelRMachado，项目名称:de4dot，代码行数:45，代码来源:MethodsDecrypter.cs

示例4: Decrypt

		DumpedMethods Decrypt(MyPEImage peImage, byte[] fileData, DecryptMethodData decrypter) {
			var dumpedMethods = new DumpedMethods();

			var methodDef = peImage.MetaData.TablesStream.MethodTable;
			for (uint rid = 1; rid <= methodDef.Rows; rid++) {
				var dm = new DumpedMethod();
				peImage.ReadMethodTableRowTo(dm, rid);

				if (dm.mdRVA == 0)
					continue;
				uint bodyOffset = peImage.RvaToOffset(dm.mdRVA);

				if (!IsEncryptedMethod(fileData, (int)bodyOffset))
					continue;

				int key = BitConverter.ToInt32(fileData, (int)bodyOffset + 6);
				int mdOffs = BitConverter.ToInt32(fileData, (int)bodyOffset + 2) ^ key;
				int len = BitConverter.ToInt32(fileData, (int)bodyOffset + 11) ^ ~key;
				int methodDataOffset = mdOffs + 2;
				uint[] methodData;
				byte[] codeData;
				decrypter.Decrypt(methodsData, methodDataOffset, (uint)key, len, out methodData, out codeData);

				dm.mhFlags = 0x03;
				int maxStack = (int)methodData[methodDataIndexes.maxStack];
				dm.mhMaxStack = (ushort)maxStack;
				dm.mhLocalVarSigTok = methodData[methodDataIndexes.localVarSigTok];
				if (dm.mhLocalVarSigTok != 0 && (dm.mhLocalVarSigTok >> 24) != 0x11)
					throw new ApplicationException("Invalid local var sig token");
				int numExceptions = (int)methodData[methodDataIndexes.ehs];
				uint options = methodData[methodDataIndexes.options];
				int codeSize = (int)methodData[methodDataIndexes.codeSize];

				var codeDataReader = MemoryImageStream.Create(codeData);
				if (decrypter.IsCodeFollowedByExtraSections(options)) {
					dm.code = codeDataReader.ReadBytes(codeSize);
					dm.extraSections = ReadExceptionHandlers(codeDataReader, numExceptions);
				}
				else {
					dm.extraSections = ReadExceptionHandlers(codeDataReader, numExceptions);
					dm.code = codeDataReader.ReadBytes(codeSize);
				}
				if (codeDataReader.Position != codeDataReader.Length)
					throw new ApplicationException("Invalid method data");
				if (dm.extraSections != null)
					dm.mhFlags |= 8;
				dm.mhCodeSize = (uint)dm.code.Length;

				// Figure out if the original method was tiny or not.
				bool isTiny = dm.code.Length <= 0x3F &&
							dm.mhLocalVarSigTok == 0 &&
							dm.extraSections == null &&
							dm.mhMaxStack == 8;
				if (isTiny)
					dm.mhFlags |= 0x10;	// Set 'init locals'
				dm.mhFlags |= (ushort)(options & 0x10);	// copy 'init locals' bit

				dumpedMethods.Add(dm);
			}

			return dumpedMethods;
		}
开发者ID:RafaelRMachado，项目名称:de4dot，代码行数:62，代码来源:JitMethodsDecrypter.cs

示例5: Decrypt_v17_r73404

		DumpedMethods Decrypt_v17_r73404(MyPEImage peImage, byte[] fileData) {
			var dumpedMethods = new DumpedMethods();

			var methodDef = peImage.MetaData.TablesStream.MethodTable;
			for (uint rid = 1; rid <= methodDef.Rows; rid++) {
				var dm = new DumpedMethod();
				peImage.ReadMethodTableRowTo(dm, rid);

				if (dm.mdRVA == 0)
					continue;
				uint bodyOffset = peImage.RvaToOffset(dm.mdRVA);

				if (!IsEncryptedMethod(fileData, (int)bodyOffset))
					continue;

				int key = BitConverter.ToInt32(fileData, (int)bodyOffset + 6);
				int mdOffs = BitConverter.ToInt32(fileData, (int)bodyOffset + 2) ^ key;
				int len = BitConverter.ToInt32(fileData, (int)bodyOffset + 11) ^ ~key;
				var codeData = DecryptMethodData_v17_r73404(methodsData, mdOffs + 2, (uint)key, len);

				var reader = MemoryImageStream.Create(codeData);
				var mbHeader = MethodBodyParser.ParseMethodBody(reader, out dm.code, out dm.extraSections);
				if (reader.Position != reader.Length)
					throw new ApplicationException("Invalid method data");

				peImage.UpdateMethodHeaderInfo(dm, mbHeader);

				dumpedMethods.Add(dm);
			}

			return dumpedMethods;
		}
开发者ID:RafaelRMachado，项目名称:de4dot，代码行数:32，代码来源:JitMethodsDecrypter.cs


注：本文中的MyPEImage.ReadMethodTableRowTo方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。