53 lines
2.1 KiB
C#
53 lines
2.1 KiB
C#
/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System.Diagnostics;
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using System.Diagnostics.CodeAnalysis;
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using System.Linq;
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using dnSpy.Contracts.Debugger;
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using dnSpy.Contracts.Debugger.AntiAntiDebug;
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using dnSpy.Contracts.Debugger.DotNet.Mono;
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namespace dnSpy.Debugger.DotNet.Mono.AntiAntiDebug {
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// The native API funcs won't return true so disable the fixes
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abstract class DisableAntiAntiDebugCode : IDbgNativeFunctionHook {
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static bool TryGetInternalRuntime(DbgProcess process, [NotNullWhen(true)] out DbgMonoDebugInternalRuntime? runtime) {
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runtime = null;
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var dbgRuntime = process.Runtimes.FirstOrDefault();
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Debug2.Assert(dbgRuntime is not null);
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if (dbgRuntime is null)
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return false;
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runtime = dbgRuntime.InternalRuntime as DbgMonoDebugInternalRuntime;
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return runtime is not null;
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}
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public bool IsEnabled(DbgNativeFunctionHookContext context) => TryGetInternalRuntime(context.Process, out _);
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public void Hook(DbgNativeFunctionHookContext context, out string? errorMessage) => errorMessage = null;
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}
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[ExportDbgNativeFunctionHook("kernel32.dll", "CheckRemoteDebuggerPresent", new DbgArchitecture[0], new[] { DbgOperatingSystem.Windows }, 0)]
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sealed class DisableAntiCheckRemoteDebuggerPresent : DisableAntiAntiDebugCode {
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}
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[ExportDbgNativeFunctionHook("kernel32.dll", "IsDebuggerPresent", new DbgArchitecture[0], new[] { DbgOperatingSystem.Windows }, 0)]
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sealed class DisableAntiIsDebuggerPresent : DisableAntiAntiDebugCode {
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}
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}
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