50 lines
1.5 KiB
C#
50 lines
1.5 KiB
C#
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/*
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Copyright (C) 2011 de4dot@gmail.com
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This file is part of de4dot.
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de4dot 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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de4dot 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 de4dot. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Text;
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using Mono.Cecil;
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using de4dot.blocks;
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namespace de4dot.code.deobfuscators.Goliath_NET {
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class StringDecrypter : DecrypterBase {
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public StringDecrypter(ModuleDefinition module)
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: base(module) {
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}
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protected override string[] getRequiredFieldTypes() {
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return new string[] {
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"System.Byte[]",
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"System.Collections.Generic.Dictionary`2<System.Int32,System.String>",
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};
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}
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protected override bool checkDelegateInvokeMethod(MethodDefinition invokeMethod) {
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return DotNetUtils.isMethod(invokeMethod, "System.String", "(System.Int32)");
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}
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public string decrypt(MethodDefinition method) {
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var info = getInfo(method);
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decryptedReader.BaseStream.Position = info.offset;
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int len = decryptedReader.ReadInt32();
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return Encoding.UTF8.GetString(decryptedReader.ReadBytes(len));
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}
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}
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}
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