71 lines
2.3 KiB
C#
71 lines
2.3 KiB
C#
/*
|
|
Copyright (C) 2011 de4dot@gmail.com
|
|
|
|
This file is part of de4dot.
|
|
|
|
de4dot is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
de4dot is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with de4dot. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
using Mono.Cecil;
|
|
using Mono.Cecil.Cil;
|
|
using de4dot.blocks;
|
|
|
|
namespace de4dot.deobfuscators.SmartAssembly {
|
|
class ResourceResolverInfo : ResolverInfoBase {
|
|
EmbeddedAssemblyInfo resourceInfo;
|
|
AssemblyResolverInfo assemblyResolverInfo;
|
|
|
|
public EmbeddedAssemblyInfo ResourceInfo {
|
|
get { return resourceInfo; }
|
|
}
|
|
|
|
public ResourceResolverInfo(ModuleDefinition module, ISimpleDeobfuscator simpleDeobfuscator, IDeobfuscator deob, AssemblyResolverInfo assemblyResolverInfo)
|
|
: base(module, simpleDeobfuscator, deob) {
|
|
this.assemblyResolverInfo = assemblyResolverInfo;
|
|
}
|
|
|
|
protected override bool checkResolverType(TypeDefinition type) {
|
|
return DotNetUtils.findFieldType(type, "System.Reflection.Assembly", true) != null;
|
|
}
|
|
|
|
protected override bool checkHandlerMethod(MethodDefinition method) {
|
|
if (!method.IsStatic || !method.HasBody)
|
|
return false;
|
|
|
|
EmbeddedAssemblyInfo info = null;
|
|
var instructions = method.Body.Instructions;
|
|
for (int i = 0; i < instructions.Count; i++) {
|
|
var instrs = DotNetUtils.getInstructions(instructions, i, OpCodes.Ldstr, OpCodes.Call);
|
|
if (instrs == null)
|
|
continue;
|
|
|
|
var s = instrs[0].Operand as string;
|
|
var calledMethod = instrs[1].Operand as MethodReference;
|
|
if (s == null || calledMethod == null)
|
|
continue;
|
|
|
|
info = assemblyResolverInfo.find(Utils.getAssemblySimpleName(s));
|
|
if (info != null)
|
|
break;
|
|
}
|
|
if (info == null)
|
|
return false;
|
|
|
|
resourceInfo = info;
|
|
Log.v("Found embedded assemblies resource {0}", Utils.toCsharpString(info.resourceName));
|
|
return true;
|
|
}
|
|
}
|
|
}
|