void Initialize() {
var callCounter = new CallCounter();
int count = 0;
foreach (var type in module.GetTypes()) {
if (count >= 40)
break;
foreach (var method in type.Methods) {
if (method.Name != ".ctor" && method.Name != ".cctor" && module.EntryPoint != method)
continue;
foreach (var calledMethod in DotNetUtils.GetCalledMethods(module, method)) {
if (!calledMethod.IsStatic || calledMethod.Body == null)
continue;
if (!DotNetUtils.IsMethod(calledMethod, "System.Void", "()"))
continue;
if (IsEmptyClass(calledMethod)) {
callCounter.Add(calledMethod);
count++;
}
}
}
}
int numCalls;
var theMethod = (MethodDef)callCounter.Most(out numCalls);
if (numCalls >= 10)
emptyMethod = theMethod;
}
public void FindDelegateCreator(ModuleDefMD module) {
var callCounter = new CallCounter();
foreach (var type in module.Types) {
if (type.Namespace != "" || !DotNetUtils.DerivesFromDelegate(type))
continue;
var cctor = type.FindStaticConstructor();
if (cctor == null)
continue;
foreach (var method in DotNetUtils.GetMethodCalls(cctor))
callCounter.Add(method);
}
var mostCalls = callCounter.Most();
if (mostCalls == null)
return;
SetDelegateCreatorMethod(DotNetUtils.GetMethod(module, mostCalls));
}
public void Find() {
var additionalTypes = new string[] {
"System.IntPtr",
// "System.Reflection.Assembly", //TODO: Not in unknown DNR version with jitter support
};
var checkedMethods = new Dictionary<IMethod, bool>(MethodEqualityComparer.CompareDeclaringTypes);
var callCounter = new CallCounter();
int typesLeft = 30;
foreach (var type in module.GetTypes()) {
var cctor = type.FindStaticConstructor();
if (cctor == null || cctor.Body == null)
continue;
if (typesLeft-- <= 0)
break;
foreach (var method in DotNetUtils.GetCalledMethods(module, cctor)) {
if (!checkedMethods.ContainsKey(method)) {
checkedMethods[method] = false;
if (method.DeclaringType.BaseType == null || method.DeclaringType.BaseType.FullName != "System.Object")
continue;
if (!DotNetUtils.IsMethod(method, "System.Void", "()"))
continue;
if (!encryptedResource.CouldBeResourceDecrypter(method, additionalTypes))
continue;
checkedMethods[method] = true;
}
else if (!checkedMethods[method])
continue;
callCounter.Add(method);
}
}
encryptedResource.Method = (MethodDef)callCounter.Most();
}
