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Print total number of encrypted methods

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de4dot 2011-11-26 12:20:04 +01:00
parent 0ce27f8a2d
commit df6678626e
1 changed files with 7 additions and 3 deletions
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10
de4dot.code/deobfuscators/dotNET_Reactor/MethodsDecrypter.cs
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@ -31,6 +31,7 @@ namespace de4dot.deobfuscators.dotNET_Reactor {
EncryptedResource encryptedResource;
Dictionary<uint, byte[]> tokenToNativeMethod = new Dictionary<uint, byte[]>();
Dictionary<MethodDefinition, byte[]> methodToNativeMethod = new Dictionary<MethodDefinition, byte[]>();
int totalEncryptedMethods = 0;
long xorKey;
public bool Detected {
@ -62,6 +63,7 @@ namespace de4dot.deobfuscators.dotNET_Reactor {
this.module = module;
this.encryptedResource = new EncryptedResource(module, oldOne.encryptedResource);
this.tokenToNativeMethod = oldOne.tokenToNativeMethod;
this.totalEncryptedMethods = oldOne.totalEncryptedMethods;
this.xorKey = oldOne.xorKey;
}
@ -203,6 +205,7 @@ namespace de4dot.deobfuscators.dotNET_Reactor {
uint methodToken = 0x06000001 + (uint)methodIndex;
if (isNativeCode) {
totalEncryptedMethods++;
if (tokenToNativeCode != null)
tokenToNativeCode[methodToken] = methodData;
@ -303,10 +306,11 @@ namespace de4dot.deobfuscators.dotNET_Reactor {
throw new ApplicationException(string.Format("Could not find method {0:X8}", token));
methodToNativeMethod[method] = pair.Value;
}
tokenToNativeMethod = null;
}
public void encryptNativeMethods(MetadataBuilder builder) {
if (tokenToNativeMethod.Count == 0)
if (methodToNativeMethod.Count == 0)
return;
Log.v("Encrypting native methods");
@ -315,7 +319,7 @@ namespace de4dot.deobfuscators.dotNET_Reactor {
var writer = new BinaryWriter(stream);
writer.Write((uint)0); // patch count
writer.Write((uint)0); // mode
writer.Write(tokenToNativeMethod.Count);
writer.Write(methodToNativeMethod.Count);
int index = 0;
var codeWriter = builder.CodeWriter;
@ -342,7 +346,7 @@ namespace de4dot.deobfuscators.dotNET_Reactor {
}
if (index != 0)
Log.n("Re-encrypted {0} native methods", index);
Log.n("Re-encrypted {0}/{1} native methods", index, totalEncryptedMethods);
var encryptedData = stream.ToArray();
xorEncrypt(encryptedData);