1. Introduction

1.1 - motivation - the problem - see proposal1.2 - contribution - goal - see proposal1.3 - thesis structure

2. Background2.1. Software protection

2.1.1 - different types of software protectiontaxonomia lui Collberg in Background chaptertalk about Legal, Remote Services, Encryption, Machine / Native

code, Obfuscation2.1.2 - obfuscation in generaldifferent obfuscation techniques2.1.3 - Virtualization obfuscation

- concept- usage

2.2. Software attacks

2.2.1 Static analysissummary of papers + - papers and tools- attacking VO

2.2.2 Dynamic analysissummary of papers + - papers and tools- attacking VO

2.2.3 State of the Art tools- obfuscators Agile.Net, Eazfuscator ...- deobfuscators / decompilers- opensource ConfuserEx

3. Design and Implementation

3.1 Virtualization Level2pg

3.1. Virtualization Algorithm- Refactoring- Virtualization- use cases, examples

2 pg

3.2. Obfuscator Archictecture

4.2 Types of Refactorings2 pg

4.3 Types of Interpreters- class, instance, method2pg

3.3. Obfuscator Settings- levels of randomness, frequency analysis mitigation3pg

3.4. Obfuscator Limitations- Implementation: lambda expressions- Challenges- Security (data structure visible)

2 pg

4. Evaluation

4.1 Collberg's taxonomyPotency, Resilience, Cost, Stealthtaxonomia lui Collberg in Background chapterEvaluation framework

4.2 Manual Static Analysis- inspect bytecode

4.3 Dynamic Automatic Analysis- levenstein distance

5.3 Cost: How much time/space overhead is added?- performance

runtime overhead

5. Conclusions

6. Future work - attacks