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> You can download Skidfuscator [here](https://github.com/skidfuscatordev/skidfuscator-java-obfuscator/releases) and run it directly using:
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> ```
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> java -jar skidfuscator.jar obfuscate <path to your jar>
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> ```
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Skidfuscator uses a config system, which allows you to customize your obfuscation. We try to automatically download all compatible libraries, but some may slip through the cracks. The Gradle plugin is a work in progress. For now, use:
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```
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java -jar skidfuscator.jar obfuscate <path to your jar> -li=<pathtofolderwithalllibs>
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```
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## 🕵️ What is Skidfuscator?
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Skidfuscator is a proof of concept obfuscation tool designed to take advantage of SSA form to optimize and obfuscate Java bytecode
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code flow. This is done via intra-procedural passes each designed to mingle the code in a shape where neither the time complexity
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neither the space complexity suffers from a great loss. To achieve the such, we have modeled a couple of well known tricks to
@@ -54,6 +65,33 @@ not to be commercial but to inspire some more clever approaches to code flow obf
What is third generation flow obfuscation? Well, contrary to Zelix's [second generation flow obfuscation](https://www.zelix.com/klassmaster/featuresFlowObfuscation.html), we use an even more complex system with private and public seeds. Here's
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how it works:
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@@ -69,24 +107,7 @@ how it works:
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We currently are working on a variety of ways to approach this system using various lightweight obfuscation methods. Here are the current ones
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to date:
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Here are the features:
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| Feature | Type | Description | Status |
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| --- | --- | --- | --- |
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|`Flow GEN3`| Flow (Community) | Obfuscates methods using the GEN3 Obfuscation methodology | ✅ |
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|`Bogus Jump`| Flow (Community) | Invalid jump to some random generated code to prevent skidding | ✅ |
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|`Bogus Exception`| Flow (Community) | Invalid jump to some random generated exception | ✅ |
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|`Mangled Jump`| Flow (**Enterprise**) | Mutation to the jump condition to make it appear more complex than it actually is | ❌ |
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|`Exception Jump`| Flow (**Enterprise**) | Changes done to flow semantics by forcing an exception then handling all the code in the catch clause | ❌ |
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|`Exception Return`| Flow (**Enterprise**) | Throw an exception with the value and catch it as opposed to returning it (Very heavy) | ❌ |
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|`Strong Opaque Predicate`| Flow (Community) | Use heredity and method invocation to pass a predicate as opposed to declaring it at the beginning of the CFG | ✅ |
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|`Method Inlining`| Flow (**Enterprise**) | Inline uncommon methods which aren't too big | ❌ |
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