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Jean-Marie Mineau 2025-09-24 17:19:23 +02:00
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5_theseus/4_dynamic_data_collection.typ
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@ -5,7 +5,7 @@
To perform the transformations described in @sec:th-trans, we need information like the name and signature of the method called with reflection, or the actual bytecode loaded dynamically.
We decided to collect that information through dynamic analysis.
We saw in @sec:bg different contributions that collect this kind of information.
In the end, we decided to keep the analysis as simple as possible, so we avoided using a custom Android build like DexHunter, and instead used Frida (see @sec:bg-frida) to instrument the application and intercept calls of the methods of interest.
In the end, we decided to keep the analysis as simple as possible, so we avoided using a custom Android build like DexHunter, and instead used Frida to instrument the application and intercept calls of the methods of interest.
@sec:th-fr-dcl present our approach to collect dynamically loaded bytecode, and @sec:th-fr-ref present our approach to collect the reflection data.
Because using dynamic analysis raises the concern of coverage, we also need some interaction with the application during the analysis.
Ideally, a reverse engineer would do the interaction.