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Decompilation of AArch64 Binaries in RetDec Decompiler
Kašťák, Matej ; Křivka, Zbyněk (referee) ; Kolář, Dušan (advisor)
The goal of this thesis is to propose and implement a decompiler for the AArch64 architecture. The thesis firstly introduces the concept of reverse engineering, then analyzes the ARM processor platform and architecture of RetDec decompiler from Avast company. In the next chapters, we describe the design and implementation of a module for RetDec. The~purpose of this module is to decompile machine code into LLVM IR instructions which are further processed by LLVM passes. This leads to decompilation to a higher level language.
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Decompilation from Selected Object File Formats
Bandzi, Michal ; Láznička, Stanislav (referee) ; Matula, Peter (advisor)
Object files contain machine code that can be executed by processor unit. Structure of an object file is defined by its file format. In order to decompile an object file, it is necessary to process and convert file data to internal representation of decompiler. This thesis discusses design and implementation of new modules for file format processing that will be part of the Retargetable Decompiler project. The goal of this work is to add support for Intel HEX and Mach-O file formats and new implementation of already supported Portable Executable file format. Implementation of modules for file formats Intel HEX and Mach-O was successful and it is possible to use them for reverse compilation. Processing of PE file format is not possible in sufficient quality due to errors in used LLVM library.
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Decompilation of x86-64 Binaries in RetDec Decompiler
Kubov, Peter ; Křivka, Zbyněk (referee) ; Kolář, Dušan (advisor)
The goal of this thesis is to implement support for decompilation of x64 binary files in the RetDec decompiler. The thesis analyses different approaches to reverse engineering, mainly from the view of information technology. After a general classification of decompilers, thesis brings to attention one particular decompiler from Avast company-RetDec. The thesis also deals with the description of broadly used architecture x86, and it's descendant architecture x86-64. In result, the thesis provides new and extends existing classes in C++ to provide missing functionality.
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Decompilation of AArch64 Binaries in RetDec Decompiler
Kašťák, Matej ; Křivka, Zbyněk (referee) ; Kolář, Dušan (advisor)
The goal of this thesis is to propose and implement a decompiler for the AArch64 architecture. The thesis firstly introduces the concept of reverse engineering, then analyzes the ARM processor platform and architecture of RetDec decompiler from Avast company. In the next chapters, we describe the design and implementation of a module for RetDec. The~purpose of this module is to decompile machine code into LLVM IR instructions which are further processed by LLVM passes. This leads to decompilation to a higher level language.
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Decompilation of x86-64 Binaries in RetDec Decompiler
Kubov, Peter ; Křivka, Zbyněk (referee) ; Kolář, Dušan (advisor)
The goal of this thesis is to implement support for decompilation of x64 binary files in the RetDec decompiler. The thesis analyses different approaches to reverse engineering, mainly from the view of information technology. After a general classification of decompilers, thesis brings to attention one particular decompiler from Avast company-RetDec. The thesis also deals with the description of broadly used architecture x86, and it's descendant architecture x86-64. In result, the thesis provides new and extends existing classes in C++ to provide missing functionality.
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|
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Decompilation from Selected Object File Formats
Bandzi, Michal ; Láznička, Stanislav (referee) ; Matula, Peter (advisor)
Object files contain machine code that can be executed by processor unit. Structure of an object file is defined by its file format. In order to decompile an object file, it is necessary to process and convert file data to internal representation of decompiler. This thesis discusses design and implementation of new modules for file format processing that will be part of the Retargetable Decompiler project. The goal of this work is to add support for Intel HEX and Mach-O file formats and new implementation of already supported Portable Executable file format. Implementation of modules for file formats Intel HEX and Mach-O was successful and it is possible to use them for reverse compilation. Processing of PE file format is not possible in sufficient quality due to errors in used LLVM library.
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