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Translation of x86 Binary Code To a High-Level Language
Jurík, Marián ; Křivka, Zbyněk (referee) ; Kolář, Dušan (advisor)
The purpose of this MSc thesis is to create design and implementation of program for translation of x86 binary code to a high-level programming language. There is described PE file format for executables used in MS Windows operating systems in the first part of work. This document contains general information about instruction set IA-32, especially a way of decoding binary code to assembly language. There are described typical program constructions, which are being used in compilers. Design of creation high-level programming language was inspired by existing programming languages. Conclusion is made about advantages and disadvantages of approach used in this thesis.
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Digital Steganography for Executables
Bever, Ľuboš ; Šimek, Václav (referee) ; Strnadel, Josef (advisor)
Steganography for executable files is the least common steganography. Research in this area has subsided after several, not many, attempts to implement it. The aim of this work is the implementation of existing methods and its modification proposal. Extensible software that has been created, can be also used to implement other methods. The implemented methods were properly tested, evaluated and compared. The comparison results show, that the used instruction substitution method, roughly corresponds to its reference value 1/110, however the results are highly dependent on the input binaries. The proposed extension of this method averages a data rate of 1/84, which is only 1.5 times less than the value obtained from another existing implementation in which specialized software was used to search for equivalence classes. The maximum data rate obtained from test programs is 1/38.
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Digital Steganography for Executables
Bever, Ľuboš ; Šimek, Václav (referee) ; Strnadel, Josef (advisor)
Steganography for executable files is the least common steganography. Research in this area has subsided after several, not many, attempts to implement it. The aim of this work is the implementation of existing methods and its modification proposal. Extensible software that has been created, can be also used to implement other methods. The implemented methods were properly tested, evaluated and compared. The comparison results show, that the used instruction substitution method, roughly corresponds to its reference value 1/110, however the results are highly dependent on the input binaries. The proposed extension of this method averages a data rate of 1/84, which is only 1.5 times less than the value obtained from another existing implementation in which specialized software was used to search for equivalence classes. The maximum data rate obtained from test programs is 1/38.
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Translation of x86 Binary Code To a High-Level Language
Jurík, Marián ; Křivka, Zbyněk (referee) ; Kolář, Dušan (advisor)
The purpose of this MSc thesis is to create design and implementation of program for translation of x86 binary code to a high-level programming language. There is described PE file format for executables used in MS Windows operating systems in the first part of work. This document contains general information about instruction set IA-32, especially a way of decoding binary code to assembly language. There are described typical program constructions, which are being used in compilers. Design of creation high-level programming language was inspired by existing programming languages. Conclusion is made about advantages and disadvantages of approach used in this thesis.
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