Questions tagged [decompilation]

Process of translating assembly code extracted from a binary file in a structured programming language, such as C.

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how to convert this ASM to C

I have this function that I know its responsible for making some nice math between a 2D vector to return the highest 3D Y value at the provided 2D coordinate. I also know it takes two parameters, int ...
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1answer
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How do you optimise AST's or convert them to a real language

I have been interested in automatic vulnerability assessment and decompilation of code for a while now. And as a result I have been building parsers in Python that reads a bin, disassembles it ...
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Decompiling return-oriented programs

How are return-oriented programs decompiled/reverse engineered ? Any pointers to any papers or reports would be appreciated.
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Can a debug-apk be reverse engineered to make it a release-apk?

I am making a system in which the users can create Android applications. I want them to give an option to download a debug apk so that they can try it out first. After that, they have to pay for it to ...
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2answers
3k views

How to load a dumped process and several accompanied memory pages in IDA?

I have dumped process and several dumped pages of memory that were allocated in it. How can I load everything in IDA into one DB and reference pages in the loaded process?
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1answer
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How to compile Hex-Rays decompiler generated code?

I need help to compile Pseudo-C code generated with IDA Pro and the Hex-Rays decompiler plugin. It shows an error on this line: int (__thiscall *off_401F14)(void *, char); // weak Error: error ...
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2answers
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Is there a collaborative reversing forum for people that deal with firmware?

The question pretty much says it. Beyond knowing people that are interested in the same things, is there a collaborative reversing dumping ground for documenting specifically disassembly of closed ...
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4answers
13k views

Checking if an .exe is actually a .jar wrapped in an .exe

Let's say I have a .jar file and wrap it into a .exe using any number of free utilities out there, like JSmooth. Would it be possible to tell, given just the .exe, if it was generated using one such ...
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3answers
7k views

Reverse engineer an old DOS QBasic executable

I recently decided to try my hand at reverse engineer an old DOS text based game that was coded in QBasic. I found some info online about old DOS games disassembly but mostly for Wacom compiled C/C++ ...
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1answer
6k views

What is the state of art in LLVM IR decompilation?

LLVM IR is a fairly high-level, typed bitcode which can be directly executed by LLVM and compiled to JIT on the fly. It would not surprise me if a new executable format or programming language was ...
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1answer
148 views

How to investigate function calls across a batch of targets?

Say I have a collection of N executables, where N is large enough to make repetitive manual analysis tedious. I want to process all of these files and extract information about certain function calls, ...
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3answers
468 views

How to differentiate from different hex files of different families of microcontrollers?

Is there any way to differentiate different microcontroller's hex files? I have a hex file and now I have forgotten of which micro-controller it belongs. Is there any available tool to tell this? or ...
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How can I turn .deb files back to .tar for reuse with other Linux distros? [closed]

We all know that Ubuntu is the most popular Linux distro today with plenty of application currently being developed for it. But then I use Fedora and some use other distros but still liked to have the ...

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