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Questions tagged [binary]

Files with machine code directly readable by the CPU or the interpreter. It encloses any executables, libraries, object code or memory dump of the analyzed software.

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1answer
189 views

Debugging Binary using Far Ret to switch Code Segment

It appears that GDB is unable to handle binaries which switch code segments. Using pwntools*, it's trivial to generate a 32-bit intel binary which uses retf to switch to the 64-bit code segment. ...
3
votes
0answers
756 views

Analysing eCos image

I'm working on unpacking a firmware image. I've already uncompressed the original image, but I'm stuck in the current step. This is the current uncompressed image: https://www.dropbox.com/s/...
2
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0answers
1k views

Can IDA generate C code for ASM assembly wihtout the binary

Lets say I have this picture of some assembly: Now I know how to manual tranform this assembly into C code because it is small but is it possible for IDA to convert this into C code? Ideally I would ...
1
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0answers
75 views

OTOOL alternative for linux

I have a reverse engineering set up on a Mac machine. This set up does some reverse engineering on iOS applications(.ipa files). I'm migrating the setup from Mac to a linux machine. Currently on Mac, ...
1
vote
0answers
59 views

Is Dynamic Binary Instrumentation legal in UK/EU for malware analysis?

I am doing a university project about performing malware analysis on binary files. The end goal would be to analyze real world executables(Microsoft Office installation file for example). If I use DBI,...
1
vote
0answers
112 views

What is the name of this technique?

A while back, on a Linux system, I found a strange binary being executed at seemingly random times with some strange arguments, briefly appearing in ps. There was nothing to be found at the usual ...
1
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0answers
323 views

Elf binary manipulation tool on ARM

Do you know any free tool for binary manipulation elf file on ARM, something like ERESI elfsh for Intel? Purpose - adding instructions into existing binary elf file.
1
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0answers
698 views

Modification of existing binary firmware update

I have several IP cameras from china, and I need to add some software to it. I have to ways how to burn my software into camera ROM using hardware programmer and using special binary what I upload ...
0
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0answers
69 views

How to extract battle algorithms from an RPG?

I have Final Fantasy X HD Remaster that I'm using for this, as I find their systems quite interesting. Main goal for this is a personal project, but beyond it, it would help with the educational side ...
0
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0answers
20 views

Will an iOS app (IPA) that requires a login work if I repack it and install it on the device?

I downloaded iOS WhatsApp from App Store, decrypted the binary, repacked it, and installed it back onto the device (deleting the app before installing). When I opened it, it only showed me a blank ...