Questions tagged [unknown-data]

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How do I reverse engineer an Electron compiled file?- a JSC Bytenode file

I have a bytenode JSC file - which is described as: This tool truly compiles your JavaScript code into V8 bytecode, so that you can protect your source code. It can be used with Node.js, as well as ...
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Reverse engineering unknown data file

I have a set of datafiles that I want to reverse engineer which are used by a software that controls my heating system. I want to extract the commands to then use these commands in my home automation ...
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1 answer
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Decoding API response of unknown encoding?

I'm using Proxyman to inspect the api requests of an app I use. Most of the data is returned in plain JSON blobs but there is one response which is returning data encoded/encrypted. How can I go ...
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Decoding a stream of bytes in audio form (Teenage Engineering OP-1 & PO-33)

I have a device that stores and transmits data using audio (Teenage Engineering's OP-1 and PO-33). I'm trying to figure out how I can turn it into a byte stream to try to decode it. Below is an ...
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1 answer
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Unknown binary format of a b64-encoded list of doubles

While reverse engineering a database middleware. This is presumably encoding a list of double or float values with Base64 encoding and then compressing it. Via zlib.decompress() I was able to ...
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1 vote
1 answer
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What is data only exploitation?

I was wondering, and after trying to read for the past several months I got totally lost and don't understand this concept. Could someone please explain in simple words the concept of data only ...
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I have a dos file/database that i need to extract into MS Excel or My Sql

I have a dos file/database(decades old) that I need to extract into MS Excel or My SQL. I am using a MacBook. The file appears to have no extension. The file type I can see when I do "get info&...
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1 vote
0 answers
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Unknown binary format (.scp) - No Header

I hope everyone is doing well. I've recently been trying to decode the structure of some files that contain a lot Unicode-8 IIRC characters, with a mix of binary. When I put it into IDA, I can't seem ...
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2 votes
1 answer
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Reverse engineering Roland TR-8S kit file format .t8k

I'm trying to figure out the file format that the Roland TR-8S drum machine uses for importing/exporting drum kits. My goal is to replace the sample (PCM) data within a kit. It's a proprietary binary ...
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2 votes
2 answers
658 views

How can I decrypte the data in this SQLite Database file

I have this SQLite Database file https://we.tl/t-RwKqYyS3D7 When I open it in notepad++, I got some decoded strings. I was trying to clean it and show only the strings without the symboles but then I ...
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Retrieve user data as if it were the game making the request

Don't think the title really summed it up but here goes. There's a game built in Unreal Engine 4 that displays your (and other users) in-game statistics e.g a leaderboards page. I can determine some ...
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Figuring out Win10 ShellMenuHost/StartMenuHost cache data relation for Tiles

I have a weird bug that causes this crap: There are plenty of dumb "solutions" a-la "turn it off and on" but none of them work and/or relevant, the shell apps simply refuse to ...
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2 answers
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Reverse Engineering a Proprietary Bar Code

I'm trying to figure out how to decipher the data stored in a proprietary barcode. I looked through just about every barcode type and cant seem to match it, so I'm assuming this is some special ...
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1 vote
1 answer
109 views

What encoding is this?

This is a picture of the encoded code. I'm just wondering what is the encoding that it is using.
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1 vote
1 answer
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How to read data from android.car.cluster

While performing a vulnerability scan for open ports of an Android Automotive Infotainment system, I found out that port 5151 is open. Doing a netcat on the open port, reveals a continuous stream of ...
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1 answer
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how to calculate a byte value

We are reversing the method of creating a byte array packet. These values are obtained by serialport monitor from mediatek metamode usb port.The values of both packets are changed by changing the imei....
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2 votes
1 answer
288 views

reverse a RF rolling code

I have the following codes from a rolling code RF garage fob I want to duplicate. There is a duplicator remote that able to get one code and learn the sequrence from it: https://www.ebay.com/itm/V2-...
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3 votes
2 answers
233 views

How can I find out what type of processor an Intel Hex file belongs to?

I have a text file and I know that it is a firmware of a device. This file have Intel Hex Format as below: :03:8000:00:028100FA :02:8003:00:XXXXXX :02:800B:00:XXXXXX :02:8013:00:XXXXXX :01:801B:00:...
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1 vote
2 answers
248 views

Opening an undocumented 90s graphics format

I've managed to extract some graphics files from an archive of an old game. Haven't found anything about it online, so I'm trying my luck here, prehaps someone knows a similar format that can help me. ...
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4 votes
1 answer
204 views

Reverse engineer compressed iOS app file

I want to find out the compression method used by an iOS app used for music notation to store its files. The files of its OSX counterpart are zipped files. You cannot create files in the iOS app, but ...
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2 votes
1 answer
372 views

How to extract information from a binary file knowing the target info

I have some measured data comes from a various types of sensors. The sensors are connected to a data-logger in order to store measurement data. After measurement, the data transported and stored in a ...
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