Questions tagged [hexadecimal]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
1answer
96 views

Need help identifying a -possibly- encrypted string

I'm having some trouble building an app that gets data from a database to keep a log of files added to a website. Most URLs are generated from a file ID and a time stamp, some of those URLs are ...
0
votes
1answer
50 views

Hex editing a program to change variable types

For starters guys please don't get mad at me because I really googled this question for a while and couldn't find a satisfying answer. Also if I'm asking an idiotic question, I apologize beforehand. ...
0
votes
0answers
126 views

Decipher hexadecimal GPS coordinates from UDP message

I'm trying to get the GPS lat/long data from a UDP message. It's captured on a radio dispatch console on a P25 radio system, if that helps. I captured this UDP message when I sent a simulated ...
4
votes
1answer
104 views

Help with a pointer

Sorry for this stupid question. It's late here and I've been kinda stuck for a while over this so I hope someone here can answer this easily. In CheatEngine, 028FA190+374 is pointing to 028F1788. ...
2
votes
1answer
130 views

Decipher variable length serial protocol

I have an ebike consisting of a controller which regulates power to the motor and a smart LCD which can adjust max speed, power output, pedal assist sensitivity etc as well as displaying the current ...
-3
votes
1answer
6k views

How do I decode this JavaScript code? [duplicate]

Each file starts with the same function: (function(_0x128f83, _0x1ae5b9) { var _0x1b5471 = function(_0x339be5) { while (--_0x339be5) { _0x128f83['push'](_0x128f83['shift']()); ...
-1
votes
1answer
1k views

How decrypt hexadecimal javascript code? [closed]

Someone here already had success to deobfuscate 100% a "hexadecimal" Javascript code? E.g.: var _0x22bc92 = function() { var _0x26938d = !![]; return function(_0x100751, _0x54d399) { ...
1
vote
1answer
150 views

Converting 16 bit long Hex value to a color

I am currently trying to reverse engineer some game files. I have found the exact location of each graphic element, but now I am stuck trying to convert their data to "readable" rgb code. They use 16 ...
5
votes
1answer
2k views

x86 ASM question about hexadecimal numbers and how to transfer them

So I am wondering why I cannot do this mov eax, ffffffffh but I can do this: mov eax, 0ffffffffh Could anybody explain please? In this case, I am using the Flat Assembler but I think this is not ...
1
vote
0answers
106 views

How can I make these images appear normal?

I'm trying to extract some images from a PS Vita game. I've managed to get a load of .bin files with names 00000.bin, 00001.bin and so on, but the file types are not the same. Each even numbered file ...
14
votes
1answer
32k views

Objdump - How to output text (eg ASCII strings) alongside assembly code?

Aim: I want to take hex and ascii data (derived from a binary file using xxd) and use Objdump (or a suitable other tool that Linux comes with) to output the memory addresses / offsets, assembly code, ...
1
vote
0answers
56 views

Reverse Engineer an iOS MP4 Bug [duplicate]

Recently I came across and malformed mp4 that when played on the iPhone would crash the device. I am trying to figure out which bits are specifically responsible for the crash. I am wondering if ...
3
votes
1answer
609 views

Decoding proprietary 485 comms

I am trying to decode a reverse cycle split system air-conditioner comms signal so that I can control an outdoor a/c compressor unit without using the manufactures indoor unit. The unit is made by ...
2
votes
1answer
1k views

Calculating check sum of m-bus data frame

I'm trying to calculate the check sum of a m-bus data frame. In page 1 of this PDF I'm able to read that the frame's check sum "is calculated from the arithmetical sum of the data mentioned above, ...
0
votes
1answer
1k views

Windows CE + Itron RTOS image

I'm working on unpacking a firmware image, I managed to uncompress the original image but I'm stuck in the current step. First of all this is the current uncompressed image: https://www.dropbox.com/s/...
3
votes
2answers
2k views

Weird binwalk output on GoPro Firmware

I'm trying to extract GoPro hero 3+ camera firmware but I'm getting a weird output from binwalk. This is the binwalk output (Uploaded to pastebin): http://pastebin.com/raw.php?i=yVZFGZT6 As you ...
1
vote
1answer
183 views

PUSHing a lot of hexadecimal numbers

I have the following two lines: .... push 401150h call sub_401253 .... So, when I click on push 401150h IDA PRO shows: seg0001 : 00401120 dword_401120 dd 6F662F3Ch, 3C3E746Eh, 3E702Fh, ...