Questions tagged [lua]

Lua is a lightweight, embeddable, multi-paradigm, dynamically-typed programming languague.

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What are good tips to reverse engineering code with no variable name information and loss of the debug information?

I am a exploiter for roblox which mean that I execute scripts via an external program called an exploit on running roblox games. To make script for my exploits, I have to use debugging library and ...
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234 views

Luajit Assembler/Disassembler (.ljbc file)

I have found it for a long time. But it seems dont exist. there's decompiler but it's too old. and i need a tool to translate ljbc file to bytecode and translate bytecode to ljbc file. Here's the ...
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How to find .lu encryption method in Android app using Frida?

I was able to extract resource.car from a Corona android application. And then unpacked it using corona-archiver. But I can't read file contents, I've tried luadec and failed with error: bad ...
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482 views

Lua script decode method?

I have a game plugin that enables the lua script encryption.I tried to decode it but it seems used many useless encode method to let you cannot understand it.It seem like some enctypted lua script ...
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1answer
196 views

Decrypting some possibly XXTEA encrypted lua/game files

I am trying to extract assets from a Chinese game, I downloaded the apk file and unzipped it. I looked through the files and they are encrypted in some ways, the PNGs and LUAs are unviewable. The ...
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507 views

Decrypting Lua Files from game

I'm truing to decrypt LUA scrpits from cocos2dx game (for wiki). Links to files of game: libhellolua.so (cocos2dx external library) example encrypted LUA-scripts (*.abc files) I was reading a ...
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1answer
6k views

Decrypting Lua Files

I am trying to decrypt a lua file which has been encrypting using a key. Some background to the LUA file. Its from an android Game i decompiled the APK and found that all the lua files are encrypted. ...
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198 views

How to decompile these LUAs from the Bookworm Adventures games?

I'm trying to decompile the LUCs (customly extensioned LUAs) from both of the games but they won't decompile, they aren't encrypted and use LUA version 5.0.2 (32-bit) according to the game's code. ...
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259 views

Finding lua addresses with ida

I tried to find lua_pcall, lua_newthread, luaL_loadbuffer, lua_tolstring, lua_pushcclosure and lua_pushinteger functions with IDA decompiler but I didn't find them. Can someone please tell me what is ...
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196 views

Finding lua C functions compiled binary

So i am trying to "hack" a game however not for cheating purposes. I am looking to extend the games scripting functionality through a DLL that can look for processes and return them. The game I am ...
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313 views

FLIRT Signature Applied, IDA shows references but no auto rename?

So, I have a program which I am 99% sure it is using Lua as when I look at string references I see this: Which I am understanding that somewhere in this program they have statically linked a Lua C or ...
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Need help with reverse engineering camera-related information in a video game

I've posited a similar question over on the Game Development StackExchange, but I'm going to refine it, elaborate, and piecemeal a more R.E.-specific context with the hope that someone out there has ...
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Reversing Luac (is there a way to get proper variable names)

I've been trying to (reverse) a Lua script to source code again. Only problem I've got is that all variables are named "L**", is there a way to decode that ? it looks like this if I decompile it with ...