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|MIT License||Apache License 2.0|
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Reverse Engineering the Facebook Messenger API
2 projects | news.ycombinator.com | 8 Apr 2023
Not sure. I started reverse engineering Java apps very early in my life — initially it was J2ME games. Decompilers of the time sucked but that didn't stop me from modding Gravity Defied :P
I honestly don't know what's a good way of getting started on reverse engineering. There's a bunch of everything about Windows executables in particular, including "crackmes", but native machine code is a level up from JVM bytecode. Java classes and Android dex files can be decompiled back to sensible source with a good chance that you get something that can be compiled again. No such luck for native code — C/C++ compilation is a lossy process by its nature, especially the optimizations. Ghidra does a decent job but still requires a non-zero amount of manual assistance. Flash games also were good to hone one's reverse engineering skills since ActionScript decompilers did a pretty darn good job.
Anyway. To decompile dex to Java source, there's jadx: https://github.com/skylot/jadx
Since decompilation is sometimes lossy, there's apktool for when you want to put the app back together after tinkering with it: https://github.com/iBotPeaches/Apktool
It goes without saying that you also need a JDK and the Android SDK. In particular, you need apksigner form the SDK to sign the unsigned apks generated by apktool. You can also automate things a bit and use adb to deploy them to your device.
What I usually do is get a high-level overview of the app in jadx, and then modify the smali (dalvik bytecode in text form, very assembly-like) files generated by apktool.
Any legit cracking tutorial?
2 projects | /r/ApksApps | 13 Feb 2023
apk.sh, make reverse engineering Android apps easier!
4 projects | /r/androiddev | 13 Dec 2022
apk.sh basically uses apktool to disassemble, decode and rebuild resources and some bash to automate the frida gadget injection process. It also supports app bundles/split APKs.
The Xbox App for Android TV (not the Game Pass)
3 projects | /r/AndroidTV | 7 Nov 2022
Is there a way to decompile and rebundle an android bundle?
2 projects | /r/androiddev | 29 Sep 2022
Apktool can unpack and repack an apk. https://ibotpeaches.github.io/Apktool/
how to modify tiktok app
2 projects | /r/androiddev | 17 Jul 2022
Then decompile the apk. Use https://ibotpeaches.github.io/Apktool/ or similar. You have to decompile it with resources to smali. Smali is a programming language which looks like java binary code.
Use ApkTool to inspect your APK file when building for Android
2 projects | /r/reactnative | 15 May 2022
I wasn't aware of apkTool before today. Randomly google removed our app from the store because we included the android.permission.QUERY_ALL_PACKAGES permission. It wasn't anywhere in our code so i assumed it was in a dependency but wasn't sure. Searching in VsCode didn't turn up anything.
Vanced development team states that the reason why Vanced got shut down is because it's logo resembles original YouTube's logo and that's illegal. If that's the case, then it's the worst way to lose the best app. Also, were they trying to tell us something with this upper paragraph? [other]
2 projects | /r/Vanced | 20 Mar 2022
Hacker News top posts: Jan 17, 2022
2 projects | /r/hackerdigest | 17 Jan 2022
APKTool: A tool for reverse engineering Android APK files\ (32 comments)
APKTool: A tool for reverse engineering Android APK files
5 projects | news.ycombinator.com | 16 Jan 2022
What are some alternatives?
jadx - Dex to Java decompiler
dex2jar - Tools to work with android .dex and java .class files
Uber Apk Signer - A cli tool that helps signing and zip aligning single or multiple Android application packages (APKs) with either debug or provided release certificates. It supports v1, v2 and v3 Android signing scheme has an embedded debug keystore and auto verifies after signing.
CyberChef - The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis
androguard - Reverse engineering and pentesting for Android applications
Ghidra-Cpp-Class-Analyzer - Ghidra C++ Class and Run Time Type Information Analyzer
apk-mitm - 🤖 A CLI application that automatically prepares Android APK files for HTTPS inspection
bettercap - The Swiss Army knife for 802.11, BLE, IPv4 and IPv6 networks reconnaissance and MITM attacks.
apk2gold - CLI tool for decompiling Android apps to Java. It does resources! It does Java! Its real easy!
volatility - An advanced memory forensics framework
App Manager - A full-featured package manager and viewer for Android
objection - 📱 objection - runtime mobile exploration