pypush | nacserver | |
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23 | 2 | |
3,499 | 19 | |
- | - | |
8.5 | 4.1 | |
3 months ago | 5 months ago | |
Python | Objective-C | |
GNU General Public License v3.0 or later | - |
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pypush
- Beeper Mini Is Back
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Does anyone know where the source code for Beeper Cloud's iMessage bridge is?
It’s written in Go and hasn’t been opened yet but it’s heavily based around this project: https://github.com/JJTech0130/pypush
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Apple cuts off Beeper Mini's access after launch of service that brought iMessage to Android | TechCrunch
neither this nor search is very much a hard problem as it’s been solved many times over already. The harder part is that beeper never reverse engineered anything, they bought the POC from a high school kid that did it as a project: https://github.com/JJTech0130/pypush meaning they never had the ability to do it in the first place
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Apple cuts off Beeper Mini's access
This should have been obvious to anyone who saw the code where it simply contained the raw literal string `FAIRPLAY_PRIVATE_KEY = b64decode(“…”)`. I suppose now we’ll see how accurate the commenter’s claim “if this becomes a problem, I know how to generate new keys” is.
https://github.com/JJTech0130/pypush/blob/main/albert.py#L16
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The discord
I had copied it from JJ’s official GitHub website https://github.com/JJTech0130/pypush
- Beeper got a C&D according to an insider
- Apple to Android after 10+ years
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Beeper Mini is an interesting alternative to AirMessage
Beeper open-sourced their reverse engineering effort, which means that there will now be a significant ongoing community effort to maintain the solution. It would be very difficult to stop the Beeper solution from working without also breaking iMessage clients running on older versions of MacOS or iOS. Apple may be able to keep new iMessage features locked up, but it would probably only be a matter of time before the community manages to reverse engineer those features, as well.
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Beeper reverse-engineered iMessage to bring blue bubble texts to Android users
Here's the code that Beeper bought for this: https://github.com/JJTech0130/pypush
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Thoughts on Beeper Mini being insecure?
He also has to fake being an apple device using real device identifiers. https://github.com/JJTech0130/pypush/blob/main/emulated/data.plist
nacserver
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Thoughts on Beeper Mini being insecure?
The kid who put this together is using apple binaries from macos to make it work. Even hosts them on his github account (dumb) https://github.com/JJTech0130/nacserver
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iMessage Explained
To me, the more concerning paragraph is the next one:
> Note: The binary that generates this “validation data” is highly obfuscated. pypush sidesteps this issue by using a custom mach-o loader and the Unicorn Engine to emulate an obfuscated binary. pypush also bundles device properties such as the serial number in a file called data.plist, which it feeds to the emulated binary.
The binary being emulated was extracted from an old macOS version and is hosted on GitHub: https://github.com/JJTech0130/nacserver. Apple obviously holds the copyright on this binary, and issuing a takedown would be the easiest way to sink this project. I wonder if the Beeper Android app also includes the file, that would be legally problematic.
What are some alternatives?
self-host - Learn how to self-host Beeper
hackclub - 🌎 Hack Club is a worldwide community of high school hackers. We make things. We help one another. We have fun.
py-imei-generator - A single python module to generate random IMEI numbers with specification of the first 8-12 digits
pypush - Cross-platform iMessage POC [Moved to: https://github.com/JJTech0130/pypush]
albertsimlockapple - First World Albert Simlock Bug Release 2023
signal-cli - signal-cli provides an unofficial commandline, JSON-RPC and dbus interface for the Signal messenger.
Jared - An easily extensible chat bot for iMessage written in Swift.
bitlbee - An IRC to other chat networks gateway :bee:
opendrop - An open Apple AirDrop implementation written in Python
albertsimlockapple - First World Albert Simlock Bug Release 2023
googlevoice
LibreSignal - LibreSignal • The truly private and Google-Free messenger for Android.