gr-tempest
Rectangle
gr-tempest | Rectangle | |
---|---|---|
4 | 724 | |
486 | 24,493 | |
- | - | |
1.2 | 8.5 | |
about 1 year ago | 3 days ago | |
C++ | Swift | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
gr-tempest
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Are hackers watching your screen right now?
GR-Tempest
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Using HDMI radio interference for high-speed data transfer
https://www.youtube.com/watch?v=8Bx1R_y5xSk & https://github.com/git-artes/gr-tempest
> gr-tempest, a GNU Radio-based implementation of TEMPEST, is an on-going project whose objective is to emulate and extend TempestSDR functionalities, while enabling simpler experimentation and taking advantage of GNU Radio’s functionalities and support. In this talk, I will describe the mathematical principles behind the TEMPEST attack and present how gr-tempest works. Furthermore, I will show several real-world examples including both VGA and HDMI, and the fundamental differences between both types of signals.
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HDMI Firewall
Its worth noting that prior to the growth of cable/satellite TV channels and the introduction of Digital TV broadcasting... the "TV Detector" was actually a real workable process. Regardless of how often their enforcement actually used them or how diligently they used them (and thus false positives). The fact the "evidence" from the vans was never used in court does not mean they could not or did not work.
"TV Detection" was actually just a civilian use of Radiation Intelligence, the kind of RF emanation that the USA has the entire TEMPEST hardening requirements https://en.wikipedia.org/wiki/Tempest_(codename) in order to prevent nation state attackers from being able to snoop data from their electronic equipment. This is a very real security principle and plenty of demonstrations out there to show how much information can be leaked from unshielded systems. You can check out gr-tempest which uses modern software defined radio hardware https://github.com/git-artes/gr-tempest. You can see pretty good demo of it here https://old.reddit.com/r/RTLSDR/comments/q59ofn/i_was_finall...
The basic truth is that over time it got harder and harder to build "simple" detectors to work out if people were using their TVs to watch the BBC (and this is the tricky part, a valid argument is "I don't watch the BBC", so they need to detect BBC channels being displayed on the TV and not detect other channels) and so it gradually became a less and less directly useful tool for the license enforcement teams to use, so it has sort of transformed from a genuine relatively accurate tool, into a sort of mythical boogeyman that gets used to scare people into paying for the license. The wikipedia article is actually pretty good for explaining how the older detection mechanisms worked https://en.wikipedia.org/wiki/TV_detector_van#Detection_tech...
- Gr-Tempest
Rectangle
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Updating My Mac Window Shortcuts Strategy for Optimal Workflow
Rectangle’s installation is incredibly straightforward. Its immediate out-of-the-box functionality was a pleasant surprise. For anyone seeking to reduce the friction of window management on their Mac, Rectangle is a solution I wholeheartedly recommend.
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How I stay (more) focused with ADHD
Tip: I use Rectangle app to set up keyboard shortcuts to resize windows (I only have three shortcuts there: left/right half of the screen and full screen).
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Ideal Monitor Rotation for Programmers
But Raycast also has some functionality in that direction.
[1] - https://rectangleapp.com/
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Little macOS Apps That Make a Big Difference in 2024
Two more little utilities that I cannot live without on Mac:
A tiling window manager like https://rectangleapp.com/
Muzzle, which automatically silences desktop notifs when you're screensharing https://muzzleapp.com/
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Macbook M3 Max new MacOS user
I suggest using Rectangle instead of Magnet; it has the same features but is free. I don't know what other Windows features you want to have.
- Newb: ONE tip you can share that would make my Mac OS experience better?
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Found this on Facebook and I've started questioning my life choices...
I’ve used this app forever. Adds in all the window snapping features.
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Recommend apps for learning Macbook hotkeys and shortcuts coming from a Windows background.
third-party window management apps like Magnet and Rectangle
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MacOS tools to make your life easier
Rectangle Mac - Move and resize windows in macOS using keyboard shortcuts or snap areas, similar to Windows.
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Everything I install and set up on a new MacBook as a web developer
I was a Spectacle user for years, but I recently switched to using Rectangle for window management. Rectangle has a few more options than Spectacle; I’m still getting used to it but I have no strong feelings either way.
What are some alternatives?
gnuradio - GNU Radio – the Free and Open Software Radio Ecosystem
Amethyst - Automatic tiling window manager for macOS à la xmonad.
inspectrum - Radio signal analyser
yabai - A tiling window manager for macOS based on binary space partitioning
ddcutil - Control monitor settings using DDC/CI and USB
alt-tab-macos - Windows alt-tab on macOS
SDRPlusPlus - Cross-Platform SDR Software
PlayCover - PlayCover is a project that allows you to sideload iOS apps on macOS (currently arm, Intel support will be tested)
mqtt_usb_switch - Firmware for adding an ESP32 to a Plugable 3.0 USB Switch to add MQTT Functionality
linux
twinkle-tray - Easily manage the brightness of your monitors in Windows from the system tray
i3 - A tiling window manager for X11