lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date: Fri, 27 Nov 2020 01:39:02 +0100 (CET)
From: Jacek Lipkowski <>
Subject: [FD] Etherify 4 - jumping air gaps with real ethernet hardware


Another amusing etherify hack, this time not with raspberry pis, but with 
normal laptops.

The implementation is deliberately very primitive (shell scripts, uses 
native system tools). The data is transmitted via very slow morse code 
(QRSS CW), which can be decoded visually on a spectrogam. This way one can 
judge the signal/noise ratio by eye.




This isn't 100% related to security but some of you might find this hack 
amusing. It could be used to jump air-gaps or as a simple soft-tempest 

Have fun :)

Jacek / SQ5BPF

Sent through the Full Disclosure mailing list
Web Archives & RSS:

Powered by blists - more mailing lists