AndrewNohawk

Blog

General

zacon wrap-up!

Hi Guys, I see I haven’t update this blog in ages, I’d love to say I didn’t have enough time, but it was mostly just me being.. well lazy. Zacon IV was on the 27th of October ( http://www.zacon.org.za/about.html ) and was really great, had a super time and met some great people. My talk…

CodingRadioRTLSDRSecurity

Hacking fixed key remotes

Previously I discussed using my RTL-SDR to merely listen for analog audio signals. In this entry I’ll discuss using it to decode digital signals (this example on fixed remote signals often used for garages / gates ) so that they can be replayed/brute forced with something like the RFCat project (based on TI’s CC1111EMK module)….

GeneralHardware Hacks

Arduino Watering System: Update

This is just an update on the Arduino watering system, everything seems to be going well whilst I am away (I am away for ~a month, till the end of Blackhat / Defcon). In winter the plants don’t require nearly as much water and it seems that after 8 days the water level has dropped…

Hardware HacksRadio

RTLSDR: My First SDR!

A few weeks ago (I’ve been meaning to do this post for ages, few weeks ago is give or take 2 months) there was a post on reddit regarding a new software defined radio that cost around $20. After reading a few topics on the discussion (now all avail at http://www.reddit.com/r/RTLSDR now http://rtlsdr.reddit.com) my interest…

CodingHardware HacksSecurity

Magnetic stripes Part 1

Intro So its been nearly a month since I last put a blog post up and I have been working on some stuff in my free time between work (been traveling to the US and took a weekend off to visit some friends in Canada). I’m not particularly in the mood to write a new…

Security

Alternate DNS Names in Certificates

I know, its been forever since I posted, but I do have two things i’m working on (there are drafts, but they need to be finished) – Its just the effort to actually finishing. Its on Magstripe spoofing and using the RTLSDR -shrug-. Anyway, a discussion started in #zacon based on a post I thought…