Radio for Everyone
- FM Audio Transmitters - Portables and Car Hands-FreeFM Audio Transmitters - Portables and Car Hands-FreeI'm using FM transmitters for years, both portables and vehicle versions, and pretty much used the majority of types on the market, so here's how they work and which ones I recommend.How FM transmitters work?Output audio from a device via FM transmission standard: you set a frequency on […]
- Review: Nooelec Rattlesnake 3-antenna kitThree antennas with magnetic mount and coax for $16:Review and observations are based on over half a year's use, summary: order from manufacturer, Amazon USA, or eBay right away. Rattlesnake kit is the best value aftermarket antenna package I ever came across. Period.Direct competitor on price ($15 on Amazon) is rtl-sdr.com's antenna kit, separate review here.First impressionsHeavy, feels good when opening the envelope:M5: Screw standard referring to […]
- Portable Bluetooth Audio Signal ReceiversReceive an audio signal up to 50 feet / 15 meters - best replacement for wires, also work as hands-free in a vehicle. Hands-on guide and five units tested and compared: cheap from China, for Hi-Fi, and midrange and expensive hands-free. Regardless of locale and prices, these four types cover most flavors on the market.What […]
- Maximum USB cable lengthQuestion often comes up, Answer: 27 feet / 9 meters with RTL-SDR dongles:For testing, I tried four separate RTL-SDR dongles in image above: rtl-sdr.com v3, Nooelec Mini 2, Nooelec E4000 SMArtee and regular Nooelec SMArt.USB connector cable is crucial, as mentioned in a previous post detailing stuff I'm happy with, blue 5 feet / 1.5 m […]
- RTL-SDR Dongles Image GalleryStudio Photos of over 20 RTL-SDR dongles on the market:More than 200 high-resolutions PCB, case and comparison images by clicking here.
Run my experiment on GENI
- Coexistence of delay-based TCP congestion controlBackground With the emergence of delay-sensitive applications like cloud gaming, remote driving, and virtual/augmented reality (VR/AR), low latency networking is more important than ever. Consequently, there has been renewed research interest in the development of low latency congestion control protocols. However, these efforts have been impeded by the
- Multicast routing with PIMIn this experiment, we will see how multicast routing protocols build a distribution tree between one or more multicast receivers and sources. It should take about 60-90 minutes to run this experiment. To reproduce this experiment on GENI, you will need an account on the GENI Portal, and you will
- A peek into Internet routingIn this experiment, we will see how traffic traverses the Internet across different autonomous systems. We'll use traceroute to sample some Internet paths. Then, we'll try to find clues about the routers along the path from the router hostnames. We'll also examine how traffic moves from one autonomous system to
Crazy Danish Hacker
- Downloading images from the SPACE STATION with a 22$ USB radioIn this video I demonstrate how to configure a cheap software defined radio to pick up radio transmissions from the international space station!
- Stack-Based Overflows – Getting a Metasploit ShellIn this video I show how to finish recreating the popular SLMail exploit!
- Stack-Based Overflows – Controlling Execution FlowIn this video I show how to recreate the popular SLMail exploit from scratch!
Blog – Hackaday
- Print Sewing Machine Parts Extend Singer’s Range[Grow Your Own Clothes] had finally found their ideal sewing machine for doing zig-zag stitches (/\/\/\) and converting to a treadle drive (mechanically foot-fed) — a Singer 411G. This is …read more
- This Ham Radio is Unsafe at Any FrequencyWhen we were kids we rode bicycles without pads and helmets. We drank sugary drinks. We played with chemistry sets and power tools. We also built things that directly used …read more
- Building the DIY HP41C: A Field ReportI have a confession to make. I write about a lot of projects for Hackaday, but there are very few I read about and then go actually build a copy …read more
ZeroSec – Adventures In Information Security
- AutoPoC - Validating the Lack of Validation in PoCsHoneyPoC was a project to look at how popular CVE PoCs could be. AutoPoC took that concept and enabled the mass creation of disinformation. Also, Data is beautiful.
- LTR102 - TeaserI started writing LTR102 a while ago but have decided to release a teaser chapter of the new book for free for folks to check out and feedback on. This is the introduction and chapter 1.
- ADExplorer Exporting Quick TipWorking with ADExplorer as a Red Teamer is really useful for seeing the whole domain in a single snapshot that can be looked at offline. There is minimal tooling out there for parsing ADExplorer or even exporting things and the closest I could find was ADEGrab but sadly it wasn&
Genesys Guru Blog
- Genesys Integration on The Wire (IOTW)Following on from a previous post on Genesys Management 2.0 here I’ve been doing some additional work on integrating Genesys environments with Elasticsearch. The result is what I call Genesys Integration on The Wire (IOTW). Integration on The Wire (IOTW) is a technology which enables system level integration based on a “zero touch” […]
- Genesys Management 2.0Hi – I’m back! Unfortunately, due to client confidentiality I’ve not been able to blog about Genesys work projects for a few years. Let’s change that .. This post is about something I have been looking at for several years in the form of a shelved project which gets events from Genesys components via the […]
- 2016 Xmas Light show using Raspberry Pi ControllerEnjoy!
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- Enabling Hibernation in Ubuntu 20.04 LTS using a Swap FileEnabling of the hibernation option on Ubuntu 20.04 LTS didn't work in the way I used to do. So, I had to explore further and do it slightly differently. This blog post records those things I did to get hibernation option working.1. First of all, create a swap file using the following commands.sudo fallocate -l […]
- Encrypting Files Using GnuPGThis post shows how to use GnuPG to encrypt and decrypt files on a Linux environment.1. If you haven't created your GnuPG key pair yet, you can use the following commands to create them and view their details.Create a pair of GnuPG keys using the following command.gpg --gen-keyThe keys and their relevant information are stored […]
- Sending Secure Emails with OpenPGPUse of encryption in our electronic communication is essential to protect our security and privacy. Here's how we can use OpenPGP standard to send and receive emails securly. While there are many software tools to get this done, I prefer this way.1. Create a pair of GNU Pritty Good Privacy (PGP) keys using the following […]
AMSAT-UK
- FUNcube-1 (AO73) Celebrating eight years in orbit!November 21, 2021, marks the eighth birthday of the FUNcube-1 CubeSat. Remarkably the tiny spacecraft, launched from Russia on November 21, 2013, continues to work well having travelled more than a billion kilometres in space. During the past couple of … Continue reading →
- ISS SSTV Dec 1 145.800 MHz FMRussian cosmonauts on the International Space Station (ISS) are planning to transmit Slow Scan TV images on 145.800 MHz FM using the SSTV mode PD-120. The transmissions are part of the Moscow Aviation Institute SSTV experiment (MAI-75) and will be … Continue reading →
- Karl Meinzer DJ4ZC made DARC honorary memberFormer AMSAT-DL President Prof. Dr. Karl Meinzer, DJ4ZC, who was first licensed in 1957 aged 17, has been named a new DARC honorary member. He was awarded the AMSAT-UK G3AAJ Trophy in 2000. A translation of the DARC post reads: … Continue reading →
Gough's Tech Zone
- RoadTest Review: Rohm REFRPT001-EVK-001 8-Ch Power Tree Eval BoardFor the past month or so, I’ve been quietly reviewing yet another item bestowed upon me by the generous gods at element14 … … this very nice-looking Rohm Semiconductor REFRPT001-EVK-001 eight-channel power tree evaluation board. This board is targeted at … Continue reading →
- Notes: Hyper Extension JN-1360 (H) 750W/1HP Treadmill RepairIt would have been a long time, perhaps close to a decade, since my Dad decided to buy a treadmill. The treadmill in question was a bottom-end, abnormally-cheap K-Mart special. Branded Hyper Extension, it was obviously an import product which … Continue reading →
- Review: Mushkin Source 2 1TB SATA III 2.5″ Solid-State Drive (MKNSSD21TB)The final installment of my flash-memory shopping spree is a 2.5″ SATA SSD. As I had a “shoestring” budget to spend and wanted something relatively capacious, I settled on the Mushkin Source 2 1TB (MKNSSD21TB). We don’t get much of … Continue reading →
Compass Security Blog
- Swiss Cyber Storm 2021 Wrap UpOn October 12th the Swiss Cyber Storm conference took place in the Kursaal in Bern. Several Compass analysts attended the conference, our security analyst Yves Bieri held a talk and we also had a booth. The conference was great fun, finally a in-person conference with many interesting talks. This blog post wraps up some talks […]
- Docker ForensicsSometimes one goes deep down the rabbit hole, only to notice later that what we were looking for is just under one's nose. This is the story of a digital forensic analysis on a Linux system running docker containers. Our customer was informed by a network provider that one of his system was actively attacking […]
- SAML Padding OracleArcGIS [1] is a family of software providing geographic information system services. While testing a customer's ArcGIS architecture we came across a SAML login flow. In this blogpost we show how we found and exploited an AES-CBC padding oracle in this flow.
WordPress.com News
- Shining a Spotlight on PodcastsInterested in podcasting? In this post, we showcase podcasts in a wide range of topics and discuss how to stand out with your own podcast.
- New: Free Blogging CourseWe have released a free course to help aspiring bloggers and content creators develop smart strategies and launch their sites.
- VideoPress RemakeIntroducing the new VideoPress. Still the finest video service for WordPress—now even better. Video is one of the most powerful tools on the web. It can spark ideas, emotions, conversations, sales, and much more. VideoPress already offers people the ability to upload and serve hours of high-quality video flawlessly around …
Nick Whyte
- 100 Warm Tunas 2018 Prediction AnalysisOver the space of 6 weeks, 100 Warm Tunas collected a large sum of data and chugged away at it to make some predictions about what the Hottest 100 of 2018 would look like. In summary, We collected 6,234 entries (13.6% decrease since 2017 🔻). We tallied 58,463 votes across these entries (12.9% decrease since […]
- 100 Warm Tunas has a new home!100 Warm Tunas has found a new home this year! This year’s results, along with the past 2 years can now be found at 100warmtunas.com. The existing domain (100-warm-tunas.nickwhyte.com) will simply perform a 301 permanent redirect to the new domain, so all existing inbound links should be unaffected.
- 100 Warm Tunas 2017 Prediction Analysis🔥💯 🔥💯 Over the space of 6 weeks, 100 Warm Tunas collected a large sum of data and chugged away at it to make some predictions about what the Hottest 100 of 2017 would look like. Along the way we encountered a bug in the collection process, however data was backfilled and showed that I […]
owenduffy.net
- RTKLIB using stunnel for TLS connection to NTRIP hostRTKLIB does not currently natively support TLS, hopefully it will in time. This article details configuration of RTKLIB rtknavi to work on a Win10 workstation using stunnel to connect to a NTRIP server that is only available using TLS. The version of rtklib used is v2.4.3b33, and stunnel v5.60. Rover The GPS receiver used here is […]
- nanoVNA – measure common mode choke – it is not all that hard!It seems that lots of hams find measuring the impedance of a common mode choke a challenge… perhaps a result of online expert’s guidance? The example for explanation is a common and inexpensive 5943003801 (FT240-43) ferrite core. Expectation It helps to understand what we expect to measure. See A method for estimating the impedance of […]
- Chinese batteries – replacements for Makita 1220 battery packBuying Chinese batteries is a minefield. Experience has been that they rarely meet specified capacity, and less that 10% of specified capacity is not that unusual. So, with that background I searched eBay for replacement batteries for a Makita drill / driver. The current pair of batteries are Chinese source, purchased about 5 years ago, […]