Hams Watch For Meteors
After passing an exam and obtaining a license, an amateur radio operator will typically pick up a VHF ratio and start talking to other hams in their local community. From …read more Continue reading Hams Watch For Meteors
Collaborate Disseminate
After passing an exam and obtaining a license, an amateur radio operator will typically pick up a VHF ratio and start talking to other hams in their local community. From …read more Continue reading Hams Watch For Meteors
I was trying to exploit the constantize method in ruby for remote code execution. for example I have this line code:
@mygroups = params[:group][:type].constantize.new(params[:group])
and in the request I sent the following payload:
group%… Continue reading ruby on rails constantize exploitation
I’m testing a type of DDOS attack, named SSDP reflection attack on my virtual environment. I installed miniupnpd service on a debian and lubuntu virtual machines which they are acting as my upnp devices. I also use my access point as anoth… Continue reading SSDP reflection DDOS
I’m testing a type of DDOS attack, named SSDP reflection attack on my virtual environment. I installed miniupnpd service on a debian and lubuntu virtual machines which they are acting as my upnp devices. I also use my access point as anoth… Continue reading SSDP reflection DDOS
Is there a problem to use reflection (specifically class.forName) in server side application?
My main thread about this is someone to inject a code dumping memory in JVM and adding commands in reference memory field, but this is unlike in … Continue reading Dyanamic class load for server side application
Reflecting on the past year led me to put together this post about how I believe this incredibly challenging year has had an irreversible effect on the way the workforce will collaborate, innovate, and do business in the future. In this blog, I will try to address what I believe are the core principles that can help us overcome these challenging times, put some balance and stability into our lives, and improve our organizations for the better. Continue reading Evaluating Our Core Principles
Reflecting on the past year led me to put together this post about how I believe this incredibly challenging year has had an irreversible effect on the way the workforce will collaborate, innovate, and do business in the future. In this blog, I will tr… Continue reading Evaluating Our Core Principles
“Time-domain reflectometry” sure sounds like something that needs racks of expensive equipment to accomplish. In reality, TDR is just measuring the time between injecting a pulse into a cable and receiving its echo, either from the other end of the cable or from some fault or defect along the way. …read more
Continue reading Dead Simple Time-Domain Reflectometry with Just a Battery and an Oscilloscope
Despite a glut of introvert memes, humans need sunlight. If vitamin D isn’t your concern, the sun is a powerful heater, and it helps plants grow. Sadly for [mime], their house is not positioned well to capture all those yummy sunbeams. Luckily for us, their entry into the 2020 Hackaday …read more
Inventing often combines more than one old ideas into a new one. Even when the fused things are similar, the result can be more valuable than the sum of its parts. Unlike those analog watches with a digital clock below the face, when [Mojoptix] combined the re-reflecting properties of an …read more