Hey guys! Today I have an infosec project for you.
In simple words it's just hacking.
But professionals call it information security.
I'm really interested in the portion of infosec that allows me to get access to networks.
Once you get physical access to a network we can do many things
I heard about people use drones to do hacking so I went to the DJI store because I only
have experience with small drones so I want to take a look.
Oh my goodness! That thing sounds like a lawn mower.
One- I can't afford it.
Second that's much much too loud for pentesting I think.
I decided to use my DJI spark. Because I happen to have it and it's quiet.
So I needed to figure out a way to drop a payload from it.
I did my projects in my spare time a couple of
minutes here and there so I don't have a good video.
But I saved all the parts because I think my thinking process is very funny
and I want to show you step by step how I think about it.
So this is my idea. Like most Chinese I don't own a clothes dryer.
I just put them on the balcony on a clothesline
and sometimes when the wind blows very hard it will rock back and forth and blow my clothes off.
That's where my original idea comes from.
I was expecting that if I could use a hook to put it on my srone
so that I can rock it back and forth and the payload will drop.
So I went to Tinkercad and make some models and then I 3D printed them. Let me show you.
So this one is the first prototype. There are two hooks.
on each side in different angles.
I was thinking maybe this one.
If this one doesn't work maybe the other one will work from this side.
So I just need to attach the chopstick on and demonstrate it to show you guys.
Like this I just put the payload in the middle and I would fly it up in the sky
trying to rock it back and forth.
Sometimes if I'm lucky it falls off.
But there are so many times...
...and then I would practice flying it back up to the sky and rock it back and forth again
back and forth again and it doesn't drop.
It doesn't deliver the payload to my target.
Sometimes it's not very reliable.
Every time when I try to you know land the payload. It just land on the ground.
I know the answer is obvious right?
But the whole time I was just trying to rock it back and forth in the sky and I would just pick
it up and then put it on again and set it right back to the position.
But now I know what you're thinking. I think everybody has that moment.
Looking back at it I was just like I get caught up in one way and I didn't know
the problem is the solution
So this is the rough one I started with.
It's too tight.
I printed this for I don't know what you call this the plastic part of it. Is it wing or an arm?
Let's just call it an arm.
Then I got to the other one. I'm not going to put it on because I might scrape parts of the arm.
The last one I finally got it right. Like this.
Then I printed the other parts.
I printed the other parts but you know like most of my process I have to print tons of them.
You see the box I just keep printing and adjusting and see if it fits.
So I printed two parts with adjustable holes so I can figure out where I put the
middle part for the payload.
And I got to the final part.
So this is the final version. The other legs I just duplicates the first one.
So it flys like this.
It drops and then I take off again
I can put any payloads under 100 grams
like ESP8266, ESP32 and PI zero.
As long as it's under a hundred gram and within two kilometers
you can drop it anywhere.
You can drop it nearby the window, on the roof or a movable target like on a train.
This is a ESP8266 and I got a bunch of battery connectors here.
I'm going to solder the battery connector to the esp8266
and you can just run esp8266 off a 9 volt battery I have a couple here.
So I've got three batteries here. I used one to practice before.
So I've got to test it they have run out. Let me use my multi-meter.
It's little bit messy here because I have a couple projects so...
So this one is 9.6 volt this one is fine.
This one is dead.
This one also 9.6 volt. So we got two that's usable.
Then let's attach the battery connector to the 9 volt battery
This is the payload case I printed out.
So I got two payloads.
So I am standing across from ChaiHuo/x.factory.
One of the biggest maker spaces in Shenzhen.
But I call it the fakerspace. Because they don't publish anything they don't make anything.
Yes they got tools but they just let them sit there and get dusty. Nobody uses them.
So they are fake and they don't make anything. They don't like me.
Because I am the real deal. They only hire foreigners to pay them to say they are a real makerspace.
That money could go to kid's educations you know?
The Shenzhen government is great, they gave them tons of funding
but they are not using it in the right way.
It's like The Interview, they have fake fruit stand but in Shenzhen we have fake Makerspaces.
So I decided to play a little trick on them.
The patch antenna is pretty directional so I can use it to draw a line for the drone.
I have a ESP8266 running beacon_spam. I'm going to drop it on their roof.
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