Category Archives: group news

March meeting fun!

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March came in, and was an awesome time.  Too bad ngharo and vlad missed it.  We were hopping at the Meetupery!

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dw5304 got things started with some radio hacking, with his HackerRF board that he’s managed to un-brick.   We swept some bands, and learned that car FOBs generally work around 300mhz for sending signals.  And Chrysler FOBs have some good output!  IMG_20140307_203527

After that, we had some fun with a giant lock that Klaviel tried his hand at.  This thing is used for some serious security!  IMG_20140307_203610

We also reminisced about previous dc414 meetings, like a certain laser incident, and RF jammers.   W also got to see a neat piece of hackery, an ammo can turned into a self contained power supply, with lithium drill batteries and an inverter.   Awesomesauce! IMG_20140307_213641

Thanks for everyone who came out, and we’ll see you again next month!

-darkwind

February meeting awesomeness and sadness

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February was another great meeting. It started with me and ngharo running late then doing the introductions, which there was a lot of. Its always good to see new faces at meetings. Then I broke the sad news that I will be leaving Wisconsin and so dc414 as well, appointed ngharo as new prez and stepped down. Then ngharo said a few words and gave us a glimpse of some of the changes he will be making. Everyone be sure to congratulate ngharo, I can’t wait to see what he does with the place.

Rob started the demos off with hacking a used disposable flash camera and a halogen light bulb to make a handy improvised flash light. I perfect zombie apocalypse type hack. Then he busted out materials for everyone to make their own zombie caution light. It did’t take long for people to start hacking it up even more and did all kinds of crazy things. Vlad was the first to turn things up to 10 by doing something to the transformer in the camera to pump out more voltage and get a brighter light. Then dw5304 and others did their best to blow the capacitors and other things up! Then using the flash bulb that came with the camera and capacitors over 9000 we tried to do some UV tattooing. Next up was Klaiviel doing a key impressioning demo for the newbies in the crowd. Here are some photos of the meeting.

So here it is, my last post on dc414. It has been a fun ride and I will miss everyone. You can still find me on the dc414 irc chan and I will be at meetings via G+ or what ever ngharo sets up for the group. See you out there.

-AA

Openings at dc414!

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Running dc414 is a big job and we need help! We have a few openings in the ranks if anyone is up to the challenge. There is no pay but there is a few perks.

Current openings:

Web Master. – This person is responsible for all things website. Making posts, replying to people that comment on posts and notify the rest of the crew of things that pop up that requires their attention. We also want to move away from our current CMS to something else and you will be in charge of most of that transfer.

Graphics ninja. – Many parts of dc414 could use a good face lift and this person will be responsible for that, as well as many other projects.

Tech monkey. – Someone that holds, maintains and sets up all dc414 donated hardware at events.

Booty keeper. – Someone to collect and manage donations.

If you think you have what it takes to fill these spots please let me know, anarchy at dc414 dot org

A call for help!

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Hey everyone, I need some help getting the word out for the know your rights event. If anyone in MKE can spare some time to pin up a few flyers please let me know. Anyone who helps out will get a free dc414 shirt. Some places I would like to see hit up are FUEL Cafe and Brewing Grounds For Change and any place like them. As well as other cafes and colleges and just anywhere you think is a good place to put flyers. So if you can help out drop me a line at anarchy@dc414.org Thank you.

Know your rights event

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dc414 is proud to produce the “Know your rights event” on January 11th 2014 at The Meetupery. The goal of this event is to educate the people and teach them how they can preserve their civil liberties during police encounters with confidence. The event will start with a viewing of the 40 minute film “10 Rules for Dealing with Police” from FlexYourRights.org followed by a few words from Stephen Govin attorney at law. After which there will be time for any questions the audience might have.

More information here.

November meeting recap.

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First, many thanks to The Meetupery for hosting our meeting. You guys rock! Klaiviel got things going with his thingy that he plans on trying to make more of “I hope to get one!”. Then we went around the room and found out what everyone is up to. I made a few announcements that will be repeated here on a later date and Ngharo talked about his big plans for the new and improved dc414 PBX! I can’t wait for that to get done 🙂 Then dc5304 attempted to show us a super sweet SDR but ended up showing us how to brick one 😛 Then we talked about a old ass UHF/VHF scanner that you programmed with crystals I found at a yard sale. The one I got had 8 ports but only 5 crystals 4 of which had been identified with the fifth one unknown. We attempted to find the frequency of it but did not have all the right equipment. Anyway I thought it was a cool little piece of radio history so we gave it away along with a few other things. Here are a few pictures from the meeting. Congrats to the big winner college boy!

dc414 Halloween Party!

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Its time for Steph, Alex, and dc414’s annual Halloween party! 🙂 As usual, costumes are recommended but not required. Trick or treat runs 6-8pm – Watch for kids if you come during that time.

We will have chili and other food (and I promise, more dairy free options this time around!). Feel free to bring drinks or a dish to share.

Contact Anarchy Angel for directions – anarchy at dc414 dot org

halloweenjackolantern

Format string $20 challenge

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At the last meeting I showed everyone how to use a format string vulnerability in a password storage app to bypass the master password and pull data out of memory. That is just one way to exploit this type of vulnerability so I challanged everyone at the meeting to get the app I used “code below” to execute their supplied input. The first person to let me know they got it and do a demo get $20! So it pays to be a little early.

#include < stdio.h >
#include < string.h >

int main (int argc, char *argv[])
{
char** spw = "dc414 pwnz";
char text[1025];
strcpy(text, argv[1]);
if (strcmp(text, "asd123")==0) {
printf("Correct the password is %s \n",spw);
return 0;
}
printf(text);
printf(" is wrong\n");
return 0;
}

Tips for dc414 members (and everyone else) at DEFCON21

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Here are a few tips and guidelines to follow while in Vegas:

  • Keep an eye on dc414’s twitter, Facebook, and G+ feeds to keep up to date on what we are doing so you can join in on the fun.
  • If you have access to dc414’s VPN be sure to use it at all times on your tablet, phone, and laptop. If you do not have access to the VPN but have a server you can access “like one on your home connection”, set up a ssh tunnel and use it at all times.
  • Do not use USB “or CDs/DVDs” sticks from anyone, other then ones you brought your self, including ones you find on the floor or parking lot.
  • Do not leave USB sticks laying out that you intend to use later.
  • Do not let anyone connect their phone to your system for charging or any other reason.
  • Do not connect your phone/tablet to anyones computer other then yours.
  • When using the local WIFI “hotel, convention center, etc” Do not visit any site you intend to login to with the HTTP protocol “ie http://mail.dc414.org” only connect using HTTPS “ie https://mail.dc414.org”
  • Do not scan any QR codes with apps that do not verify the content before displaying it or opening other programs.
  • Do not ever leave your computer, phone, or tablet unattended

July meeting recap

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Let me start by saying many thanks to Milwaukee Makerspace for hosting our meeting and to Klaiviel for hooking us up. Ulic got us rolling and gave a awesome presentation on PRISM and other government spying programs. dw5304 was up next and did his cable modem magic for us. Then Klaiviel showed us how to crash RC planes and quad-copters. After words he gave us the grand tour of Makerspace. The rest of the night everyone socialized while vlad, darkwind, and Klaiviel crashed a quad-copter.

UPDATE:
You can get a copy of Ulic’s slides HERE enjoy 🙂