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![Permalink for '[Video] Hackers and Computer Science'](/themes/lilina/web//media/mark_off.gif)
21:31
»
SecDocs
Authors:
Sergey Bratus Tags:
hacking Event:
Chaos Communication Congress 27th (27C3) 2010 Abstract: Although most academics and industry practitioners regard "hacking" as mostly ad-hoc, a loose collection of useful tricks essentially random in nature, I will argue that hacking has in fact become a "distinct research and engineering discipline" with deep underlying engineering ideas and insights. Although not yet formally defined as such, it are these ideas and insights that drive the great contributions that hacking has been making to our understanding of computing, including the challenges of handling complexity, composition, and security in complex systems. I will argue that hacking uncovers and helps to understand (and teach) fundamental issues that go to the heart of Computer Science as we know it, and will try to formulate several such fundamental principles which I have learned from hacker research. At some point I realized that I was learning more about what really matters in computer science from hacker conventions, Phrack, Uninformed, and other hacker sources than from any academic source. Moreover, it wasn't just about exploits and vulnerabilities, it was about how systems were really designed, as opposed to how developers thought and students were taught they were. Then I realized that the reason for vulnerabilities that kept on giving were quite deeply theoretical and involved, e.g., theory of computation and information theory. Very little of this was quoted or understood in the academic publications.
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21:31
»
SecDocs
Authors:
Sergey Bratus Tags:
hacking Event:
Chaos Communication Congress 27th (27C3) 2010 Abstract: Although most academics and industry practitioners regard "hacking" as mostly ad-hoc, a loose collection of useful tricks essentially random in nature, I will argue that hacking has in fact become a "distinct research and engineering discipline" with deep underlying engineering ideas and insights. Although not yet formally defined as such, it are these ideas and insights that drive the great contributions that hacking has been making to our understanding of computing, including the challenges of handling complexity, composition, and security in complex systems. I will argue that hacking uncovers and helps to understand (and teach) fundamental issues that go to the heart of Computer Science as we know it, and will try to formulate several such fundamental principles which I have learned from hacker research. At some point I realized that I was learning more about what really matters in computer science from hacker conventions, Phrack, Uninformed, and other hacker sources than from any academic source. Moreover, it wasn't just about exploits and vulnerabilities, it was about how systems were really designed, as opposed to how developers thought and students were taught they were. Then I realized that the reason for vulnerabilities that kept on giving were quite deeply theoretical and involved, e.g., theory of computation and information theory. Very little of this was quoted or understood in the academic publications.
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21:28
»
SecDocs
Authors:
Sergey Bratus Tags:
hacking Event:
Chaos Communication Congress 27th (27C3) 2010 Abstract: Although most academics and industry practitioners regard "hacking" as mostly ad-hoc, a loose collection of useful tricks essentially random in nature, I will argue that hacking has in fact become a "distinct research and engineering discipline" with deep underlying engineering ideas and insights. Although not yet formally defined as such, it are these ideas and insights that drive the great contributions that hacking has been making to our understanding of computing, including the challenges of handling complexity, composition, and security in complex systems. I will argue that hacking uncovers and helps to understand (and teach) fundamental issues that go to the heart of Computer Science as we know it, and will try to formulate several such fundamental principles which I have learned from hacker research. At some point I realized that I was learning more about what really matters in computer science from hacker conventions, Phrack, Uninformed, and other hacker sources than from any academic source. Moreover, it wasn't just about exploits and vulnerabilities, it was about how systems were really designed, as opposed to how developers thought and students were taught they were. Then I realized that the reason for vulnerabilities that kept on giving were quite deeply theoretical and involved, e.g., theory of computation and information theory. Very little of this was quoted or understood in the academic publications.
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8:01
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Hack a Day
If you’ve ever thought about getting down to bare metal and building a homebrew computer from scratch [Garth Wilson] put up a great primer to the 6502, the same CPU found in Apple ][ computers, BBC Micros, Vic-20s, and the venerable Commodore 64 (a 6510 in the C64, but it's close enough). In his guide [...]
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5:01
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Hack a Day
Very rarely do we see an Instructable so complete, and so informative, that it’s a paragon of tutorials that all Instructables should aspire to. [8 Bit Spaghetti]‘s How to Build an 8-bit computer is one of those tutorials. [8 Bit Spaghetti]‘s build began on his blog. He originally planned to build a 4-bit computer but decided a [...]
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13:01
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Hack a Day
If you had a machine that could print complex mechanical parts in an hour or so, what would you do? [Chris] is doing the coolest thing we can imagine and is building an electromechanical computer from 3D printed parts. You may remember [Chris] from his efforts to getting his tiny, 1/10th scale Cray-1 supercomputer up and [...]
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16:01
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Hack a Day
[Kyle] has been hard at working building an 8-bit computer from the ground up. He’s using a set of logic IC’s for the various components, and some NVRAM chips to store the control words. What you see above is the roadmap for his instruction set. He’s just started writing them to the chips, making the [...]
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11:01
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Hack a Day
You’re going to want to do some stretching before undertaking a soldering project like this one. We’re betting that the physical toll of assembling this 4-bit discrete processor project is starting to drive [SV3ORA] just a bit crazy. This small piece of electronic real estate is playing host to 62 transistors so far, and he’s not [...]
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11:01
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Hack a Day
As a kid, [Boisy] cut his teeth on the TRS-80 Color Computer. It was a wonderful machine for its day, featuring a relatively powerful Motorola 6809 CPU. Although his CoCo was theoretically more powerful than its Commodore and Apple contemporaries, the graphics and sound capabilities of [Boisy]‘s first love paled in comparison to his friends 6502-based [...]
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12:30
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Hack a Day
[Julian Skidmore] has been busy improving the Fignition, a tiny AVR-powered educational computer, to support loading programs from a cassette tape. We first saw the Fignition after the BBC decided to cover an old-school hacker dedicated to improving computer education with a simple ‘bare-metal’ computer. [Julian]‘s Fignition harkens back to the days of very simple computers [...]
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10:01
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Hack a Day
What if you could add gesture recognition to your computer without making any hardware changes? This research project seeks to use computer microphone and speakers to recognize hand gestures. Audio is played over the speakers, with the input from the microphone processed to detect Doppler shift. In this way it can detect your hand movements [...]
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12:01
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Hack a Day
[Quinn Dunki's] homebrew computer project is moving up another evolutionary rung. She needs a more versatile user interface and this starts with the data output. Up to this point a set of 7-segment digits has served as a way to display register values. But her current work is aimed at adding VGA output to the [...]
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21:42
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SecDocs
Authors:
Cory Doctorow Tags:
warfare Event:
Chaos Communication Congress 28th (28C3) 2011 Abstract: The last 20 years of Internet policy have been dominated by the copyright war, but the war turns out only to have been a skirmish. The coming century will be dominated by war against the general purpose computer, and the stakes are the freedom, fortune and privacy of the entire human race. The problem is twofold: first, there is no known general-purpose computer that can execute all the programs we can think of except the naughty ones; second, general-purpose computers have replaced every other device in our world. There are no airplanes, only computers that fly. There are no cars, only computers we sit in. There are no hearing aids, only computers we put in our ears. There are no 3D printers, only computers that drive peripherals. There are no radios, only computers with fast ADCs and DACs and phased-array antennas. Consequently anything you do to "secure" anything with a computer in it ends up undermining the capabilities and security of every other corner of modern human society. And general purpose computers can cause harm -- whether it's printing out AR15 components, causing mid-air collisions, or snarling traffic. So the number of parties with legitimate grievances against computers are going to continue to multiply, as will the cries to regulate PCs. The primary regulatory impulse is to use combinations of code-signing and other "trust" mechanisms to create computers that run programs that users can't inspect or terminate, that run without users' consent or knowledge, and that run even when users don't want them to. The upshot: a world of ubiquitous malware, where everything we do to make things better only makes it worse, where the tools of liberation become tools of oppression. Our duty and challenge is to devise systems for mitigating the harm of general purpose computing without recourse to spyware, first to keep ourselves safe, and second to keep computers safe from the regulatory impulse.
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21:42
»
SecDocs
Authors:
Cory Doctorow Tags:
warfare Event:
Chaos Communication Congress 28th (28C3) 2011 Abstract: The last 20 years of Internet policy have been dominated by the copyright war, but the war turns out only to have been a skirmish. The coming century will be dominated by war against the general purpose computer, and the stakes are the freedom, fortune and privacy of the entire human race. The problem is twofold: first, there is no known general-purpose computer that can execute all the programs we can think of except the naughty ones; second, general-purpose computers have replaced every other device in our world. There are no airplanes, only computers that fly. There are no cars, only computers we sit in. There are no hearing aids, only computers we put in our ears. There are no 3D printers, only computers that drive peripherals. There are no radios, only computers with fast ADCs and DACs and phased-array antennas. Consequently anything you do to "secure" anything with a computer in it ends up undermining the capabilities and security of every other corner of modern human society. And general purpose computers can cause harm -- whether it's printing out AR15 components, causing mid-air collisions, or snarling traffic. So the number of parties with legitimate grievances against computers are going to continue to multiply, as will the cries to regulate PCs. The primary regulatory impulse is to use combinations of code-signing and other "trust" mechanisms to create computers that run programs that users can't inspect or terminate, that run without users' consent or knowledge, and that run even when users don't want them to. The upshot: a world of ubiquitous malware, where everything we do to make things better only makes it worse, where the tools of liberation become tools of oppression. Our duty and challenge is to devise systems for mitigating the harm of general purpose computing without recourse to spyware, first to keep ourselves safe, and second to keep computers safe from the regulatory impulse.
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16:24
»
Hack a Day
We’ve enjoyed seeing the development progress of Veronica, [Quinn Dunki's] 8-bit computer project. It started out on a breadboard, then moved to edge-connected PCBs, and now [Quinn] has given Veronica a body of her own. The donor is a Philco Model 42-327T and was produced in 1942. It was chosen because it is non-functional and [...]
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8:01
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Hack a Day
Because his computer is gradually turning into an all-inclusive media display device, [Shawn] figured a remote to control the volume and a video playlist would be a reasonable addition. TV remotes for computers have been around for years, but [Shawn] decided to go the DIY route and build his own computer remote. For the build, [...]
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16:01
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Hack a Day
[Richard] sent in a link to the Python controlled microcontroller he’s been working on. Unlike the previous portable Python boards we’ve seen, [Richard] thinks his pyMCU isn’t best used autonomously. This board is meant to be used only when connected to a computer and to serve as a bridge between the digital world of computers and our [...]
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7:01
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Hack a Day
Any self-identified geek that spent some time in the 80s will tell you how they used to type out programs into their ‘microcomputer’ with BASIC. It was a simpler time when a computer’s raison d’etre was simply being a BASIC interpreter. These days are long past us now; you can’t simply turn on a computer and [...]
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7:01
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Hack a Day
Any self-identified geek that spent some time in the 80s will tell you how they used to type out programs into their ‘microcomputer’ with BASIC. It was a simpler time when a computer’s raison d’etre was simply being a BASIC interpreter. These days are long past us now; you can’t simply turn on a computer and [...]
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10:01
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Hack a Day
One of the perks of writing for Hackaday is that we often find hacks that we’ve been meaning to do ourselves. Here’s one that will let us fix our borked ASUS computer monitor buttons. [Silviu] has the same monitor we do, an ASUS VW202, and had the same problem of stuck buttons. We already cracked [...]
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7:01
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Hack a Day
For a computer that debuted in the early 80s the MSX was a very respectable machine. Of course these were the days that superimposing graphics over a video was an amazing feat, but [Danjovic] and [Igor] are still having fun with their boxen. They designed a software interface for the Wii Nunchuck (translation) on their trusty MSX computer. [...]
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6:01
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Hack a Day
Who wouldn’t want to build a computer out of relays? We do, but we’ve got too many projects on our plate already. It looks like [rory] has his priorities in order because his build is one of the most amazing we’ve ever seen. We’ve seen [Harry Porter]‘s amazing relay computer and we’re familiar with [Konrad Zuse]‘s WWII era endeavours. [...]
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15:27
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Hack a Day
[Roel] had read that people won the DARPA shredder challenge, but that their technology was kept a secret, interested in this concept he also remembered an episode of the X-Files where they had reconstructed shredded paper using a computer system. Unlike most computer based TV show BS this did not seem to be too far [...]
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10:01
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Hack a Day
[Quinn Dunki] has been busy through the holidays giving her 6502 processor-based computer a place to live. The most recent part of the project (which she calls Veronica) involved designing and etching a mainboard for the device. In the picture above it’s the vertical board which is right at home in the backplane [Quinn] also [...]
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14:00
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Hack a Day
The worst computer keyboard, ever [Gerardus] found an old BBC Master Compact computer for $15. The only problem is the computer didn’t have a keyboard. It’s not a problem if you can make a keyboard out of an old breadboard. It’s not a Model M, but it works. Emergency ribbon cable repair [Thomas] works in [...]
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9:01
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Hack a Day
[Bob Alexander] wrote in to share a hobby of his that we thought was pretty timely considering the new year is quickly approaching. For several years now he has put together a custom calendar for himself, including both dates he finds important along with sweet pictures of vintage computer equipment. Friends and family found his [...]
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7:01
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Hack a Day
[Nirav] painted this masterpiece by hand… with a little help from a computer. He calls it the semi-automatic paintbrush because you do need to move it over the canvas by hand, but a computer decides when to dispense the ink. He’s using a piece of hardware we looked at back in September called the InkShield [...]
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13:01
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Hack a Day
[Victor] likes to watch movies on his laptop, but the tiny speakers in his machine don’t do [John Williams] and other perfectly fine soundtracks justice. To pump up the jams a little bit, [Victor] got a pair of Trust Mila 2.0 speakers for Sinterklaas. Unfortunately, these speakers were terrible – noise everywhere, tinny output and [...]
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7:01
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Hack a Day
If you are considering repurposing some old computer equipment to create music, be aware that the bar has been raised just a tad. YouTube user [BD594] spent some time sifting through his bin of used electronics and put together a 5-piece band that plays a pretty awesome rendition of The Animals’ “House of the Rising [...]
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14:01
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Hack a Day
When it came time to try out some old-school computing [Quinn Dunki] grabbed a 6502 processor and got to work. For those that are unfamiliar, this is the first chip that was both powerful, affordable, and available to the hobby computing market back in the 1970′s. They were used in Apple computers, Commodore 64, and [...]
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10:02
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Hack a Day
[Peter] was tired of crawling behind his desktop computer to switch between headphones and speakers. We feel his pain, as the headphone port on our computer speakers has its own demonic hum rendering the jack useless to us. His solution was to build this output selector board, then control it via the network. A relay [...]
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14:01
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Hack a Day
A few nights ago, [Chris Fenton] was hanging out at NYC Resistor putting in some time on his electromechanical computer project. You might remember [Chris] from his tiny Cray that he’s putting an OS on. It seems [Chris] is going back in time about 150 years and has set his sights on a 3D printed [...]
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12:57
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Hack a Day
It’s not that touchscreen keyboards are horrible, but it’s nearly impossible to touch type on an iPad or other tablet keyboard. A team at the Media Computing Group at Aachen University figured out how to put a series of electromagnets underneath a display to provide haptic feedback for touchscreens. They showed off their tech at [...]
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7:01
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Hack a Day
Desperately in need of a graduation paper, [Andrei] decided to build a few computer controlled recon vehicles (PDF warning), and we’re really impressed with the minimalist approach [Andrei] took. The Computer Operated Recon Entity (C.O.R.E.) mk. I is based around a laptop. Instead of an Arduino, [Andrei] used a car stereo amp to control the [...]
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6:01
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Hack a Day
Wood and electronics don’t generally mix nowadays, but if you yearn back to a time when radios and the like had a nice wooden finish, this wooden computer case may be for you. Combine that with a Wooden keyboard enclosure, and maybe even a LCD monitor stand and you’ll have a setup that should fit [...]
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1:08
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SecDocs
Authors:
Fabian Mihailowitsch Tags:
keylogger Event:
Hashdays 2010 Abstract: Hardware keyloggers are tiny devices that are plugged between a computer keyboard and a computer. They are available for PS/2 as well as USB keyboards. Once plugged, they are able to record all key strokes and store them using an internal memory. Thereby the main focus is to stay undetected. Most manufacturers promote their models cannot be detected by software and thus have an advantage over software based keyloggers. However that's not correct. Hardware keyloggers make slight changes to the interaction between the keyboard and the computer. These changes can be detected by software and used to determine whether a hardware keylogger is present. During this talk various techniques will be presented to detect hardware keyloggers theoretical and practical. Finally a PoC tool will be released, that implements these described techniques.
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16:02
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Hack a Day
So you bought yourself a Neato XV-11 and your floors have never been cleaner. The only problem is that you want to hack around with the hardware without losing your floor-sweeping minion. [Hash] found a solution to the issue by building a computer inside of the dustbin module. You can see at the center of [...]
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18:00
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Hack a Day
In part one I showed you that you could install a linux distro on a new computer and transplant it into a 386 computer in a short amount of time and with little effort. Now it is time to move on to bigger and beefier machines like 486′s, Pentiums and better. I am going to [...]
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6:01
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Hack a Day
[Alexis] sent in a single board computer he’s been working on. The project goal of his build was making it easily reproducible. From looking at the schematics, it’s one of the simplest fully-functional computers we’ve seen. The build runs CP/M 2.2 off of two 3.5 inch floppies. This opens up a lot of options as [...]
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4:05
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Hack a Day
If you find a crusty old IT guy and give him half a chance, he’ll probably regale you with stories of how things were done “in the old days” where no one had their own computer and everyone worked on mainframe-connected dumb terminals. [JSTN] yearned for a true to life terminal display that he could [...]
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8:01
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Hack a Day
[M. Eric Carr] came up with an interesting build for the 555 contest earlier this year, and we’re pretty sure that it would have kicked the winner of the complex category off the throne if it were completed. Although it’s a few months late, we’re happy to feature at least part of his 555-based computer [...]
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7:04
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Hack a Day
Instructables user [Jan] likes to keep close tabs on his computer’s memory usage, but wanted something more interesting to look at than the standard resource manager. He preferred to have an external display available that would show his computer’s status with a quick glance, and thus this system monitor was born. His status panel contains [...]
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8:00
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Hack a Day
[Frank], like many people, has a soft spot in his heart for the Commodore 64. He prefers to play his C64 games on his computer nowadays, but likes using his old school Competition Pro rather than some modern controller with remapped buttons. The only problem with using the controller is that his new computer doesn’t [...]
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5:01
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Hack a Day
[Hasith] sent in this project where he goes through the process of designing a one instruction CPU in Verilog. It may not win a contest for the coolest build on Hack A Day, but we really do appreciate the “applied nerd” aspect of this build. With only one instruction, an OISC is a lot simpler [...]
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13:36
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Hack a Day
[Bill's] worked on his homebrew computer for almost a decade. He didn’t start with a Z80 processor like a lot of the projects we’ve seen, but instead build the CPU itself from 74-series TTL chips and a ridiculous amount of wire wrapping to connect it all. The video after the break shows off the functionality. [...]
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7:02
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Hack a Day
[James] built himself a robotic band from obsolete computer parts. The band needed something to play, and [Marilyn Manson]‘s Beautiful People fit the bill. While it’s not the Rock-fire Explosion, having the [James]‘ band cover [Marilyn Manson] is nearly as terrifying. [James]‘ original plan was to cover Mad World, but the stepper motors were drowning [...]
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10:30
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Hack a Day
There’s something quite satisfying about building your own computer. Nowadays, constructing your own desktop PC is relatively easy, so if you really want to get your hands dirty, you have to take a step back in time and give some vintage hardware a spin. [YT2095] has spent a good portion of the last two months [...]
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15:01
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Hack a Day
The folks at Evil Mad Scientist Labs just put up a post on the giant mechanical binary computer they brought to last month’s Maker Faire. As a faithful reproduction of the Digi-Comp II from the 1960s, every operation is powered by balls falling onto levers. Unlike the original, the larger version is powered by billiard [...]
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6:01
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Hack a Day
[Michael Chen] found himself in possession of a thoroughly broken laptop. The hinges connecting the screen to the body of the computer were shot, and the battery was non-functional. After a bit of thinking he decided that it wouldn’t take much to resurrect the hardware by turning it into a desktop machine. At the core of this [...]
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12:42
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Hack a Day
If you think that your water cooled rig is pretty sweet, check out this creation by Dutch PC enthusiast [Peter Brands] (Google Translation). With his computer tweaked as far as he could imagine, he decided to spruce up his office a bit. In the process, he ended up tweaking his computer just a little bit [...]
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18:37
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Packet Storm Security Recent Files
This file documents law enforcements provision related to computer security that the white house is trying to get put into place. It mandates a minimal 3 year sentence for any hacker that damages critical infrastructure.
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18:37
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Packet Storm Security Misc. Files
This file documents law enforcements provision related to computer security that the white house is trying to get put into place. It mandates a minimal 3 year sentence for any hacker that damages critical infrastructure.
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4:02
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Hack a Day
[Ameres Valentin] writes in to let us know about his DIY particle accelerator model. The model, made mostly out of old computer stuff, mimics a linear high-energy particle accelerator which use drift tubes to toss particles around. Drift tubes work by first attracting a particle (in this case, ball bearing) until it crosses a charged [...]
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4:16
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Hack a Day
Due to computer issues I had to rob some parts from my “electronics” computer, which wasn’t bad, since I was not working on anything at the time and I felt a software project itch. I also wanted to do something with my Apple //c, which resides on my computer desk, so this ghetto brute force [...]
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13:01
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Hack a Day
How this one missed us, we’ll never know. [GG] built himself a retro-styled Z80 nanocomputer over two years using all 1980′s tech. Laid out on one of the largest pieces of perfboard we’ve ever seen on a project, the computer uses a vintage Z80 CPU running at 2.5MHz, 8K ROM, 16K RAM, RS-232 and Parallel [...]
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12:09
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Hack a Day
Take a moment to think about how many old or damaged computer motherboards you have tossed away over the years. Sure we try to repurpose everything we can, but reclaiming electronic components from complex devices can be overly time consuming if you don’t have the proper means of doing so. Ideally, if we were to [...]
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5:05
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Hack a Day
In 2009, [Dr. Stefan Savage] and his fellow researchers published a paper describing how they were able to take control of a car’s computer system by tapping into the CAN Bus via the OBD port. Not satisfied with having to posses physical access to a car in order to hack the computer system, they continued [...]
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12:01
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Hack a Day
[Mark Fickett] finished his own interesting take on a bicycle computer. These wristwatch-sized devices normally mount to the handlebars and give feedback for current speed, trip distance, and many have options like cadence and heart rate. [Mark's] has fewer features but it’s clean, simple, and does more than you’d think. He used some denim to [...]
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10:15
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Hack a Day
When prototyping a project using an Arduino, there are a few things that are pretty much required equipment. A computer for generating sketches is typically one of those things, but [Adam] over at Teague Labs is looking to change all that with his current project, the Computerless Arduino. Instead of using a computer to alter [...]
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14:12
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Hack a Day
This analog computer can multiply, divide, square numbers, and find square roots. It has a maximum result of ten billion with an average precision of 2-3%. [Miroslav's] build recreates something he saw in a Popular Electronics magazine. It uses a resistor network made up of three potentiometers with a digital multimeter is an integral part [...]
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14:00
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Hack a Day
Well, no. Many of us who went to school and have degrees in various computer related fields instantly think of ENIAC as the first “computer”, but we’re all wrong. We know some of you are already familiar with the Atanasoff-Berry computer, and we are too… now. However, when we learned about it, it was long [...]
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14:00
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Hack a Day
We’re not sure whether to call this an Etch-a-Sketch upgrade or a computer interface downgrade but either way it’s unique. [Martin Raynsford] added a familiar red frame to his computer monitor with classic white knobs that control horizontal and vertical cursor movement. There’s even the click option by pressing the buttons in and, as you can see [...]
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12:00
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Hack a Day
Remember when CGA came out and made monocrome monitors look horrible? Well CGA is crap, VGA is where it’s at. Wait… weren’t there a couple of standards in between those two? Take a walk down memory lane and relive the evolution of computer display technology. You’ll start with displays that are more or less CRT [...]
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17:08
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Packet Storm Security Exploits
Computer Associates ARCserve D2D r15 Web Service Apache Axis2 world-accessible servlet code execution vulnerability proof of concept exploit.
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17:08
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Packet Storm Security Misc. Files
Computer Associates ARCserve D2D r15 Web Service Apache Axis2 world-accessible servlet code execution vulnerability proof of concept exploit.
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9:00
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Hack a Day
Gather round and hear the story of how a hacker outsmarts a criminal. [Zoz] was robbed and they got his desktop computer. Gone, right? Nope. Because of a peculiar combination of his computer’s configuration, and the stupidity of the criminal, he got it back. He shares the tale during his Defcon 18 talk (PDF), the [...]
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12:00
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Hack a Day
[Peter Skaarup's] been re-living the past by playing old-school games in DOSBox. He’s using a mouse as the controller but longed for the auto-fire button that many joysticks used to have. Instead of looking around for a gamepad with this feature he decided to add an auto-fire button to the mouse. He incorporated a PIC 10F200, along with [...]
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5:00
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Hack a Day
[Matt Sarnoff] is designing his own 8-bit computer from scratch. This means not only designing the hardware but also writing his own kernel and custom libraries. Since we last saw this 8-bit machine hes added both video and sound output which has allowed him to start developing some software for his computer (see it play Conways game [...]
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7:28
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Hack a Day
This is Zusie, a computer built out of electromechanical relays. [Fredrik Andersson] picked up a lot of about 100 telephone exchange circuit boards, each with about 16 relays on them. After getting to know a heat gun really well he ended up with 1500 working relays with which to play. The machine runs slowly, it [...]
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13:51
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Hack a Day
We’re rather surprised at how popular it has become to build your own motorcycle computer. [Mario Mauerer] tipped us off about his shiny motorcycle computer (translated) for his Yamaha XTZ 750. It uses an ATmega644 microcontroller to pull a variety of data together and display it on this white LED backlit display. He connected a [...]
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11:00
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Hack a Day
This contraption lets you decorate your cake at the push of a button. It’s a stretch to call it computer aided as this is purely a mechanical monster, but we still enjoy the apparatus and see its CNC potential (we’re still waiting for that pizza printer to hit the market too). An icing syringe has [...]
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11:00
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Hack a Day
[SXRguyinMA] built a replacement top bezel for his computer case. He wanted to add vents that would automatically open or close based on the cooling needs of the computer. With some careful measurements he modeled the parts in Sketchup and sent out for them to be cut from styrene with a water jet cutter. The [...]
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5:34
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Hack a Day
[Enigma-penguin] built a tablet computer out of a Core2Duo Macbook circa 2007. The battery exploded, damaging the case and a few components inside. But there was hope for a new life as a tablet computer. He removed the screen and tested to make sure the computer would still function without it by using the video [...]
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12:00
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Hack a Day
This is an 8-bit computer and Famicom clone that [133MHz] bought for $2. It plays Nintendo games and using an 80-in-1 cartridge it has a rudimentary operating system and set of applications. Seeing a standard DB25 port on the back [133MHz] wondered if he could make the system talk to a printer. His first step [...]
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13:00
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Hack a Day
[Ben's] added some nice goodies to his Volvo in the form of an in-dash computer. The system monitors two pressure sensors for boost and vacuum, as well as reading RPM, O2, and exhaust directly. All of this is tied into the touch interface running on an eeePC 900A. But our favorite feature is that the [...]
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9:58
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Hack a Day
This 64×48 full color LED display goes much further than we expected at first glance. The display is actually a computer with a Zilog eZ80F91 core utilizing an FPGA for the hardware interface. Some nifty applications currently built include mostly games, but there is also visualizations, network file systems, video streaming, and even a MIDI [...]
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5:13
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Hack a Day
[Jack Toole] and his team [Aaron King] and [Libo He] sent in their computer interface dubbed the Chronos Flying Mouse. The video above explains the concept very thoroughly, but we’ll reiterate some of the highlights here. The project uses a Chronos EZ430 with its accelerometers to wirelessly transmit delta positions of the user’s wrist. Add [...]
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14:24
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Hack a Day
This computer can be mounted in any standard light bulb socket. It uses a pico projector combined with a camera to generate a touch display wherever you shine it. The photo above and the video after the break show the bulb in a motorized lamp arm but that’s just smoke and mirrors, the bulb itself [...]
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11:00
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Hack a Day
[Jason Statham] [Martin Magnusson] wrote in to tell us about his adventure in building a wearable computer. The device in its current state is a Beagleboard running Angstrom Linux tethered to an iPhone for internet. A bluetooth keyboard allows for input, while output is displayed on monocle-ized Myvu. And last but not least, the entire [...]
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12:28
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Hack a Day
[Kurt's] scooter computer started off as a way to use a couple of LEDs to show the battery charge on his hog. It was based on a Arduino and used a voltage divider to judge how much juice was left. But then he ran across a touch-screen OLED shield for the Arduino and the project [...]
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9:00
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Hack a Day
Indeed, the gizmo above is meant to be used as a gas pedal. [Grant Skinner] came up with the idea to control slot cars using an Android phone as a gas pedal. He coded the software for the handset and a computer using Adobe AIR. Once connected, the computer is sent the accelerometer data from [...]
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4:54
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SecDocs
Authors:
Robert Clark Tags:
law Event:
Source Conference Boston 2010 Abstract: This presentation reviews the important legal opinions and law review articles of the past year that affect privacy as it relates to the internet and computer network operations. We will review the cases and legal commentaries on those issues that most affect your conduct and business operations. This presentation is strongly audience driven and it quickly becomes an open forum for questions and debate. This year the past key precedents have involved: work place monitoring and searches; compliance with State data breach laws and jurisdiction; employer's right to monitor their computer network systems and employees' rights; acceptable use policies; banners; user agreements; personally identifiable information and IP addresses; what is personally identifiable information; privacy and social networks; privacy rights in information turned over to a third party; theft of proprietary information and the CFAA; and, web site policies and notice.
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5:36
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remote-exploit & backtrack
HI,
I'm in a network and every computer have windows xp sp3 installed with ie8 and there is no antivirus on the systems and windows firewall in enable.
I need to hack one of the computer and get shell from it and I am in a hurry to do that.
Can someone please tell me how can I do that using metaexploit.I have metaexploit v 3.3.3 and I use windows/smb/ms08_067_netapi and I use windows/shell/reverse_tcp payload but when I run exploit it crashed and disappeared by the way I choose the target windows xp sp3(number 4).
I use nmap and checked the target and I find out that these ports is open:80,139,135,445.
Please help me,I'm in a hurry.should I upgrade my metaexploit to a newer version?
I need help i's urgent
Thanks
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11:00
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Hack a Day
Instead of building a $500 iPad into a cabinet [Gojimi] used the old hardware he had lying around to building this kitchen computer. He did buy a few items such as a used touchscreen and a bar code scanner but the 2 GHz computer was just collecting dust. It’s running Windows XP, talks to you [...]
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11:00
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Hack a Day
[Mitchel Humpherys] and his fellow developers didn’t just develop a maze-solving algorithm, they also built a ping-pong ball maze platform that is computer controlled. Using a webcam the computer picks up the high-contrast maze by peering down from above, calculates the solution, and moves the ping-pong ball to the goal using two different tilt servos [...]
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10:00
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Hack a Day
[Matlo] posted a tutorial that will walk you through setting up a six-axis controller emulator. In April he developed a hardware solution using the Teensy but this version just needs a Linux computer with a Bluetooth adapter. If you don’t mind adding a computer to the mix you can use any peripheral controller that will [...]
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10:04
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Hack a Day
[Sprite_tm] dusted off his assembly skills and managed to emulate a Z80 computer using an AVR ATmega88. He’s using an SD card in place of the floppy and a 128 KB DRAM chip to handle the memory for the emulated machine. An FT232 board gives him terminal access which he uses for input and display. [...]
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12:00
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Hack a Day
The Altair computer is commonly considered the genesis of personal computing and for that reason it has a special place in the hearts of many. [Bob Alexander] brings back the glory of the Altair 8800 plus a lot of added computing power. This PC case houses a Core i5 system but the front panel isn’t [...]
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10:34
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remote-exploit & backtrack
If I am running fakeAP on one computer, would I be able to connect to it from another computer? and would that computer be on the same network?
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15:05
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remote-exploit & backtrack
so that my computer as for my mac address does not appear on the routers DHCP table or any other data logs.
Thanks in advance.
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13:00
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Hack a Day
Are you still using heat sinks and fans to cool your computer? Lame. Tearing up your property to bury geothermal coils is definitely the way to go. [Romir] has been working on this for about a month and is just getting back data from the first multi-day tests. Take some time to dig through his [...]
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8:35
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Hack a Day
This device can jailbreak an iPhone. It doesn’t require a computer and it can either reboot a phone that was one-time-boot jailbroken using the blackra1n exploit, or jailbreak a factory fresh unit. We wouldn’t say this solves the tethering problem caused by blackra1n (needing to return to a computer to reboot the phone), but it [...]
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13:56
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Packet Storm Security Misc. Files
Call For Papers for EC2ND - The sixth European Conference on Computer Network Defense (EC2ND) will be held at the Faculty of Electrical Engineering and Computer Science at Berlin Institute of Technology (TU Berlin). The conference brings together researchers from academia and industry within Europe and beyond to present and discuss current topics in applied network and systems security. It will occur from October 28th through the 29th, 2010 in Berlin, Germany.
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13:56
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Packet Storm Security Recent Files
Call For Papers for EC2ND - The sixth European Conference on Computer Network Defense (EC2ND) will be held at the Faculty of Electrical Engineering and Computer Science at Berlin Institute of Technology (TU Berlin). The conference brings together researchers from academia and industry within Europe and beyond to present and discuss current topics in applied network and systems security. It will occur from October 28th through the 29th, 2010 in Berlin, Germany.
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15:06
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remote-exploit & backtrack
so i cracked a wep with bt4 and is right and all but now i try to connect with my laptop ( the computer i cracked the wep key with ) and it doesn't ask me for the wep it just says troubleshoot etc BTW I'm using windows 7 ultimate 64-bit if that makes any difference.
I tried it on another computer and i can connect fine so I don't know what's going on it doesn't even asks me for the wep key... If anyone knows whats going on or you need more info I can provide.
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5:55
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remote-exploit & backtrack
Ist das ein gutes Angebot?
hxxp://cgi.ebay.de/ALFA-NETWORK-AWUS036H-1000mW-WLAN-USB-5dBi-antenna_W0QQitemZ250559645826QQcmdZViewItemQQptZDE _Computer_Peripherie_Netzwerk?hash=item3a5684c882
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8:06
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Hack a Day
Before we get started, lets just point out that this C64 was broken. He did not take a functional C64 out of operation for this. What he did do, was to build a hardware interface for for his VICE system. For those unfamiliar, VICE is a cross platform C64 emulator. [Simon] points out that the [...]
