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72 items tagged "way"
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11:01
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Hack a Day
This flying microscope is a tool which [Darrell Taylor] can be very proud of. He wanted to have an inspection microscope for working with surface mount projects. He got his hands on a binocular version for a song and dance because it came without a stand. Initially he built a simple rig but if it [...]
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5:01
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Hack a Day
Depending on how you view them, red light cameras are a great way to get people to drive carefully, or an utter nuisance. We agree with the latter opinion, as does [Dave], so he built a handy little device that alerts him when he’s about to approach one of these intersections. His Red Light Camera [...]
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21:44
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SecDocs
Authors:
Kay Hamacher Tags:
privacy Event:
Chaos Communication Congress 28th (28C3) 2011 Abstract: In his now (in)famous pamphlet "Conspiracy as Governance" Julian Assange (JA) argues about the need for leaking as an efficient way to destroy "unjust" groups as the neo-feudalistic ones - luring the conspiracy theory leaning hacker community into his belief system. Eventually, JA used a biologistic argument on the benefits and drawbacks that uncontrolled leaking might pose for "just" and "unjust" systems, arriving at the conclusion that "unjust" systems are hurt more and thus will be less viable, essentially being destroyed by more "just" systems. While an innovative proposal, the underlying assumptions on complexity, network theory, and especially the evolutionary perspectives were never critically assessed. Some blogs and media raised questions on details and potential threats to innocent bystanders. Still, fundamental problems with the philosophy were never addressed. This paper argues against the general validity of such theories. In particular, we will refute some of the biologistic arguments. Theoretical biology has long ago pointed out the hidden complexity in evolutionary processes and as such the envisioned "leaking revolution" might be a limited artifact: there might even arise situations where the leaking envisioned and encouraged by Wikileaks and the like can actually strengthen some "conspiracies". In this paper I will describe some research questions, that should be answered before given the “leaking philosophy” an unconditioned “thumbs-up”. Empirically, for example, a potential strengthening is illustrated by the rise of a 'neo-feudalistic economy', which is linked closely to the paradigm of "intellectual property" as it is to the security-financial-political complex. The players have effectively created a closed network or a "conspiracy" and might be resilient towards Wikileaks-like attacks. The paper concludes with an alternative to that proposal; in particular, a way to deal with the 'conspiracy' that might be coined the rise of the neo-feudalistic society (which in itself is a self-sustainable, self-amplifying feedback loop, not necessarily a conscious conspiracy).
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21:44
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SecDocs
Authors:
Kay Hamacher Tags:
privacy Event:
Chaos Communication Congress 28th (28C3) 2011 Abstract: In his now (in)famous pamphlet "Conspiracy as Governance" Julian Assange (JA) argues about the need for leaking as an efficient way to destroy "unjust" groups as the neo-feudalistic ones - luring the conspiracy theory leaning hacker community into his belief system. Eventually, JA used a biologistic argument on the benefits and drawbacks that uncontrolled leaking might pose for "just" and "unjust" systems, arriving at the conclusion that "unjust" systems are hurt more and thus will be less viable, essentially being destroyed by more "just" systems. While an innovative proposal, the underlying assumptions on complexity, network theory, and especially the evolutionary perspectives were never critically assessed. Some blogs and media raised questions on details and potential threats to innocent bystanders. Still, fundamental problems with the philosophy were never addressed. This paper argues against the general validity of such theories. In particular, we will refute some of the biologistic arguments. Theoretical biology has long ago pointed out the hidden complexity in evolutionary processes and as such the envisioned "leaking revolution" might be a limited artifact: there might even arise situations where the leaking envisioned and encouraged by Wikileaks and the like can actually strengthen some "conspiracies". In this paper I will describe some research questions, that should be answered before given the “leaking philosophy” an unconditioned “thumbs-up”. Empirically, for example, a potential strengthening is illustrated by the rise of a 'neo-feudalistic economy', which is linked closely to the paradigm of "intellectual property" as it is to the security-financial-political complex. The players have effectively created a closed network or a "conspiracy" and might be resilient towards Wikileaks-like attacks. The paper concludes with an alternative to that proposal; in particular, a way to deal with the 'conspiracy' that might be coined the rise of the neo-feudalistic society (which in itself is a self-sustainable, self-amplifying feedback loop, not necessarily a conscious conspiracy).
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15:18
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SecDocs
Authors:
Kay Hamacher Tags:
privacy Event:
Chaos Communication Congress 28th (28C3) 2011 Abstract: In his now (in)famous pamphlet "Conspiracy as Governance" Julian Assange (JA) argues about the need for leaking as an efficient way to destroy "unjust" groups as the neo-feudalistic ones - luring the conspiracy theory leaning hacker community into his belief system. Eventually, JA used a biologistic argument on the benefits and drawbacks that uncontrolled leaking might pose for "just" and "unjust" systems, arriving at the conclusion that "unjust" systems are hurt more and thus will be less viable, essentially being destroyed by more "just" systems. While an innovative proposal, the underlying assumptions on complexity, network theory, and especially the evolutionary perspectives were never critically assessed. Some blogs and media raised questions on details and potential threats to innocent bystanders. Still, fundamental problems with the philosophy were never addressed. This paper argues against the general validity of such theories. In particular, we will refute some of the biologistic arguments. Theoretical biology has long ago pointed out the hidden complexity in evolutionary processes and as such the envisioned "leaking revolution" might be a limited artifact: there might even arise situations where the leaking envisioned and encouraged by Wikileaks and the like can actually strengthen some "conspiracies". In this paper I will describe some research questions, that should be answered before given the “leaking philosophy” an unconditioned “thumbs-up”. Empirically, for example, a potential strengthening is illustrated by the rise of a 'neo-feudalistic economy', which is linked closely to the paradigm of "intellectual property" as it is to the security-financial-political complex. The players have effectively created a closed network or a "conspiracy" and might be resilient towards Wikileaks-like attacks. The paper concludes with an alternative to that proposal; in particular, a way to deal with the 'conspiracy' that might be coined the rise of the neo-feudalistic society (which in itself is a self-sustainable, self-amplifying feedback loop, not necessarily a conscious conspiracy).
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22:44
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SecDocs
Authors:
Eric Filiol Seun Omosowon Tags:
Tor Event:
Chaos Communication Congress 28th (28C3) 2011 Abstract: This talk deals with weaknesses identified in the TOR network protocol and cryptography implementation. We manage to take control over users using this network and to access all your information and data exchanged despite cryptography. The TOR network is one of the most famous way to use Internet in a anonymous and secure way at least supposedly. Tor client software routes Internet traffic through a worldwide volunteer network of servers in order to conceal a user's location or usage from someone conducting network surveillance or traffic analysis. Aside protocol-oriented aspects, TOR security relies heavily on cryptography. The aim of this talk is to explain how it is possible to take over a significant part of the TOR network not to say over the whole network. We have identified two classes of weaknesses in the way Onion routers (Ors) are managed: a first class of weaknesses relates to the way the routes among Ors. It is possible to influence and to force users to use arbitrary Ors and hence control which route they take. A second class of weaknesses relates to the way cryptography is implemented. Bu using malware-based attacks and the concept of dynamic cryptographic backdoors we have succeeded to circumvent the cryptography in place without removing it. We present different possible attack scenarii which are malware-based or not (depending on the scenario considered) that have been experimented and validated on a TOR simulation network of 50 nodes and partially on the real TOR network (as far as it was possible regarding existing laws). We show that it is indeed possible to gain a lot of sensitive information thus bypassing and managing existing cryptographic mechanisms in a very efficient way and to take the effective control over a significant part of the TOR network. The attack is fully dynamic and can be replayed on request. We present an open source library that enable to automate the identification of hidden relay bridges. We propose some modification in the TOR source and protocol in order to prevent those attacks. Demos will be presented to expose the two class of vulnerabilities we exploit. An Internet access is required to make part of the demos on the real TOR network.
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16:16
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Hack a Day
If you know your way around a pool table you should be able to apply those skills to improving the sound of your home theater. [Eric Wolfram] put together a post that discusses the issues caused by unwanted sound reflections and shows how to position acoustic tiles to solve the problem. This is a companion [...]
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12:02
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Hack a Day
[Adrian Bowyer] just posted his progress with multicolored printing to the RepRap blog. The new developments are a continuation of [Adrian]‘s experiments with a mixer extruder that squirts four different colored filaments out of the same nozzle. [Myles Corbett] took this idea and ran with it producing the two-color print seen above. To squirt two different colored [...]
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14:02
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Hack a Day
The Swiss plan to clean up the near-space environment. They just announced a debris removal device which they plan to launch in three to five years. The first goal of the program is to scoop up two satellites. Both of them are Swiss owned, but there’s something very James Bond like that pops into our heads [...]
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12:36
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Hack a Day
Flashlights are so 20th Century. Be it the incandescent type that popped up very early on, or LED models with came around in the 90′s, there’s not much excitement to the devices. But [Sriranjan Rasakatla] is doing his best to change that. This is his WAY-GO Torch, an intelligent flashlight (a Smart Light?) that will [...]
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11:00
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Hack a Day
Want to monitor how much a wheel has turned in your project? Then you need a rotary encoder! Here’s a way to add rotary encoding without changing the mounting method of your wheels (translated). [Jorge] added it as a way to improve the functionality of this line-following robot. It uses a paper encoder wheel which is [...]
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7:00
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Hack a Day
[Andrew] shows us one way to reuse all those strands of Christmas lights you used for decoration this year. He had a friend that was helping with stage props for a local musical and ended up using his skills to build a lighted sign with some animation capabilities. The original plan was to cut out [...]
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5:01
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Hack a Day
It’s that time of year again where the thermometer drops, the sun sets earlier, and we try to warm our hearts with the solstice festival that is common in our own respective cultures. Of course we all need a few strings of lights, but wouldn’t it be great if we had PWM controlled dimmable lights? When [...]
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14:01
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Hack a Day
[Jamie Mantzel] figured out his own way of 3D printing large objects without fear of warping. First a bit of background information. When using a 3D extrusion printer like the RepRap or Makerbot, prints that span a large area tend to warp. That’s because these printers lay down one thin layer of plastic at a [...]
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13:01
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Hack a Day
[Oliver] had an old NES controller laying around, and without any other use for it, he decided to repurpose it as a portable storage device. He gutted most of the controller, removing the plastic standoffs, leaving the D-pad and remaining buttons intact. He crammed a 32 GB flash drive inside, along with the guts from [...]
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9:01
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Hack a Day
You might want to store information from a multimeter to be graphed over time. This comes with pretty much all of the high-end professional models. But if you buy a super cheap meter you can bet this isn’t an option. [Jazzzzzz] has found a way to pull the data from a $4 meter via RS232. [...]
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16:01
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Hack a Day
[Todd Harrison] needed a way to run a 12 volt PC fan from mains voltage. Well, we think he really just needed something to keep him occupied on a Sunday, but that’s beside the point. He shows us how he did this in a non-traditional way by using the resistive load of an incandescent light [...]
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6:01
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Hack a Day
So you’ve got a $40k+ RED Epic video camera and you need to get it from all the way down here to all the way up there. Sure, you could rent an expensive crane and take your shots from above that way, but why bother with that when you can fly instead? German video effects [...]
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7:01
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Hack a Day
Don’t you hate that feeling, the one you get when you have just realized that you have no clue where you may have left your keys? If you are unlucky enough to have lost them in a public place, odds are they are as good as gone. Pumping Station One member [celtwolf] thought it would [...]
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15:25
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Hack a Day
It’s always interesting to see new and innovative means of robot locomotion. At the recent “Innovation Japan 2011” conference researchers from Osaka University unveiled the Omni-Crawler, which is aimed at changing the way both robots and people move. The Omni-Crawler’s movement is provided by Omni-Balls, an Osaka University creation that moves in all directions, not [...]
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16:07
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Hack a Day
One of [Wayne’s] relatives had their house robbed during a blizzard/extended power outage, and as is typically the case, none of the stolen items were recovered. His nephew’s PS3 was among the pilfered belongings, which didn’t sit well with him. Taking a cue from police “bait cars”, he thought it would be cool to fit [...]
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12:00
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Hack a Day
[Doug Paradis] found a simple way to use dials instead of hands on a clock. Actually, that’s pretty much the entire hack… use dials instead of hands. He grabbed a battery-operated clock movement from the hobby store, then printed out one dial for hours, another for minutes, robert’s your mother’s brother, and you’ve got a [...]
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9:14
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Hack a Day
Halloween’s on its way and we want to remind you to get started early so you can show us what you’ve got in store for the little ones this year. [Pete] already finished a simple project to spice up the bushes in front of his house. His trio of glowing and blinking eyes will make [...]
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13:01
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Hack a Day
If you have had it with persistent weeds that seem to come back no matter what you do, here is an ‘environmentally friendly’ way to kill them off permanently. By using a probe charged with 2400 Volts, [Jack] shows how you can conduct the electricity through the plant and all the way down into its [...]
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12:01
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Hack a Day
[Rui] needed an easy way to play music in several different zones from one centralized location, but he didn’t want to run any new wiring in the process. He figured that the best way to do this would be to stream his music directly to his speakers over Ethernet. Earlier this year, he put together [...]
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13:30
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Hack a Day
Here’s an intense hack that lets [Matt Evans] play Game Boy Advanced on a larger LCD monitor. He didn’t take the easy way out during any step of the process. He’s using an FPGA to translate the LCD signals from the GBA hardware into a 1280×960 picture that is then pushed to the large monitor. [...]
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6:06
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Hack a Day
Here’s another “useless machine” variant. The trick to this one is that it has dual “fingers” and can work either way. Which way it turns off is selectable via a switch on the side, and the fingers can both be turned on to “fight” each other. Check out the video here. This video depicts the [...]
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11:20
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Hack a Day
[PJ Allen] built a meter to display gravitation force in an easy to read way. Good thing it’s easy to read, because he’s added it to the dashboard of his car. That way he gets instant feedback when he puts the pedal to the metal. We’re hoping this encourages safe driving practices. But since it [...]
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4:35
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Hack a Day
Finally, there’s a way you can feel like a real bad-ass while you’re formatting those TPS reports. It’s all thanks to this computer mouse built inside the skull of a dog. [Shannon Larratt] dug through his collection of skulls and came up with this one because it fits nicely in the palm of your hand. [...]
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14:02
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Hack a Day
While some people can rely solely on memory and landmarks to find their way home, others need a bit more help. Consider Instructables user [_macke_] for instance. Like other screenless GPS navigation devices we have seen, his “Find Home Detector” uses a GPS module to obtain his location, guiding the way home via a set [...]
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10:09
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Hack a Day
While we’re all for building circuits on protoboard or constructing a deadbug circuit for a last minute project, it’s always nice to see a proper PCB now and again. We think that leftover flux can sometimes make even the nicest of circuit boards look a bit dingy, and Hackaday reader [RandomTask] wholeheartedly agrees. He wrote [...]
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15:01
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Hack a Day
[Jim] has been working with a team from various Universities to develop an intuitive way to guide and train assistance robots. They focused on one particular technique, training a robot to follow on a leash in the same way you would a pet dog (PDF). He was inspired to send in a link to his research [...]
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7:25
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Hack a Day
[Underling] sent in his bristlebot project that aims to put a new spin on controlling bristlebot movement. We have seen several attempts at bristlebot directional control in the past, but none of these methods really fit what he wanted to do. His goal was to use a single brush rather than two, and be able [...]
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11:46
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Hack a Day
Here’s an artsy way to map out WiFi networks around you; use a big light pole and long exposures to graph them on top of photographs. This capture method is often called light painting, and uses the relative brightness of LEDs to stretch out a still image – moving the stick quickly while the shutter [...]
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7:05
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Hack a Day
[James] came up with a way to make small numbers of high-contrast instrument panels cheaply, and without too much labor. We’ll make with the bad news right away; you’re going to need a laser cutter to use this method. Traditionally, panels that look like the one above are etched onto special composite that has one [...]
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10:10
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Hack a Day
[Johnny Chung Lee], having recently moved from Seattle to Mountain View, wanted a way to keep in touch with his fiancé who would not be relocating for several more months. While most of us would likely consider purchasing a pair of web cams to keep in touch, he decided to do things his own way. Using [...]
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13:00
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Hack a Day
We know way too little about this subject but hopefully [Bob4analog] helped us learn a little bit more this time around. He’s building his own linear amplifiers on what looks like sheets of MDF. This is an evolving design and the two videos after the break show two different iterations. He’s salvaged several components, like [...]
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11:34
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Hack a Day
[Maris] wanted a way to read measurements from a digital caliper electronically. He ended up using the TI Launchpad to accomplish this, but not all of the necessary hardware is seen above. The calipers cost him about $7 on eBay, and they have four interface pins which made this hack quite a bit easier. After [...]
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12:12
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Hack a Day
[Ken] found that using traditional tweezers is a good way to lose tiny surface mount parts and so set out to make his own vacuum tweezers (PDF). He already had a small aquarium pump that he used as a bubbler for etching circuit boards. After opening up the case he found it was possible to [...]
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7:46
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Hack a Day
Ok, you’ve finished your project, you’ve taken great notes along the way and photographed every step. Now you want to share. Where will you post it? There are a lot of options out there, private hosting, Hackaday, instructables, and tons of others. How can you decide? Here are some handy break downs to help you [...]
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8:35
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Hack a Day
[Brent] and his wife wanted a way to provide more family time for Grandparents that lived far away. They tried a webcam, but their daughter just didn’t oblige by staying in the frame. Instead of chasing her around the room with with the camera he added pan and tilt features to the device. He settled on [...]
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13:00
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Hack a Day
[Stephen Eaton] created an enclosure and shared his process in a pair of blog post. We thought is was amusing that he remarks on how rarely his projects get the to point that you’d want to make an enclosure for them. We’ve certainly got a lot of bare-PCB creations lying around. But when it does [...]
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22:01
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Packet Storm Security Tools
Evilgrade is a modular framework that allows the user to take advantage of poor upgrade implementations by injecting fake updates. This framework comes into play when the attacker is able to make traffic redirection, and such thing can be done in several ways such as: DNS tampering, DNS Cache Poisoning, ARP spoofing Wi-Fi Access Point impersonation, DHCP hijacking with your favorite tools. This way you can easy take control of a fully patched machine during a penetration test in a clean and easy way. The main idea behind the is to show the amount of trivial errors in the update process of mainstream applications.
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11:00
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Hack a Day
This setup helps to represent data in a meaningful way to for visually impaired people. It uses a combination of physical objects to represent data clusters, and audio feedback when manipulating those objects. In the video after the break you’ll see that the cubes can orient themselves to represent data clusters. The table top acts [...]
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13:10
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Hack a Day
Old timey pics with a new timey camera Update: We’ve already looked at this one… see the full article for all the details. One way to get old-looking photographs is to use a vintage camera. Then again you can just connect a 1908 lens to a modern dslr with great results. [Thanks MS3FGX] Cheap iPad mounting [...]
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6:34
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Hack a Day
Why bother interconnecting 40 Propeller microcontrollers one on top of the other? For the power that comes from parallel processing of course! [Humanoido] put the setup together for a total of 1280 ports, 640 counters, and more all running at 6.4 billion instructions per second for the low low price of 300-500$ by our count. [...]
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13:00
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Hack a Day
[Ben Kurtz] is doing a little WEP cracking but in a bit of a different way than we’re used to. WEP cracking makes us think of war driving; driving around with your laptop open, looking for WiFi access points, and stopping to run some software when you find them. [Ben's] way is similar but different [...]
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7:00
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Hack a Day
Halloween is rapidly approaching. This is just a reminder to you all to send in your Halloween hacks now so that we can all see them and steal your ideas get inspiration for our own projects. We’ve seen fantastic stuff in the past from motorized pumpkins to costumes that are simply awe-inspiring. Take a few [...]
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15:01
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Hack a Day
How often does this happen to you? You’re leaving on a long trip, and half way there you remember the TV was left on. Never? Alright then, how about wanting to control an Xbox 360 from within the other room and you don’t have the remote. Still a rare occurrence? Perhaps you have a better [...]
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11:42
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Hack a Day
[Brandon Wilson] came up with a way to exploit the Play Station using a TI84 calculator. This uses the same PSGroove open source code that we looked at last week. That package was running on the Teensy, which is currently sold out (we’d guess because people want to run the exploit). There’s a video demonstration [...]
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8:28
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Hack a Day
Here’s an interesting way to fill the second seat on your tandem bicycle. It seems no one ever wants to be the stoker, so this gentleman decided to build his riding partner. JouleS powers the bicycle from the back using the same motions a human would. It’s not the easiest way to make an electric [...]
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9:09
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Hack a Day
[Alex] had an old FM radio tuner card come his way. It used an ISA connector, a standard that went the way of the dodo in the mid-nineties. With the challenge of implementing an ISA-bus to configure the card he set out on his mission. What he came up with is a working radio using [...]
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6:02
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Sophos product advisories
With the release of Endpoint Security and Control version 9.0.5 (April 2010) and Sophos Anti-Virus version 7.6.20 (May 2010) we are changing the way in which version numbers are applied to monthly updates.
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9:00
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Hack a Day
The days of plugging coins into a stand up arcade game are sadly dwindling. [Dirk] figured out a way to prolong the nostalgia by incorporating currency back into the experience in a useful way. He rebuilt the video game Raiden to pay out a prize when you win the game. Now it takes a coin [...]
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9:00
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Hack a Day
While looking for a way to injure his neck and live in the World of Warcraft all at once, [Gavan Woolery] came up with the idea for this virtual reality setup. That monitor, residing just inches from his eyes, is putting out 1080p at 120Hz. His plan is to pair up the motion sensing seen [...]
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11:54
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remote-exploit & backtrack
i know this might sound pretty noobish to some of you professionals, but what is the best way to determine what exploits will work on a victim machine. i know nmap is good for finding ports but what is the method everyone uses to know what exploit to choose that will comply. i am running boxs with win xp sp2 and sp3 and my host with bt4 final.
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15:36
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Hack a Day
[Carl] sure has come a long way with laser modifications, now introducing his portable RGV Full Colour Laser. Although it feels just like yesterday when he showed us his green spiro and his Lego diffraction grating projector.
But enough of the past, the RGV laser is built using a White Fusion Mixing Kit and his own [...]
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7:37
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remote-exploit & backtrack
Hi there people,
I'm a newbie to the forums (fantastic forum by the way) and I'm having trouble with the ALFA AWUS036H 1000mw version (RTL8187L) picking up the WPA 4 way handshake. I've trawled the forum and google to no avail.
I've done the usual:
Airmon-ng start wlan0
Airodump start mon0
Select another computer on my home network and Deauth. I can see the Deauth'ing taking place in Airodump on the selected target and also succesfully running in Aireplay. I have also run the test in Aireplay just to make double sure (Injection Working).
I'm at a dead end on this and don't know if I've missed something really trivial or this is bigger problem - I've seen alot of posts mentioning trouble picking up the 4 way handshake and I just can't seem to get it working. :confused:
Any advice or help would be greatly appreciated :)
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18:00
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Packet Storm Security Recent Files
Mandriva Linux Security Advisory 2010-020 - A missing input sanitation flaw was found in the way gzip used to decompress data blocks for dynamic Huffman codes. A remote attacker could provide a specially-crafted gzip compressed data archive, which once opened by a local, unsuspecting user would lead to denial of service (gzip crash) or, potentially, to arbitrary code execution with the privileges of the user running gzip. An integer underflow leading to array index error was found in the way gzip used to decompress files / archives, compressed with the Lempel-Ziv-Welch (LZW) compression algorithm. A remote attacker could provide a specially-crafted LZW compressed gzip archive, which once decompressed by a local, unsuspecting user would lead to gzip crash, or, potentially to arbitrary code execution with the privileges of the user running gzip. Packages for 2008.0 are provided for Corporate Desktop 2008.0 customers. The updated packages have been patched to correct these issues.
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18:00
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Packet Storm Security Advisories
Mandriva Linux Security Advisory 2010-020 - A missing input sanitation flaw was found in the way gzip used to decompress data blocks for dynamic Huffman codes. A remote attacker could provide a specially-crafted gzip compressed data archive, which once opened by a local, unsuspecting user would lead to denial of service (gzip crash) or, potentially, to arbitrary code execution with the privileges of the user running gzip. An integer underflow leading to array index error was found in the way gzip used to decompress files / archives, compressed with the Lempel-Ziv-Welch (LZW) compression algorithm. A remote attacker could provide a specially-crafted LZW compressed gzip archive, which once decompressed by a local, unsuspecting user would lead to gzip crash, or, potentially to arbitrary code execution with the privileges of the user running gzip. Packages for 2008.0 are provided for Corporate Desktop 2008.0 customers. The updated packages have been patched to correct these issues.
1337day (was: Inj3ct0r, 1337db)
OSVDB Vulnerabilities
Exploit-DB
SecurityFocus Vulnerabilities
Bugtraq
XSSed
Penetration Testing
SecuriTeam
BackTrack Linux Forums
Threatpost
carnal0wnage.attackresearch.com
Carnal0wnage
Darknet
The Exploitant
Wirevolution
21:00