How The NSA Targets Tor
The Guardian has released new documents from Edward Snowden showing how the U.S. National Security Agency targets internet anonymity tool Tor to gather intelligence. One of the documents, a presentation titled "Tor Stinks," bluntly acknowledges how effective the tool is: "We will never be able to de-anonymize all Tor users all the time. With manual analysis we can de-anonymize a very small fraction of Tor users, however, no success de-anonymizing a user in response to a TOPI request/on demand." (Other documents: presentation 1, presentation 2.) The NSA is able to extract information sometimes, though, and Bruce Schneier details what we know of that process in an article of his own. "The NSA creates 'fingerprints' that detect http requests from the Tor network to particular servers. These fingerprints are loaded into NSA database systems like XKeyscore, a bespoke collection and analysis tool which NSA boasts allows its analysts to see "almost everything" a target does on the internet. ... After identifying an individual Tor user on the internet, the NSA uses its network of secret internet servers to redirect those users to another set of secret internet servers, with the codename FoxAcid, to infect the user's computer. FoxAcid is an NSA system designed to act as a matchmaker between potential targets and attacks developed by the NSA, giving the agency opportunity to launch prepared attacks against their systems." Schneier explains in a related article why it's important that we figure out exactly what the NSA is doing. "Given how inept the NSA was at protecting its own secrets, it's extremely unlikely that Edward Snowden was the first sysadmin contractor to walk out the door with a boatload of them. And the previous leakers could have easily been working for a foreign government."
I don't see the document talking about the security of nodes.
How is the safety of operating your own node?
Only a Soviet America will clean out the den of thieves and criminals that is the NSA, CA, etc.
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And this is exactly why you use TAILS. No fingerprints. Heck I have an exclusive machine for TAILS.
To point out weaknesses in the Internet for us, at least they're putting our hard earned tax payer money to good use. BTW, when do we get to switch to a IPv6 based Internet with IPSec enforced on all routes?
-- stoops
until it can monitor EVERYTHING. The end result of that will be CONTROL. Smart TVs? Built in cameras. How long until they start REQUIRING being monitored?
People often claim that the NSA is watching exit nodes, and can tie Tor traffic back to the users. This apparently claims the opposite.
So do we know for sure if this a real leak, or was this "leaked"?
John
To make a long story short, Tor warns about this in the site, if not with the exact words, anyone capable of watching outgoing traffic from a machine and incoming traffic to the destination server may be able to match both. Thinking that most internet traffic goes through the US, it not really a surprise they are able to do so. Saying they will *never* be able to de-anonymize all Tor users to me sounds like a trap, an attempt to make users feel safe, but instead might just be a computational power issue.
A few days ago a well known Tor developer was getting angry on Twitter because he thought the Guardian was holding back a story on Tor due to redacting requests and pressure from governments.
The presentations cited date from 2007. That's 6 years ago and tells us diddly squat about their current capabilities. All it tells us, really, is that in 2007 they had developed some working techniques in the lab, and were talking about the same kinds of attacks that were being discussed in public. It also tells us they use custom malware - but that was already revealed previously.
The Snowden files contain a complete copy of GCHQ's internal wiki. It seems highly unlikely that there is no further information on Tor after 2007. Rather, it feels like the British and American governments treat their capabilities against Tor as one of their most valuable secrets and applied significant pressure, the resulting compromise being "you can make a story about Tor, as long as it's based on old information that is no longer relevant".
Man, it's about time we had an American Spring... before it becomes impossible.
I'm no expert, but this doesn't feel right. I really can't explain it, so I won't even try...just feels like things are being "let loose" into the wild on purpose, as opposed to actual documents surfacing because of Snowden. I may very well be wrong, but the whole scope of things just feels...off.
For Tor browsing you should use a different browser and OS, in a VM, than the one you normally use.
For example, the silk road guy who legally changed his name to his handle ("frosty") and then used said name in his encryption key.
"Have you ever thought about just turning off the TV, sitting down with your kids, and hitting them?"
I've been running Tor on my home FIOS connection for about six months in non-exit relay mode. Last month I received a registered letter from Verizon notifying me that I was using excessive bandwidth and that my connection would be terminated in ten days if I did not cease and desist. From what I read there were less than 100 FIOS customers that received this letter, and it was sent to folks who used upwards of 10tb per month. The paranoid conspiracy theorist in me says that the NSA encourages ISP's to crack down on Tor relays, while the annoyed consumer in me looks on it as a ploy by Verizon to sell me a commercial fiber service. Either way, I don't have the inclination or money to fight this battle, and so I shut down my Tor relay for now. Interesting to note that we were blocked from accessing Hulu Plus from our home as they had identified my IP as a Tor relay. Now that the relay has been off for a few weeks I should try connecting to Hulu again to see how long they blacklist IP's for.
"We make our world significant by the courage of our questions and by the depth of our answers." Carl Sagan
This is not about monitoring anymore, probably never was
...giving the agency opportunity to launch prepared attacks against their systems
They are actively attacking Tor nodes and clients, be or not outside US, being used for criminal activities or just someone worried about his own privacy.
This is not about defending against terrorists, they are attacking the US citizens that dares to try to have some privacy. Along with foreing citizens worried about the same.
And they are not just forcing everyone to be unsafe, they are too, so others (foreing countries, private companies wanting to get rid of competitors, hacking groups, old-style criminal organizations, even terrorist groups) can use the same tools/backdoors/exploits as them, being either provided by leaks (not just Snowdens unknown predecessors, there are a lot of private companies with high security clearance with access to all of that that could have their own agenda (Snowden worked for one of them), or just plain hacking (like yesterday's Adobe one that could had leaked where Acrobat or Flash have NSA backdoors).
Find FoxAcid related boxes.
Exploit the shit out of said boxes. (win2k3 lol)
Enjoy mayhem.
Sorry if the answer to my question is obvious/common knowledge, but is it known why Snowden didn't release the complete data set, e.g. via wikileaks? Why is the Guardian the "gatekeeper" to this information, I wonder?
I mean, I can think of one reason maybe: to protect his own safety perhaps. Maybe he set something up that releases the full data in case he's arrested, or worse. But anyway, that's speculation... anyone knows if there's some definite answer to the question why the complete data isn't torrented yet?
What the NSA is doing is unacceptable whether or not a foreign government access any of the data. Unless the US government obtains a warrant, based on probable cause, that specifically describes the places to be searched and things to be siezed, this activity is illegal.
Give me Classic Slashdot or give me death!
As I only use it to bypass my countries dns restrictions on the pirate bay Im sure it costs the American government more money in time and effort to get the information than it is worth.
Well, if you didn't deliberately throttle TOR usage I can see that as an issue.
Memo to anyone with a consumer-grade ISP that doesn't explicitly allow you a specified bandwidth:
Call your ISP and get them to "name a bandwidth" below which you are guaranteed not to be called out for "excessive usage" and/or buy a business-grade service that has specified bandwidth limits.
Don't go over these limits.
Also, if your grade of service doesn't explicitly allow servers, buy one that does. You don't want to give the ISP an excuse to shut you down.
Knowledge is how to play a game, intelligence is how to win, wisdom is knowing what game to play.
Tor, originally sponsored by the United States Navy.
Any questions?
Knowledge is how to play a game, intelligence is how to win, wisdom is knowing what game to play.
If you're in the business of government, there's not much money to be made in accepting the defaults of human nature -- one of which is that human beings value privacy, and expect others to respect that privacy.
Spying is clearly a violation of
* Freedom of movement
* Freedom of association
Let's put it this way. Would it be normal human behavior for your next-door neighbor to track your daily movements, intercept your communications, and generally know every aspect of your life? Of course not -- he would be considered a stalker. What makes government different? Why is government spying not merely a glorified form of stalking?
The money is made by attacking human nature, not accepting it. If you want to know the real reason government spies on innocent people, look no further than the hundreds of billions of dollars it justifies in spending. The end goal is to (1) create that cash flow in the first place, and (2) leverage it for personal gain.
or, if your current router supports changing the MAC address do that and get a new IP. It really isn't that hard to get a new IP from your ISP without calling them up.
Fifty watts per channel, baby cakes.
One interesting point in the slide deck was the suggestion that maybe Tor users accessed DNS in such a way as to leave a fingerprint. That begs the question - how much instrumentation does the SIGINT community have on well-known or well-used resolvers and authoritative servers, and at what level? I'm going to crawl back into my hole and put on my tin foil hat now.
This question is like pissing into a sea of piss but...
...how can you prove without a doubt the user of that device is the wrongdoer when the computer is willfully opened up to attack or misuse by parties other than the original intended user? If one party can own it, so can others. And how can you rule out fabrication of evidence when the malicous logic is designed to give control to the very same organization that will be putting the target on trial?
How could any evidence collected from an intentionally compromised system be useful to the rule of law? Couldn't a lawyer destroy the shit out a case like this? If a 3 letter agency infects a system, its owned. it is now vulnerable
I just can't fathom how this is a good idea for anyone that is trying to uphold the rule of law. Then I remember...We've drone'd American citizens...they aren't even concerned how this looks because the end goal is to not ever bring this shit to light in the first place. Legality has never been the issue because the system was designed to remain secret forever...
"Our goal was to analyse Tor source code and determine any vulnerabilities in the system. We set up an internal Tor network to analyze..." http://apps.washingtonpost.com/g/page/world/nsa-research-report-on-the-tor-encryption-program/501/
Belief is the currency of delusion.
"It is a Windows 2003 computer configured with custom software and a series of Perl scripts. These servers are run by the NSA's tailored access operations, or TAO, group."
If they are using Windows Server 2003 for their MITM attacks, you would think someone could come up with a way to identify and infect them.
You change the mac address by either changing the device you're using or spoofing it. The purpose being to be able to access Hulu again.
Exactly what are you getting at here???
Fifty watts per channel, baby cakes.
People often forget that Bruce has a rather large beef with NIST, since they rejected two of his children (aka algorithms) first was two fish and second was skein.
His continuous milking of the publicity must be sweet revenge against the organization that dared snub him not once but twice.
NIST/NSA = lots of free publicity and good exposure for his books!
Hacking & cracking are illegal, yet the us government is allowed to do it..?!
Michael
http://s1.sfgame.us/index.php?rec=58163
To all you people whining about your civil rights being violated, it was your choice to use the Internet. If you aren't using the Internet, then you have nothing to worry about.
The NSA is a government agency. It has absolutely no business in trying to obtain communications data without a warrant. "Freedom and Democracy" cannot be safeguarded so long as citizens do not have the ability to communicate in complete anonymity. That includes being able to read content posted on any website and to post content on any website.
Any government or government agency which attempts to subvert this Inalienable Right is an enemy of America working against the basic interests of the American Way and the American People. It is as simple as that. There are no ifs, there are no buts. There is no: But 911... this or... but Timothy McVeigh that.
The government will say that it needs to rescind anonymity in order to protect us from various bogey-men. But that is not the American way. That is Saddam's way. That is Stalin's way.. and if I may fall victim to Godwin's law before any idiots jump in and start screaming Godwin (you f*cking braindead zombie morons can't you recognise the curtailment of free expression that you idiots are creating with your stupid need to point out that you have heard of such a thing as "Godwin's Law" every time - as though that makes you somehow intellectually superior?) it is Hitler's way. But it is not the American way.
Most of these injection vulnerabilities rely on Javascript as I understand it. Tor Browser Bundle claimed "all known JS vulnerabilities have been closed" and thus encouraged people to leave JS on. Tails followed this policy and ships with JS *on* by default in spite of many outraged complaints on its defunct message board that this was misleading and stupid.
WTF???
Which makes me wonder why IRC is being pushed so much. It helps very much with the scenario you describe. Being centralized and synchronous, it is practical to pull the virtual plug on a targeted user and then see which name drops out of the channel. That was one thing that Usenet had going for it, it was decentralized and asynchronous, making it all but impossible to censor or even track specific users. Remember, not long ago it was part of the package of Internet access advertised by ISPs, it was a key part "getting on the Internet". Suddenly all that stopped. It would not be surprising if there were a little pressure on the ISPs to phase it out, including especially the text groups and not just from the MAFIAA over the dreaded binary groups.
Beta is broken and the link to classic doesn't work. Stop wasting our time or there won't be anybody left here.