HTML 5.0
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MSN IP Search
I’ve been meaning to write something about this for a while now, and a number of people have known and used this for a while too, but one of the most helpful tools out there for identifying subdomains of any given target is MSN IP search. I think Fierce is way better for finding subdomains if they aren’t on the same IP, but MSN IP search is way better at finding subdomains on the same IP.
Why is that important? Well, it turns out that a lot of companies use shared hosting, and as we all know, unless they have taken extreme steps to protect their clients, the hosting environments are basically saying that any compromise of any client means complete compromise of any of the other clients on the same machine. Great. So I created a small bookmarket that interfaces with MSN IP search. If you use Firefox, just drag it to your bookmarks and just go to a webpage of choice (other than ha.ckers.org
) and click the bookmarklet. It sends the domain to ha.ckers.org which performs an IP lookup and forwards the browser back to MSN with the IP for that domain. It’s that simple. You’d be amazed how many companies use shared hosting.
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Firefox Security Model Growth
Okay, I can bet I’m going to get a lot of flack for this post, so before I start, this is only my opinion and is not at all based on actual numbers. The only reason I’m putting a graph here is because I think it’s easier to visually explain. No numbers. Got it? Just opinion. Don’t get all excited here. Okay. Calm yet? Okay, now don’t start reading this post unless you intend to read the whole thing. Ready? Now you may continue reading the post.
The last post I made was describing just a small smattering of some of my personal Firefox woes around the add-ons that I use to personally secure myself from attacks that either I have helped create, or have seen in the wild. Now, truth be told, I use Firefox every day, due to the add-ons that it supports and the ease of testing webapps. And it’s with that that I’m disheartened by my sense of helplessness around updates.
So here’s what I feel is happening over time for security people (not for the regular every day casual web surfer, but indeed, hardcore security folks, like most of the people who read this site). Over time there are upgrades. Those upgrades fix a number holes, and introduce a few others. They also break the add-ons. Those add-ons help fix the broken browser security model. Therefore, for the likes of me and the vulns I actually am affected by, my security is reduced with each new major revision of the browser, making it look something like this:

Sure, the overall security is trending up with time, but there are major gaps in my perceived security while developers catch up to the new codebase. While the numbers and timelines may be way off, the concept (for me at least) is right. I don’t personally see any immediate major benefit from the browser changes - only negative. With time, sure, things get better, but I happen to be in a particularly bad security slump at the moment right there on the right hand side of the graph. The exploit code that I may have been at risk of, for the most part, is neutered by the add-ons, until they stop working. So which is it? Am I trusting the browser to evolve faster than the add-ons or vice versa?
Firefox’s model has always been, “Feel free to contribute, it’s open source!” While this is great in theory, a) My programming skills get me by and not much more - you don’t want my code in your browser holding the Internet together, trust me b) I don’t have access to all the security bugs - most of the worst of which are hidden from view on bugzilla for only a very small select few people to view and c) there are very few people who have the ability to commit code let alone to fix other people’s add-ons.
It’s tempting to get overwhelmed by the helplessness of it all, but then I just remember that none of these plugins fix things like CSRF which helps me ignore that particular issue. So then I just go home and cry myself to sleep. Okay, now rant away, but if you mis-quote me or fail to read everything before commenting, so help me, I’ll make fun of you senselessly.
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Private Investigator or Forensics Expert
What do I have in common with Magnum PI? What does id have in common with Dog the Bounty Hunter? Well in the state of Texas we all need PI licenses. That’s right, if you want to help anyone recover from an incident, investigate computer theft, or engage in any sort of investigation relating to computers whatsoever, you need to become a private investigator in Texas. We can chalk this up to lawyers legislating something they completely fail to understand.

Firstly, I highly doubt any of my customers would get any more value out of hiring Dog the Bounty Hunter to hunt through logs, or recover deleted data. Secondly, legislators are making broad statements like, “the computer industry needs cleaning up”. I’d like to make my own broad sweeping statement, “legislators who write ill-concieved laws need cleaning up.” I understand the reasoning, as poor as it might be. Proper handling of evidence, is always an important thing for convictions, but this is far more broad than that - even delving into the inner workings of private companies working to help other private companies do business.
I guess I better start waxing my chest and wearing dog tags, so I can start understanding how these darned computer thingies work.
Tags: Security, Security newsRelated posts
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Redirection Report
Brian Krebs had an interesting report over at the Washington Post that cited a report from Indiana.edu about how redirects are in quite an abundance. Well, anyone who has worked in this field for any length of time should know that perfectly well, but it’s still interesting to get some validation from the researchers at Indiana.edu who specialize in anti-phishing research. Here’s the rub from Brian’s article:
Indeed, some of the Internet’s biggest Web sites — particularly Google — used to host large numbers of open redirects.
“Used to”? I know I’ve laid it on thick over the last few years, but I’m amazed people still think Google has somehow magically fixed problems that it never got around to fixing. Redirects are not fixed, XSS is not fixed. These issues still exist all over Google and Google’s web properties. But in case someone doesn’t believe me, here’s an example I whipped up in about 10 seconds that redirects to a random eBay auction from Google’s image server as a for instance.
It’s good to see people are finally understanding this in the main stream media, but let’s not give credit to companies that are clearly undeserving of it (both historically and currently). I’ll be the first one to stand up and applause when we see these issues closed once and for all on Google even if it truly is just one company out of the vast untold wealth of sites out there that are vulnerable. But if it really is aiding phishers - and it is - the only way we are going to get ahead of it is by taking responsibility for our own sites. That’s especially true if we intend to be the be all end all of trustworthy advertising giants that Google aims to be.
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XSSFilter Released
You may have already seen the news about the new XSSFilter in IE8.0 but I wanted to echo it here as well, because it’s a pretty major new release. It does a great job of preventing most of the reflected XSS attacks out there for default users of the browser when it hits production. Very cool stuff. By the way, the second link above also has a sneak peek as to another security feature in IE8.0 if you look closely.
Think of XSSFilter like noscript in Firefox, but without the turning off JS portion of the functionality, and unlike noscript, it’s default in the browser, so it will impact a lot more people. David Ross (the guy who came up with the term Cross Site Scripting in the first place, btw) wrote this tool to start tackling a problem he’s been thinking about for 8 or more years since that paper was first authored. It’s not perfect, don’t get me wrong, but it’s a huge leap forward in the right direction, and I was hugely honored to be a part of it, since I think it will have a great positive impact on consumer security while us security knuckle draggers figure out a way to get websites to start securing themselves.
Next on my wish list? Content restrictions!
Tags: Security, Security newsRelated posts
Searchable SWFs
I got forwarded this link today from businesswire about how Google and Yahoo are now going to be armed with the information necessary to look at and extract information out of SWF files. Ho-boy, here we go. The link was sent to me with the “bad juju” caveat, and I’m pretty sure I agree.
The problem is, like anything, if the search engines start pulling down rich applications that actually interact with the web application, there is untold issues that could arise. For instance, Flash applications have quite a bit of rich features in them, and some of that could be dangerous if they interact with back end applications. Also, if the word “test” appears in a Flash movie, does that mean it should get indexed? Or is it a frame that’s not visible, or off the side of the page, or whatever? What if it takes ten minutes to find that particular line of text or dozens of sub-menus? Are people really going to sit for that?
Do people really want to load a Flash movie when they query for things? I know I sure don’t! I’m already annoyed when I get linked to PDF files or .docx files. I think this just takes searching to a new level where people don’t actually want to go. Instead of crawling deeper and refining their search, the search engines are going to new mediums to stave off the people (like myself) who have argued that Flash isn’t a good medium for accessibility, usability and SEO. SEO is going to be off the table soon enough, leaving accessibility and usability.
But seriously, what’s next? Are the search engines going to decompile Java applets looking for text? As a side note, this should, at least in the short term, lead to a new round of Flash hacking, once it goes live. I’ll give a tee-shirt to the first person who writes a Google dork for internal Flash text that leads to exploitation.
Tags: Security, Security news
































