[ISN] Security UPDATE -- Browser History: What Happened? -- April 27, 2005

InfoSec News isn at c4i.org
Fri Apr 29 05:27:11 EDT 2005


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Phishing, viruses, bot-nets and more: How to prevent the "Perfect 
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1. In Focus - Browser History: What Happened?

2. Security News and Features
   - Recent Security Vulnerabilities
   - Firefox 1.0.3--Nine Security Fixes
   - Credit Card Companies to Enforce Payment Card Industry Standard
   - Putting OpenVPN to Work

3. Security Toolkit
   - Security Matters Blog
   - FAQ
   - Security Forum Featured Thread

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   - Fast Security

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==== 1. In Focus - Browser History: What Happened? ====
   by Mark Joseph Edwards, News Editor, mark at ntsecurity / net

Occasionally, you might need to trace a user's Web-browsing path. 
Manual forensic analysis, which involves digging through cookie files, 
the browser's cache, and browser history data, isn't easy. 

For a good rundown on forensic analysis of browser activity, you should 
consider reading "Web Browser Forensics, Part 1," by Keith J. Jones and 
Rohyt Belani of Red Cliff Consulting. The article, published on the 
SecurityFocus Web site, offers a brief usage overview of some very 
useful tools: in particular, Pasco, Internet Explorer History Viewer, 
Web Historian, and Forensic Toolkit.
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Pasco is an open-source tool that can be used to reconstruct browser 
use from Microsoft Internet Explorer's (IE's) index.dat files. The 
files contain data such as which URLs were visited and when. Pasco is a 
command-line tool that creates a text-based output file. 
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Internet Explorer History Viewer, available from Phillips Ponder, has 
been around for a while. It too can reconstruct IE usage and has the 
added benefits of being able to read Netscape history data and find 
fragments of deleted files in the Windows Recycle Bin. IE History costs 
$50. 
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The free Web Historian, provided by Red Cliff Consulting, is more 
powerful than the previous two tools. It can help you analyze the 
historic usage of Internet Explorer, Mozilla, Firefox, Netscape, Opera, 
and Apple Computer's Safari. 
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Forensic Toolkit (FTK), from AccessData, is the most powerful of the 
bunch, and at $995, it better be. It too can reconstruct browser use 
history, but it's also billed as a tool that can perform "complete and 
thorough forensics examinations." Among other tasks, Forensic Toolkit 
can index entire drives, allows quick text searches, and supports more 
than 270 file types. 
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Now let's suppose for a minute that you don't want anybody to be able 
to perform such analysis on your systems. For example, if your laptop 
is stolen or lost, do you want whoever ends up with it to be able to 
find out detailed information about you by analyzing your surfing 
habits? To prevent someone else from accessing your data, you could 
implement disk encryption. 

You can also manually delete browser details (IE History and Cache) 
fairly easily, but you have to remember to do that, and you also need 
to erase the disk sectors to ensure that the data can't be recovered. I 
know that many standalone tools can do both these tasks quickly and 
effortlessly. Privacy Eraser is one example (which I haven't yet 
tried).
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Are any such tools that include centralized management available for an 
enterprise? If you know of any, please send me an email with the 
details or a URL. 

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==== 2. Security News and Features ====

Recent Security Vulnerabilities
   If you subscribe to this newsletter, you also receive Security 
Alerts, which inform you about recently discovered security 
vulnerabilities. You can also find information about these 
discoveries at
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Firefox 1.0.3--Nine Security Fixes
   Mozilla Organization released Firefox 1.0.3 to correct nine security 
vulnerabilities. Interestingly enough, all the problems corrected in 
the new release relate to vulnerabilities that could be exploited via 
JavaScript.
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Credit Card Companies to Enforce Payment Card Industry Standard
   Most major credit card companies have adopted the Payment Card 
Industry (PCI) Data Security Standard, which was jointly developed by 
VISA and MasterCard. Adopters of the standard include American Express, 
Diners Club, Discover, and JCB International.
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Putting OpenVPN to Work
   You're probably familiar with Microsoft's RRAS VPN solutions, as 
well as commercial VPNs from vendors such as Cisco Systems and Nortel 
Networks, but you might not be aware of an open-source program called 
OpenVPN. Jeff Fellinge explains how to implement OpenVPN in this 
article on our Web site. 
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==== 3. Security Toolkit ==== 

Security Matters Blog 
   by Mark Joseph Edwards, http://list.windowsitpro.com/t?ctl=87E3:4FB69

Perils of Wardriving
   It's fairly common knowledge that some people set up Wi-Fi hotspots 
using the Wi-Fi cards in their own computers in hopes that someone will 
connect. Once a connection is made, an intrusion attempt begins against 
the machine that connected. Obviously it's not very smart to use any 
old Wi-Fi hotspot you come across just because it's there. 
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FAQ
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Q: How can I configure the Windows Server 2003 Service Pack 1 (SP1) 
Windows Firewall from a command line? 

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