Crashed server? You have a need for speed!

Problems removing Admin Rights? Best practices

Migrating from Tape to Disk Backups



IN FOCUS: Tightening Software Restriction Policies


- Webroot Merges with Email Systems

- FBI Shut Down Botnets; Arrested Participants

- It's Official: Hormel Isn't a Spam Fighter

- Recent Security Vulnerabilities


- Security Matters Blog: Firefox Available

- FAQ: Certificates and Terminal Services

- Share Your Security Tips


- Block or Track Data Copied from PC to USB Device

- Product Evaluations from the Real World




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=== IN FOCUS: Tightening Software Restriction Policies

by Mark Joseph Edwards, News Editor, mark at ntsecurity / net

Group Policy is an excellent tool for controlling various aspects of client computers. However it's not foolproof. Users could circumvent various aspects of Group Policy, such as Software Restriction Policies (SRPs). Doing so is possible as a regular user without the need for administrator-level access, which of course means that you need to be on the lookout for such activity.

Back in early 2004, Kamal Shankar wrote an article (at the first URL below) about ways to bounce specific program function calls to a different function over which the developer has more control. The technique can be used as a way to bypass aspects of Group Policy, including SRPs. Interestingly enough, Shankar's method uses Microsoft's Detours API (at the second URL below), which is meant to let developers extend application functionality.

Then in late 2005, Mark Russinovich wrote an entry in his Sysinternals blog (at the URL below) that explains why and how it's possible to bypass aspects of Group Policy. As part of his research on the topic, Russinovich wrote a small tool called Gpdisable that demonstrated the technique. But the tool disappeared sometime after Microsoft bought Russinovich's company.

In April 2006, Russinovich wrote a bit more about the subject in an article on our Web site at the URL below. Russinovich wrote that "most of the settings in the Windows Components area of the Group Policy Editor's (GPE's) Administrative Templates node can be circumvented in environments in which end users can run arbitrary applications such as Gpdisable. Notably, IE configuration, including security zones, falls into this area, as do Windows Explorer, Windows Media Player (WMP), and Windows Messenger settings." He also pointed out that this isn't a bug in Windows; Windows was intentionally designed this way.

Well Gpdisable isn't available anymore, but last week another tool debuted that can be used to bypass Group Policy and SRPs. Eric Rachner released GPCul8r (at the URL below), which is a ready-to-use compiled executable that comes with two associated DLLs. The tool will undoubtedly be put into action on various corporate networks, so you should keep an eye out for it on your systems.

If you haven't done so already, check into tightening any SRPs you have in place. Microsoft has an article on Technet called "Using Software Restriction Policies to Protect Against Unauthorized Software" that applies to Windows XP, Windows Vista, and Windows Server 2003. The article is a good place to start when looking for ways to minimize the programs that can run on your desktops (at the first URL below). Another helpful reference is the Security Pro VIP article "Stay Safer with Software Restriction Policies" (at the second URL below).

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Webroot Merges With Email Systems

Webroot has entered the software as a service (SaaS) market space by merging with Email Systems. The combined company will offer Web and email security solutions for businesses.

FBI Shut Down Botnets; Arrested Participants

The FBI said that the second phase of its operation Bot Roast resulted in the shutdown of more botnets and the indictment or conviction of eight men.

It's Official: Hormel Isn't a Spam Fighter

After years of court battles over trademark issues related to the name "SPAM," a ruling has been made that states the obvious: Consumers don't confuse Hormel's famous meat product with computer software that fights junk mail.

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

=== SPONSOR: Revinetix


Migrating from Tape to Disk Backups

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by Mark Joseph Edwards,

Mozilla released Firefox to fix three dangerous vulnerabilities. Read this blog item on our site to learn more.

FAQ: Certificates and Terminal Services

by John Savill,

Q: Can I use wildcard certificates with Terminal Services?

Find the answer at


Share your security-related tips, comments, or problems and solutions in Security Pro VIP's Reader to Reader column. Email your contributions to If we print your submission, you'll get $100. We edit submissions for style, grammar, and length.



by Renee Munshi,

Block or Track Data Copied from PC to USB Device

CoSoSys announces Secure it Easy 1.2, which ensures that external devices such as USB thumb drives, portable drives, and iPods can't be connected to a PC unless they're authorized by an administrator. Unauthorized devices are blocked from reading or writing data. New in version 1.2 is the ability to trace files copied between a PC and a storage device. Secure it Easy is recommended for small office/home office (SOHO) use. The new version is available for a free 30-day trial from


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