New worm, Santy, using Google to spread

Antivirus companies are warning Internet users about a fast-spreading new worm that infects Web servers running a popular package of online bulletin board software, and uses the Google search engine to find vulnerable servers to infect.

The worm, dubbed Santy.A, uses a vulnerability in a popular free software package called phpBB to spread across the Internet, infecting computer servers that host online bulletin boards and defacing those sites with the words "This site is defaced!!! NeverEverNoSanity WebWorm."

A Google Inc. spokesman said in an e-mail the company was looking into reports about Santy.A.

The worm does not affect individual computer users, but infects Web servers that are hosting online bulletin boards.

Santy.A was first spotted early Tuesday morning, Eastern Standard Time in the United States, according to Mikko Hypponen, manager of antivirus research at F-Secure Corp. in Helsinki.

The worm takes advantage of a critical software vulnerability in the phpBB open source software, which is widely used to create and maintain online bulletin boards (http://www.phpbb.com.) While antivirus companies were still analyzing the worm, it appears that the worm may use a vulnerability in the PHP scripting language that was recently patched, according to Alexey Zernov, a spokesman for antivirus company Kaspersky Labs in Moscow.

PhpBB, as well as other common software packages are written using PHP.

Once Santy infects servers running the phpBB software, it scans directories on the infected site and overwrites files with the extensions HTM, PHP, ASP, SHTM, JSP and PHTM with the text "This site is defaced!!! This site is defaced!!! NeverEverNoSanity WebWorm generation," according to an alert from Kaspersky Labs.

The worm also launches a search on the Google search engine for URLs (uniform resource locators) that use a special string, viewtopic.php, which is common to bulletin boards written using the phpBB software, Hypponen said.

The worm's reliance on Google could be its downfall, however. If the search engine company can block the search text used by Santy.A, it would stop the worm from spreading, he said.

Hypponen was trying to contact Google Tuesday to get the company's help in blocking Santy.A requests, he said.

Antivirus experts do not believe Santy.A deposits Trojan horse programs or other malicious code on the systems it infects. Also, Santy does not affect individual computer users, unless they are hosting a bulletin board from their computer that uses the phpBB software, antivirus experts said.

However, Santy.A could act as a road map for malicious hackers who are looking for vulnerable computers to exploit, Hypponen said.

Both F-Secure and Kaspersky Labs posted updated antivirus definitions Tuesday that can spot the Santy.A worm and advised customers to update their antivirus software as soon as possible.

Join the newsletter!

Or

Sign up to gain exclusive access to email subscriptions, event invitations, competitions, giveaways, and much more.

Membership is free, and your security and privacy remain protected. View our privacy policy before signing up.

Error: Please check your email address.
Rocket to Success - Your 10 Tips for Smarter ERP System Selection
Keep up with the latest tech news, reviews and previews by subscribing to the Good Gear Guide newsletter.

Paul Roberts

IDG News Service
Show Comments

Brand Post

Most Popular Reviews

Latest Articles

Resources

PCW Evaluation Team

Andrew Teoh

Brother MFC-L9570CDW Multifunction Printer

Touch screen visibility and operation was great and easy to navigate. Each menu and sub-menu was in an understandable order and category

Louise Coady

Brother MFC-L9570CDW Multifunction Printer

The printer was convenient, produced clear and vibrant images and was very easy to use

Edwina Hargreaves

WD My Cloud Home

I would recommend this device for families and small businesses who want one safe place to store all their important digital content and a way to easily share it with friends, family, business partners, or customers.

Walid Mikhael

Brother QL-820NWB Professional Label Printer

It’s easy to set up, it’s compact and quiet when printing and to top if off, the print quality is excellent. This is hands down the best printer I’ve used for printing labels.

Ben Ramsden

Sharp PN-40TC1 Huddle Board

Brainstorming, innovation, problem solving, and negotiation have all become much more productive and valuable if people can easily collaborate in real time with minimal friction.

Sarah Ieroianni

Brother QL-820NWB Professional Label Printer

The print quality also does not disappoint, it’s clear, bold, doesn’t smudge and the text is perfectly sized.

Featured Content

Product Launch Showcase

Latest Jobs

Don’t have an account? Sign up here

Don't have an account? Sign up now

Forgot password?