Game Trojans’ Biggest Tricks in 2010


By Andrew Brandt and Curtis Fechner

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It’s appropriate that this year’s Blizzcon, the two-day celebration of all things World of Warcraft, takes place during National Cyber Security Awareness Month. No other game is as heavily targeted by thieves as WoW, so we thought this would be as good a time as any to run down some of the malware threats that face gamers. 2010 has been a big year for Trojans that steal game passwords or license keys.

The people who create malware targeting online games show no signs of relenting, nor are they laying down on the job. Innovation is the name of the game, and password-stealers this year innovated their infection techniques to make them more effective and even harder to detect.

Two-factor authentication tokens, such as the Blizzard Authenticator, do a great job of preventing fraud. If you play WoW, the seven or so bucks the Authenticator costs can prevent a lot of headaches if your account becomes compromised by either a Trojan or a phishing Web site. The Authenticator displays a series of numbers that change about once a minute, and a gamer needs to enter these numbers along with a username and password to play the game.

However, while gamers who play Blizzard’s games might find themselves at reduced risk of phishing thanks to the Authenticator, other companies that operate the kinds of massively-multiplayer games most targeted by phishing pages and malware are also targets for theft, and don’t yet offer an equivalent method of securing login credentials.

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The WoW Catphishers are Biting


By Andrew Brandt

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cataclysm_youtube_link2_cropThe body’s barely cold from last week’s BlizzCon, but the script kiddies who write phishing kits have been hard at work putting their best foot forward, crafting account-stealing code that targets gullible WoW players who want an early peek at the just-announced Cataclysm expansion. These Catphish pages, linked off of YouTube video postings that offer promises of early, exclusive access to the expansion, lift graphics and design characteristics directly from the pages hosted by Blizzard, the publisher of the WoW franchise.

Unfortunately for the script kiddies making and hosting the pages, they’re making some of the most boneheaded mistakes imaginable.

Take, for example, this page. The creator of this page was so eager to get his l33t phishing site posted on his favorite message board, he forgot to take a close look at what he was including with his phish kit. It includes not only log files containing links to the live site where he’s hosting this phishing scam, but also to a site where he’s hosting another phishing scam intended to steal a promotional code given to WoW fanatics as a bonus after they paid to watch BlizzCon streamed live to their computer.

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How Phishers Target WoW Players


By Andrew Brandt, Curtis Fechner, and Grayson Milbourne

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orc_80_flash_cropYesterday, at the opening of our BlizzCon coverage, we showed you just how commonly phishers target WoW players by posting innocuous-looking links in message board or forums frequented by players. Today, we’ve produced a really short video that shows exactly how someone infects their computer with a phishing Trojan.

As you can see in the video (even through the “censorship”), the page the victim eventually ends up on emulates the appearance of a Flash-video-based porn site. Every single link on the page links to the malware installer, which means that no matter where on the page the victim clicks, he or she is presented with a download dialog box. Check it out.

This simple social engineering trick, so commonly used of late by Koobface to fool social network users, still manages to convince people to execute the malware installer in order to view the video.

We’d all like to take a moment to give one simple piece of advice: If you follow a link and end up on a site you clearly weren’t intending to go to, stop. Don’t download any executable files—and absolutely don’t run any executable files if you happen to download them. If you have to, hit the Alt-F4 keyboard combination to kill the browser right there, but just don’t run anything else.

Misled gamers who download and run the flash “installer” won’t see any obvious difference on their computers to indicate that they are infected. At this point, the Trojan is ready to start stealing login credentials. These infections are often fairly simple in their configuration, though as with all malware there are much more complex versions that can steal the passwords for multiple games.

The installer executable simply drops a DLL file onto the victim’s hard drive, typically to the System32 or another Windows subdirectory. That file performs the keystroke logging, then sends that data to the phisher behind the scam. The installer also modifies the Registry so the DLL loads with every startup.

Keyloggers aren’t the only threats targeting online games. Others include spam phishing-type posts on the public forums for individual guilds, malicious URLs communicated through the in-game chat channels, and even exploits against security weaknesses in Web sites and message boards frequented by members of the WoW playing community.

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BlizzCon, Gamers, WoW Trojans, Oh My


By Curtis Fechner and Grayson Milbourne

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20090820_wow_ret11k_cropTomorrow morning, Blizzard Entertainment (the publisher of the wildly popular World of Warcraft franchise) will kick off another BlizzCon to show off their latest projects and directly interact with their fanbase. World of Warcraft will likely take center stage at the convention, which has become the venue of choice for Blizzard to unveil their newest expansion pack for the enormously popular online role-playing game.

Here at Webroot we have our fair share of past and present WoW players. So we’re quite tuned in to the malware that plagues WoW and other online games. As the gaming market continues to grow at an amazing rate, so does the real-money value of (and the virtual currency stored in)  game accounts  used in association with those games.

Earlier this summer we shared with our readers the top ways that threats get introduced into online games and the best ways to avoid them. With Blizzcon just hours away, and the WoW servers ramping up for the surge in imminent logons to follow, we thought we’d revisit the issue to ramp up security awareness by sharing some of the more atrocious malware variants we’ve seen hitting the WoW gaming community.

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