That's the pitch for cross-platform malware that's been recently spotted for sale on underground forums by information security researchers at Mac antivirus software maker Intego.
All told, remote-access and data-pilfering malware "can monitor running processes, send shell commands, take screenshots, download and run files, and identify front-most window titles," according to an analysis of NetWeird (a.k.a. NetWrdRC) published by Sophos. In addition, it said, the malware can "harvest stored and encrypted usernames and passwords from Opera, Firefox, SeaMonkey, and Thunderbird browsers and mail clients." It's able to infect Apple OS X (versions 10.6 and newer), Linux, Solaris, and Windows systems.
[ For more on Apple's iOS security efforts, read Apple Security Talk Suggests iOS Limits. ]
Security researchers have yet to recover the dropper, or installer, used to get the malware onto targeted systems, but once there, the Mac version application has a miniscule footprint--just 77K. Once installed, it attempts to phone home to a command-and-control server in the Netherlands.
But while malware's price point--relative to more established players such as the Zeus financial toolkit or Crisis malware--makes it a bargain, the attack code comes with a catch: it's riddled with amateur errors, making it less a threat to targeted operating systems than your wallet.
Focusing only on the Mac version, the developer's ineptitude includes the placement of the malware application itself, titled "WIFIADAPT.app.app," which shows up in an Apple user's home folder. Next to "Downloads," "Desktop," "Music," and other essential folders, the malware sticks out like a sore thumb.
The malware also lacks any state-of-the-art obfuscation techniques, although "the website for the developers of NetWeirdRC also lists the undetected nature of this tool as a selling point," said Lysa Myers, a security researcher at Intego, in a blog post. But "security through obscurity" is an unreliable proposition, and in the case of the publicity now enjoyed by NetWeird, it's obviously no longer a valid selling point.
NetWeird also has a persistence problem, since thanks to a coding error, malware infections on Macs seem incapable of surviving a reboot. "It adds itself to your login items, presumably with the intention of loading up every time you reboot your Mac," said Paul Ducklin, head of technology for Sophos in the Asia Pacific region, in a blog post. "But a bug means that it adds itself as a folder, not an application. All that happens when you log back in is that Finder pops up and displays your home directory."
The malware also chokes in the face of new Apple OS X security controls. On any Mac running the latest operating system, Mountain Lion (a.k.a. 10.8), set to default security settings, the malware won't be able to install itself, "because it's not from the App Store and isn't digitally signed by an Apple-endorsed developer," said Ducklin.
"It seems that the crooks really are getting into the habit of churning out new Mac malware, not to show how clever they are, but merely to see if they can repeat the trick that's worked on Windows for years: making money out of next to nothing," he said.
NetWeird also highlights how not every bent developer can double as a botnet-designing whiz kid. "It's interesting to compare and contrast Crisis and NetWeirdRC, as they are both commercially available products. While Crisis is an advanced threat which hides itself reasonably well, NetWeirdRC has a number of glaring issues," said Intego's Myers. "Perhaps the price tag tells us all we need to know: Crisis sells for $250,000, and NetWeirdRC starts at $60."
In another light, NetWeird simply represents criminals trying to out-scam each other. Just as scammers use scareware to socially engineer consumers into paying for products that pretend to rid their PCs of viruses they don't have, some malware developers are now selling bargain-rate, busted Mac botnet toolkits to unsuspecting buyers.
"It would seem that you get what you pay for, even in the malware world," said Myers.
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