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Chat with ZephyrSonic!
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Ian Paul | Sept. 30, 2013
Which is scarier: The fact that malware can get cozy in your hardware, or the fact that it was completely undetectable until now?
As anti-virus solutions become more robust and Microsoft becomes better at plugging Windows vulnerabilities, malware designers have to get more creative about attacking PCs and servers. One wide-open avenue of attack: hardware components like graphics and network cards. Yes, you read that right.
Security software isn't necessarily looking for malware lurking within peripherals, opening the door for Bad Guys to stash nasty code in your killer, pixel-pumping Radeon or GeForce graphics card. But fear not! Berlin-based researcher Patrick Stewin says he has figured out a way to detect this tricky malware without taxing the CPU, according to SC Magazine Australia.
Peripheral-based malware is particularly difficult to detect, because it doesn't have to rely on a weakness in your computer's operating system, according to Stewin. Instead, it takes advantage of the processing power already present in peripherals like graphics cards that may not be expecting an attack.
Graphics cards, sound cards, and other PC components can process data using direct memory access (DMA). Instead waiting to receive data processing via a PC's CPU, a graphics card can bypass the CPU to access and process graphical data directly from memory.
DMA helps make a PC work faster and reduces the load on the CPU. But it also means that a properly designed bit of malware can get in through a data-crunching peripheral. Once infected, DMA attacks can do all sorts of damage, such as copying encryption keys or installing other types of malware for identity theft, though the odds of being infected by this advanced type of malware are admittedly slim.
Comparing notes
Stewin's solutiondubbed BARMdeals with DMA attacks by keeping tabs on what a system is supposed to be doing and comparing that to what the PC actually is doing.
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New proof-of-concept tool detects stealthy malware hiding in graphics cards
MIAMI --
(AP) For the fourth time this year an execution is scheduled for convicted killer Marshall Lee Gore, who escaped previous appointments in the death chamber by taking insanity claims to the courts and because of a conflict with one of Attorney General Pam Bondi's political fundraising events.
Gore, 49, is scheduled to die by injection Tuesday for the March 1988 killing of Robyn Novick, a 30-year-old exotic dancer whose nude body was found dumped in rural Miami-Dade County. Gore was also convicted of killing another woman, Susan Roark, and of attempting yet another woman's murder.
His death sentence was initially set for June 24 but was delayed by legal maneuvering. Gov. Rick Scott then set it for July 10 but yet another court held hearings on Gore's claims that he is delusional and too insane to execute. After the state Supreme Court upheld denial of Gore's claims, the execution was reset for Sept. 10.
Then Scott abruptly delayed it again, until Oct. 1, initially giving no explanation. It later turned out that Bondi had requested the postponement because of the fundraiser, for which she has since apologized.
"I should not have moved it," Bondi told reporters. "I'm sorry and it will not happen again."
In the days before his fourth execution date, Gore's attorney again appealed unsuccessfully to a Miami federal judge for a stay because of insanity claims. Among other things, Gore says he suffers from delusions related to a conspiracy theory in which the purpose of his execution is so that the elite and wealthy people can harvest his organs.
"Gore said that he believed a state senator was waiting to obtain Gore's eyeballs for his son," the 11th U.S. Circuit Court of Appeals noted in a June opinion denying his earlier claims.
Gore has also said he is being targeted by satanic worshippers for human sacrifice, that he hears voices telling him to hang himself and that he was somehow injected with the virus that causes tuberculosis.
The appeals judges sided with a panel of state-appointed mental health experts who concluded that Gore's "insanity" was all an act "designed to mislead the panel and avoid responsibility for his past actions." Several corrections officers testified that Gore behaves normally except when higher-ranking prison officials are around, such as pretending he cannot hear or walking with an exaggerated limp.
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4th execution date Tuesday for convicted killer