Flame: Massive cyber-attack discovered, researchers say
A complex targeted cyber-attack that collected private data from countries such as Israel and Iran has been uncovered, researchers have said.
The company said it believed the attack was state-sponsored, but could not be sure of its exact origins.
They described Flame as "one of the most complex threats ever discovered".
Research into the attack was carried out in conjunction with the UN's International Telecommunication Union.
They had been investigating another malware threat, known as Wiper, which was reportedly deleting data on machines in western Asia.
In the past, targeted malware - such as Stuxnet - has targeted nuclear infrastructure in Iran.
Others like Duqu have sought to infiltrate networks in order to steal data.
This new threat appears not to cause physical damage, but to collect huge amounts of sensitive information, said Kaspersky's chief malware expert Vitaly Kamluk.
"Once a system is infected, Flame begins a complex set of operations, including sniffing the network traffic, taking screenshots, recording audio conversations, intercepting the keyboard, and so on," he said.
More than 600 specific targets were hit, Mr Kamluk said, ranging from individuals, businesses, academic institutions and government systems.
Iran's National Computer Emergency Response Team posted a security alert stating that it believed Flame was responsible for "recent incidents of mass data loss" in the country.
The malware code itself is 20MB in size - making it some 20 times larger than the Stuxnet virus. The researchers said it could take several years to analyze.
Once the initial Flame malware has infected a machine, additional modules can be added to perform specific tasks - almost in the same manner as adding apps to a smartphone.
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