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俄羅斯電腦安全公司卡巴斯基實(shí)驗(yàn)室近日宣布，他們發(fā)現(xiàn)了目前為止世界上最復(fù)雜的一種電腦病毒“火焰”，它能收集數(shù)據(jù)、遠(yuǎn)程更改電腦設(shè)置、打開(kāi)電腦麥克風(fēng)并收錄電腦周邊的談話，還能截屏并復(fù)制即時(shí)通訊工具聊天內(nèi)容。專家表示，該病毒主要鎖定伊朗等中東國(guó)家，其破壞能力比之前發(fā)現(xiàn)的Stuxnet和Duqu蠕蟲(chóng)病毒要強(qiáng)20多倍，推測(cè)應(yīng)為國(guó)家資助開(kāi)發(fā)的病毒。卡巴斯基實(shí)驗(yàn)室表示，該病毒早在五年前就進(jìn)入計(jì)算機(jī)網(wǎng)絡(luò)，目前已經(jīng)感染了伊朗、以色列、蘇丹、敘利亞、黎巴嫩、沙特阿拉伯以及埃及等國(guó)的計(jì)算機(jī)設(shè)備。有研究人員表示，“火焰”病毒背后的操作者可能與Stuxnet和Duqu蠕蟲(chóng)病毒為同一個(gè)或幾個(gè)國(guó)家。

Kaspersky Labs said the program appeared to have been released five years ago and had infected machines in Iran, Israel, Sudan, Syria, Lebanon, Saudi Arabia and Egypt.

Middle Eastern states were targeted and Iran ordered an emergency review of official computer installations after the discovery of a new virus, known as Flame.

Experts said the massive malicious software was 20 times more powerful than other known cyber warfare programs including the Stuxnet virus and could only have been created by a state.

It is the third cyber attack weapon targeting systems in the Middle East to be exposed in recent years.

Iran has alleged that the West and Israel are orchestrating a secret war of sabotage using cyber warfare and targeted assassinations of its scientists as part of the dispute over its nuclear program.

Stuxnet attacked Iran's nuclear program in 2010, while a related program, Duqu, named after the Star Wars villain, stole data.

Flame can gather data files, remotely change settings on computers, turn on computer microphones to record conversations, take screen shots and copy instant messaging chats.

The virus was discovered by a Russian security firm Kaspersky lad that specializes in targeting malicious computer code.

It made the 20 gigabyte virus available to other researchers yesterday claiming it did not fully understand its scope and said its code was 100 times the size of the most malicious software.

Kaspersky Labs said the program appeared to have been released five years ago and had infected machines in Iran, Israel, Sudan, Syria, Lebanon, Saudi Arabia and Egypt.

"If Flame went on undiscovered for five years, the only logical conclusion is that there are other operations ongoing that we don't know about," Roel Schouwenberg, a Kaspersky security senior researcher, said.

Professor Alan Woodward from the department of computing at the University of Surrey said the virus was extremely invasive. It could "vacuum up" information by copying keyboard strokes and the voices of people nearby.

"This wasn't written by some spotty teenager in his/her bedroom. It is large, complicated and dedicated to stealing data whilst remaining hidden for a long time," he said.

The virus contains about 20 times as much code as Stuxnet, which attacked an Iranian uranium enrichment facility, causing centrifuges to fail. Iran's output of uranium was suffered a severe blow as a result of the Stuxnet activities.

Mr Schouwenberg said there was evidence to suggest the code was commissioned by the same nation or nations that were behind Stuxnet and Duqu.

Iran's Computer Emergency Response Team said it was "a close relation" of Stuxnet, which has itself been linked to Duqu, another complicated information-stealing virus is believed to be the work of state intelligence.

It said organizations had been given software to detect and remove the newly-discovered virus at the beginning of May.

Crysys Lab, which analyses computer viruses at Budapest University. said the technical evidence for a link between Flame and Stuxnet or Duqu was inconclusive.

The newly-discovered virus does not spread itself automatically but only when hidden controllers allow it.

Unprecedented layers of software allow Flame to penetrate remote computer networks undetected.

The file, which infects Microsoft Windows computers, has five encryption algorithms, exotic data storage formats and the ability to steal documents, spy on computer users and more.

Components enable those behind it, who use a network of rapidly-shifting "command and control" servers to direct the virus, to turn microphone into listening devices, siphon off documents and log keystrokes.

Eugene Kaspersky, the founder of Kaspersky Lab, noted that "it took us 6 months to analyse Stuxnet. [This] is 20 times more complicated".

Once a machine is infected additional modules can be added to the system allowing the machine to undertake specific tracking projects.

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(Agencies)

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