Saudi Arabia is warning that a computer virus that destroyed systems of its state-run oil company in 2012 has returned to the kingdom, with at least one major petrochemical company apparently affected by its spread.
Suspicion for the initial dispersal of the Shamoon virus in 2012 fell on Iran as it came after the Stuxnet cyberattack targeting Tehran's contested nuclear enrichment program. It wasn't immediately clear who could be responsible for the new infection, though the relations between regional rivals remain tense.
A report yesterday by Saudi state-run television included comments suggesting that 15 government agencies and private institutions had been hit by the Shamoon virus, including the Saudi Labor Ministry. The ministry said it was working with the Interior Ministry to contain the virus.
Sadara, a joint venture between the Saudi Arabian Oil Co. and Michigan-based Dow Chemical Co., shut down its computer network Monday over a disruption.
Company spokesman Sami Amin said its network remained down Tuesday, though it hadn't affected operations at the facility. He declined to comment further.
Sadara is based in Jubail Industrial City, which sits about 100 kilometers (60 miles) northwest of the eastern Saudi city of Dammam in the heartland of the kingdom's oil industry. Another state-run TV report on Tuesday said the Saudi Technical and Vocational Training Corp. Was affected, though a spokesman denied the virus did any damage to its network.
Symantec Corp., a California-based security firm, warned in late November that Shamoon had been spotted again in Saudi Arabia. Computers affected had their hard drives erased and displayed a photograph of the body of 3-year-old Syrian boy Aylan Kurdi, who drowned fleeing his country's civil war, Symantec said.
The November attacks apparently involved previously stolen passwords, suggesting the virus' use was a long time coming. "Why Shamoon has suddenly returned again after four years is unknown," Symantec said . "However, with its highly destructive payload, it is clear that the attackers want their targets to sit up and take notice."
Shamoon first emerged in Saudi Arabia in 2012. In that attack, which hit Saudi Aramco and Qatari natural gas producer RasGas, the virus deleted hard drives and then displayed a picture of a burning American flag on computer screens. The attack forced Saudi Aramco to shut down its network and destroyed over 30,000 computers.
"All told, the Shamoon virus was probably the most destructive attack that the private sector has seen to date," then-U.S. Defense Secretary Leon Panetta said at the time.
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