“We’ll be back soon,” the messages also said, but security experts have gotten a close-up look at the malware that was used in the attacks. One theory being studied by. Symantec and other security firms is whether the. malware initially was spread via drive-by attacks, specifically with a water. It’s not known who is behind them, the. one that hit Saudi Aramco last year, wiping data from some 10,000 machines and. crippling the organizations for hours as data was lost.”]