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Hackers abuse Microsoft ClickOnce and AWS services for stealthy attacks

A sophisticated malicious campaign that researchers call OneClik has been leveraging Microsoft’s ClickOnce software deployment tool and custom Golang backdoors to compromise organizations within the energy, oil, and gas sectors. The hackers rely on legitimate AWS cloud services (AWS, Cloudfront, API Gateway, Lambda) to keep the command and control (C2) infrastructure hidden. ClickOnce is a deployment technology from Microsoft that…