New malware targeting Windows 8 appears to be using Google Docs as a proxy server instead of directly connecting to a command and control (C&C) server. According to research done by Symantec, a Trojan, Backdoor.Makadocs, targets Windows 8 along with Windows Server 2012 yet doesn t use any of the software s functions as an exploit vector. Instead the malware leverages one of Google features, Viewer, which attackers are using to retrieve the resources of another URL and display it. Google claims it will investigate and take action when we become aware of abuse
Source: https://threatpost.com/windows-8-malware-using-google-docs-target-brazilians-111912/77227/