The Sidewinder APT group has been actively abusing a Binder vulnerability in at least three apps found in the Google Play store.

The three apps, all file manager and photography tools, were uploaded starting in March 2019, but have since been removed. The apps involved are Camero, FileCrypt and callCam. The vulnerability effects several Android devices, including Pixel 1 and 2 phones, enabling an attacker to gain root access.

“Upon further investigation we also found that the three apps are likely to be part of the SideWinder threat actor group’s arsenal. SideWinder, a group that has been active since 2012, is a known threat and has reportedly targeted military entities’ Windows machines,” wrote Trend Micro researchers Ecular Xu and Joseph Chen.

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