The Android Zazdi botnet uses FCM to communicate with its infected bots (January 9, 2019)

SonicWall Capture Labs Threat Research team received reports of an info-stealer for Android, upon inspecting related samples and correlating different data points we discovered this to be a botnet campaign. This botnet campaign is capable of executing 50 commands on the infected devices using Firebase Cloud Messaging (FCM)…Learn More