The new XLabs_V1 botnet, a variant of the well-known Mirai, is exploiting the Android Debug Bridge (ADB) port to take control of IoT devices. It scans IP addresses for open port 5555, commonly found on smart TVs, set-top boxes, and routers with ADB mistakenly enabled. Once inside, it recruits them to launch distributed denial-of-service (DDoS) attacks. The problem isn't new, but the scale is. 🔥
How the malware operates at the technical layer ⚙️
XLabs_V1 uses a mass scanning module to detect exposed port 5555. Upon finding one, it attempts to authenticate using default ADB credentials, such as root or shell. If it gains access, it downloads a malicious binary that runs with elevated privileges. This binary blocks other processes, modifies iptables rules for persistence, and connects to a C2 server. From there, it receives commands to saturate targets with TCP, UDP, or HTTP traffic. The infection is silent and leaves no visible traces on the user interface.
The botnet that does your dirty work without asking 😈
The funniest part of the matter is that the owners of these devices don't even notice. Their smart TV, which they barely use to watch Netflix, is working overtime as a soldier in a cyber war. Meanwhile, the attacker rubs their hands together watching their army of zombie set-top boxes and routers grow without spending a dime. At least the devices feel useful for once, even if it's just to bother others.