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MalwareAug 25, 2026

First Malware Built Specifically for Car Head Units Fuels Botnet

New malware targets car head units, fueling the BadBox botnet with millions of devices.

Kaspersky researchers have identified the first malware specifically designed for car head units, exploiting a vulnerability in the software update system of DoFun infotainment systems. This malware is linked to the BadBox botnet, which has already compromised millions of Android devices, and suggests an expansion of the threat actors' targeting methods beyond budget devices.

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The lesson from this incident

Full lesson

Threat actors exploited a vulnerability in the software update mechanism of DoFun infotainment systems to deploy the first malware specifically designed for automotive head units, tying compromised vehicles into the BadBox botnet. This attack highlights how the attack surface for botnets is rapidly expanding beyond traditional consumer electronics into embedded systems in vehicles, where security patching is often infrequent or ignored. The exploitation of the update pipeline itself is particularly dangerous, as it subverts a trusted channel that users and manufacturers rely upon for security fixes. As connected vehicles become more prevalent, insecure software update processes in automotive components represent a critical and largely underappreciated risk vector.

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Indicators of Compromise

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  • malware — BadBox

Entities

DoFun (vendor)MoYu Group (threat_actor)