RATs or remote-administration tools are a perennial online pest.
Following last week's arrests of people who'd subscribed to the DroidJack RAT to spy on Android users, a security firm has now raised the alarm over another malicious subscription service.
This one is dubbed OmniRAT and is designed to target not just Android phones, but Windows, Mac and Linux PCs, according to Avast malware researcher Nikolaos Chrysaidos.
And, for once, some of what it can do looks genuinely useful.
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