Octagon, a previously undocumented Android banking and cryptocurrency fraud platform marketed as malware-as-a-service by a Russian-speaking actor using the handle AndroidKitKat. First advertised on a Russian-language cybercrime forum on June 1, 2026, the toolkit combines abuse of accessibility, stealthy remote control, credential-stealing overlays, SMS interception, and device reconnaissance to enable direct account takeover and cryptocurrency […]
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