Cyberespionage Campaign in Ukraine Uses Free and Custom RATs

Security researchers have been tracking a sustained cyberespionage campaign against Ukrainian government institutions that uses a combination of free and custom-made remote access Trojans (RATs). The malware programs involved in the years-long campaign are Quasar RAT, Sobaken RAT and Vermin and have been documented before, either as standalone threats or together. However, security researchers from …

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