Russian Turla Hackers Target Polish NGOs with New TinyTurla-NG Backdoor

The Russia-linked threat actor known as Turla has been observed using a new backdoor called TinyTurla-NG as part of a three-month-long campaign targeting Polish non-governmental organizations in December 2023.
“TinyTurla-NG, just like TinyTurla, is a small ‘last chance’ backdoor that is left behind to be used when all other unauthorized access/backdoor mechanisms have failed or been