APT_REPORT/APT28/GRU's BlueDelta Targets Key Networks in Europe with Multi-Phase Espionage Campaigns.pdf at master · blackorbird/APT_REPORT · GitHub
https://github.com/blackorbird/APT_REPORT/blob/master/APT28/GRU's%20BlueDelta%20Targets%20Key%20Networks%20in%20Europe%20with%20Multi-Phase%20Espionage%20Campaigns.pdf