Threat Actors Target Exposed Remote Desktop Protocol To Deploy Ransomware

Threat actors were discovered targeting open Remote Desktop Protocol (RDP) ports with variants from a range of ransomware families including Redeemer, NYX, Vohu, Amelia, BlackHunt, and MedusaLocker. Online scanners were used to discover devices while stolen credentials or vulnerabilities were used as the initial access vector. In some instances, adversaries were discovered exploiting the Microsoft Windows RDP BlueKeep vulnerability (CVE-2019-0708) to gain entry.