Malware researchers discovered two new malware families distributed through phishing campaigns last year carried out by the TA505 cybercriminal group: ServHelper backdoor with two variants and FlawedGrace remote access trojan (RAT). […]

from https://www.bleepingcomputer.com/news/security/ta505-group-adopts-new-servhelper-backdoor-and-flawedgrace-rat/