POWERTON - S0371 (e85cae1a-bce3-4ac4-b36b-b00acac0567b)
POWERTON is a custom PowerShell backdoor first observed in 2018. It has typically been deployed as a late-stage backdoor by APT33. At least two variants of the backdoor have been identified, with the later version containing improved functionality.(Citation: FireEye APT33 Guardrail)