Your comment didn't age well. https://www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst

Your comment didn't age well. https://www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html https://www.fireeye.com/blog/threat-research/2020/12/evasive... If this is not sophisticated, I don't know what is.