[Gootloader](https://attack.mitre.org/software/S1138) is a Javascript-based infection framework that has been used since at least 2020 as a delivery method for the Gootkit banking trojan, [Cobalt Strike](https://attack.mitre.org/software/S0154), [REvil](https://attack.mitre.org/software/S0496), and others. [Gootloader](https://attack.mitre.org/software/S1138) operates on an "Initial Access as a Service" model and has leveraged [SEO Poisoning](https://attack.mitre.org/techniques/T1608/006) to provide access to entities in multiple sectors worldwide including financial, military, automotive, pharmaceutical, and energy.(Citation: Sophos Gootloader)(Citation: SentinelOne Gootloader June 2021)