[PS1](https://attack.mitre.org/software/S0613) is a loader that was used to deploy 64-bit backdoors in the [CostaRicto](https://attack.mitre.org/groups/G0132) campaign.(Citation: BlackBerry CostaRicto November 2020)
Actors that use this
0 tracked actors
No tracked actor uses this yet
Not linked to any of our tracked MENA actors in actor_software — still browsable via the ATT&CK dictionary above.