[RainyDay](https://attack.mitre.org/software/S0629) is a backdoor tool that has been used by [Naikon](https://attack.mitre.org/groups/G0019) since at least 2020.(Citation: Bitdefender Naikon April 2021)
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.