[Denis](https://attack.mitre.org/software/S0354) is a Windows backdoor and Trojan used by [APT32](https://attack.mitre.org/groups/G0050). [Denis](https://attack.mitre.org/software/S0354) shares several similarities to the [SOUNDBITE](https://attack.mitre.org/software/S0157) backdoor and has been used in conjunction with the [Goopy](https://attack.mitre.org/software/S0477) backdoor.(Citation: Cybereason Oceanlotus May 2017)