[SYSCON](https://attack.mitre.org/software/S0464) is a backdoor that has been in use since at least 2017 and has been associated with campaigns involving North Korean themes. [SYSCON](https://attack.mitre.org/software/S0464) has been delivered by the [CARROTBALL](https://attack.mitre.org/software/S0465) and [CARROTBAT](https://attack.mitre.org/software/S0462) droppers.(Citation: Unit 42 CARROTBAT November 2018)(Citation: Unit 42 CARROTBAT January 2020)