[Line Runner](https://attack.mitre.org/software/S1188) is a persistent backdoor and web shell allowing threat actors to upload and execute arbitrary Lua scripts. [Line Runner](https://attack.mitre.org/software/S1188) is associated with the [ArcaneDoor](https://attack.mitre.org/campaigns/C0046) campaign.(Citation: CCCS ArcaneDoor 2024)(Citation: Cisco ArcaneDoor 2024)