[SnappyTCP](https://attack.mitre.org/software/S1163) is a web shell used by [Sea Turtle](https://attack.mitre.org/groups/G1041) between 2021 and 2023 against multiple victims. [SnappyTCP](https://attack.mitre.org/software/S1163) appears to be based on a public GitHub project that has since been removed from the code-sharing site. [SnappyTCP](https://attack.mitre.org/software/S1163) includes a simple reverse TCP shell for Linux and Unix environments with basic command and control capabilities.(Citation: PWC Sea Turtle 2023)