[MOPSLED](https://attack.mitre.org/software/S1221) is a shellcode-based modular backdoor that has been used by China-nexus cyber espionage actors including [UNC3886](https://attack.mitre.org/groups/G1048) and [APT41](https://attack.mitre.org/groups/G0096).(Citation: Google Cloud Mandiant UNC3886 2024)