[ServHelper](https://attack.mitre.org/software/S0382) is a backdoor first observed in late 2018. The backdoor is written in Delphi and is typically delivered as a DLL file.(Citation: Proofpoint TA505 Jan 2019)
Platforms: Windows
MITRE ATT&CK® is a registered trademark of The MITRE Corporation. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.