HOMETHREATSCMS8000 Backdoor
MALWARE FAMILY

CMS8000 Backdoor

Internal ID: elf.cms8000_backdoor
1
aliases
Last seen:Mar 17, 2026

Intelligence Profile

According to CISA, this is an implant found in firmware for the Contec CMS8000, a patient monitor used by the Healthcare and Public Health sector. An embedded backdoor function with a hard-coded IP address and functionality that enables patient data spillage was identified.

Threat Analysis

CMS8000 Backdoor is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.

External References

→https://claroty.com/team82/research/are-contec-cms8000-patient-monitors-infected-with-a-chinese-backdoor-the-reality-is-more-complicated
→https://www.cisa.gov/sites/default/files/2025-01/fact-sheet-contec-cms8000-contains-a-backdoor-508c.pdf

Quick Facts

TypeMalware Family
Aliases1

Also Known As

elf.cms8000_backdoor

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.
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