Malicious Linux systemd Persistence miasma-monitor.service

PremiumReviewedSigma · High · v1
Product
linux
Category
file_event
Author
HuntRule
Published
2026-06-05
Updated
2026-08-28

ATT&CK techniques

Persistence → Priv Esc
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Defense Evasion

  6. Cred Access

  7. Discovery

  8. Lateral Movement

  9. Collection

  10. C2

  11. Exfiltration

  12. Impact

What it detects

This rule detects creation of a systemd unit named miasma-monitor.service, the Linux persistence installed by the AsyncAPI npm supply chain compromise. The service relaunches the import-time payload across reboots to keep the compromised developer host under attacker control.

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Suspicious Linux Boot Persistence via rc.local or init.d Modification (via file_event)
Malicious systemd-daemon Masquerading Binary Execution on Linux
Suspicious Masquerading systemd Unit display-managerd Creation via File System
Suspicious Systemd Service Unit Written to System Directory (via process_creation)
Malicious Linux systemd Persistence miasma-monitor.service
Pivot detection · T1543.002 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.