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.

Related detections9 linkedT1543.002 — drag to rearrange
Malicious Koske Persistence via Systemd Service and Shell Profile Hijack (via process_creation)
Suspicious Linux CoinMiner Watchdog Staging in Shared Memory (via process_creation)
Suspicious systemd Service Persistence Creation (via process_creation)
Masquerading Systemd Service Masquerade via Systemctl Reenable of rsyslogd (via process_creation)
Suspicious Systemd Service Masquerading as Sysmon (via file_event)
APT28 httd Implant Persistence via systemd linux.service from Boot Directory (via process_creation)
Malicious Keyhunter Worker Systemd Unit File Creation
Masquerading Execution of Binary from Var Log Directory (via process_creation)
Suspicious File Immutability Set via chattr for Anti-Removal on Linux
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.