Suspicious Linux Boot Persistence via rc.local or init.d Modification (via file_event)

PremiumReviewedSigma · Medium · v1
Product
linux
Category
file_event
Author
HuntRule
Published
2026-10-06
Updated
2026-10-06

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 modification of /etc/rc.d/rc.local or files under /etc/init.d which the DinodasRAT Linux implant abuses to survive reboots by registering itself as a boot-time service which is a common Linux persistence technique warranting review.

Related detections9 linkedT1543.002 — drag to rearrange
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Suspicious Systemd Service Unit Creation In System Directory
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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 Linux Boot Persistence via rc.local or init.d Modification (via file_event)
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.