Malicious FortiManager Unregistered Device Add Indicating CVE-2024-47575 Exploitation (via application)

PremiumReviewedSigma · High · v1
Product
fortimanager
Author
HuntRule
Published
2026-10-12
Updated
2026-10-12

ATT&CK techniques

Initial Access
  1. Recon

  2. Resource Dev

  3. Execution

  4. Persistence

  5. Priv Esc

  6. Defense Evasion

  7. Cred Access

  8. Discovery

  9. Lateral Movement

  10. Collection

  11. C2

  12. Exfiltration

  13. Impact

What it detects

This rule detects the FortiManager event log message indicating an unregistered device from localhost was successfully added, the core exploitation artifact of the FGFM protocol zero-day CVE-2024-47575. Successful registration of an attacker-controlled device grants remote access to managed configuration data.

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Malicious FortiManager Unregistered Device Add Indicating CVE-2024-47575 Exploitation (via application)
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Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.