Suspicious Path Traversal POST to Ivanti Cloud Server Test Connection Endpoint

PremiumReviewedSigma · High · v1
Category
webserver
Author
HuntRule
Published
2026-11-02
Updated
2026-11-02

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 HTTP POST requests containing path traversal sequences targeting the Ivanti Connect Secure cloud-server-test-connection maintenance endpoint. This request pattern was used to exploit Ivanti Connect Secure zero-day vulnerabilities for unauthenticated command injection. Successful exploitation grants remote code execution on the appliance.

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Suspicious Path Traversal POST to Ivanti Cloud Server Test Connection Endpoint
Pivot detection · T1190 · 9 related

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