Malicious Microsoft Defender Threat Exclusion Added - Native (via windefend)

PremiumReviewedSigma · High · v1
Product
windows
Service
windefend
Author
HuntRule
Published
2026-09-01
Updated
2026-09-01

ATT&CK techniques

  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Cred Access

  9. Discovery

  10. Lateral Movement

  11. Collection

  12. C2

  13. Exfiltration

  14. Impact

What it detects

This rule detects scenarios where a threat exclusion is added to the antivirus in order to bypass its detection capacities.

Related detections9 linkedT1685 — drag to rearrange
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Malicious ESXi Firewall Disable via esxcli (via process_creation)
Malicious ESXi Syslog Redirection to tmp via esxcli
Suspicious Windows Defender Exclusion Enumeration via reg query (via process_creation)
Malicious Windows Defender Exclusion Added via PowerShell (via process_creation)
Malicious BYOVD EDR Kill via Renamed GMER Driver by Agonizing Serpens
Malicious Microsoft Defender Threat Exclusion Added - Native (via windefend)
Pivot detection · T1685 · 9 related

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