Malicious Defender Real-Time Monitoring Disabled via Process Creation

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-10-07
Updated
2026-10-07

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 command lines that disable Microsoft Defender real-time or behavior monitoring. The miner, keylogger and backdoor campaign against B2B organizations uses start.cmd and runxm1.cmd scripts to turn off Defender protections before deploying its payloads.

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Malicious Defender Real-Time Monitoring Disabled via Process Creation
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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.