Malicious SQL Server Lateral Movement with CLR Activation (via application)

PremiumReviewedSigma · High · v1
Product
mssql
Category
application
Author
HuntRule
Published
2026-09-03
Updated
2026-09-03

ATT&CK techniques

Persistence
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  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 enables CLR (Common Language Runtime with .NET) to abuse store procedures in order to move lateraly.

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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.