Suspicious Domain Trust Discovery via Nltest

PremiumReviewedSigma · Medium · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-05-20
Updated
2026-08-28

ATT&CK techniques

Discovery
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Cred Access

  9. Lateral Movement

  10. Collection

  11. C2

  12. Exfiltration

  13. Impact

What it detects

This rule detects nltest enumerating trusted domains, an Active Directory discovery step used to map trust relationships for lateral movement. This was observed after SonicWall VPN exploitation preceding Akira ransomware. Domain trust enumeration from user context or servers often marks hands-on-keyboard reconnaissance.

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Pivot detection · T1482 · 9 related

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