Suspicious Local Account Creation via Net Command

PremiumReviewedSigma · Medium · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-07-26
Updated
2026-08-28

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 local user account creation through the net utility, a living-off-the-land technique used to establish persistence, including accounts masquerading as WDAGUtilityAccount or ASP.NET service identities. Attackers add accounts to retain access after initial compromise. Unexpected account creation on endpoints is a common persistence and privilege staging step.

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Default Account Usage
Suspicious Local Account Creation via Net Command
Pivot detection · T1136.001 · 9 related

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