Suspicious Azure Credential Hunting via MicroBurst Modules

PremiumReviewedSigma · Medium · v1
Product
windows
Category
ps_script
Author
HuntRule
Published
2026-05-24
Updated
2026-08-28

ATT&CK techniques

Cred Access
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Discovery

  9. Lateral Movement

  10. Collection

  11. C2

  12. Exfiltration

  13. Impact

What it detects

This rule detects execution of MicroBurst secret-hunting PowerShell modules used to enumerate and extract credentials from Azure resources such as automation accounts, logic applications, and VM extensions. Such activity indicates cloud credential harvesting during an intrusion.

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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.