Suspicious Forest Blizzard GooseEgg Batch Launcher Chain (via process_creation)

PremiumReviewedSigma · Medium · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-06-26
Updated
2026-08-28

ATT&CK techniques

Execution
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Persistence

  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 execution of the GooseEgg batch launcher files that write and invoke servtask.bat. Forest Blizzard used execute.bat and doit.bat to drop servtask.bat and trigger CVE-2022-38028 privilege escalation.

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Suspicious Forest Blizzard GooseEgg Batch Launcher Chain (via process_creation)
Pivot detection · T1059.003 · 9 related

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