Suspicious Scheduled Task Masquerading as Office Update via Process Creation

PremiumReviewedSigma · Medium · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-09-15
Updated
2026-09-15

ATT&CK techniques

Execution → Priv Esc
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Defense Evasion

  5. Cred Access

  6. Discovery

  7. Lateral Movement

  8. Collection

  9. C2

  10. Exfiltration

  11. Impact

What it detects

This rule detects creation of a scheduled task named Office Automatic Updates 2.0 by a parent other than the legitimate OfficeClickToRun updater, the SYSTEM-level persistence disguise used in the SHIM Me What You Got technique. Adversaries mimic a trusted Office task name to blend malicious persistence with routine update tasks.

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Suspicious Scheduled Task Masquerading as Office Update via Process Creation
Pivot detection · T1053.005 · 9 related

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