Suspicious Registry Value under Console WindowsUpdates for C2 Storage

PremiumReviewedSigma · Medium · v1
Product
windows
Category
registry_set
Author
HuntRule
Published
2026-10-28
Updated
2026-10-28

ATT&CK techniques

Persistence → Defense Evasion
  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 creation or modification of a WindowsUpdates value under the HKCU Console key, where Shuckworm GammaSteel stores its command and control configuration. This registry location is not used by legitimate console settings for such data.

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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.