Suspicious ShadowGuard Rootkit Hidden Artifacts via swsecret Files (via file_event)

PremiumReviewedSigma · High · v1
Product
linux
Category
file_event
Author
HuntRule
Published
2026-06-27
Updated
2026-08-28

ATT&CK techniques

Defense Evasion
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Cred Access

  9. Discovery

  10. Lateral Movement

  11. Collection

  12. C2

  13. Exfiltration

  14. Impact

What it detects

This rule detects creation of the swsecret_config.txt and swsecret_data artifacts used by the ShadowGuard rootkit to store hidden configuration and data in the Shadow espionage campaigns. These named files back the rootkit hiding logic, so their appearance on disk indicates rootkit deployment.

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Suspicious Fileless Execution From Memory File Descriptor via PUMAKIT
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Suspicious ShadowGuard Rootkit Hidden Artifacts via swsecret Files (via file_event)
Pivot detection · T1014 · 9 related

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