Suspicious Data Exfiltration via Rclone Remote Copy

PremiumReviewedSigma · Medium · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-09-22
Updated
2026-09-22

ATT&CK techniques

Exfiltration
  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. Impact

What it detects

This rule detects rclone-style command lines that reference a config file and copy data to a remote destination, matching the Sinobi exfiltration step. The actors ran rclone with a custom config to copy victim data to attacker-controlled cloud storage before encryption. Bulk copy to a remote target via rclone flags is a common precursor to double-extortion ransomware.

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Pivot detection · T1567.002 · 9 related

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