Suspicious Shell Spawned by PostgreSQL Server via COPY FROM PROGRAM on Linux

PremiumReviewedSigma · High · v1
Product
linux
Category
process_creation
Author
HuntRule
Published
2026-07-21
Updated
2026-08-28

ATT&CK techniques

Initial Access → Execution
  1. Recon

  2. Resource Dev

  3. Persistence

  4. Priv Esc

  5. Defense Evasion

  6. Cred Access

  7. Discovery

  8. Lateral Movement

  9. Collection

  10. C2

  11. Exfiltration

  12. Impact

What it detects

This rule detects a PostgreSQL server process spawning a command shell which indicates abuse of the COPY FROM PROGRAM feature for arbitrary command execution as used by the DreamBus botnet after brute-forcing weak database credentials. A database engine launching a shell is not normal behavior and points to post-authentication remote code execution.

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Suspicious Shell Spawned by PostgreSQL Server via COPY FROM PROGRAM on Linux
Pivot detection · T1059 · 9 related

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