Suspicious Java Process Spawning Reconnaissance Commands via Cleo MFT (via process_creation)

PremiumReviewedSigma · Medium · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-08-09
Updated
2026-08-28

ATT&CK techniques

Execution → Discovery
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Persistence

  5. Priv Esc

  6. Defense Evasion

  7. Cred Access

  8. Lateral Movement

  9. Collection

  10. C2

  11. Exfiltration

  12. Impact

What it detects

This rule detects a Java process spawning a shell that runs host and domain reconnaissance commands. The Cleopatra Java backdoor, delivered by exploiting Cleo managed file transfer software, executed discovery utilities such as nltest, net view and systeminfo through child shells.

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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.