Possible Akira Ransomware VM Shutdown via vim-cmd

PremiumReviewedSigma · High · v1
Product
linux
Category
process_creation
Author
HuntRule
Published
2026-09-09
Updated
2026-09-09

ATT&CK techniques

Impact
  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

What it detects

This rule detects use of vim-cmd to power off virtual machines on an ESXi host, a step the Akira Rust ransomware performs before encrypting VM files. The encryptor enumerates guests with getallvms and forces them off to release locked disks. Detecting it can stop the attack before mass encryption begins.

Related detections9 linkedT1489 — drag to rearrange
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Malicious ESXi Virtual Machine Termination and Snapshot Removal
Malicious Stopping of Security or Backup Services Before Impact (via process_creation)
Malicious Massive Services Deletion Burst (via process_creation)
Malicious Security Service Tampering via wmic PathName Query (via process_creation)
Suspicious GhostLocker Watchdog Process Execution (via process_creation)
Malicious ESXi Virtual Machine Termination and Snapshot Removal via esxcli and vim-cmd (via process_creation)
Possible Akira Ransomware VM Shutdown via vim-cmd
Pivot detection · T1489 · 9 related

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