Malicious Obsidian Spawning Command Interpreter via Shell Commands Plugin

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-05-19
Updated
2026-08-28

ATT&CK techniques

Execution
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Persistence

  5. Priv Esc

  6. Defense Evasion

  7. Cred Access

  8. Discovery

  9. Lateral Movement

  10. Collection

  11. C2

  12. Exfiltration

  13. Impact

What it detects

This rule detects the Obsidian note taking application spawning PowerShell, cmd or a shell as abused by the PhantomPulse RAT delivery chain through the Shell Commands plugin in Elastic research. A document editor launching a command interpreter is anomalous and indicates weaponized vault content executing attacker code.

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Malicious Obsidian Spawning Command Interpreter via Shell Commands Plugin
Pivot detection · T1059.001 · 9 related

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