Suspicious macOS Installer Invocation Spawned via Zoom Opener Helper (via process_creation)

PremiumReviewedSigma · Medium · v1
Product
macos
Category
process_creation
Author
HuntRule
Published
2026-07-01
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 the macOS installer utility being launched with package and target arguments from a Zoom helper context. This maps to the ZoomOpener local webserver drive-by chain where a crafted launch request triggers installation of an attacker-supplied package. An attacker abuses this to silently install malicious software leading to remote code execution.

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Pivot detection · T1204.002 · 9 related

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