Suspicious System Reconnaissance Output Redirected to PDF File (via process_creation)

PremiumReviewedSigma · Medium · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-10-22
Updated
2026-10-22

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 command shell reconnaissance that queries installed antivirus via WMI and appends the results to a file for later exfiltration. TA397 staged tasklist and SecurityCenter2 AntiVirusProduct output into abc.pdf before uploading it.

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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.