Malicious Mispadu Payload Execution from WebDAV Share via Rundll32 (via process_creation)

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-10-19
Updated
2026-10-19

ATT&CK techniques

Defense Evasion
  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

  14. Impact

What it detects

This rule detects rundll32.exe executing a DLL from a remote WebDAV share referenced through a file URL, a delivery technique used by the Mispadu infostealer to bypass SmartScreen and run its payload. Mispadu is a Latin American banking trojan that harvests browser credentials, and this remote execution path lets it evade reputation-based controls during initial access.

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Pivot detection · T1218.011 · 9 related

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