Malicious DAEMON Tools Backdoor Execution via rundll32 mcrypto (via process_creation)

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

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 an export of the mcrypto module used by the DAEMON Tools supply chain backdoor to run and clean up its payload. The distinctive misspelled chiper export marks the malicious loader invocation. Detecting this command surfaces proxied backdoor execution on the host.

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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.