Suspicious Binary Writes Through AnyDesk (via file_event)

This rule detects AnyDesk writing binary files to disk other than "gcapi.dll". According to RedCanary research it is highly abnormal for AnyDesk to write executable files to disk besides gcapi.dll, which is a legitimate DLL that is part of the Google Chrome web browser used to interact with the Google Cloud API. (See reference section for more details)

SigmahighWindowsv1
Full detection rule

Unlock this rule to view and copy it

Rule logic is available with an unlock credit. The public page keeps its context, mappings and implementation details visible.

Sign in to unlock

Known false positives

  • Unknown

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