huntrule

Possible Persistence Through CHM Helper DLL (via registry_set)

This rule detects when an adversary modifies the registry key "HtmlHelp Author" to achieve persistence

SigmahighWindowsv1
Full detection rule

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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.