Encoded Executable Stored in the Registryedit

Identifies registry write modifications to hide an encoded portable executable. This could be indicative of adversary defense evasion by avoiding the storing of malicious content directly on disk.

Rule type: eql

Rule indices:

  • logs-endpoint.events.*
  • winlogbeat-*
  • logs-windows.*

Severity: medium

Risk score: 47

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References: None


  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Defense Evasion

Version: 4

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule queryedit

registry where
/* update here with encoding combinations */
 registry.data.strings : "TVqQAAMAAAAEAAAA*"