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Process Injection by the Microsoft Build Engine

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Process Injection by the Microsoft Build Engine

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An instance of MSBuild, the Microsoft Build Engine, created a thread in another process. This technique is sometimes used to evade detection or elevate privileges.

Rule type: query

Rule indices:

  • winlogbeat-*
  • logs-windows.*

Severity: low

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-6m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

Tags:

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

Version: 5 (version history)

Added (Elastic Stack release): 7.7.0

Last modified (Elastic Stack release): 7.12.0

Rule authors: Elastic

Rule license: Elastic License v2

Potential false positives

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The Build Engine is commonly used by Windows developers but use by non-engineers is unusual.

Rule query

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process.name:MSBuild.exe and event.action:"CreateRemoteThread detected
(rule: CreateRemoteThread)"

Threat mapping

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Framework: MITRE ATT&CKTM

Rule version history

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Version 5 (7.12.0 release)
  • Formatting only
Version 4 (7.11.2 release)
  • Formatting only
Version 3 (7.10.0 release)
  • Formatting only
Version 2 (7.9.0 release)
  • Formatting only
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