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Trusted Developer Application Usage

Identifies possibly suspicious activity using a trusted Windows developer utility program.

Rule type: query

Rule indices:

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:

Version: 3 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.9.0

Rule authors: Elastic

Rule license: Elastic License

These programs may be used by Windows developers but use by non-engineers is unusual.

event.code:1 and process.name:(MSBuild.exe or msxsl.exe)

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
Technique:
- Name: Trusted Developer Utilities
- ID: T1127
- Reference URL: https://attack.mitre.org/techniques/T1127/
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
Technique:
- Name: Trusted Developer Utilities
- ID: T1127
- Reference URL: https://attack.mitre.org/techniques/T1127/

Version 3 (7.9.0 release)

Version 2 (7.7.0 release)

Updated query, changed from:

event.code:1 and (process.name:MSBuild.exe or process.name:msxsl.exe)