An instance of the Microsoft Build Engine (MSBuild) was started after being renamed. This is uncommon behavior and may indicate an attempt to run unnoticed or undetected.
Rule type: eql
Risk score: 21
Runs every: 5m
Maximum alerts per execution: 100
- Threat Detection
- Defense Evasion
Rule license: Elastic License v2
## Config If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2, events will not define `event.ingested` and default fallback for EQL rules was not added until 8.2, so you will need to add a custom pipeline to populate `event.ingested` to @timestamp for this rule to work.
process where event.type in ("start", "process_started") and process.pe.original_file_name == "MSBuild.exe" and not process.name : "MSBuild.exe"
Framework: MITRE ATT&CKTM
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
- Name: Masquerading
- ID: T1036
- Reference URL: https://attack.mitre.org/techniques/T1036/
- Name: Rename System Utilities
- ID: T1036.003
- Reference URL: https://attack.mitre.org/techniques/T1036/003/