Anomalous Linux Compiler Activity

Elastic Stack Serverless Security

Looks for compiler activity by a user context which does not normally run compilers. This can be the result of ad-hoc software changes or unauthorized software deployment. This can also be due to local privilege elevation via locally run exploits or malware activity.

Rule type: machine_learning

Rule indices: None

Severity: low

Risk score: 21

Runs every: 15m

Searches indices from: now-45m (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)

Maximum alerts per execution: 100

References: None

Tags:

• Elastic
• Host
• Linux
• Threat Detection
• ML
• Resource Development

Version: 100

Rule authors:

• Elastic

Rule license: Elastic License v2

Framework: MITRE ATT&CKTM

• Tactic:

  • Name: Resource Development
  • ID: TA0042
  • Reference URL: https://attack.mitre.org/tactics/TA0042/

• Technique:

  • Name: Obtain Capabilities
  • ID: T1588
  • Reference URL: https://attack.mitre.org/techniques/T1588/

• Sub-technique:

  • Name: Malware
  • ID: T1588.001
  • Reference URL: https://attack.mitre.org/techniques/T1588/001/