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Elastic Docs ›SIEM Guide [7.8] ›Detections (beta) ›Prebuilt rule reference

Virtual Machine Fingerprinting

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Virtual Machine Fingerprinting

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An adversary may attempt to get detailed information about the operating system and hardware. This rule identifies common locations used to discover virtual machine hardware by a non-root user. This technique has been used by Pupy RAT and other malware.

Rule type: query

Rule indices:

  • auditbeat-*

Severity: high

Risk score: 73

Runs every: 5 minutes

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

Maximum signals per execution: 100

Tags:

  • Elastic
  • Linux

Version: 1

Added (Elastic Stack release): 7.8.0

Potential false positives

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Certain tools or automated software may enumerate hardware information. These tools can be exempted via user name or process arguments to eliminate potential noise.

Rule query

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event.action:executed and
process.args:("/sys/class/dmi/id/bios_version" or
"/sys/class/dmi/id/product_name" or "/sys/class/dmi/id/chassis_vendor"
or "/proc/scsi/scsi" or "/proc/ide/hd0/model") and not user.name:root

Threat mapping

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Framework: MITRE ATT&CKTM

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