Virtual Machine Fingerprinting
editVirtual Machine Fingerprinting
editAn 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-*
- logs-endpoint.events.*
Severity: high
Risk score: 73
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
Tags:
- Elastic
- Host
- Linux
- Threat Detection
- Discovery
Version: 5 (version history)
Added (Elastic Stack release): 7.8.0
Last modified (Elastic Stack release): 7.11.2
Rule authors: Elastic
Rule license: Elastic License
Potential false positives
editCertain 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
editevent.category:process and event.type:(start or process_started) 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
editFramework: MITRE ATT&CKTM
-
Tactic:
- Name: Discovery
- ID: TA0007
- Reference URL: https://attack.mitre.org/tactics/TA0007/
-
Technique:
- Name: System Information Discovery
- ID: T1082
- Reference URL: https://attack.mitre.org/techniques/T1082/
Rule version history
edit- Version 5 (7.11.2 release)
-
- Formatting only
- Version 4 (7.10.0 release)
-
- Formatting only
- Version 3 (7.9.1 release)
-
- Formatting only
- Version 2 (7.9.0 release)
-
-
Updated query, changed from:
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
-