sigma-rules/rules/linux/discovery_virtual_machine_fingerprinting.toml

[metadata]
creation_date = "2020/04/27"
integration = ["endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/02/22"

[rule]
author = ["Elastic"]
description = """
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 the Pupy
RAT and other malware.
"""
false_positives = [
    """
    Certain tools or automated software may enumerate hardware information. These tools can be exempted via user name or
    process arguments to eliminate potential noise.
    """,
]
from = "now-9m"
index = ["auditbeat-*", "logs-endpoint.events.*", "endgame-*"]
language = "kuery"
license = "Elastic License v2"
name = "Virtual Machine Fingerprinting"
risk_score = 73
rule_id = "5b03c9fb-9945-4d2f-9568-fd690fee3fba"
severity = "high"
tags = ["Elastic", "Host", "Linux", "Threat Detection", "Discovery", "Elastic Endgame"]
timestamp_override = "event.ingested"
type = "query"

query = '''
event.category:process and host.os.type:linux 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
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1082"
name = "System Information Discovery"
reference = "https://attack.mitre.org/techniques/T1082/"


[rule.threat.tactic]
id = "TA0007"
name = "Discovery"
reference = "https://attack.mitre.org/tactics/TA0007/"