Elastic Security Detection Rules

Suspicious Path Mounted

Last updated 19 days ago on 2025-04-25
Created 19 days ago on 2025-04-25

About

This rule detects suspicious paths mounted on Linux systems. The mount command is used to attach filesystems to the system, and attackers may use it to mount malicious filesystems or directories for data exfiltration or persistence.
Tags
Domain: EndpointOS: LinuxUse Case: Threat DetectionTactic: Defense EvasionData Source: Elastic DefendLanguage: eql
Severity
low
Risk Score
21
MITRE ATT&CK™

Defense Evasion (TA0005)(opens in a new tab or window)

↳ Hide Artifacts (T1564)(opens in a new tab or window)

License
Elastic License v2(opens in a new tab or window)

Definition

Rule Type
Event Correlation Rule
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
logs-endpoint.events.process*
Related Integrations

endpoint(opens in a new tab or window)

Query
process where host.os.type == "linux" and event.type == "start" and event.action == "exec" and process.name == "mount" and 
process.args like ("/tmp/*", "/var/tmp/*", "/dev/shm/*", "/home/*", "/root/*", "/mount") and process.parent.executable != null and
not (
  process.parent.executable like ("/bin/*", "/usr/bin/*", "/usr/local/bin/*", "/sbin/*", "/usr/sbin/*", "/usr/local/sbin/*", "/usr/libexec/*") or
  process.parent.name == "snapd"
)

Install detection rules in Elastic Security

Detect Suspicious Path Mounted in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).