Suspicious Path Mounted

Last updated 6 months ago on 2025-07-07

Created 8 months 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

MITRE ATT&CK™

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

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

License

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

✄𐘗text code block:
✄𐘗process 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(external, opens in a new tab or window).