Detectionmediumtest

Mount Execution With Hidepid Parameter

Detects execution of the "mount" command with "hidepid" parameter to make invisible processes to other users from the system

Convert In Phoenix Studio

Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Launch

Joseliyo SanchezCreated Thu Jan 12ec52985a-d024-41e3-8ff6-14169039a0b3linux

Log Source

LinuxProcess Creation

ProductLinux← raw: linux

CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic

detection:
    selection:
        Image|endswith: '/mount'
        CommandLine|contains|all:
            - 'hidepid=2'
            - ' -o '
    condition: selection

False Positives

Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

References

MITRE ATT&CK

Tactics

TA0006 · Credential Access TA0005 · Defense Evasion

Techniques

T1564 · Hide Artifacts

Rule Metadata

Rule ID

ec52985a-d024-41e3-8ff6-14169039a0b3

Status

test

Level

medium

Type

Detection

Created

Thu Jan 12

Author

Joseliyo Sanchez

Path

rules/linux/process_creation/proc_creation_lnx_mount_hidepid.yml

Raw Tags

attack.credential-accessattack.defense-evasionattack.t1564

View on GitHub