sigmahighHunting

Loading of Kernel Module via Insmod

Detects loading of kernel modules with insmod command. Loadable Kernel Modules (LKMs) are pieces of code that can be loaded and unloaded into the kernel upon demand. Adversaries may use LKMs to obtain persistence within the system or elevate the privileges.

MITRE ATT&CK

T1547.006

persistenceprivilege-escalation

Detection Query

selection:
  type: SYSCALL
  comm: insmod
  exe: /usr/bin/kmod
condition: selection

Author

Pawel Mazur

Created

2021-11-02

Data Sources

linuxauditd

Platforms

linux

References

Tags

attack.persistenceattack.privilege-escalationattack.t1547.006

Raw Content

title: Loading of Kernel Module via Insmod
id: 106d7cbd-80ff-4985-b682-a7043e5acb72
status: test
description: |
    Detects loading of kernel modules with insmod command.
    Loadable Kernel Modules (LKMs) are pieces of code that can be loaded and unloaded into the kernel upon demand.
    Adversaries may use LKMs to obtain persistence within the system or elevate the privileges.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1547.006/T1547.006.md
    - https://linux.die.net/man/8/insmod
    - https://man7.org/linux/man-pages/man8/kmod.8.html
author: 'Pawel Mazur'
date: 2021-11-02
modified: 2022-12-25
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.t1547.006
logsource:
    product: linux
    service: auditd
detection:
    selection:
        type: 'SYSCALL'
        comm: insmod
        exe: /usr/bin/kmod
    condition: selection
falsepositives:
    - Unknown
level: high