Creation Of A Local User Account

testlow
log source: macos · process_creationauthor Alejandro Ortuno, oscd.communitydate 2020-10-06
01

description

What this is, in brief.

Detects the creation of a new user account. Such accounts may be used for persistence that do not require persistent remote access tools to be deployed on the system.

02

tags

attack.t1136.001attack.persistence
03

rule source (YAML)

title: Creation Of A Local User Account
id: 51719bf5-e4fd-4e44-8ba8-b830e7ac0731
status: test
description: Detects the creation of a new user account. Such accounts may be used for persistence that do not require persistent remote access tools to be deployed on the system.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1136.001/T1136.001.md
    - https://ss64.com/osx/sysadminctl.html
author: Alejandro Ortuno, oscd.community
date: 2020-10-06
modified: 2023-02-18
tags:
    - attack.t1136.001
    - attack.persistence
logsource:
    category: process_creation
    product: macos
detection:
    selection_dscl:
        Image|endswith: '/dscl'
        CommandLine|contains: 'create'
    selection_sysadminctl:
        Image|endswith: '/sysadminctl'
        CommandLine|contains: 'addUser'
    condition: 1 of selection_*
falsepositives:
    - Legitimate administration activities
level: low
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.