IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Linux User Account Creation
editLinux User Account Creation
editIdentifies attempts to create new users. Attackers may add new users to establish persistence on a system.
Rule type: eql
Rule indices:
- logs-system.auth-*
Severity: low
Risk score: 21
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References: None
Tags:
- Domain: Endpoint
- OS: Linux
- Use Case: Threat Detection
- Tactic: Persistence
Version: 1
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editiam where host.os.type == "linux" and (event.type == "user" and event.type == "creation") and
process.name in ("useradd", "adduser") and user.name != null
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Create Account
- ID: T1136
- Reference URL: https://attack.mitre.org/techniques/T1136/
-
Sub-technique:
- Name: Local Account
- ID: T1136.001
- Reference URL: https://attack.mitre.org/techniques/T1136/001/