Linux local user account creation

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	XDR Agent
Detection Modules	Identity Analytics
ATT&CK Tactic	Persistence (TA0003)
ATT&CK Technique	Valid Accounts (T1078), Valid Accounts: Local Accounts (T1078.003)
Severity	Informational

Description

A user executed a process associated with user account creation.

Attacker's Goals

Persistence using a valid account.

Investigative actions

• Check the user who created the account and verify its activity.
• Investigate whether the same account was created on different hosts as part of an installation process.

Variations

Linux local user account creation by non-root user

Synopsis

Field	Value
ATT&CK Tactic	Persistence (TA0003)
ATT&CK Technique	Valid Accounts (T1078), Valid Accounts: Local Accounts (T1078.003)
Severity	Low

Description

A non-root user executed a process associated with user account creation. This user does not regularly create accounts.

Attacker's Goals

Persistence using a valid account.

Investigative actions

• Check the user who created the account and verify its activity.
• Investigate whether the same account was created on different hosts as part of an installation process.