A user account was modified to password never expires

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	Requires one of the following data sources: Windows Event Collector OR XDR Agent with eXtended Threat Hunting (XTH)
Detection Modules	Identity Analytics
ATT&CK Tactic	Initial Access (TA0001)
ATT&CK Technique	Valid Accounts (T1078)
Severity	Informational

Description

A user account was modified to password never expires.

Attacker's Goals

An attacker may attempt to gain access to the account.

Investigative actions

• Confirm that the account is not a temporary account that could be exploited by an attacker.* Verify this action with the user who performed the change.* Ensure the organization has a strong password aging policy.

Variations

A sensitive account was modified to password never expires

Synopsis

Field	Value
ATT&CK Tactic	Initial Access (TA0001)
ATT&CK Technique	Valid Accounts (T1078)
Severity	Low

Description

A sensitive user account was modified to password never expires. This account is a sensitive account as part of a sensitive built-in Active Directory group.

Attacker's Goals

An attacker may attempt to gain access to the account.

Investigative actions

• Confirm that the account is not a temporary account that could be exploited by an attacker.* Verify this action with the user who performed the change.* Ensure the organization has a strong password aging policy.