Short-lived Azure AD user account

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	1 Hour
Deduplication Period	1 Day
Required Data	AzureAD Audit Log
Detection Modules	Identity Threat Module, SaaS Threat Detection
ATT&CK Tactic	Stealth (TA0005)
ATT&CK Technique	Valid Accounts (T1078)
Severity	Informational

Description

An Azure AD user was created and deleted within a short period of time.

Attacker's Goals

Evasion using a valid account.

Investigative actions

• Check the user who created the account and verify the activity.
• Confirm that the account creation was not accidental.

Variations

Abnormal Short-lived Azure AD user account

Synopsis

Field	Value
ATT&CK Tactic	Stealth (TA0005)
ATT&CK Technique	Valid Accounts (T1078)
Severity	Low

Description

An Azure AD user was created and deleted within a short period of time.

Attacker's Goals

Evasion using a valid account.

Investigative actions

• Check the user who created the account and verify the activity.
• Confirm that the account creation was not accidental.