A user logged in at an unusual time via SSO

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-04
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

1 Hour

Required Data

  • Requires:
    • AzureAD

Detection Modules

Identity Analytics

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Valid Accounts (T1078)

Severity

Informational

Description

A user connected via SSO on a day and hour that is unusual for this user. This may indicate that the account was compromised.

Attacker's Goals

An attacker is attempting to evade detection.

Investigative actions

  • Check the login of the user.
  • Check further actions done by the account (e.g. creating files in suspicious locations, creating users, elevating permissions, etc.).
  • Check if the user accessing remote resources or connecting to other services.
  • Check if the user is logging in from an unusual time zone while traveling.
  • Check if the user usually logs in from this country.

Variations

Google Workspace - A user logged in at an unusual time via SSO

Synopsis

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Valid Accounts (T1078)

Severity

Informational

Description

A user connected via SSO on a day and hour that is unusual for this user. This may indicate that the account was compromised.

Attacker's Goals

An attacker is attempting to evade detection.

Investigative actions

  • Check the login of the user.
  • Check further actions done by the account (e.g. creating files in suspicious locations, creating users, elevating permissions, etc.).
  • Check if the user accessing remote resources or connecting to other services.
  • Check if the user is logging in from an unusual time zone while traveling.
  • Check if the user usually logs in from this country.