SSO with abnormal user agent

Cortex XDR Analytics Alert Reference by data source

Product
Cortex XDR
Last date published
2024-12-03
Category
Analytics Alert Reference
Order
data source

Synopsis

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:
    • Okta
      OR
    • AzureAD
      OR
    • Azure SignIn Log
      OR
    • Duo
      OR
    • PingOne

Detection Modules

Identity Analytics

Detector Tags

ATT&CK Tactic

Initial Access (TA0001)

ATT&CK Technique

Valid Accounts: Domain Accounts (T1078.002)

Severity

Informational

Description

A user successfully authenticated via SSO with an abnormal user agent.

Attacker's Goals

Use a legitimate user and authenticate via an SSO service to gain access to the network.

Investigative actions

  • Confirm that the activity is benign (e.g. the user has really moved to a new user agent app).
  • Follow actions and suspicious activities regarding the user.

Variations

SSO with an offensive user agent

Synopsis

ATT&CK Tactic

Initial Access (TA0001)

ATT&CK Technique

Valid Accounts: Domain Accounts (T1078.002)

Severity

Low

Description

A user successfully authenticated via SSO with an offensive user agent.

Attacker's Goals

Use a legitimate user and authenticate via an SSO service to gain access to the network.

Investigative actions

  • Confirm that the activity is benign (e.g. the user has really moved to a new user agent app).
  • Follow actions and suspicious activities regarding the user.