A user logged in from an abnormal country or ASN

Cortex XDR Analytics Alert Reference by Alert name
Product
Cortex XDR
Last date published
2024-10-08
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 Day

Required Data

  • Requires:
    • XDR Agent

Detection Modules

Identity Analytics

Detector Tags

ATT&CK Tactic

ATT&CK Technique

Severity

Informational

Description

A user logged in from an unusual country or ASN. This may indicate that the account was compromised.

Attacker's Goals

Gain user-account credentials.

Investigative actions

  • Check if the user is currently located in the aforementioned country.
  • Check for any other suspicious activity related to the account.
  • Check other ASNs and Countries that the user logged in from.
  • Look for additional login attempts.

Variations

A service account successfully logged in from a new country or ASN

Synopsis

ATT&CK Tactic

ATT&CK Technique

Severity

Low

Description

A service account successfully logged in to an internet facing server from an unusual country or ASN. This may indicate that the account was compromised.

Attacker's Goals

Gain user-account credentials.

Investigative actions

  • Check if the user is currently located in the aforementioned country.
  • Check for any other suspicious activity related to the account.
  • Check other ASNs and Countries that the user logged in from.
  • Look for additional login attempts.