Analytics Alerts

Browse the Cortex analytics alert reference.

Severity ▾
Detection module ▾
Data source ▾

2 alerts match the current filters. tactic: TA0003 ✕ technique: T1564 ✕

Show ATT&CK heatmap
  • Masquerading as a default local account Low Identity Analytics 3 variations

    A user created a new local account with the name of a default local account, such as Guest and DefaultAccount.An attacker may create a user with these known names to evade detection.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Defense Evasion (TA0005) Persistence (TA0003)
    ATT&CK techniques: Hide Artifacts: Hidden Users (T1564.002) Valid Accounts: Default Accounts (T1078.001) Masquerading (T1036)
    Required data: Windows Event Collector XDR Agent with eXtended Threat Hunting (XTH)
    Attacker's goals: An attacker is attempting to evade detection.
    Investigative actions: Check what rights and permissions were granted to the new user. Verify the action with the user who created the new account. Follow actions and activities of the newly created default account. Monitor the addition of the user to different groups.

    Variations

    Masquerading as a default local account for the first time

    Medium overridden

    A user created a new local account with the name of a default local account, such as Guest and DefaultAccount.An attacker may create a user with these known names to evade detection. overridden

    Potential masquerading as a power user account

    Low overridden

    A user created a new local account with the name of a privileged local account.This user does not regularly create accounts.An attacker may create a user with these known names to evade detection. overridden

    Masquerading as a default Administrator account

    Informational overridden

    A user created a new local account with the name of a default local account, such as Guest and DefaultAccount.An attacker may create a user with these known names to evade detection. overridden

  • Suspicious hidden user created Medium Identity Analytics

    A user account was created with a name that mimics a machine account.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Persistence (TA0003) Defense Evasion (TA0005)
    ATT&CK techniques: Create Account (T1136) Hide Artifacts: Hidden Users (T1564.002)
    Required data: Windows Event Collector XDR Agent with eXtended Threat Hunting (XTH)
    Attacker's goals: Evasion using a valid account.
    Investigative actions: Check the user account created and verify its activity.