Analytics Alerts

Browse the Cortex analytics alert reference.

Severity
Detection module
Data source
  • Email containing a link with an IP address convention was detected Informational Email

    A link with IP address convention was detected within the email body.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Stealth (TA0005) Execution (TA0002)
    ATT&CK techniques: Masquerading (T1036) User Execution (T1204)
    Required data: Microsoft 365 Emails
    Detector tags: Malicious URLs
    Attacker's goals: Trick the user into clicking the link, while avoiding detection.
    Investigative actions: Examine the sender's IP address and reputation. Verify whether the sender's IP address has appeared in different log sources before, and if it is recognizable. If the message contains attachments or links, scrutinize them for any suspicious indications. Monitor further actions taken, such as file downloads or access to potentially malicious links.