EMAIL BETA - Email suspicious Moniker link detected

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2025-04-21
Category
Analytics Alert Reference
Index by
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

3 Days

Required Data

  • Requires:
    • Microsoft 365 Emails

Detection Modules

Email

Detector Tags

ATT&CK Tactic

ATT&CK Technique

Severity

Informational

Description

A Moniker link was detected within the email's body.
The link has a convention of a Moniker link (CVE-2024-21413) correlated to a suspicious URL scheme.

Attacker's Goals

Trick the user on 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/links, scrutinize them for any suspicious indications.
  • Monitor further actions taken, such as file downloads or access to potentially malicious links.

Variations

EMAIL BETA - Email suspicious Moniker link, SMB and suspicious extension detected

Synopsis

ATT&CK Tactic

ATT&CK Technique

Severity

Medium

Description

A Moniker link was detected within the email's body.
The link has a convention of a Moniker link (CVE-2024-21413) correlated to a suspicious URL scheme.

Attacker's Goals

Trick the user on 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/links, scrutinize them for any suspicious indications.
  • Monitor further actions taken, such as file downloads or access to potentially malicious links.


EMAIL BETA - Email suspicious Moniker link pointing to SMB detected

Synopsis

ATT&CK Tactic

ATT&CK Technique

Severity

Low

Description

A Moniker link was detected within the email's body.
The link has a convention of a Moniker link (CVE-2024-21413) correlated to a suspicious URL scheme.

Attacker's Goals

Trick the user on 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/links, scrutinize them for any suspicious indications.
  • Monitor further actions taken, such as file downloads or access to potentially malicious links.