Suspicious Certutil AD CS contact

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-04
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

ATT&CK Tactic

ATT&CK Technique

Severity

Low

Description

A suspicious occurrence of Certutil attempted to contact the AD CS Request Interface.

Attacker's Goals

  • An attacker might look for AD CS servers, certificate templates or request certificates.
  • With the wrong setting or loose vulnerable templates or enabled enrollment, the attacker will be able to authenticate as users on the network.

Investigative actions

  • Look at further action done by the user.
  • Investigate whether other non-standard operations were done regarding the AD CS.

Variations

Suspicious Certutil AD CS Admin Interface contact

Synopsis

ATT&CK Tactic

ATT&CK Technique

Severity

Medium

Description

A suspicious occurrence of Certutil attempted to contact the AD CS Admin Interface.

Attacker's Goals

  • An attacker might look for AD CS servers, certificate templates or request certificates.
  • With the wrong setting or loose vulnerable templates or enabled enrollment, the attacker will be able to authenticate as users on the network.

Investigative actions

  • Look at further action done by the user.
  • Investigate whether other non-standard operations were done regarding the AD CS.