Cloud Unusual Instance Metadata Service (IMDS) access

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

Cloud

ATT&CK Tactic

Credential Access (TA0006)

ATT&CK Technique

Unsecured Credentials: Cloud Instance Metadata API (T1552.005)

Severity

Informational

Description

A request to cloud Instance Metadata Service (IMDS) was made by an unusual process. An attacker might exploit a web vulnerability to execute this technique.

Attacker's Goals

Extract sensitive cloud tokens to access restricted resources.

Investigative actions

  • Check if a web service was exploited to execute this technique.
  • Check what other commands were executed.
  • Check the instance profile attached to the victim machine and its permissions, to find out which resources may be affected.

Variations

Cloud Unusual internet-facing Instance Metadata Service (IMDS) access

Synopsis

ATT&CK Tactic

Credential Access (TA0006)

ATT&CK Technique

Unsecured Credentials: Cloud Instance Metadata API (T1552.005)

Severity

Low

Description

A request to cloud Instance Metadata Service (IMDS) was made by an unusual process. An attacker might exploit a web vulnerability to execute this technique.

Attacker's Goals

Extract sensitive cloud tokens to access restricted resources.

Investigative actions

  • Check if a web service was exploited to execute this technique.
  • Check what other commands were executed.
  • Check the instance profile attached to the victim machine and its permissions, to find out which resources may be affected.