Unusual resource modification by newly seen IAM user

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

5 Days

Required Data

  • Requires one of the following data sources:
    • AWS Audit Log
      OR
    • Azure Audit Log
      OR
    • Gcp Audit Log

Detection Modules

Cloud

ATT&CK Tactic

ATT&CK Technique

Severity

Informational

Description

A cloud resource was modified by a newly seen IAM user.

Attacker's Goals

Leverage access to manipulate cloud infrastructure.

Investigative actions

  • Examine which resources were affected and how.
  • Investigate any unusual activity originating from the identity.

Variations

Unusual Kubernetes resource modification by newly seen IAM user

Synopsis

ATT&CK Tactic

ATT&CK Technique

Severity

Informational

Description

A cloud resource was modified by a newly seen IAM user.

Attacker's Goals

Leverage access to manipulate cloud infrastructure.

Investigative actions

  • Examine which resources were affected and how.
  • Investigate any unusual activity originating from the identity.


Unusual IAM resource modification by newly seen IAM user

Synopsis

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Account Manipulation (T1098)

Severity

Low

Description

A cloud resource was modified by a newly seen IAM user.

Attacker's Goals

Leverage access to manipulate cloud infrastructure.

Investigative actions

  • Examine which resources were affected and how.
  • Investigate any unusual activity originating from the identity.


Unusual resource modification by newly seen IAM user from an uncommon IP

Synopsis

ATT&CK Tactic

ATT&CK Technique

Severity

Low

Description

A cloud resource was modified by a newly seen IAM user.

Attacker's Goals

Leverage access to manipulate cloud infrastructure.

Investigative actions

  • Examine which resources were affected and how.
  • Investigate any unusual activity originating from the identity.