An identity started an AWS SSM session

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-18
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

3 Days

Required Data

  • Requires:
    • AWS Audit Log

Detection Modules

Cloud

ATT&CK Tactic

Lateral Movement (TA0008)

ATT&CK Technique

Remote Services: Direct Cloud VM Connections (T1021.008)

Severity

Informational

Description

AWS SSM interactive session.

Attacker's Goals

Gaining unauthorized access, executing unauthorized commands, or compromising sensitive information within the target system.

Investigative actions

  • Examine the specifics of the SSM session, including the source IP address, identity, and timestamp.
  • Validate the permissions and roles associated with the user initiating the SSM session to ensure they align with the expected level of access.
  • Follow further actions taken by the identity or on the relevant instance.

Variations

An identity started an unusual AWS SSM session

Synopsis

ATT&CK Tactic

Lateral Movement (TA0008)

ATT&CK Technique

Remote Services: Direct Cloud VM Connections (T1021.008)

Severity

Medium

Description

AWS SSM interactive session.

Attacker's Goals

Gaining unauthorized access, executing unauthorized commands, or compromising sensitive information within the target system.

Investigative actions

  • Examine the specifics of the SSM session, including the source IP address, identity, and timestamp.
  • Validate the permissions and roles associated with the user initiating the SSM session to ensure they align with the expected level of access.
  • Follow further actions taken by the identity or on the relevant instance.


An unusual identity started an AWS SSM session

Synopsis

ATT&CK Tactic

Lateral Movement (TA0008)

ATT&CK Technique

Remote Services: Direct Cloud VM Connections (T1021.008)

Severity

Low

Description

AWS SSM interactive session.

Attacker's Goals

Gaining unauthorized access, executing unauthorized commands, or compromising sensitive information within the target system.

Investigative actions

  • Examine the specifics of the SSM session, including the source IP address, identity, and timestamp.
  • Validate the permissions and roles associated with the user initiating the SSM session to ensure they align with the expected level of access.
  • Follow further actions taken by the identity or on the relevant instance.