Rare RDP session to a remote host

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-07-16
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

2 Days

Required Data

  • Requires:
    • XDR Agent

Detection Modules

Detector Tags

NDR Lateral Movement Analytics

ATT&CK Tactic

Lateral Movement (TA0008)

ATT&CK Technique

Remote Services: Remote Desktop Protocol (T1021.001)

Severity

Low

Description

The endpoint performed a rare RDP session to a remote host.

Attacker's Goals

  • Attackers may attempt to move laterally over the network by using compromised accounts or machines to connect to remote hosts using the RDP protocol.

Investigative actions

  • Inspect the legitimacy of the user which the RDP made the connection with.
  • Verify that this isn't IT activity.

Variations

Rare RDP session to a remote host

Synopsis

ATT&CK Tactic

Lateral Movement (TA0008)

ATT&CK Technique

Remote Services: Remote Desktop Protocol (T1021.001)

Severity

Informational

Description

The endpoint performed a rare RDP session to a remote host.

Attacker's Goals

  • Attackers may attempt to move laterally over the network by using compromised accounts or machines to connect to remote hosts using the RDP protocol.

Investigative actions

  • Inspect the legitimacy of the user which the RDP made the connection with.
  • Verify that this isn't IT activity.