> For the complete documentation index, see [llms.txt](https://cortex-docs.paloaltonetworks.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cortex-docs.paloaltonetworks.com/analytics-alerts/alerts-by-name/abnormal-rdp-session-to-a-remote-host-from-a-rarely-seen-host.md).

# Abnormal RDP session to a remote host from a rarely seen host

### Synopsis

| Field                | Value                                                                                                                                |
| -------------------- | ------------------------------------------------------------------------------------------------------------------------------------ |
| Activation Period    | 14 Days                                                                                                                              |
| Training Period      | 30 Days                                                                                                                              |
| Test Period          | N/A (single event)                                                                                                                   |
| Deduplication Period | 1 Day                                                                                                                                |
| Required Data        | <p>Requires one of the following data sources:<br>Palo Alto Networks Firewall traffic Logs OR XDR Agent OR Third-Party Firewalls</p> |
| Detector Tags        | NDR Lateral Movement Analytics, NDR Unmanaged Subnet 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.


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