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medium advisory

Detection of External RDP Logon from Public IP Addresses

This detection identifies successful Remote Desktop Protocol (RDP) logons originating from non-private IP addresses, which may indicate a publicly-exposed RDP port.

Triage facts

Revision 1
Evidence
Unknown
Severity
Medium
Sources
3 public sources
Freshness
Revision 1Nov 5, 14:26 UTC
Detection
1 rule
Source quality
A2Roughly even chance

Successful RDP logons (LogonType 10) from public IP addresses can indicate that a Windows host has a publicly-exposed RDP port.

False Positives

Legitimate or intentional inbound connections from public IP addresses on the RDP port.

Detection coverage 1

Detect Successful External Remote RDP Logon

medium

Detects successful logon from public IP address via RDP.

sigma sources: windows, security

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