diff --git a/rules/windows/lateral_movement_execution_from_tsclient_mup.toml b/rules/windows/lateral_movement_execution_from_tsclient_mup.toml
new file mode 100644
index 000000000..e3f9268cd
--- /dev/null
+++ b/rules/windows/lateral_movement_execution_from_tsclient_mup.toml
@@ -0,0 +1,41 @@
+[metadata]
+creation_date = "2020/11/11"
+maturity = "production"
+updated_date = "2020/11/11"
+
+[rule]
+author = ["Elastic"]
+description = """
+Identifies execution from the Remote Desktop Protocol (RDP) shared mountpoint tsclient on the target host. This may
+indicate a lateral movement attempt.
+"""
+from = "now-9m"
+index = ["logs-endpoint.events.*", "winlogbeat-*"]
+language = "eql"
+license = "Elastic License"
+name = "Execution via TSClient Mountpoint"
+references = ["https://posts.specterops.io/revisiting-remote-desktop-lateral-movement-8fb905cb46c3"]
+risk_score = 73
+rule_id = "4fe9d835-40e1-452d-8230-17c147cafad8"
+severity = "high"
+tags = ["Elastic", "Host", "Windows", "Threat Detection", "Lateral Movement"]
+type = "eql"
+
+query = '''
+process where event.type in ("start", "process_started") and process.executable : "\\Device\\Mup\\tsclient\\*.exe"
+'''
+
+
+[[rule.threat]]
+framework = "MITRE ATT&CK"
+[[rule.threat.technique]]
+id = "T1021"
+name = "Remote Services"
+reference = "https://attack.mitre.org/techniques/T1021/"
+
+
+[rule.threat.tactic]
+id = "TA0008"
+name = "Lateral Movement"
+reference = "https://attack.mitre.org/tactics/TA0008/"
+