From 6b96b99dc1f8b23cc72cbd68ab409c6d407a796b Mon Sep 17 00:00:00 2001
From: Samirbous <64742097+Samirbous@users.noreply.github.com>
Date: Tue, 8 Dec 2020 16:30:10 +0100
Subject: [PATCH] [New Rule] Execution from TSClient Mountpoint (#524)

* [New Rule] Execution from TSClient Mountpoint

* Delete profiles_settings.xml

* Delete modules.xml

* Delete vcs.xml

* Delete windows.iml

* Delete workspace.xml

* eql syntax

* Update rules/windows/lateral_movement_execution_from_tsclient_mup.toml

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>

* Update rules/windows/lateral_movement_execution_from_tsclient_mup.toml

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>

* Update rules/windows/lateral_movement_execution_from_tsclient_mup.toml

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>

* Update rules/windows/lateral_movement_execution_from_tsclient_mup.toml

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>

* ecs_version

* Update rules/windows/lateral_movement_execution_from_tsclient_mup.toml

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>

* linted

* deleted ecs_version

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>
---
 ..._movement_execution_from_tsclient_mup.toml | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 rules/windows/lateral_movement_execution_from_tsclient_mup.toml

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/"
+