Potential Remote Desktop Shadowing Activityedit
Identifies the modification of the Remote Desktop Protocol (RDP) Shadow registry or the execution of processes indicative of an active RDP shadowing session. An adversary may abuse the RDP Shadowing feature to spy on or control other users active RDP sessions.
Rule type: eql
Rule indices:
- logs-endpoint.events.*
- winlogbeat-*
- logs-windows.*
Severity: high
Risk score: 73
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Lateral Movement
Version: 100 (version history)
Added (Elastic Stack release): 7.13.0
Last modified (Elastic Stack release): 8.5.0
Rule authors: Elastic
Rule license: Elastic License v2
Investigation guideedit
Rule queryedit
/* Identifies the modification of RDP Shadow registry or the
execution of processes indicative of active shadow RDP session */ any
where (event.category == "registry" and registry.path :
"HKLM\\Software\\Policies\\Microsoft\\Windows NT\\Terminal
Services\\Shadow" ) or (event.category == "process" and
(process.name : ("RdpSaUacHelper.exe", "RdpSaProxy.exe") and
process.parent.name : "svchost.exe") or
(process.pe.original_file_name : "mstsc.exe" and process.args :
"/shadow:*") )
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Lateral Movement
- ID: TA0008
- Reference URL: https://attack.mitre.org/tactics/TA0008/
-
Technique:
- Name: Remote Services
- ID: T1021
- Reference URL: https://attack.mitre.org/techniques/T1021/
Rule version historyedit
- Version 100 (8.5.0 release)
-
- Formatting only
- Version 4 (8.4.0 release)
-
-
Updated query, changed from:
/* Identifies the modification of RDP Shadow registry or the execution of processes indicative of active shadow RDP session */ any where (event.category == "registry" and registry.path : "HKLM\\Software\\Policies\\Microsoft\\Windows NT\\Terminal Services\\Shadow" ) or (event.category == "process" and (process.name : ("RdpSaUacHelper.exe", "RdpSaProxy.exe") and process.parent.name : "svchost.exe") or (process.pe.original_file_name : "mstsc.exe" and process.args : "/shadow:*") )
-
- Version 2 (8.2.0 release)
-
- Formatting only