Potential SharpRDP Behavioredit

Identifies potential behavior of SharpRDP, which is a tool that can be used to perform authenticated command execution against a remote target via Remote Desktop Protocol (RDP) for the purposes of lateral movement.

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



  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Lateral Movement

Version: 2 (version history)

Added (Elastic Stack release): 7.11.0

Last modified (Elastic Stack release): 7.12.0

Rule authors: Elastic

Rule license: Elastic License v2

Rule queryedit

/* Incoming RDP followed by a new RunMRU string value set to cmd,
powershell, taskmgr or tsclient, followed by process execution within
1m */ sequence by host.id with maxspan=1m [network where event.type
== "start" and process.name : "svchost.exe" and destination.port ==
3389 and network.direction == "incoming" and network.transport ==
"tcp" and source.address != "" and source.address != "::1"
] [registry where process.name : "explorer.exe" and
registry.path : ("HKEY_USERS\\*\\Software\\Microsoft\\Windows\\Current
Version\\Explorer\\RunMRU\\*") and registry.data.strings :
("cmd.exe*", "powershell.exe*", "taskmgr*", "\\\\tsclient\\*.exe\\*")
] [process where event.type in ("start", "process_started") and
(process.parent.name : ("cmd.exe", "powershell.exe", "taskmgr.exe") or
process.args : ("\\\\tsclient\\*.exe")) and not process.name :
"conhost.exe" ]

Threat mappingedit


Rule version historyedit

Version 2 (7.12.0 release)
  • Formatting only