Privilege Escalation via Rogue Named Pipe Impersonationedit

Identifies a privilege escalation attempt via rogue named pipe impersonation. An adversary may abuse this technique by masquerading as a known named pipe and manipulating a privileged process to connect to it.

Rule type: eql

Rule indices:

  • 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
  • Privilege Escalation

Version: 1

Added (Elastic Stack release): 8.0.0

Rule authors: Elastic

Rule license: Elastic License v2

Investigation guideedit

## Config

Named Pipe Creation Events need to be enabled within the Sysmon configuration by including the following settings:
`condition equal "contains" and keyword equal "pipe"`

Rule queryedit

file where event.action : "Pipe Created*" and /* normal sysmon named
pipe creation events truncate the pipe keyword */ :

Threat mappingedit