Detection rules › Sigma
First Time Seen Remote Named Pipe
This detection excludes known namped pipes accessible remotely and notify on newly observed ones, may help to detect lateral movement and remote exec using named pipes
Known false positives
- Update the excluded named pipe to filter out any newly observed legit named pipe
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Lateral Movement |
Telemetry coverage
Rule body
title: First Time Seen Remote Named Pipe
id: 52d8b0c6-53d6-439a-9e41-52ad442ad9ad
status: test
description: This detection excludes known namped pipes accessible remotely and notify on newly observed ones, may help to detect lateral movement and remote exec using named pipes
references:
- https://twitter.com/menasec1/status/1104489274387451904
author: Samir Bousseaden
date: 2019-04-03
modified: 2023-03-14
tags:
- attack.lateral-movement
- attack.t1021.002
logsource:
product: windows
service: security
definition: 'The advanced audit policy setting "Object Access > Audit Detailed File Share" must be configured for Success/Failure'
detection:
selection1:
EventID: 5145
ShareName: '\\\\\*\\IPC$' # looking for the string \\*\IPC$
false_positives:
RelativeTargetName:
- 'atsvc'
- 'samr'
- 'lsarpc'
- 'lsass'
- 'winreg'
- 'netlogon'
- 'srvsvc'
- 'protected_storage'
- 'wkssvc'
- 'browser'
- 'netdfs'
- 'svcctl'
- 'spoolss'
- 'ntsvcs'
- 'LSM_API_service'
- 'HydraLsPipe'
- 'TermSrv_API_service'
- 'MsFteWds'
- 'sql\query'
- 'eventlog'
condition: selection1 and not false_positives
falsepositives:
- Update the excluded named pipe to filter out any newly observed legit named pipe
level: high
Stages and Predicates
Stage 0: condition
selection1 and not false_positivesStage 1: selection1
selection1:
EventID: 5145
ShareName: '\\\\\*\\IPC$'
Stage 2: not false_positives
false_positives:
RelativeTargetName:
- 'atsvc'
- 'samr'
- 'lsarpc'
- 'lsass'
- 'winreg'
- 'netlogon'
- 'srvsvc'
- 'protected_storage'
- 'wkssvc'
- 'browser'
- 'netdfs'
- 'svcctl'
- 'spoolss'
- 'ntsvcs'
- 'LSM_API_service'
- 'HydraLsPipe'
- 'TermSrv_API_service'
- 'MsFteWds'
- 'sql\query'
- 'eventlog'
Exclusions
The rule actively suppresses these predicates.
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
ShareName | eq |
| field:"ShareName" kind:eq value:"\\\\\*\\IPC$" |