NullSessionPipe Registry Modificationedit
Identifies NullSessionPipe registry modifications that specify which pipes can be accessed anonymously. This could be indicative of adversary lateral movement preparation by making the added pipe available to everyone.
Rule type: eql
Rule indices:
- logs-endpoint.events.*
Severity: medium
Risk score: 47
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: 101 (version history)
Added (Elastic Stack release): 7.13.0
Last modified (Elastic Stack release): 8.6.0
Rule authors: Elastic
Rule license: Elastic License v2
Rule queryedit
registry where event.type in ("creation", "change") and registry.path
: "HKLM\\SYSTEM\\*ControlSet*\\services\\LanmanServer\\Parameters\\Nul
lSessionPipes" and length(registry.data.strings) > 0
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 101 (8.6.0 release)
-
-
Updated query, changed from:
registry where registry.path : "HKLM\\SYSTEM\\*ControlSet*\\services\\ LanmanServer\\Parameters\\NullSessionPipes" and registry.data.strings != null
-
- Version 100 (8.5.0 release)
-
- Formatting only
- Version 3 (8.4.0 release)
-
- Formatting only
- Version 2 (8.1.0 release)
-
- Formatting only