IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

« Emond Rules Creation or Modification Encoded Executable Stored in the Registry »

› › ›

Enable Host Network Discovery via Netsh

edit

Enable Host Network Discovery via Netsh

edit

Identifies use of the netsh.exe program to enable host discovery via the network. Attackers can use this command-line tool to weaken the host firewall settings.

Rule type: eql

Rule indices:

winlogbeat-*
logs-endpoint.events.*
logs-windows.*

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

Tags:

Elastic
Host
Windows
Threat Detection
Defense Evasion

Version: 2 (version history)

Added (Elastic Stack release): 7.14.0

Last modified (Elastic Stack release): 7.16.0

Rule authors: Elastic

Rule license: Elastic License v2

Potential false positives

edit

Host Windows Firewall planned system administration changes.

Rule query

edit

process where event.type == "start" and process.name : "netsh.exe" and
process.args : ("firewall", "advfirewall") and process.args :
"group=Network Discovery" and process.args : "enable=Yes"

Threat mapping

edit

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
Technique:
- Name: Impair Defenses
- ID: T1562
- Reference URL: https://attack.mitre.org/techniques/T1562/

Rule version history

edit

Version 2 (7.16.0 release)

Formatting only

« Emond Rules Creation or Modification Encoded Executable Stored in the Registry »