The SIEM app is now a part of the Elastic Security solution.
Click
here to view the current documentation.
IMPORTANT: No additional bug fixes or documentation updates will be released for this version.
IMPORTANT: No additional bug fixes or documentation updates will be released for this version.
Attempt to Disable IPTables or Firewalledit
Identifies attempts to disable iptables or a firewall service, a technique adversaries can to modify the network traffic hosts are allowed to send and receive.
Rule type: query
Rule indices:
- auditbeat-*
Severity: medium
Risk score: 47
Runs every: 5 minutes
Searches indices from: now-6m (Date Math format, see also Additional look-back time)
Maximum signals per execution: 100
Tags:
- Elastic
- Linux
Version: 1
Added (Elastic Stack release): 7.8.0
Rule queryedit
event.action:(executed or process_started) and (process.name:service and process.args:stop or process.name:chkconfig and process.args:off) and process.args:(ip6tables or iptables) or process.name:systemctl and process.args:(firewalld and (disable or stop or kill))
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Disabling Security Tools
- ID: T1089
- Reference URL: https://attack.mitre.org/techniques/T1089/