Attempt to Disable IPTables or Firewalledit
Adversaries may attempt to disable the iptables or firewall service in an attempt to affect how a host is allowed to receive or send network traffic.
Rule type: query
Rule indices:
- auditbeat-*
- logs-endpoint.events.*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References: None
Tags:
- Elastic
- Host
- Linux
- Threat Detection
- Defense Evasion
Version: 7
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule queryedit
event.category:process and event.type:(start or process_started) and
process.name:ufw and process.args:(allow or disable or reset) or
(((process.name:service and process.args:stop) or
(process.name:chkconfig and process.args:off) or
(process.name:systemctl and process.args:(disable or stop or kill))) and
process.args:(firewalld or ip6tables or iptables))
Framework: MITRE ATT&CKTM
-
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/
-
Sub-technique:
- Name: Disable or Modify Tools
- ID: T1562.001
- Reference URL: https://attack.mitre.org/techniques/T1562/001/