SigmaHQ/wazuh/rules/sigma_win_susp_failed_logon_source.yml

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2020-12-02 22:43:30 +00:00
alert:
- debug
description: A login from a public IP can indicate a misconfigured firewall or network boundary.
filter:
- query:
query_string:
query: (data.win.system.eventID:"4625" AND (NOT ((src_ip_addr.keyword:*\-* OR src_ip_addr.keyword:(10.* OR 192.168.* OR 172.16.* OR 172.17.* OR 172.18.* OR 172.19.* OR 172.20.* OR 172.21.* OR 172.22.* OR 172.23.* OR 172.24.* OR 172.25.* OR 172.26.* OR 172.27.* OR 172.28.* OR 172.29.* OR 172.30.* OR 172.31.* OR 127.* OR 169.254.*) OR src_ip_addr:"\:\:1" OR src_ip_addr.keyword:(fe80\:\:* OR fc00\:\:*)))))
index: wazuh-alerts-3.x-*
name: f88e112a-21aa-44bd-9b01-6ee2a2bbbed1_0
priority: 3
realert:
minutes: 0
type: any