Files
siem-backend/deploy/mariadb/init/001-schema.sql
jbergner 2b08d518ad
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init
2026-04-23 21:56:44 +02:00

88 lines
3.8 KiB
SQL

CREATE DATABASE IF NOT EXISTS eventcollector
CHARACTER SET utf8mb4
COLLATE utf8mb4_unicode_ci;
USE eventcollector;
CREATE TABLE IF NOT EXISTS agents (
id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
hostname VARCHAR(255) NOT NULL,
api_key_hash CHAR(64) NOT NULL,
first_seen DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
last_seen DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
last_ip VARCHAR(64) NOT NULL DEFAULT '',
is_enabled TINYINT(1) NOT NULL DEFAULT 1,
PRIMARY KEY (id),
UNIQUE KEY ux_agents_hostname (hostname),
KEY ix_agents_last_seen (last_seen)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
CREATE TABLE IF NOT EXISTS event_logs (
id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
agent_id BIGINT UNSIGNED NOT NULL,
hostname VARCHAR(255) NOT NULL,
channel_name VARCHAR(128) NOT NULL,
event_id INT UNSIGNED NOT NULL,
source VARCHAR(255) NOT NULL,
computer VARCHAR(255) NOT NULL DEFAULT '',
provider_name VARCHAR(255) NOT NULL DEFAULT '',
level_value INT UNSIGNED NOT NULL DEFAULT 0,
task_value INT UNSIGNED NOT NULL DEFAULT 0,
opcode_value INT UNSIGNED NOT NULL DEFAULT 0,
keywords VARCHAR(255) NOT NULL DEFAULT '',
target_user VARCHAR(255) NOT NULL DEFAULT '',
target_domain VARCHAR(255) NOT NULL DEFAULT '',
subject_user VARCHAR(255) NOT NULL DEFAULT '',
subject_domain VARCHAR(255) NOT NULL DEFAULT '',
workstation VARCHAR(255) NOT NULL DEFAULT '',
src_ip VARCHAR(64) NOT NULL DEFAULT '',
src_port VARCHAR(32) NOT NULL DEFAULT '',
logon_type VARCHAR(32) NOT NULL DEFAULT '',
process_name VARCHAR(512) NOT NULL DEFAULT '',
authentication_package VARCHAR(128) NOT NULL DEFAULT '',
logon_process VARCHAR(128) NOT NULL DEFAULT '',
status_text VARCHAR(64) NOT NULL DEFAULT '',
sub_status_text VARCHAR(64) NOT NULL DEFAULT '',
failure_reason VARCHAR(512) NOT NULL DEFAULT '',
ts DATETIME(6) NOT NULL,
received_at DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
msg LONGTEXT NOT NULL,
msg_sha256 CHAR(64) NOT NULL,
PRIMARY KEY (id),
KEY ix_event_logs_ts (ts),
KEY ix_event_logs_received_at (received_at),
KEY ix_event_logs_agent_ts (agent_id, ts),
KEY ix_event_logs_eventid_ts (event_id, ts),
KEY ix_event_logs_hostname_ts (hostname, ts),
KEY ix_event_logs_channel_event_ts (channel_name, event_id, ts),
KEY ix_event_logs_target_user_ts (target_user, ts),
KEY ix_event_logs_src_ip_ts (src_ip, ts),
KEY ix_event_logs_target_user_src_ip_ts (target_user, src_ip, ts),
KEY ix_event_logs_eventid_srcip_ts (event_id, src_ip, ts),
KEY ix_event_logs_eventid_targetuser_ts (event_id, target_user, ts),
KEY ix_event_logs_eventid_logontype_ts (event_id, logon_type, ts),
CONSTRAINT fk_event_logs_agent
FOREIGN KEY (agent_id) REFERENCES agents(id)
ON DELETE RESTRICT
ON UPDATE RESTRICT
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
CREATE TABLE IF NOT EXISTS detections (
id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
rule_name VARCHAR(128) NOT NULL,
severity VARCHAR(32) NOT NULL,
hostname VARCHAR(255) NOT NULL,
channel_name VARCHAR(128) NOT NULL DEFAULT '',
event_id INT UNSIGNED NOT NULL DEFAULT 0,
score DOUBLE NOT NULL DEFAULT 0,
window_start DATETIME(6) NOT NULL,
window_end DATETIME(6) NOT NULL,
summary VARCHAR(512) NOT NULL,
details_json JSON NOT NULL,
created_at DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
PRIMARY KEY (id),
UNIQUE KEY ux_detection_dedupe (rule_name, hostname, channel_name, event_id, window_start, window_end),
KEY ix_detections_created (created_at),
KEY ix_detections_rule_host_time (rule_name, hostname, created_at),
KEY ix_detections_severity_time (severity, created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;