Security

Suricata IDS/IPS

Suricata EVE JSON output — IDS alerts with ET Open signatures, DNS/HTTP/TLS/SSH protocol logs, NetFlow records, and anomaly detections with correlated flow IDs and MITRE ATT&CK mapping.

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Quick Start

uv tool install eventum-generator
git clone https://github.com/eventum-generator/content-packs.git
cd content-packs
eventum generate \
  --path generators/security-suricata/generator.yml \
  --id suricata-01 \
  --live-mode true

Event Types

Event ID	Description	Frequency	Category
flow-tcp	Flow (TCP)	28.7%	network
flow-udp	Flow (UDP)	17.2%	network
dns-query	DNS Query	14.3%	network
dns-answer	DNS Answer	14.3%	network
http	HTTP	10.0%	network, web
tls	TLS	7.2%	network
fileinfo	File Info	2.2%	network
ssh	SSH	1.4%	network
alert-policy	Alert (Policy)	1.4%	intrusion_detection
anomaly	Anomaly	1.1%	network
alert-threat	Alert (Threat)	0.7%	intrusion_detection
smtp	SMTP	0.7%	network
dhcp	DHCP	0.7%	network

Realism Features

Weighted event distribution matching production Suricata deployments
Correlated flow_id — protocol events push connection metadata; flow events pop correlated records
DNS query/answer pairing — queries push to shared pool, answers pop correlated responses
ET Open rule signatures with real SIDs, categories, severity levels, and MITRE ATT&CK metadata
JA3/JA3S TLS fingerprints from real certificate data for major websites
Deterministic community_id computed from connection tuple for cross-event correlation

Sample Output

{
  "@timestamp": "2026-02-21T14:30:22.123456Z",
  "dns": {
    "id": "45321",
    "question": {
      "name": "www.google.com",
      "type": "A"
    },
    "type": "query"
  },
  "event": {
    "category": [
      "network"
    ],
    "dataset": "suricata.eve",
    "kind": "event",
    "module": "suricata"
  },
  "network": {
    "community_id": "1:fmTf/MbjDMinU9coqCwDUc82LmA=",
    "protocol": "dns",
    "transport": "udp"
  },
  "observer": {
    "hostname": "suricata-sensor-01",
    "product": "Suricata",
    "type": "ids"
  }
}

Parameters

Parameter	Default	Description
hostname	suricata-sensor-01	Suricata sensor hostname
interface	eth0	Network interface name
internal_subnet	192.168.1	Internal network prefix
dns_server_ip	192.168.1.1	DNS server IP address
agent_id	7b2c5f18-...	Filebeat agent UUID
agent_version	8.17.0	Filebeat agent version

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