Endpoint

Windows Sysmon

Sysmon (System Monitor) operational channel — process creation with full command lines, network connections, file creates, registry modifications, DNS queries, and WMI events. SwiftOnSecurity-style tuning.

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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/windows-sysmon/generator.yml \
  --id sysmon \
  --live-mode true

Event Types

Event ID	Description	Frequency	Category
11	File Created	~25%	file
13	Registry Value Set	~20%	registry
22	DNS Query	~15%	network
1	Process Create	~12%	process
5	Process Terminated	~10%	process
3	Network Connection	~8%	network
12	Registry Create/Delete	~3%	registry
15	FileCreateStreamHash	~2%	file
23	File Delete (Archived)	~1.5%	file
26	File Delete (Logged)	~1%	file
17	Named Pipe Created	~0.5%	file
18	Named Pipe Connected	~0.5%	file
25	Process Tampering	~0.5%	process
6	Driver Loaded	rare	driver
8	CreateRemoteThread	rare	process

Realism Features

Process lifecycle correlation — Event 1 stores processes; Event 5 consumes with consistent ProcessGuid, PID, Image
Process-to-activity linkage — DNS, file, network events reference active processes from the pool
25 Windows processes with correct parent-child relationships, PE metadata, and file hashes
30 real-world DNS domains with CNAME chains, resolved IPs, and NXDOMAIN distribution
Registry path diversity — HKLM/HKU paths covering services, security, Explorer, Defender
120-host fleet with per-host record IDs and per-host process pool correlation

Sample Output

{
    "@timestamp": "2026-02-21T14:30:22.150000+00:00",
    "event": {
        "action": "Process creation",
        "category": ["process"],
        "code": "1",
        "module": "sysmon",
        "type": ["start"]
    },
    "process": {
        "executable": "C:\\Windows\\System32\\svchost.exe",
        "name": "svchost.exe",
        "pid": 6228,
        "parent": {
            "executable": "C:\\Windows\\System32\\services.exe",
            "name": "services.exe"
        }
    },
    "user": { "domain": "NT AUTHORITY", "name": "SYSTEM" },
    "winlog": {
        "channel": "Microsoft-Windows-Sysmon/Operational",
        "event_id": "1"
    }
}

Parameters

Parameter	Default	Description
domain	CONTOSO	NetBIOS domain name
fqdn_suffix	contoso.local	DNS domain suffix
domain_sid	S-1-5-21-3457937927-...	Domain SID prefix
agent_version	8.17.0	Agent version string

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