AttackTracer Ninja V2 Deployment

Goal

Deploy and update the endpoint client through NinjaOne while hosting release artifacts in GitLab.

Release assets

Each GitLab release should publish:

OCSentinelClient-win-x64.zip
OCSentinelClient-win-x64.zip.sha256
version.json

Build these locally with:

powershell -ExecutionPolicy Bypass -File .\build\build-client-package.ps1
powershell -ExecutionPolicy Bypass -File .\build\build-release-manifest.ps1 `
  -ArtifactUrl "https://gitlab.example.com/group/project/-/releases/v2.0.0/downloads/OCSentinelClient-win-x64.zip"

See example manifest:

update-channel.example.json

Endpoint package contents

The installed package should include:

app\OCSentinelCli.exe
scripts\run-ocsentinel.ps1
scripts\run-ocsentinel-monitor.ps1
scripts\update-ocsentinel.ps1
scripts\protect-ocsentinel-secret.ps1
config\ocsentinel-settings.json
config\ocsentinel-client.json

Initial install through NinjaOne

Recommended NinjaOne task:

& "C:\Program Files\OCSentinel\scripts\update-ocsentinel.ps1" `
  -ManifestUrl "https://gitlab.example.com/group/project/-/releases/permalink/latest/downloads/version.json" `
  -Force

If the client is not installed yet, you can also first distribute a bootstrap ZIP or setup package, then switch to the updater-only model.

Routine update task

Recommended scheduled task command:

& "C:\Program Files\OCSentinel\scripts\update-ocsentinel.ps1" `
  -ManifestUrl "https://gitlab.example.com/group/project/-/releases/permalink/latest/downloads/version.json"

Behavior

The updater:

downloads the manifest
compares installed and available version
downloads the ZIP only when newer
validates SHA-256
validates Authenticode signature when present
runs the package installer

Secret bootstrap

After installation, provision the upload secret once:

& "C:\Program Files\OCSentinel\scripts\protect-ocsentinel-secret.ps1" `
  -SecretValue "<shared-ingest-secret>"

This writes a DPAPI-protected file under:

C:\ProgramData\OCSentinel\secrets\ocsentinel-upload-secret.dat

Runtime task

Recommended runtime task:

& "C:\Program Files\OCSentinel\scripts\run-ocsentinel-monitor.ps1" `
  -Mode status `
  -OutputPath "..\reports\attacktracer-summary.json"

Upload is enabled automatically when:

config\attacktracer-client.json exists
the protected secret file exists

Otherwise the client falls back to local scan behavior.

Migration guidance

During migration you can keep old share-based logic disabled by default and only enable the new n8n upload path as secrets and webhook config become available.

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