One observation, and where it came from.
ws-0148 opened SMB to fs-02 and app-07, neither contacted before
This observation is part of a written scenario. It did not come off a real network, and nothing on this deployment did.
{
"kind": "security",
"detection_type": "new_smb_peer",
"principal": "ws-0148",
"source_address": null,
"asset": null,
"confidence": 0.9
}