{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Interactive Logon to Server Systems\n",
    "Detects interactive console logons to"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Rule Content\n",
    "```\n",
    "- title: Interactive Logon to Server Systems\n",
    "  id: 3ff152b2-1388-4984-9cd9-a323323fdadf\n",
    "  description: Detects interactive console logons to\n",
    "  author: Florian Roth\n",
    "  tags:\n",
    "  - attack.lateral_movement\n",
    "  - attack.t1078\n",
    "  logsource:\n",
    "    product: windows\n",
    "    service: security\n",
    "    category: null\n",
    "  detection:\n",
    "    selection:\n",
    "      EventID:\n",
    "      - 528\n",
    "      - 529\n",
    "      - 4624\n",
    "      - 4625\n",
    "      LogonType: 2\n",
    "      ComputerName:\n",
    "      - '%ServerSystems%'\n",
    "      - '%DomainControllers%'\n",
    "    filter:\n",
    "      LogonProcessName: Advapi\n",
    "      ComputerName: '%Workstations%'\n",
    "    condition: selection and not filter\n",
    "  falsepositives:\n",
    "  - Administrative activity via KVM or ILO board\n",
    "  level: medium\n",
    "\n",
    "```"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Querying Elasticsearch"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Import Libraries"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from elasticsearch import Elasticsearch\n",
    "from elasticsearch_dsl import Search\n",
    "import pandas as pd"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Initialize Elasticsearch client"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "es = Elasticsearch(['http://helk-elasticsearch:9200'])\n",
    "searchContext = Search(using=es, index='logs-endpoint-winevent-security-*', doc_type='doc')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Run Elasticsearch Query"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "s = searchContext.query('query_string', query='((event_id:(\"528\" OR \"529\" OR \"4624\" OR \"4625\") AND logon_type:\"2\" AND host_name:(\"%ServerSystems%\" OR \"%DomainControllers%\")) AND (NOT (logon_process_name:\"Advapi\" AND host_name:\"%Workstations%\")))')\n",
    "response = s.execute()\n",
    "if response.success():\n",
    "    df = pd.DataFrame((d.to_dict() for d in s.scan()))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Show Results"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "df.head()"
   ]
  }
 ],
 "metadata": {},
 "nbformat": 4,
 "nbformat_minor": 4
}