{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Suspicious RUN Key from Download\n",
    "Detects the suspicious RUN keys created by software located in Download or temporary Outlook/Internet Explorer directories"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Rule Content\n",
    "```\n",
    "- title: Suspicious RUN Key from Download\n",
    "  id: 9c5037d1-c568-49b3-88c7-9846a5bdc2be\n",
    "  status: experimental\n",
    "  description: Detects the suspicious RUN keys created by software located in Download\n",
    "    or temporary Outlook/Internet Explorer directories\n",
    "  references:\n",
    "  - https://app.any.run/tasks/c5bef5b7-f484-4c43-9cf3-d5c5c7839def/\n",
    "  author: Florian Roth\n",
    "  date: 2019/10/01\n",
    "  tags:\n",
    "  - attack.persistence\n",
    "  - attack.t1060\n",
    "  logsource:\n",
    "    product: windows\n",
    "    service: sysmon\n",
    "    category: null\n",
    "  detection:\n",
    "    selection:\n",
    "      EventID: 13\n",
    "      Image:\n",
    "      - '*\\Downloads\\\\*'\n",
    "      - '*\\Temporary Internet Files\\Content.Outlook\\\\*'\n",
    "      - '*\\Local Settings\\Temporary Internet Files\\\\*'\n",
    "      TargetObject: '*\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run\\\\*'\n",
    "    condition: selection\n",
    "  falsepositives:\n",
    "  - Software installers downloaded and used by users\n",
    "  level: high\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-sysmon-*', 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:\"13\" AND process_path.keyword:(*\\\\Downloads\\\\* OR *\\\\Temporary\\ Internet\\ Files\\\\Content.Outlook\\\\* OR *\\\\Local\\ Settings\\\\Temporary\\ Internet\\ Files\\\\*) AND registry_key_path.keyword:*\\\\SOFTWARE\\\\Microsoft\\\\Windows\\\\CurrentVersion\\\\Run\\\\*)')\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
}