mirror of https://github.com/infosecn1nja/HELK.git
127 lines
3.0 KiB
Plaintext
127 lines
3.0 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# Terminal Service Process Spawn\n",
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"Detects a process spawned by the terminal service server process (this could be an indicator for an exploitation of CVE-2019-0708)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## Rule Content\n",
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"```\n",
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"- title: Terminal Service Process Spawn\n",
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" id: 1012f107-b8f1-4271-af30-5aed2de89b39\n",
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" status: experimental\n",
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" description: Detects a process spawned by the terminal service server process (this\n",
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" could be an indicator for an exploitation of CVE-2019-0708)\n",
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" references:\n",
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" - https://securingtomorrow.mcafee.com/other-blogs/mcafee-labs/rdp-stands-for-really-do-patch-understanding-the-wormable-rdp-vulnerability-cve-2019-0708/\n",
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" author: Florian Roth\n",
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" date: 2019/05/22\n",
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" tags:\n",
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" - car.2013-07-002\n",
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" logsource:\n",
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" product: windows\n",
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" category: process_creation\n",
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" service: null\n",
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" detection:\n",
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" selection:\n",
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" ParentCommandLine: '*\\svchost.exe*termsvcs'\n",
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" filter:\n",
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" Image: '*\\rdpclip.exe'\n",
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" condition: selection and not filter\n",
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" falsepositives:\n",
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" - Unknown\n",
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" level: high\n",
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"\n",
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"```"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## Querying Elasticsearch"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Import Libraries"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"from elasticsearch import Elasticsearch\n",
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"from elasticsearch_dsl import Search\n",
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"import pandas as pd"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Initialize Elasticsearch client"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"es = Elasticsearch(['http://helk-elasticsearch:9200'])\n",
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"searchContext = Search(using=es, index='logs-*', doc_type='doc')"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Run Elasticsearch Query"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"s = searchContext.query('query_string', query='(process_parent_command_line.keyword:*\\\\svchost.exe*termsvcs AND (NOT (process_path.keyword:*\\\\rdpclip.exe)))')\n",
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"response = s.execute()\n",
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"if response.success():\n",
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" df = pd.DataFrame((d.to_dict() for d in s.scan()))"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Show Results"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"df.head()"
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]
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}
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],
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"metadata": {},
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"nbformat": 4,
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"nbformat_minor": 4
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}
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