mirror of https://github.com/infosecn1nja/HELK.git
131 lines
2.9 KiB
Plaintext
131 lines
2.9 KiB
Plaintext
{
|
|
"cells": [
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {},
|
|
"source": [
|
|
"# Potential RDP exploit CVE-2019-0708\n",
|
|
"Detect suspicious error on protocol RDP, potential CVE-2019-0708"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {},
|
|
"source": [
|
|
"## Rule Content\n",
|
|
"```\n",
|
|
"- title: Potential RDP exploit CVE-2019-0708\n",
|
|
" id: aaa5b30d-f418-420b-83a0-299cb6024885\n",
|
|
" description: Detect suspicious error on protocol RDP, potential CVE-2019-0708\n",
|
|
" references:\n",
|
|
" - https://github.com/zerosum0x0/CVE-2019-0708\n",
|
|
" - https://github.com/Ekultek/BlueKeep\n",
|
|
" tags:\n",
|
|
" - attack.initial_access\n",
|
|
" - attack.lateral_movement\n",
|
|
" - attack.t1210\n",
|
|
" - attack.t1190\n",
|
|
" - car.2013-07-002\n",
|
|
" status: experimental\n",
|
|
" author: Lionel PRAT, Christophe BROCAS, @atc_project (improvements)\n",
|
|
" logsource:\n",
|
|
" product: windows\n",
|
|
" service: system\n",
|
|
" category: null\n",
|
|
" detection:\n",
|
|
" selection:\n",
|
|
" EventID:\n",
|
|
" - 56\n",
|
|
" - 50\n",
|
|
" Source: TermDD\n",
|
|
" condition: selection\n",
|
|
" falsepositives:\n",
|
|
" - Bad connections or network interruptions\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-system-*', 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:(\"56\" OR \"50\") AND source_name:\"TermDD\")')\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
|
|
}
|