mirror of https://github.com/infosecn1nja/HELK.git
127 lines
2.9 KiB
Plaintext
127 lines
2.9 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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"# UAC Bypass via sdclt\n",
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"Detects changes to HKCU:\\Software\\Classes\\exefile\\shell\\runas\\command\\isolatedCommand"
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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: UAC Bypass via sdclt\n",
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" id: 5b872a46-3b90-45c1-8419-f675db8053aa\n",
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" status: experimental\n",
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" description: Detects changes to HKCU:\\Software\\Classes\\exefile\\shell\\runas\\command\\isolatedCommand\n",
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" references:\n",
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" - https://enigma0x3.net/2017/03/17/fileless-uac-bypass-using-sdclt-exe/\n",
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" author: Omer Yampel\n",
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" logsource:\n",
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" product: windows\n",
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" service: sysmon\n",
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" category: null\n",
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" detection:\n",
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" selection:\n",
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" EventID: 13\n",
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" TargetObject: HKEY_USERS\\\\*\\Classes\\exefile\\shell\\runas\\command\\isolatedCommand\n",
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" condition: selection\n",
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" tags:\n",
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" - attack.defense_evasion\n",
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" - attack.privilege_escalation\n",
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" - attack.t1088\n",
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" - car.2019-04-001\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-endpoint-winevent-sysmon-*', 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='(event_id:\"13\" AND registry_key_path.keyword:HKEY_USERS\\\\*\\\\Classes\\\\exefile\\\\shell\\\\runas\\\\command\\\\isolatedCommand)')\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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