mirror of https://github.com/infosecn1nja/HELK.git
132 lines
3.4 KiB
Plaintext
132 lines
3.4 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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"# Registry Persistence Mechanisms\n",
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"Detects persistence registry keys"
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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: Registry Persistence Mechanisms\n",
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" id: 36803969-5421-41ec-b92f-8500f79c23b0\n",
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" description: Detects persistence registry keys\n",
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" references:\n",
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" - https://oddvar.moe/2018/04/10/persistence-using-globalflags-in-image-file-execution-options-hidden-from-autoruns-exe/\n",
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" date: 2018/04/11\n",
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" author: Karneades\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_reg1:\n",
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" EventID: 13\n",
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" TargetObject:\n",
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" - '*\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Image File Execution Options\\\\*\\GlobalFlag'\n",
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" - '*\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\SilentProcessExit\\\\*\\ReportingMode'\n",
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" - '*\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\SilentProcessExit\\\\*\\MonitorProcess'\n",
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" EventType: SetValue\n",
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" condition: selection_reg1\n",
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" tags:\n",
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" - attack.privilege_escalation\n",
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" - attack.persistence\n",
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" - attack.defense_evasion\n",
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" - attack.t1183\n",
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" - car.2013-01-002\n",
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" falsepositives:\n",
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" - unknown\n",
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" level: critical\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:(*\\\\SOFTWARE\\\\Microsoft\\\\Windows\\ NT\\\\CurrentVersion\\\\Image\\ File\\ Execution\\ Options\\\\*\\\\GlobalFlag OR *\\\\SOFTWARE\\\\Microsoft\\\\Windows\\ NT\\\\CurrentVersion\\\\SilentProcessExit\\\\*\\\\ReportingMode OR *\\\\SOFTWARE\\\\Microsoft\\\\Windows\\ NT\\\\CurrentVersion\\\\SilentProcessExit\\\\*\\\\MonitorProcess) AND event_type:\"SetValue\")')\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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