mirror of https://github.com/infosecn1nja/HELK.git
133 lines
2.9 KiB
Plaintext
133 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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"# Scheduled Task Creation\n",
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"Detects the creation of scheduled tasks in user session"
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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: Scheduled Task Creation\n",
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" id: 92626ddd-662c-49e3-ac59-f6535f12d189\n",
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" status: experimental\n",
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" description: Detects the creation of scheduled tasks in user session\n",
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" author: Florian Roth\n",
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" logsource:\n",
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" category: process_creation\n",
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" product: windows\n",
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" service: null\n",
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" detection:\n",
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" selection:\n",
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" Image: '*\\schtasks.exe'\n",
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" CommandLine: '* /create *'\n",
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" filter:\n",
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" User: NT AUTHORITY\\SYSTEM\n",
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" condition: selection and not filter\n",
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" fields:\n",
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" - CommandLine\n",
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" - ParentCommandLine\n",
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" tags:\n",
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" - attack.execution\n",
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" - attack.persistence\n",
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" - attack.privilege_escalation\n",
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" - attack.t1053\n",
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" - attack.s0111\n",
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" - car.2013-08-001\n",
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" falsepositives:\n",
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" - Administrative activity\n",
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" - Software installation\n",
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" level: low\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_path.keyword:*\\\\schtasks.exe AND process_command_line.keyword:*\\ \\/create\\ *) AND (NOT (user_account:\"NT\\ AUTHORITY\\\\SYSTEM\")))')\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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