mirror of https://github.com/infosecn1nja/HELK.git
141 lines
4.0 KiB
Plaintext
141 lines
4.0 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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"# Default PowerSploit and Empire Schtasks Persistence\n",
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"Detects the creation of a schtask via PowerSploit or Empire Default Configuration."
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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: Default PowerSploit and Empire Schtasks Persistence\n",
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" id: 56c217c3-2de2-479b-990f-5c109ba8458f\n",
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" status: experimental\n",
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" description: Detects the creation of a schtask via PowerSploit or Empire Default\n",
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" Configuration.\n",
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" references:\n",
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" - https://github.com/0xdeadbeefJERKY/PowerSploit/blob/8690399ef70d2cad10213575ac67e8fa90ddf7c3/Persistence/Persistence.psm1\n",
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" - https://github.com/EmpireProject/Empire/blob/master/lib/modules/powershell/persistence/userland/schtasks.py\n",
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" - https://github.com/EmpireProject/Empire/blob/master/lib/modules/powershell/persistence/elevated/schtasks.py\n",
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" author: Markus Neis, @Karneades\n",
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" date: 2018/03/06\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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" ParentImage:\n",
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" - '*\\powershell.exe'\n",
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" CommandLine:\n",
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" - '*schtasks*/Create*/SC *ONLOGON*/TN *Updater*/TR *powershell*'\n",
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" - '*schtasks*/Create*/SC *DAILY*/TN *Updater*/TR *powershell*'\n",
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" - '*schtasks*/Create*/SC *ONIDLE*/TN *Updater*/TR *powershell*'\n",
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" - '*schtasks*/Create*/SC *Updater*/TN *Updater*/TR *powershell*'\n",
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" condition: selection\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.t1086\n",
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" - attack.s0111\n",
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" - attack.g0022\n",
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" - attack.g0060\n",
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" - car.2013-08-001\n",
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" falsepositives:\n",
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" - False positives are possible, depends on organisation and processes\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_path.keyword:(*\\\\powershell.exe) AND process_command_line.keyword:(*schtasks*\\/Create*\\/SC\\ *ONLOGON*\\/TN\\ *Updater*\\/TR\\ *powershell* OR *schtasks*\\/Create*\\/SC\\ *DAILY*\\/TN\\ *Updater*\\/TR\\ *powershell* OR *schtasks*\\/Create*\\/SC\\ *ONIDLE*\\/TN\\ *Updater*\\/TR\\ *powershell* OR *schtasks*\\/Create*\\/SC\\ *Updater*\\/TN\\ *Updater*\\/TR\\ *powershell*))')\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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