mirror of https://github.com/infosecn1nja/HELK.git
134 lines
3.2 KiB
Plaintext
134 lines
3.2 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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"# CACTUSTORCH Remote Thread Creation\n",
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"Detects remote thread creation from CACTUSTORCH as described in references."
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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: CACTUSTORCH Remote Thread Creation\n",
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" id: 2e4e488a-6164-4811-9ea1-f960c7359c40\n",
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" description: Detects remote thread creation from CACTUSTORCH as described in references.\n",
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" references:\n",
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" - https://twitter.com/SBousseaden/status/1090588499517079552\n",
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" - https://github.com/mdsecactivebreach/CACTUSTORCH\n",
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" status: experimental\n",
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" author: '@SBousseaden (detection), Thomas Patzke (rule)'\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: 8\n",
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" SourceImage:\n",
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" - '*\\System32\\cscript.exe'\n",
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" - '*\\System32\\wscript.exe'\n",
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" - '*\\System32\\mshta.exe'\n",
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" - '*\\winword.exe'\n",
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" - '*\\excel.exe'\n",
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" TargetImage: '*\\SysWOW64\\\\*'\n",
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" StartModule: null\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.t1055\n",
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" - attack.t1064\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:\"8\" AND process_path.keyword:(*\\\\System32\\\\cscript.exe OR *\\\\System32\\\\wscript.exe OR *\\\\System32\\\\mshta.exe OR *\\\\winword.exe OR *\\\\excel.exe) AND target_process_path.keyword:*\\\\SysWOW64\\\\* AND NOT _exists_:thread_start_module)')\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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