mirror of https://github.com/infosecn1nja/HELK.git
143 lines
3.6 KiB
Plaintext
143 lines
3.6 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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"# Malicious Service Installations\n",
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"Detects known malicious service installs that only appear in cases of lateral movement, credential dumping and other suspicious activity"
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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: Malicious Service Installations\n",
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" id: 5a105d34-05fc-401e-8553-272b45c1522d\n",
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" description: Detects known malicious service installs that only appear in cases\n",
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" of lateral movement, credential dumping and other suspicious activity\n",
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" author: Florian Roth\n",
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" tags:\n",
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" - attack.persistence\n",
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" - attack.privilege_escalation\n",
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" - attack.t1050\n",
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" - car.2013-09-005\n",
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" logsource:\n",
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" product: windows\n",
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" service: system\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: 7045\n",
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" malsvc_wce:\n",
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" ServiceName:\n",
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" - WCESERVICE\n",
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" - WCE SERVICE\n",
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" malsvc_paexec:\n",
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" ServiceFileName: '*\\PAExec*'\n",
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" malsvc_winexe:\n",
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" ServiceFileName: winexesvc.exe*\n",
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" malsvc_pwdumpx:\n",
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" ServiceFileName: '*\\DumpSvc.exe'\n",
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" malsvc_wannacry:\n",
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" ServiceName: mssecsvc2.0\n",
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" malsvc_persistence:\n",
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" ServiceFileName: '* net user *'\n",
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" malsvc_others:\n",
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" ServiceName:\n",
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" - pwdump*\n",
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" - gsecdump*\n",
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" - cachedump*\n",
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" condition: selection and 1 of malsvc_*\n",
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" falsepositives:\n",
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" - Penetration testing\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-system-*', 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:\"7045\" AND (service_name:(\"WCESERVICE\" OR \"WCE\\ SERVICE\") OR service_image_path.keyword:*\\\\PAExec* OR service_image_path.keyword:winexesvc.exe* OR service_image_path.keyword:*\\\\DumpSvc.exe OR service_name:\"mssecsvc2.0\" OR service_image_path.keyword:*\\ net\\ user\\ * OR service_name.keyword:(pwdump* OR gsecdump* OR cachedump*)))')\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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