mirror of https://github.com/infosecn1nja/HELK.git
132 lines
3.3 KiB
Plaintext
132 lines
3.3 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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"# Disable of ETW Trace\n",
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"Detects a command that clears or disables any ETW trace log which could indicate a logging evasion."
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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: Disable of ETW Trace\n",
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" id: a238b5d0-ce2d-4414-a676-7a531b3d13d6\n",
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" description: Detects a command that clears or disables any ETW trace log which could\n",
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" indicate a logging evasion.\n",
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" references:\n",
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" - https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/wevtutil\n",
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" - https://github.com/Neo23x0/sigma/blob/master/rules/windows/process_creation/win_mal_lockergoga.yml\n",
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" - https://abuse.io/lockergoga.txt\n",
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" author: '@neu5ron, Florian Roth'\n",
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" date: 2019/03/22\n",
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" tags:\n",
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" - attack.execution\n",
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" - attack.t1070\n",
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" - car.2016-04-002\n",
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" level: high\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_clear_1:\n",
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" CommandLine: '* cl */Trace*'\n",
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" selection_clear_2:\n",
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" CommandLine: '* clear-log */Trace*'\n",
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" selection_disable_1:\n",
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" CommandLine: '* sl* /e:false*'\n",
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" selection_disable_2:\n",
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" CommandLine: '* set-log* /e:false*'\n",
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" condition: selection_clear_1 or selection_clear_2 or selection_disable_1 or selection_disable_2\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_command_line.keyword:*\\ cl\\ *\\/Trace* OR process_command_line.keyword:*\\ clear\\-log\\ *\\/Trace* OR process_command_line.keyword:*\\ sl*\\ \\/e\\:false* OR process_command_line.keyword:*\\ set\\-log*\\ \\/e\\:false*)')\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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