mirror of https://github.com/infosecn1nja/HELK.git
144 lines
3.7 KiB
Plaintext
144 lines
3.7 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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"# Impacket Lateralization Detection\n",
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"Detects wmiexec/dcomexec/atexec/smbexec from Impacket framework"
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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: Impacket Lateralization Detection\n",
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" id: 10c14723-61c7-4c75-92ca-9af245723ad2\n",
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" status: experimental\n",
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" description: Detects wmiexec/dcomexec/atexec/smbexec from Impacket framework\n",
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" references:\n",
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" - https://github.com/SecureAuthCorp/impacket/blob/master/examples/wmiexec.py\n",
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" - https://github.com/SecureAuthCorp/impacket/blob/master/examples/atexec.py\n",
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" - https://github.com/SecureAuthCorp/impacket/blob/master/examples/smbexec.py\n",
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" - https://github.com/SecureAuthCorp/impacket/blob/master/examples/dcomexec.py\n",
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" author: Ecco\n",
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" date: 2019/09/03\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_other:\n",
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" ParentImage:\n",
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" - '*\\wmiprvse.exe'\n",
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" - '*\\mmc.exe'\n",
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" - '*\\explorer.exe'\n",
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" - '*\\services.exe'\n",
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" CommandLine:\n",
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" - '*cmd.exe* /Q /c * \\\\\\\\127.0.0.1\\\\*&1*'\n",
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" selection_atexec:\n",
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" ParentCommandLine:\n",
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" - '*svchost.exe -k netsvcs'\n",
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" - taskeng.exe*\n",
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" CommandLine:\n",
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" - cmd.exe /C *Windows\\\\Temp\\\\*&1\n",
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" condition: (1 of selection_*)\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.lateral_movement\n",
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" - attack.t1047\n",
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" - attack.t1175\n",
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" falsepositives:\n",
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" - pentesters\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-*', 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:(*\\\\wmiprvse.exe OR *\\\\mmc.exe OR *\\\\explorer.exe OR *\\\\services.exe) AND process_command_line.keyword:(*cmd.exe*\\ \\/Q\\ \\/c\\ *\\ \\\\\\\\127.0.0.1\\\\*&1*)) OR (process_parent_command_line.keyword:(*svchost.exe\\ \\-k\\ netsvcs OR taskeng.exe*) AND process_command_line.keyword:(cmd.exe\\ \\/C\\ *Windows\\\\Temp\\\\*&1)))')\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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