mirror of https://github.com/infosecn1nja/HELK.git
139 lines
3.6 KiB
Plaintext
139 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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"# Pass the Hash Activity 2\n",
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"Detects the attack technique pass the hash which is used to move laterally inside the network"
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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: Pass the Hash Activity 2\n",
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" id: 8eef149c-bd26-49f2-9e5a-9b00e3af499b\n",
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" status: production\n",
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" description: Detects the attack technique pass the hash which is used to move laterally\n",
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" inside the network\n",
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" references:\n",
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" - https://github.com/iadgov/Event-Forwarding-Guidance/tree/master/Events\n",
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" - https://blog.binarydefense.com/reliably-detecting-pass-the-hash-through-event-log-analysis\n",
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" - https://blog.stealthbits.com/how-to-detect-pass-the-hash-attacks/\n",
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" author: Dave Kennedy, Jeff Warren (method) / David Vassallo (rule)\n",
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" tags:\n",
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" - attack.lateral_movement\n",
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" - attack.t1075\n",
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" logsource:\n",
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" product: windows\n",
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" service: security\n",
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" definition: The successful use of PtH for lateral movement between workstations\n",
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" would trigger event ID 4624\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: 4624\n",
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" SubjectUserSid: S-1-0-0\n",
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" LogonType: '3'\n",
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" LogonProcessName: NtLmSsp\n",
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" KeyLength: '0'\n",
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" - EventID: 4624\n",
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" LogonType: '9'\n",
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" LogonProcessName: seclogo\n",
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" filter:\n",
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" AccountName: ANONYMOUS LOGON\n",
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" condition: selection and not filter\n",
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" falsepositives:\n",
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" - Administrator activity\n",
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" - Penetration tests\n",
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" level: medium\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-security-*', 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:\"4624\" AND ((SubjectUserSid:\"S\\-1\\-0\\-0\" AND logon_type:\"3\" AND logon_process_name:\"NtLmSsp\" AND KeyLength:\"0\") OR (logon_type:\"9\" AND logon_process_name:\"seclogo\"))) AND (NOT (user_name:\"ANONYMOUS\\ LOGON\")))')\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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