mirror of https://github.com/infosecn1nja/HELK.git
130 lines
3.1 KiB
Plaintext
130 lines
3.1 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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"# Successful Overpass the Hash Attempt\n",
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"Detects successful logon with logon type 9 (NewCredentials) which matches the Overpass the Hash behavior of e.g Mimikatz's sekurlsa::pth module."
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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: Successful Overpass the Hash Attempt\n",
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" id: 192a0330-c20b-4356-90b6-7b7049ae0b87\n",
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" status: experimental\n",
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" description: Detects successful logon with logon type 9 (NewCredentials) which matches\n",
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" the Overpass the Hash behavior of e.g Mimikatz's sekurlsa::pth module.\n",
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" references:\n",
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" - https://cyberwardog.blogspot.de/2017/04/chronicles-of-threat-hunter-hunting-for.html\n",
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" author: Roberto Rodriguez (source), Dominik Schaudel (rule)\n",
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" date: 2018/02/12\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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" - attack.s0002\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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" 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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" LogonType: 9\n",
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" LogonProcessName: seclogo\n",
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" AuthenticationPackageName: Negotiate\n",
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" condition: selection\n",
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" falsepositives:\n",
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" - Runas command-line tool using /netonly parameter\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-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 logon_type:\"9\" AND logon_process_name:\"seclogo\" AND logon_authentication_package:\"Negotiate\")')\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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