mirror of https://github.com/infosecn1nja/HELK.git
144 lines
3.5 KiB
Plaintext
144 lines
3.5 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 Named Pipe\n",
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"Detects the creation of a named pipe used by known APT malware"
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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 Named Pipe\n",
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" id: fe3ac066-98bb-432a-b1e7-a5229cb39d4a\n",
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" status: experimental\n",
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" description: Detects the creation of a named pipe used by known APT malware\n",
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" references:\n",
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" - Various sources\n",
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" date: 2017/11/06\n",
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" author: Florian Roth\n",
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" logsource:\n",
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" product: windows\n",
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" service: sysmon\n",
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" definition: Note that you have to configure logging for PipeEvents in Symson config\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:\n",
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" - 17\n",
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" - 18\n",
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" PipeName:\n",
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" - \\isapi_http\n",
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" - \\isapi_dg\n",
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" - \\isapi_dg2\n",
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" - \\sdlrpc\n",
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" - \\ahexec\n",
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" - \\winsession\n",
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" - \\lsassw\n",
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" - \\46a676ab7f179e511e30dd2dc41bd388\n",
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" - \\9f81f59bc58452127884ce513865ed20\n",
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" - \\e710f28d59aa529d6792ca6ff0ca1b34\n",
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" - \\rpchlp_3\n",
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" - \\NamePipe_MoreWindows\n",
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" - \\pcheap_reuse\n",
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" - \\msagent_*\n",
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" condition: selection\n",
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" tags:\n",
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" - attack.defense_evasion\n",
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" - attack.privilege_escalation\n",
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" - attack.t1055\n",
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" falsepositives:\n",
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" - Unkown\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-sysmon-*', 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:(\"17\" OR \"18\") AND pipe_name.keyword:(\\\\isapi_http OR \\\\isapi_dg OR \\\\isapi_dg2 OR \\\\sdlrpc OR \\\\ahexec OR \\\\winsession OR \\\\lsassw OR \\\\46a676ab7f179e511e30dd2dc41bd388 OR \\\\9f81f59bc58452127884ce513865ed20 OR \\\\e710f28d59aa529d6792ca6ff0ca1b34 OR \\\\rpchlp_3 OR \\\\NamePipe_MoreWindows OR \\\\pcheap_reuse OR \\\\msagent_*))')\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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