mirror of https://github.com/infosecn1nja/HELK.git
138 lines
3.1 KiB
Plaintext
138 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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"# Bitsadmin Download\n",
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"Detects usage of bitsadmin downloading a file"
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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: Bitsadmin Download\n",
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" id: d059842b-6b9d-4ed1-b5c3-5b89143c6ede\n",
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" status: experimental\n",
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" description: Detects usage of bitsadmin downloading a file\n",
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" references:\n",
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" - https://blog.netspi.com/15-ways-to-download-a-file/#bitsadmin\n",
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" - https://isc.sans.edu/diary/22264\n",
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" tags:\n",
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" - attack.defense_evasion\n",
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" - attack.persistence\n",
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" - attack.t1197\n",
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" - attack.s0190\n",
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" date: 2017/03/09\n",
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" modified: 2019/12/06\n",
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" author: Michael Haag\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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" selection1:\n",
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" Image:\n",
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" - '*\\bitsadmin.exe'\n",
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" CommandLine:\n",
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" - '* /transfer *'\n",
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" selection2:\n",
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" CommandLine:\n",
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" - '*copy bitsadmin.exe*'\n",
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" condition: selection1 or selection2\n",
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" fields:\n",
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" - CommandLine\n",
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" - ParentCommandLine\n",
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" falsepositives:\n",
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" - Some legitimate apps use this, but limited.\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-*', 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_path.keyword:(*\\\\bitsadmin.exe) AND process_command_line.keyword:(*\\ \\/transfer\\ *)) OR process_command_line.keyword:(*copy\\ bitsadmin.exe*))')\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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