Skip to content

Instantly share code, notes, and snippets.

@jsecurity101
Last active October 30, 2020 02:18
Show Gist options
  • Save jsecurity101/0f6f0af9f788fe1c4be8b8373ce43a3c to your computer and use it in GitHub Desktop.
Save jsecurity101/0f6f0af9f788fe1c4be8b8373ce43a3c to your computer and use it in GitHub Desktop.
Display the source blob
Display the rendered blob
Raw
{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Author: Jonathan Johnson\n",
"## Detection: Netsync\n",
"### References: Andrew Schwartz (TrustedSec)"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [],
"source": [
"%%capture\n",
"!pip install splunk-sdk\n",
"!pip install pandas\n",
"!pip install pandasql\n",
"import matplotlib.pyplot as plt\n",
"import pandas as pd\n",
"import pandasql\n",
"pd.set_option('display.max_columns', None) \n",
"pd.set_option('display.expand_frame_repr', False)\n",
"pd.set_option('max_colwidth', 0)"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [],
"source": [
"import splunklib.client as client\n",
"# Create a Service instance and log in \n",
"service = client.connect(\n",
" host='192.0.0.0', #Input your Splunk's IP here\n",
" port='8089',\n",
" username=\"admin\",\n",
" password=\"Password\",\n",
" scheme='https')"
]
},
{
"cell_type": "code",
"execution_count": 12,
"metadata": {},
"outputs": [
{
"data": {
"application/vnd.jupyter.widget-view+json": {
"model_id": "f4eb813e2f7542a3b01270ce81e40950",
"version_major": 2,
"version_minor": 0
},
"text/plain": [
"HBox(children=(HTML(value=''), FloatProgress(value=0.0, max=124.0), HTML(value='')))"
]
},
"metadata": {},
"output_type": "display_data"
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n"
]
}
],
"source": [
"import splunklib.results as results\n",
"from tqdm.notebook import tqdm\n",
"from time import sleep\n",
"#Query: \n",
"query = \"search index=Windows sourcetype=Security EventCode=5145 earliest=-60m\"\n",
"\n",
"query_results = service.jobs.oneshot(query, count=0)\n",
"reader = results.ResultsReader(query_results)\n",
"\n",
"results = []\n",
"\n",
"for result in reader:\n",
" results.append(result)\n",
"\n",
"for i in tqdm(results):\n",
" sleep(0.01)\n",
" df_EID_5145=pd.DataFrame(results)\n",
" \n",
"\n",
"df2_EID_5145 = df_EID_5145.Message\n",
"df3_EID_5145 = df2_EID_5145.str.split('\\n')\n",
"df4_EID_5145 = [{a.split(\":\")[0].strip():\":\".join(a.split(\":\")[1:]).strip() for a in b if \":\".join(a.split(\":\")[1:]).strip() != ''} for b in df3_EID_5145]\n",
"Network_Share = pd.DataFrame(df4_EID_5145)"
]
},
{
"cell_type": "code",
"execution_count": 10,
"metadata": {},
"outputs": [
{
"data": {
"application/vnd.jupyter.widget-view+json": {
"model_id": "c7e359d07c844ab5821963a14646232c",
"version_major": 2,
"version_minor": 0
},
"text/plain": [
"HBox(children=(HTML(value=''), FloatProgress(value=0.0, max=257.0), HTML(value='')))"
]
},
"metadata": {},
"output_type": "display_data"
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n"
]
}
],
"source": [
"import splunklib.results as results\n",
"#Query: \n",
"query = \"search index=Windows sourcetype=Security EventCode=4624 earliest=-60m\"\n",
"\n",
"query_results = service.jobs.oneshot(query, count=0)\n",
"reader = results.ResultsReader(query_results)\n",
"\n",
"results = []\n",
"\n",
"for result in reader:\n",
" results.append(result)\n",
"\n",
"for i in tqdm(results):\n",
" sleep(0.01)\n",
" df_EID_4624=pd.DataFrame(results) \n",
" \n",
"\n",
"df2_EID_4624 = df_EID_4624.Message\n",
"df3_EID_4624 = df2_EID_4624.str.split('\\n')\n",
"df4_EID_4624 = [{a.split(\":\")[0].strip():\":\".join(a.split(\":\")[1:]).strip() for a in b if \":\".join(a.split(\":\")[1:]).strip() != ''} for b in df3_EID_4624]\n",
"Logon_Events = pd.DataFrame(df4_EID_4624)"
]
},
{
"cell_type": "code",
"execution_count": 39,
"metadata": {},
"outputs": [],
"source": [
"from pandasql import sqldf\n",
"NetSync_df = pandasql.sqldf(\n",
"\"\"\"\n",
"SELECT \n",
"a.\"Account Name\", \n",
"a.\"Relative Target Name\", \n",
"a.\"Logon ID\",\n",
"a.\"Share Name\",\n",
"a.\"Share Path\", \n",
"a.\"Access Mask\", \n",
"b.\"Logon Type\"\n",
"FROM Network_Share a\n",
"JOIN Logon_Events b\n",
"ON a.\"Logon ID\" = b.\"Logon ID\"\n",
"AND a.\"Access Mask\" = \"0x12019F\"\n",
"AND a.\"Relative Target Name\" = \"NETLOGON\"\n",
"AND b.\"Logon Type\" = \"3\"\n",
"AND a.\"Share Name\" = \"\\\\\\*\\\\IPC$\"\n",
"\"\"\"\n",
"\n",
").drop_duplicates().reset_index().drop(\"index\", axis=1)"
]
},
{
"cell_type": "code",
"execution_count": 40,
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
"<div>\n",
"<style scoped>\n",
" .dataframe tbody tr th:only-of-type {\n",
" vertical-align: middle;\n",
" }\n",
"\n",
" .dataframe tbody tr th {\n",
" vertical-align: top;\n",
" }\n",
"\n",
" .dataframe thead th {\n",
" text-align: right;\n",
" }\n",
"</style>\n",
"<table border=\"1\" class=\"dataframe\">\n",
" <thead>\n",
" <tr style=\"text-align: right;\">\n",
" <th></th>\n",
" <th>Account Name</th>\n",
" <th>Relative Target Name</th>\n",
" <th>Logon ID</th>\n",
" <th>Share Name</th>\n",
" <th>Share Path</th>\n",
" <th>Access Mask</th>\n",
" <th>Logon Type</th>\n",
" </tr>\n",
" </thead>\n",
" <tbody>\n",
" <tr>\n",
" <th>0</th>\n",
" <td>thor</td>\n",
" <td>NETLOGON</td>\n",
" <td>0x24D9A6</td>\n",
" <td>\\\\*\\IPC$</td>\n",
" <td>None</td>\n",
" <td>0x12019F</td>\n",
" <td>3</td>\n",
" </tr>\n",
" </tbody>\n",
"</table>\n",
"</div>"
],
"text/plain": [
" Account Name Relative Target Name Logon ID Share Name Share Path Access Mask Logon Type\n",
"0 thor NETLOGON 0x24D9A6 \\\\*\\IPC$ None 0x12019F 3 "
]
},
"execution_count": 40,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"NetSync_df"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.8.6"
}
},
"nbformat": 4,
"nbformat_minor": 4
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment