From 3673a609182d2f7daffe39002a755d407b2f1f2d Mon Sep 17 00:00:00 2001
From: acidvegas <acid.vegas@acid.vegas>
Date: Sun, 19 Jan 2025 23:29:55 -0500
Subject: [PATCH] ingestor added for ptr stream

---
 ingestors/ingest_ptrstream.py | 109 ++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 ingestors/ingest_ptrstream.py

diff --git a/ingestors/ingest_ptrstream.py b/ingestors/ingest_ptrstream.py
new file mode 100644
index 0000000..d07ea16
--- /dev/null
+++ b/ingestors/ingest_ptrstream.py
@@ -0,0 +1,109 @@
+#!/usr/bin/env python
+# Elasticsearch Recon Ingestion Scripts (ERIS) - Developed by Acidvegas (https://git.acid.vegas/eris)
+# ingestors/ingest_ptrstream.py
+
+'''
+This ingestor is meant to be used with https://github.com/acidvegas/ptrstream
+'''
+
+import json
+import logging
+
+try:
+	import aiofiles
+except ImportError:
+	raise ImportError('Missing required \'aiofiles\' library. (pip install aiofiles)')
+
+
+# Set a default elasticsearch index if one is not provided
+default_index = 'havoc-ptr'
+
+
+def construct_map() -> dict:
+	'''Construct the Elasticsearch index mapping for records'''
+
+	# Match on exact value or full text search
+	keyword_mapping = { 'type': 'text', 'fields': { 'keyword': { 'type': 'keyword', 'ignore_above': 256 } } }
+
+	# Construct the index mapping
+	mapping = {
+		'mappings': {
+			'properties': {
+				'ip'          : {'type': 'ip'},
+				'nameserver'  : {'type': 'ip'},
+				'record'      : keyword_mapping,
+				'record_type' : {'type': 'keyword'},
+				'ttl'         : {'type': 'integer'},
+				'seen'        : {'type': 'date'}
+			}
+		}
+	}
+
+	return mapping
+
+
+async def process_data(input_path: str):
+	'''
+	Read and process the input file
+
+	:param input_path: Path to the input file
+	'''
+
+	# Open the input file
+	async with aiofiles.open(input_path) as input_file:
+
+		# Read the input file line by line
+		async for line in input_file:
+
+			# Strip whitespace
+			line = line.strip()
+
+			# Skip empty lines and lines that do not start with a JSON object
+			if not line or not line.startswith('{'):
+				continue
+
+			# Parse the JSON record
+			try:
+				record = json.loads(line)
+			except json.decoder.JSONDecodeError:
+				logging.error(f'Failed to parse JSON record! ({line})')
+				continue
+
+			# Get the IP address from the in-addr.arpa domain
+			ip = record['ip']
+
+			# Do not index PTR records that have the same record as the in-addr.arpa domain
+			if record['record'] == '.'.join(ip.split('.')[::-1]) + '.in-addr.arpa':
+				continue
+
+			# Create the document structure
+			yield {
+				'_op_type'      : 'update',
+				'_id'           : ip,
+				'_index'        : default_index,
+				'doc'           : record,
+				'doc_as_upsert' : True # Create the document if it does not exist
+			}
+
+
+async def test(input_path: str):
+	'''
+	Test the ingestion process
+
+	:param input_path: Path to the input file
+	'''
+
+	async for document in process_data(input_path):
+		print(document)
+
+
+
+if __name__ == '__main__':
+	import argparse
+	import asyncio
+
+	parser = argparse.ArgumentParser(description='Ingestor for ERIS')
+	parser.add_argument('input_path', help='Path to the input file or directory')
+	args = parser.parse_args()
+
+	asyncio.run(test(args.input_path))
\ No newline at end of file