2022-01-29 02:50:33 +00:00
|
|
|
# Mobile Verification Toolkit (MVT)
|
2022-01-30 19:15:01 +00:00
|
|
|
# Copyright (c) 2021-2022 The MVT Project Authors.
|
2022-01-29 02:50:33 +00:00
|
|
|
# Use of this software is governed by the MVT License 1.1 that can be found at
|
|
|
|
# https://license.mvt.re/1.1/
|
|
|
|
|
|
|
|
import logging
|
|
|
|
|
|
|
|
from .base import AndroidExtraction
|
|
|
|
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
|
|
|
|
|
|
class DumpsysActivities(AndroidExtraction):
|
|
|
|
"""This module extracts details on receivers for risky activities."""
|
|
|
|
|
|
|
|
def __init__(self, file_path=None, base_folder=None, output_folder=None,
|
|
|
|
serial=None, fast_mode=False, log=None, results=[]):
|
|
|
|
super().__init__(file_path=file_path, base_folder=base_folder,
|
|
|
|
output_folder=output_folder, fast_mode=fast_mode,
|
|
|
|
log=log, results=results)
|
|
|
|
|
|
|
|
self.results = results if results else {}
|
|
|
|
|
2022-01-30 03:08:48 +00:00
|
|
|
def check_indicators(self):
|
|
|
|
for intent, activities in self.results.items():
|
|
|
|
for activity in activities:
|
|
|
|
ioc = self.indicators.check_app_id(activity["package"])
|
|
|
|
if ioc:
|
2022-01-30 19:29:09 +00:00
|
|
|
activity["matched_indicator"] = ioc
|
2022-01-30 03:08:48 +00:00
|
|
|
self.detected.append({intent: activity})
|
|
|
|
continue
|
|
|
|
|
2022-01-31 11:58:33 +00:00
|
|
|
@staticmethod
|
|
|
|
def parse_activity_resolver_table(output):
|
|
|
|
results = {}
|
|
|
|
|
2022-01-29 02:50:33 +00:00
|
|
|
in_activity_resolver_table = False
|
|
|
|
in_non_data_actions = False
|
|
|
|
intent = None
|
2022-01-31 10:30:49 +00:00
|
|
|
for line in output.split("\n"):
|
2022-01-29 02:50:33 +00:00
|
|
|
if line.startswith("Activity Resolver Table:"):
|
|
|
|
in_activity_resolver_table = True
|
|
|
|
continue
|
|
|
|
|
|
|
|
if not in_activity_resolver_table:
|
|
|
|
continue
|
|
|
|
|
|
|
|
if line.startswith(" Non-Data Actions:"):
|
|
|
|
in_non_data_actions = True
|
|
|
|
continue
|
|
|
|
|
|
|
|
if not in_non_data_actions:
|
|
|
|
continue
|
|
|
|
|
|
|
|
# If we hit an empty line, the Non-Data Actions section should be
|
|
|
|
# finished.
|
|
|
|
if line.strip() == "":
|
|
|
|
break
|
|
|
|
|
|
|
|
# We detect the action name.
|
|
|
|
if line.startswith(" " * 6) and not line.startswith(" " * 8) and ":" in line:
|
|
|
|
intent = line.strip().replace(":", "")
|
2022-01-31 11:58:33 +00:00
|
|
|
results[intent] = []
|
2022-01-29 02:50:33 +00:00
|
|
|
continue
|
|
|
|
|
|
|
|
# If we are not in an intent block yet, skip.
|
|
|
|
if not intent:
|
|
|
|
continue
|
|
|
|
|
|
|
|
# If we are in a block but the line does not start with 8 spaces
|
|
|
|
# it means the block ended a new one started, so we reset and
|
|
|
|
# continue.
|
|
|
|
if not line.startswith(" " * 8):
|
|
|
|
intent = None
|
|
|
|
continue
|
|
|
|
|
|
|
|
# If we got this far, we are processing receivers for the
|
|
|
|
# activities we are interested in.
|
|
|
|
activity = line.strip().split(" ")[1]
|
2022-01-30 03:08:48 +00:00
|
|
|
package = activity.split("/")[0]
|
2022-01-29 02:50:33 +00:00
|
|
|
|
2022-01-31 11:58:33 +00:00
|
|
|
results[intent].append({
|
2022-01-30 03:08:48 +00:00
|
|
|
"package": package,
|
2022-01-29 02:50:33 +00:00
|
|
|
"activity": activity,
|
|
|
|
})
|
|
|
|
|
2022-01-31 11:58:33 +00:00
|
|
|
return results
|
|
|
|
|
2022-01-29 02:50:33 +00:00
|
|
|
def run(self):
|
|
|
|
self._adb_connect()
|
|
|
|
|
|
|
|
output = self._adb_command("dumpsys package")
|
2022-01-31 11:58:33 +00:00
|
|
|
self.results = self.parse_activity_resolver_table(output)
|
2022-01-29 02:50:33 +00:00
|
|
|
|
|
|
|
self._adb_disconnect()
|