Add in basic, extremely crude version of timeliner.

(So crude, I heard it say the word 'bum' just a moment ago!)  5;P
This commit is contained in:
Mike Auty
2018-03-27 00:33:51 +01:00
parent 2c196c2d79
commit e4d57b639f
+119
View File
@@ -0,0 +1,119 @@
import datetime
import logging
import traceback
import typing
from volatility import framework
from volatility.framework import renderers, automagic, interfaces
from volatility.framework.configuration import requirements
from volatility.framework.interfaces import plugins, configuration
vollog = logging.getLogger(__name__)
class Timeliner(plugins.PluginInterface):
"""Runs all relevant plugins that provide time related information and orders the results by time"""
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.timeline = set()
@classmethod
def get_requirements(cls):
return [requirements.StringRequirement(name = 'plugins',
description = "Comma separated list of plugins to run",
optional = True,
default = None)]
def sortkey(self, value):
"""Filters out the dates and the BaseAbsentValues"""
date, colname, column, node, treegrid = value
if isinstance(date, interfaces.renderers.BaseAbsentValue):
return datetime.datetime.fromtimestamp(0)
return date
def _generator(self) -> typing.Optional[typing.Iterable[typing.Tuple[int, typing.Tuple]]]:
"""Takes a timeline, sorts it and output the data from each relevant row from each plugin"""
for (timestamp, colname, timestamp_column, node, treegrid) in sorted(self.timeline, key = self.sortkey):
# Render node data as string
data = []
# TODO: Ideally the text renderer could render a single row as a string, so we could reuse it here
for column in treegrid.columns:
data += [column.name + ": {}".format(getattr(node.values, treegrid.sanitize_name(column.name)))]
yield (0, [timestamp, timestamp_column.name, ", ".join(data)])
def run(self):
"""Isolate each plugin and run it"""
# Initialize for the run
sep = configuration.CONFIG_SEPARATOR
plugin_list = framework.list_plugins()
automagics = automagic.available(self._context)
self.runable_plugins = {}
# Get the filter from the configuration
selected_list = self.config.get('plugins', None)
if selected_list is not None:
selected_list = selected_list.split(",")
# Identify plugins that we can run which output datetimes
for plugin_name in plugin_list:
# TODO: find a way to demark "interactive" plugins, so that timeliner won't stop in the middle
if "timeliner" in plugin_name or "Volshell" in plugin_name:
continue
found = not selected_list
if not found:
for selected in selected_list:
if selected in plugin_name:
found = True
if found:
plugin = plugin_list[plugin_name]
grid = None
try:
automagics = automagic.choose_automagic(automagics, plugin)
automagic_config_path = configuration.path_join(self.config_path,
sep.join(plugin_name.split(sep)[:-1]))
errors = automagic.run(automagics,
self.context,
plugin,
automagic_config_path,
progress_callback = self._progress_callback)
for error in errors:
vollog.log(logging.DEBUG, "\n".join(error.format(chain = True)))
grid = plugin(self.context,
configuration.path_join(self.config_path, plugin_name),
progress_callback = self._progress_callback).run()
except Exception:
# Remove the failed plugin from the list and continue
continue
if grid is not None:
for column in grid.columns:
if column.type == datetime.datetime:
# Save the plugin
self.runable_plugins[plugin_name] = grid
# Define the visitor to output the data once run
def visitor(node, accumulator):
treegrid, timeline = accumulator
for column in treegrid.columns:
if column.type == datetime.datetime:
colname = treegrid.sanitize_name(column.name)
timeline.add((getattr(node.values, colname), colname, column, node, treegrid))
return (treegrid, timeline)
# Generate the results for each plugin
for plugin_name in self.runable_plugins:
try:
vollog.log(logging.INFO, "Running {}".format(plugin_name))
treegrid = self.runable_plugins[plugin_name]
treegrid.populate(func = visitor, initial_accumulator = (treegrid, self.timeline))
except Exception:
# FIXME: traceback shouldn't be printed directly, but logged instead
traceback.print_exc()
vollog.log(logging.INFO, "Exception occurred running plugin: {}".format(plugin_name))
return renderers.TreeGrid(columns = [("Date", datetime.datetime),
("Relevant Column", str),
("Data", str)],
generator = self._generator())