Files
volatility3/volatility/plugins/mac/psaux.py
T
2018-12-19 00:54:51 +00:00

90 lines
2.9 KiB
Python

"""A module containing a collection of plugins that produce data
typically found in Linux's /proc file system.
"""
from volatility.framework import exceptions, renderers
from volatility.framework.interfaces import plugins
from volatility.framework.objects import utility
from volatility.plugins.mac import pslist
class Psaux(plugins.PluginInterface):
"""Recovers program command line arguments"""
@classmethod
def get_requirements(cls):
# Since we're calling the plugin, make sure we have the plugin's requirements
return pslist.PsList.get_requirements() + []
def _generator(self, tasks):
for task in tasks:
task_name = utility.array_to_string(task.p_comm)
proc_layer_name = task.add_process_layer()
if proc_layer_name is None:
print("no proc layer")
continue
proc_layer = self.context.memory[proc_layer_name]
argsstart = task.user_stack - task.p_argslen
if not proc_layer.is_valid(argsstart) or task.p_argslen == 0 or task.p_argc == 0:
print("bad check")
continue
# Add one because the first two are usually duplicates
argc = task.p_argc + 1
# smear protection
if argc > 1024:
continue
args = []
while argc > 0:
try:
arg = proc_layer.read(argsstart, 256)
except exceptions.PagedInvalidAddressException:
break
idx = arg.find(b'\x00')
if idx != -1:
arg = arg[:idx]
argsstart += len(str(arg)) + 1
# deal with the stupid alignment (leading nulls) and arg duplication
if len(args) == 0:
while argsstart < task.user_stack:
try:
check = proc_layer.read(argsstart, 1)
except exceptions.PagedInvalidAddressException:
break
if check != b"\x00":
break
argsstart = argsstart + 1
args.append(arg)
# also check for initial duplicates since OS X is painful
elif arg != args[0]:
args.append(arg)
argc = argc - 1
args_str = " ".join([s.decode("utf-8") for s in args])
yield (0, (task.p_pid, task_name, task.p_argc, args_str))
def run(self):
filt = pslist.PsList.create_filter([self.config.get('pid', None)])
plugin = pslist.PsList.list_tasks
return renderers.TreeGrid(
[("PID", int), ("Process", str), ("Argc", int), ("Arguments", str)],
self._generator(plugin(self.context, self.config['primary'], self.config['darwin'], filter = filt)))