Source code for volatility3.plugins.mac.malfind

# This file is Copyright 2019 Volatility Foundation and licensed under the Volatility Software License 1.0
# which is available at

from volatility3.framework import interfaces
from volatility3.framework import renderers
from volatility3.framework.configuration import requirements
from volatility3.framework.objects import utility
from volatility3.framework.renderers import format_hints
from volatility3.plugins.mac import pslist

[docs]class Malfind(interfaces.plugins.PluginInterface): """Lists process memory ranges that potentially contain injected code.""" _required_framework_version = (2, 0, 0)
[docs] @classmethod def get_requirements(cls): return [ requirements.ModuleRequirement( name="kernel", description="Kernel module for the OS", architectures=["Intel32", "Intel64"], ), requirements.PluginRequirement( name="pslist", plugin=pslist.PsList, version=(3, 0, 0) ), requirements.ListRequirement( name="pid", description="Filter on specific process IDs", element_type=int, optional=True, ), ]
def _list_injections(self, task): """Generate memory regions for a process that may contain injected code.""" proc_layer_name = task.add_process_layer() if proc_layer_name is None: return None proc_layer = self.context.layers[proc_layer_name] for vma in task.get_map_iter(): if not vma.is_suspicious( self.context, self.context.modules[self.config["kernel"]].symbol_table_name, ): data =, 64, pad=True) yield vma, data def _generator(self, tasks): # determine if we're on a 32 or 64 bit kernel if self.context.modules[self.config["kernel"]].get_type("pointer").size == 4: is_32bit_arch = True else: is_32bit_arch = False for task in tasks: process_name = utility.array_to_string(task.p_comm) for vma, data in self._list_injections(task): if is_32bit_arch: architecture = "intel" else: architecture = "intel64" disasm = interfaces.renderers.Disassembly( data, vma.links.start, architecture ) yield ( 0, ( task.p_pid, process_name, format_hints.Hex(vma.links.start), format_hints.Hex(vma.links.end), vma.get_perms(), format_hints.HexBytes(data), disasm, ), )
[docs] def run(self): filter_func = pslist.PsList.create_pid_filter(self.config.get("pid", None)) list_tasks = pslist.PsList.get_list_tasks( self.config.get("pslist_method", pslist.PsList.pslist_methods[0]) ) return renderers.TreeGrid( [ ("PID", int), ("Process", str), ("Start", format_hints.Hex), ("End", format_hints.Hex), ("Protection", str), ("Hexdump", format_hints.HexBytes), ("Disasm", interfaces.renderers.Disassembly), ], self._generator( list_tasks(self.context, self.config["kernel"], filter_func=filter_func) ), )