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https://github.com/volatilityfoundation/volatility3.git
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80 lines
3.4 KiB
Python
80 lines
3.4 KiB
Python
import volatility.framework.interfaces.plugins as interfaces_plugins
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import volatility.framework.interfaces.renderers as interfaces_renderers
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import volatility.plugins.linux.pslist as pslist
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from volatility.framework import constants
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from volatility.framework import renderers
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from volatility.framework.configuration import requirements
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from volatility.framework.objects import utility
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from volatility.framework.renderers import format_hints
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class Malfind(interfaces_plugins.PluginInterface):
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"""Lists process memory ranges that potentially contain injected code"""
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@classmethod
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def get_requirements(cls):
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return [requirements.TranslationLayerRequirement(name = 'primary',
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description = 'Kernel Address Space',
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architectures = ["Intel32", "Intel64"]),
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requirements.SymbolRequirement(name = "vmlinux",
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description = "Linux Kernel")]
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def list_injections(self, task):
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"""Generate memory regions for a process that may contain
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injected code.
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"""
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proc_layer_name = task.add_process_layer()
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if proc_layer_name == None:
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return
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proc_layer = self.context.memory[proc_layer_name]
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for vma in task.mm.mmap_iter:
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if vma.is_suspicious() and vma.get_name(task) != "[vdso]":
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data = proc_layer.read(vma.vm_start, 64, pad = True)
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yield vma, data
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def _generator(self, tasks):
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# determine if we're on a 32 or 64 bit kernel
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if self.context.symbol_space.get_type(self.config["vmlinux"] + constants.BANG + "pointer").size == 4:
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is_32bit_arch = True
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else:
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is_32bit_arch = False
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for task in tasks:
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process_name = utility.array_to_string(task.comm)
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for vma, data in self.list_injections(task):
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if is_32bit_arch:
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architecture = "intel"
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else:
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architecture = "intel64"
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disasm = interfaces_renderers.Disassembly(data, vma.vm_start, architecture)
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yield (0, (task.pid,
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process_name,
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format_hints.Hex(vma.vm_start),
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format_hints.Hex(vma.vm_end),
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vma.get_protection(),
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format_hints.HexBytes(data),
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disasm))
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def run(self):
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filter = pslist.PsList.create_filter([self.config.get('pid', None)])
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plugin = pslist.PsList.list_tasks
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return renderers.TreeGrid([("PID", int),
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("Process", str),
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("Start", format_hints.Hex),
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("End", format_hints.Hex),
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("Protection", str),
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("Hexdump", format_hints.HexBytes),
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("Disasm", interfaces_renderers.Disassembly)],
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self._generator(plugin(self.context,
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self.config['primary'],
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self.config['vmlinux'],
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filter = filter)))
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