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70 lines
2.9 KiB
Python
70 lines
2.9 KiB
Python
import inspect
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from volatility.framework.configuration import requirements
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from volatility.framework.interfaces import plugins
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from volatility.plugins import volshell
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class Volshell(plugins.PluginInterface):
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"""Shell environment to directly interact with a windows memory image"""
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@classmethod
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def get_requirements(cls):
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return (volshell.Volshell.get_requirements() +
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[requirements.SymbolRequirement(name = "nt_symbols", description = "Windows OS"),
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requirements.IntRequirement(name = 'pid',
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description = "Process ID",
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optional = True)])
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def update_configuration(self):
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"""No operation since all values provided by config/requirements initially"""
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def list_processes(self):
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"""Lists all the processes in the primary layer"""
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# We only use the object factory to demonstrate how to use one
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layer_name = self.config['primary']
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kvo = self.context.memory[layer_name].config['kernel_virtual_offset']
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ntkrnlmp = self.context.module(self.config['nt_symbols'], layer_name = layer_name, offset = kvo)
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ps_aph_offset = ntkrnlmp.get_symbol("PsActiveProcessHead").address
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list_entry = ntkrnlmp.object(type_name = "_LIST_ENTRY", offset = kvo + ps_aph_offset)
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# This is example code to demonstrate how to use symbol_space directly, rather than through a module:
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#
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# ```
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# reloff = self.context.symbol_space.get_type(
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# self.config['nt_symbols'] + constants.BANG + "_EPROCESS").relative_child_offset(
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# "ActiveProcessLinks")
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# ```
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#
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# Note: "nt!_EPROCESS" could have been used, but would rely on the "nt" symbol table not already
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# having been present. Strictly, the value of the requirement should be joined with the BANG character
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# defined in the constants file
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reloff = ntkrnlmp.get_type("_EPROCESS").relative_child_offset("ActiveProcessLinks")
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eproc = ntkrnlmp.object(type_name = "_EPROCESS", offset = list_entry.vol.offset - reloff)
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for proc in eproc.ActiveProcessLinks:
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yield proc
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def run(self):
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# Determine locals
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curframe = inspect.currentframe()
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# Provide some OS-agnostic convenience elements for ease
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layer_name = self.config['primary']
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kvo = self.context.memory[layer_name].config['kernel_virtual_offset']
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nt = self.context.module(self.config['nt_symbols'], layer_name = layer_name, offset = kvo)
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ps = lambda: list(self.list_processes())
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pid = self.config.get('pid', None)
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eproc = None
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if pid:
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for _x in ps():
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if _x.UniqueProcessId == pid:
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eproc = _x
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break
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return volshell.Volshell(self.context, "plugins.Volshell").run(curframe.f_locals)
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