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74 lines
3.6 KiB
Python
74 lines
3.6 KiB
Python
# This file was contributed to the Volatility Framework Version 3.
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# Copyright (C) 2018 Volatility Foundation.
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#
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# THE LICENSED WORK IS PROVIDED UNDER THE TERMS OF THE Volatility Contributors
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# Public License V1.0("LICENSE") AS FIRST COMPLETED BY: Volatility Foundation,
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# Inc. ANY USE, PUBLIC DISPLAY, PUBLIC PERFORMANCE, REPRODUCTION OR DISTRIBUTION
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# OF, OR PREPARATION OF SUBSEQUENT WORKS, DERIVATIVE WORKS OR DERIVED WORKS BASED
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# ON, THE LICENSED WORK CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS LICENSE AND ITS
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# TERMS, WHETHER OR NOT SUCH RECIPIENT READS THE TERMS OF THE LICENSE. "LICENSED
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# WORK,” “RECIPIENT" AND “DISTRIBUTOR" ARE DEFINED IN THE LICENSE. A COPY OF THE
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# LICENSE IS LOCATED IN THE TEXT FILE ENTITLED "LICENSE.txt" ACCOMPANYING THE
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# CONTENTS OF THIS FILE. IF A COPY OF THE LICENSE DOES NOT ACCOMPANY THIS FILE, A
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# COPY OF THE LICENSE MAY ALSO BE OBTAINED AT THE FOLLOWING WEB SITE:
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# https://www.volatilityfoundation.org/license/vcpl_v1.0
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
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# specific language governing rights and limitations under the License.
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#
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from typing import List
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from volatility.framework import renderers, exceptions, interfaces
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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.framework.layers import intel
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class Statistics(plugins.PluginInterface):
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@classmethod
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def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]:
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return [
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requirements.TranslationLayerRequirement(
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name = 'primary', description = 'Memory layer for the kernel', architectures = ["Intel32", "Intel64"])
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]
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def _generator(self):
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# Do mass mapping and determine the number of different layers and how many pages go to each one
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layer = self.context.layers[self.config['primary']]
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page_count = swap_count = invalid_page_count = large_page_count = large_swap_count = large_invalid_count = 0
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if isinstance(layer, intel.Intel):
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page_addr = 0
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while page_addr < layer.maximum_address:
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try:
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_, _, page_size, layer_name = list(layer.mapping(page_addr, 0x2000))[0]
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if layer_name != layer.config['memory_layer']:
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swap_count += 1
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else:
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page_count += 1
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if page_size > 0x1000:
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large_page_count += 1
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except exceptions.SwappedInvalidAddressException as excp:
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swap_count += 1
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page_size = (1 << excp.invalid_bits)
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if page_size != 0x1000:
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large_swap_count += 1
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except exceptions.PagedInvalidAddressException as excp:
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invalid_page_count += 1
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page_size = (1 << excp.invalid_bits)
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if page_size != 0x1000:
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large_invalid_count += 1
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page_addr += page_size
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self._progress_callback((page_addr * 100) / layer.maximum_address, "Reading memory")
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yield (0, (page_count, large_page_count, swap_count, large_swap_count, invalid_page_count, large_invalid_count))
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def run(self):
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return renderers.TreeGrid([("Valid pages (all)", int), ("Valid pages (large)", int),
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("Swapped Pages (all)", int), ("Swapped Pages (large)", int),
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("Invalid Pages (all)", int), ("Invalid Pages (large)", int)], self._generator())
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