Source code for volatility3.plugins.banners

# This file is Copyright 2020 Volatility Foundation and licensed under the Volatility Software License 1.0
# which is available at
import logging
from typing import List

from volatility3.framework import interfaces, renderers, layers
from volatility3.framework.configuration import requirements
from volatility3.framework.layers import scanners
from volatility3.framework.renderers import format_hints

vollog = logging.getLogger(__name__)

[docs]class Banners(interfaces.plugins.PluginInterface): """Attempts to identify potential linux banners in an image""" _required_framework_version = (2, 0, 0)
[docs] @classmethod def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]: return [ requirements.TranslationLayerRequirement( name="primary", description="Memory layer to scan" ) ]
def _generator(self): layer = self.context.layers[self.config["primary"]] if isinstance(layer, layer = self.context.layers[layer.config["memory_layer"]] for offset, banner in self.locate_banners(self.context, yield 0, (offset, banner)
[docs] @classmethod def locate_banners( cls, context: interfaces.context.ContextInterface, layer_name: str ): """Identifies banners from a memory image""" layer = context.layers[layer_name] for offset in layer.scan( context=context, scanner=scanners.RegExScanner( rb"(Linux version|Darwin Kernel Version) [0-9]+\.[0-9]+\.[0-9]+" ), ): data =, 0xFFF) data_index = data.find(b"\x00") if data_index > 0: data = data[:data_index].strip() failed = [ char for char in data if char not in b" #()+,;/-.0123456789:@ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~" ] if not failed: yield format_hints.Hex(offset), str( data, encoding="latin-1", errors="?" )
[docs] def run(self): return renderers.TreeGrid( [("Offset", format_hints.Hex), ("Banner", str)], self._generator() )