volatility3.plugins.yarascan module

class YaraScan(context, config_path, progress_callback=None)

Bases: PluginInterface

Scans kernel memory using yara rules (string or file).

Parameters:

• context (ContextInterface) – The context that the plugin will operate within

• config_path (str) – The path to configuration data within the context configuration data

• progress_callback (Optional[Callable[[float, str], None]]) – A callable that can provide feedback at progress points

build_configuration()

Constructs a HierarchicalDictionary of all the options required to build this component in the current context.

Ensures that if the class has been created, it can be recreated using the configuration built Inheriting classes must override this to ensure any dependent classes update their configurations too

Return type:

HierarchicalDict

property config: HierarchicalDict

The Hierarchical configuration Dictionary for this Configurable object.

property config_path: str

The configuration path on which this configurable lives.

property context: ContextInterface

The context object that this configurable belongs to/configuration is stored in.

classmethod get_requirements()

Returns the requirements needed to run yarascan directly, combining the TranslationLayerRequirement and the requirements from get_yarascan_option_requirements.

Return type:

List[RequirementInterface]

classmethod get_yarascan_option_requirements()

Returns the requirements needed for the command lines options used by yarascan. This can then also be used by other plugins that are using yarascan. This does not include a TranslationLayerRequirement or a ModuleRequirement.

Return type:

List[RequirementInterface]

classmethod make_subconfig(context, base_config_path, **kwargs)

Convenience function to allow constructing a new randomly generated sub-configuration path, containing each element from kwargs.

Parameters:

• context (ContextInterface) – The context in which to store the new configuration

• base_config_path (str) – The base configuration path on which to build the new configuration

• kwargs – Keyword arguments that are used to populate the new configuration path

Returns:

The newly generated full configuration path

Return type:

str

property open

Returns a context manager and thus can be called like open

classmethod process_yara_options(config)

run()

Executes the functionality of the code.

Note

This method expects self.validate to have been called to ensure all necessary options have been provided

Returns:

A TreeGrid object that can then be passed to a Renderer.

set_open_method(handler)

Sets the file handler to be used by this plugin.

Return type:

None

classmethod unsatisfied(context, config_path)

Returns a list of the names of all unsatisfied requirements.

Since a satisfied set of requirements will return [], it can be used in tests as follows:

unmet = configurable.unsatisfied(context, config_path)
if unmet:
    raise RuntimeError("Unsatisfied requirements: {}".format(unmet)

Return type:

Dict[str, RequirementInterface]

version = (2, 0, 0)

classmethod yara_returns_instances()

Return type:

bool

class YaraScanner(rules)

Bases: ScannerInterface

property context: ContextInterface | None

static from_compiled_file(filepath)

static from_file(filepath)

static get_rule(rule)

property layer_name: str | None

thread_safe = False

version = (2, 1, 0)