def ParseMultiple(self, stats, knowledge_base):
"""Parse each returned registry value."""
user_dict = {}
for stat in stats:
sid_str = stat.pathspec.path.split("/", 3)[2]
if SID_RE.match(sid_str):
if sid_str not in user_dict:
user_dict[sid_str] = rdf_client.User(sid=sid_str)
if stat.registry_data.GetValue():
# Look up in the mapping if we can use this entry to populate a user
# attribute, and if so, set it.
reg_key_name = stat.pathspec.Dirname().Basename()
if reg_key_name in self.key_var_mapping:
map_dict = self.key_var_mapping[reg_key_name]
reg_key = stat.pathspec.Basename()
kb_attr = map_dict.get(reg_key)
if kb_attr:
value = artifact_utils.ExpandWindowsEnvironmentVariables(
stat.registry_data.GetValue(), knowledge_base)
value = artifact_utils.ExpandWindowsUserEnvironmentVariables(
value, knowledge_base, sid=sid_str)
user_dict[sid_str].Set(kb_attr, value)
# Now yield each user we found.
return itervalues(user_dict)
def Parse(self, stat, knowledge_base):
value = stat.registry_data.GetValue()
if not value:
# Provide a default, if the registry value is not available.
value = "%SystemDrive%\\Documents and Settings"
interpolated_value = artifact_utils.ExpandWindowsEnvironmentVariables(
value, knowledge_base)
yield rdfvalue.RDFString(interpolated_value)
def Parse(self, stat, knowledge_base):
"""Expand any variables in the value."""
value = stat.registry_data.GetValue()
if not value:
raise parsers.ParseError("Invalid value for key %s" % stat.pathspec.path)
value = artifact_utils.ExpandWindowsEnvironmentVariables(
value, knowledge_base)
if value:
yield rdfvalue.RDFString(value)
def Parse(self, response, knowledge_base):
system_drive = artifact_utils.ExpandWindowsEnvironmentVariables(
"%systemdrive%", knowledge_base)
for message in json.loads(response.json_messages):
if message[0] == "r":
protection = message[1].get("protection", {}).get("enum", "")
if "EXECUTE" not in protection:
continue
filename = message[1].get("filename", "")
if filename and filename != "Pagefile-backed section":
yield rdf_paths.PathSpec(
path=ntpath.normpath(ntpath.join(system_drive, filename)),
pathtype=rdf_paths.PathSpec.PathType.OS)
def Parse(self, stat, knowledge_base):
value = stat.registry_data.GetValue() or "All Users"
all_users_dir = artifact_utils.ExpandWindowsEnvironmentVariables(
"%ProfilesDirectory%\\" + value, knowledge_base)
yield rdfvalue.RDFString(all_users_dir)
