def generate_group_heat_map(groups,
overlay,
overlay_type,
stage,
platform,
software_groups,
search_visibility,
search_detection,
health_is_called,
include_all_score_objs=False):
"""
Calls all functions that are necessary for the generation of the heat map and write a json layer to disk.
:param groups: threat actor groups
:param overlay: group(s), visibility or detections to overlay (group ID, group name/alias, YAML file with
group(s), detections or visibility)
:param overlay_type: group, visibility or detection
:param stage: attack or pre-attack
:param platform: one of the values from PLATFORMS constant or 'all'
:param software_groups: specify if techniques from related software should be included
:param search_visibility: visibility EQL search query
:param search_detection: detection EQL search query
:param health_is_called: boolean that specifies if detailed errors in the file will be printed
:param include_all_score_objs: include all score objects within the score_logbook for the EQL query
:return: returns nothing when something's wrong
"""
overlay_dict = {}
groups_software_dict = {}
groups_file_type = None
if os.path.isfile(groups):
groups_file_type = check_file(groups,
file_type=FILE_TYPE_GROUP_ADMINISTRATION,
health_is_called=health_is_called)
if not groups_file_type:
return
else:
# remove whitespaces (leading and trailing), convert to lower case and put in a list
groups = groups.split(',')
groups = list(map(lambda x: x.strip().lower(), groups))
# set the correct value for platform
if groups_file_type == FILE_TYPE_GROUP_ADMINISTRATION:
_yaml = init_yaml()
with open(groups, 'r') as yaml_file:
group_file = _yaml.load(yaml_file)
platform_yaml = get_platform_from_yaml(group_file)
if platform_yaml:
platform = platform_yaml
if isinstance(platform, str) and platform.lower() != 'all':
platform = [platform]
overlay_file_type = None
if overlay:
if os.path.isfile(overlay):
expected_file_type = FILE_TYPE_GROUP_ADMINISTRATION if overlay_type == OVERLAY_TYPE_GROUP \
else FILE_TYPE_TECHNIQUE_ADMINISTRATION \
if overlay_type in [OVERLAY_TYPE_VISIBILITY, OVERLAY_TYPE_DETECTION] else None
overlay_file_type = check_file(overlay,
expected_file_type,
health_is_called=health_is_called)
if not overlay_file_type:
return
else:
overlay = overlay.split(',')
overlay = list(map(lambda x: x.strip().lower(), overlay))
else:
overlay = []
# load the techniques (visibility or detection) from the YAML file
all_techniques = None
if overlay_file_type == FILE_TYPE_TECHNIQUE_ADMINISTRATION:
# filter out visibility and/or detection objects using EQL
if search_detection or search_visibility:
overlay = techniques_search(
overlay,
search_visibility,
search_detection,
include_all_score_objs=include_all_score_objs)
if not overlay:
return None # something went wrong in executing the search or 0 results where returned
if overlay_type == OVERLAY_TYPE_VISIBILITY:
overlay_dict, all_techniques = _get_visibility_techniques(overlay)
elif overlay_type == OVERLAY_TYPE_DETECTION:
overlay_dict, all_techniques = _get_detection_techniques(overlay)
# we are not overlaying visibility or detection, overlay group will therefore contain information on another group
elif len(overlay) > 0:
overlay_dict = _get_group_techniques(overlay, stage, platform,
overlay_file_type)
if overlay_dict == -1:
return
groups_dict = _get_group_techniques(groups, stage, platform,
groups_file_type)
if groups_dict == -1:
return
if len(groups_dict) == 0:
print('[!] Empty layer.'
) # the provided groups dit not result in any techniques
return
# check if we are doing a software group overlay
if software_groups and overlay:
if overlay_type not in [
OVERLAY_TYPE_VISIBILITY, OVERLAY_TYPE_DETECTION
]:
# if a group overlay is provided, get the software techniques for the overlay
groups_software_dict = _get_software_techniques(
overlay, stage, platform)
elif software_groups:
groups_software_dict = _get_software_techniques(
groups, stage, platform)
technique_count, max_count = _get_technique_count(groups_dict,
overlay_dict,
groups_software_dict,
overlay_type,
all_techniques)
technique_layer = _get_technique_layer(technique_count, groups_dict,
overlay_dict, groups_software_dict,
overlay_file_type, overlay_type,
all_techniques)
# make a list group names for the involved groups.
if groups == ['all']:
groups_list = ['all']
else:
groups_list = _get_group_list(groups_dict, groups_file_type)
overlay_list = _get_group_list(overlay_dict, overlay_file_type)
desc = 'stage: ' + stage + ' | platform(s): ' + platform_to_name(platform, separator=', ') + ' | group(s): ' \
+ ', '.join(groups_list) + ' | overlay group(s): ' + ', '.join(overlay_list)
layer = get_layer_template_groups(
stage[0].upper() + stage[1:] + ' - ' +
platform_to_name(platform, separator=', '), max_count, desc, stage,
platform, overlay_type)
layer['techniques'] = technique_layer
json_string = simplejson.dumps(layer).replace('}, ', '},\n')
if stage == 'pre-attack':
filename = '_'.join(groups_list)
elif overlay:
filename = platform_to_name(platform) + '_' + '_'.join(
groups_list) + '-overlay_' + '_'.join(overlay_list)
else:
filename = platform_to_name(platform) + '_' + '_'.join(groups_list)
write_file(stage, filename[:255], json_string)
def generate_group_heat_map(groups,
overlay,
overlay_type,
platform,
software_groups,
search_visibility,
search_detection,
health_is_called,
output_filename,
layer_name,
include_all_score_objs=False):
"""
Calls all functions that are necessary for the generation of the heat map and write a json layer to disk.
:param groups: threat actor groups
:param overlay: group(s), visibility or detections to overlay (group ID, group name/alias, YAML file with
group(s), detections or visibility)
:param overlay_type: group, visibility or detection
:param platform: one or multiple the values from PLATFORMS constant or None (default = Windows)
:param software_groups: specify if techniques from related software should be included
:param search_visibility: visibility EQL search query
:param search_detection: detection EQL search query
:param health_is_called: boolean that specifies if detailed errors in the file will be printed
:param output_filename: output filename defined by the user
:param layer_name: the name of the Navigator layer
:param include_all_score_objs: include all score objects within the score_logbook for the EQL query
:return: returns None when something went wrong
"""
overlay_dict = {}
groups_software_dict = {}
groups_file_type = None
if groups == None:
groups = ['all']
elif os.path.isfile(groups[0]):
groups = groups[0]
groups_file_type = check_file(groups,
file_type=FILE_TYPE_GROUP_ADMINISTRATION,
health_is_called=health_is_called)
if not groups_file_type:
return None # the groups_file_type is not of the type FILE_TYPE_GROUP_ADMINISTRATION
elif isinstance(groups[0], str) and len(groups) == 1:
# reached when the groups are provided via the interactive menu, or when the CLI only contained one argument
groups = groups[0]
groups = groups.split(',')
groups = list(map(lambda x: x.strip().lower(), groups))
else: # reached when the groups are provided via CLI arguments
groups = list(map(lambda x: x.strip().lower(), groups))
# set the correct value for platform
platform_yaml = None
if groups_file_type == FILE_TYPE_GROUP_ADMINISTRATION:
_yaml = init_yaml()
with open(groups, 'r') as yaml_file:
group_file = _yaml.load(yaml_file)
platform_yaml = get_platform_from_yaml(group_file)
if platform == None and platform_yaml != None:
platform = platform_yaml
elif platform == None:
platform = ['Windows']
elif 'all' in platform:
platform = list(PLATFORMS.values())
overlay_file_type = None
if overlay:
if os.path.isfile(overlay[0]):
overlay = overlay[0]
expected_file_type = FILE_TYPE_GROUP_ADMINISTRATION if overlay_type == OVERLAY_TYPE_GROUP \
else FILE_TYPE_TECHNIQUE_ADMINISTRATION \
if overlay_type in [OVERLAY_TYPE_VISIBILITY, OVERLAY_TYPE_DETECTION] else None
overlay_file_type = check_file(overlay,
expected_file_type,
health_is_called=health_is_called)
if not overlay_file_type:
return None # the overlay_file_type is not of the expected type
elif isinstance(overlay, str):
# reached when the overlay is provided via the interactive menu
overlay = overlay.split(',')
overlay = list(map(lambda x: x.strip().lower(), overlay))
else: # reached when the groups are provided via CLI arguments
overlay = list(map(lambda x: x.strip().lower(), overlay))
else:
overlay = []
# load the techniques (visibility or detection) from the YAML file
all_techniques = None
if overlay_file_type == FILE_TYPE_TECHNIQUE_ADMINISTRATION:
# filter out visibility and/or detection objects using EQL
if search_detection or search_visibility:
overlay = techniques_search(
overlay,
search_visibility,
search_detection,
include_all_score_objs=include_all_score_objs)
if not overlay:
return None # something went wrong in executing the search or 0 results where returned
if overlay_type == OVERLAY_TYPE_VISIBILITY:
overlay_dict, all_techniques = _get_visibility_techniques(overlay)
elif overlay_type == OVERLAY_TYPE_DETECTION:
overlay_dict, all_techniques = _get_detection_techniques(overlay)
# we are not overlaying visibility or detection, overlay group will therefore contain information on another group
elif len(overlay) > 0:
overlay_dict = _get_group_techniques(overlay, platform,
overlay_file_type)
if overlay_dict == -1:
return None # returns None when the provided Group(s) to be overlaid, contains Groups not part of ATT&CK
groups_dict = _get_group_techniques(groups, platform, groups_file_type)
if groups_dict == -1:
return None # returns None when the provided Group contains Groups not part of ATT&CK
if len(groups_dict) == 0:
print('[!] Empty layer.'
) # the provided groups dit not result in any techniques
return None
# check if we are doing a software group overlay
if software_groups and overlay:
if overlay_type not in [
OVERLAY_TYPE_VISIBILITY, OVERLAY_TYPE_DETECTION
]:
# if a group overlay is provided, get the software techniques for the overlay
groups_software_dict = _get_software_techniques(overlay, platform)
elif software_groups:
groups_software_dict = _get_software_techniques(groups, platform)
technique_count, max_count = _get_technique_count(groups_dict,
overlay_dict,
groups_software_dict,
overlay_type,
all_techniques)
technique_layer = _get_technique_layer(technique_count, groups_dict,
overlay_dict, groups_software_dict,
overlay_file_type, overlay_type,
all_techniques)
# make a list group names for the involved groups.
if groups == ['all']:
groups_list = ['all']
else:
groups_list = _get_group_list(groups_dict, groups_file_type)
overlay_list = _get_group_list(overlay_dict, overlay_file_type)
desc = 'stage: attack | platform(s): ' + platform_to_name(platform, separator=', ') + ' | group(s): ' \
+ ', '.join(groups_list) + ' | overlay group(s): ' + ', '.join(overlay_list)
if not layer_name:
layer_name = 'Attack - ' + platform_to_name(platform, separator=', ')
layer = get_layer_template_groups(layer_name, max_count, desc, platform,
overlay_type)
layer['techniques'] = technique_layer
json_string = simplejson.dumps(layer).replace('}, ', '},\n')
if not output_filename:
if overlay:
filename = platform_to_name(platform) + '_' + '_'.join(
groups_list) + '-overlay_' + '_'.join(overlay_list)
else:
filename = platform_to_name(platform) + '_' + '_'.join(groups_list)
filename = create_output_filename('attack', filename)
write_file(filename, json_string)
else:
write_file(output_filename, json_string)
