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fix: [joe parser] Some clean-up on the Joe parser

pull/560/head
chrisr3d 2022-03-07 17:53:43 +01:00
parent db902275b3
commit cba06ab372
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3 changed files with 386 additions and 134 deletions
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1
misp_modules/lib/__init__.py
View File

@ -1,3 +1,4 @@
import joe_mapping
from .vt_graph_parser import * # noqa
all = ['joe_parser', 'lastline_api', 'cof2misp', 'qintel_helper']

114
misp_modules/lib/joe_mapping.py Normal file
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@ -0,0 +1,114 @@
arch_type_mapping = {
'ANDROID': 'parse_apk',
'LINUX': 'parse_elf',
'WINDOWS': 'parse_pe'
}
domain_object_mapping = {
'@ip': {'type': 'ip-dst', 'object_relation': 'ip'},
'@name': {'type': 'domain', 'object_relation': 'domain'}
}
dropped_file_mapping = {
'@entropy': {'type': 'float', 'object_relation': 'entropy'},
'@file': {'type': 'filename', 'object_relation': 'filename'},
'@size': {'type': 'size-in-bytes', 'object_relation': 'size-in-bytes'},
'@type': {'type': 'mime-type', 'object_relation': 'mimetype'}
}
dropped_hash_mapping = {
'MD5': 'md5',
'SHA': 'sha1',
'SHA-256': 'sha256',
'SHA-512': 'sha512'
}
elf_object_mapping = {
'epaddr': 'entrypoint-address',
'machine': 'arch',
'osabi': 'os_abi'
}
elf_section_flags_mapping = {
'A': 'ALLOC',
'I': 'INFO_LINK',
'M': 'MERGE',
'S': 'STRINGS',
'T': 'TLS',
'W': 'WRITE',
'X': 'EXECINSTR'
}
file_object_fields = (
'filename',
'md5',
'sha1',
'sha256',
'sha512',
'ssdeep'
)
file_object_mapping = {
'entropy': {'type': 'float', 'object_relation': 'entropy'},
'filesize': {'type': 'size-in-bytes', 'object_relation': 'size-in-bytes'},
'filetype': {'type': 'mime-type', 'object_relation': 'mimetype'}
}
file_references_mapping = {
'fileCreated': 'creates',
'fileDeleted': 'deletes',
'fileMoved': 'moves',
'fileRead': 'reads',
'fileWritten': 'writes'
}
network_behavior_fields = ('srcip', 'dstip', 'srcport', 'dstport')
network_connection_object_mapping = {
'srcip': {'type': 'ip-src', 'object_relation': 'ip-src'},
'dstip': {'type': 'ip-dst', 'object_relation': 'ip-dst'},
'srcport': {'type': 'port', 'object_relation': 'src-port'},
'dstport': {'type': 'port', 'object_relation': 'dst-port'}
}
pe_object_fields = {
'entrypoint': {'type': 'text', 'object_relation': 'entrypoint-address'},
'imphash': {'type': 'imphash', 'object_relation': 'imphash'}
}
pe_object_mapping = {
'CompanyName': 'company-name',
'FileDescription': 'file-description',
'FileVersion': 'file-version',
'InternalName': 'internal-filename',
'LegalCopyright': 'legal-copyright',
'OriginalFilename': 'original-filename',
'ProductName': 'product-filename',
'ProductVersion': 'product-version',
'Translation': 'lang-id'
}
pe_section_object_mapping = {
'characteristics': {'type': 'text', 'object_relation': 'characteristic'},
'entropy': {'type': 'float', 'object_relation': 'entropy'},
'name': {'type': 'text', 'object_relation': 'name'},
'rawaddr': {'type': 'hex', 'object_relation': 'offset'},
'rawsize': {'type': 'size-in-bytes', 'object_relation': 'size-in-bytes'},
'virtaddr': {'type': 'hex', 'object_relation': 'virtual_address'},
'virtsize': {'type': 'size-in-bytes', 'object_relation': 'virtual_size'}
}
process_object_fields = {
'cmdline': 'command-line',
'name': 'name',
'parentpid': 'parent-pid',
'pid': 'pid',
'path': 'current-directory'
}
protocols = {
'tcp': 4,
'udp': 4,
'icmp': 3,
'http': 7,
'https': 7,
'ftp': 7
}
registry_references_mapping = {
'keyValueCreated': 'creates',
'keyValueModified': 'modifies'
}
regkey_object_mapping = {
'name': {'type': 'text', 'object_relation': 'name'},
'newdata': {'type': 'text', 'object_relation': 'data'},
'path': {'type': 'regkey', 'object_relation': 'key'}
}
signerinfo_object_mapping = {
'sigissuer': {'type': 'text', 'object_relation': 'issuer'},
'version': {'type': 'text', 'object_relation': 'version'}
}

405
misp_modules/lib/joe_parser.py
View File

@ -1,53 +1,15 @@
# -*- coding: utf-8 -*-
import json
from collections import defaultdict
from datetime import datetime
from pymisp import MISPAttribute, MISPEvent, MISPObject
import json
arch_type_mapping = {'ANDROID': 'parse_apk', 'LINUX': 'parse_elf', 'WINDOWS': 'parse_pe'}
domain_object_mapping = {'@ip': ('ip-dst', 'ip'), '@name': ('domain', 'domain')}
dropped_file_mapping = {'@entropy': ('float', 'entropy'),
'@file': ('filename', 'filename'),
'@size': ('size-in-bytes', 'size-in-bytes'),
'@type': ('mime-type', 'mimetype')}
dropped_hash_mapping = {'MD5': 'md5', 'SHA': 'sha1', 'SHA-256': 'sha256', 'SHA-512': 'sha512'}
elf_object_mapping = {'epaddr': 'entrypoint-address', 'machine': 'arch', 'osabi': 'os_abi'}
elf_section_flags_mapping = {'A': 'ALLOC', 'I': 'INFO_LINK', 'M': 'MERGE',
'S': 'STRINGS', 'T': 'TLS', 'W': 'WRITE',
'X': 'EXECINSTR'}
file_object_fields = ['filename', 'md5', 'sha1', 'sha256', 'sha512', 'ssdeep']
file_object_mapping = {'entropy': ('float', 'entropy'),
'filesize': ('size-in-bytes', 'size-in-bytes'),
'filetype': ('mime-type', 'mimetype')}
file_references_mapping = {'fileCreated': 'creates', 'fileDeleted': 'deletes',
'fileMoved': 'moves', 'fileRead': 'reads', 'fileWritten': 'writes'}
network_behavior_fields = ('srcip', 'dstip', 'srcport', 'dstport')
network_connection_object_mapping = {'srcip': ('ip-src', 'ip-src'), 'dstip': ('ip-dst', 'ip-dst'),
'srcport': ('port', 'src-port'), 'dstport': ('port', 'dst-port')}
pe_object_fields = {'entrypoint': ('text', 'entrypoint-address'),
'imphash': ('imphash', 'imphash')}
pe_object_mapping = {'CompanyName': 'company-name', 'FileDescription': 'file-description',
'FileVersion': 'file-version', 'InternalName': 'internal-filename',
'LegalCopyright': 'legal-copyright', 'OriginalFilename': 'original-filename',
'ProductName': 'product-filename', 'ProductVersion': 'product-version',
'Translation': 'lang-id'}
pe_section_object_mapping = {'characteristics': ('text', 'characteristic'),
'entropy': ('float', 'entropy'),
'name': ('text', 'name'), 'rawaddr': ('hex', 'offset'),
'rawsize': ('size-in-bytes', 'size-in-bytes'),
'virtaddr': ('hex', 'virtual_address'),
'virtsize': ('size-in-bytes', 'virtual_size')}
process_object_fields = {'cmdline': 'command-line', 'name': 'name',
'parentpid': 'parent-pid', 'pid': 'pid',
'path': 'current-directory'}
protocols = {'tcp': 4, 'udp': 4, 'icmp': 3,
'http': 7, 'https': 7, 'ftp': 7}
registry_references_mapping = {'keyValueCreated': 'creates', 'keyValueModified': 'modifies'}
regkey_object_mapping = {'name': ('text', 'name'), 'newdata': ('text', 'data'),
'path': ('regkey', 'key')}
signerinfo_object_mapping = {'sigissuer': ('text', 'issuer'),
'version': ('text', 'version')}
from joe_mapping import (arch_type_mapping, domain_object_mapping,
dropped_file_mapping, dropped_hash_mapping, elf_object_mapping,
elf_section_flags_mapping, file_object_fields, file_object_mapping,
file_references_mapping, network_behavior_fields,
network_connection_object_mapping, pe_object_fields, pe_object_mapping,
pe_section_object_mapping, process_object_fields, protocols,
registry_references_mapping, regkey_object_mapping, signerinfo_object_mapping)
class JoeParser():
@ -57,7 +19,7 @@ class JoeParser():
self.attributes = defaultdict(lambda: defaultdict(set))
self.process_references = {}
self.import_pe = config["import_pe"]
self.import_executable = config["import_executable"]
self.create_mitre_attack = config["mitre_attack"]
def parse_data(self, data):
@ -101,26 +63,46 @@ class JoeParser():
for droppedfile in droppedinfo['hash']:
file_object = MISPObject('file')
for key, mapping in dropped_file_mapping.items():
attribute_type, object_relation = mapping
file_object.add_attribute(object_relation, **{'type': attribute_type, 'value': droppedfile[key], 'to_ids': False})
if droppedfile.get(key) is not None:
attribute = {'value': droppedfile[key], 'to_ids': False}
attribute.update(mapping)
file_object.add_attribute(**attribute)
if droppedfile['@malicious'] == 'true':
file_object.add_attribute('state', **{'type': 'text', 'value': 'Malicious', 'to_ids': False})
file_object.add_attribute(
**{
'type': 'text',
'object_relation': 'state',
'value': 'Malicious',
'to_ids': False
}
)
for h in droppedfile['value']:
hash_type = dropped_hash_mapping[h['@algo']]
file_object.add_attribute(hash_type, **{'type': hash_type, 'value': h['$'], 'to_ids': False})
self.misp_event.add_object(**file_object)
self.references[self.process_references[(int(droppedfile['@targetid']), droppedfile['@process'])]].append({
'referenced_uuid': file_object.uuid,
'relationship_type': 'drops'
})
file_object.add_attribute(
**{
'type': hash_type,
'object_relation': hash_type,
'value': h['$'],
'to_ids': False
}
)
self.misp_event.add_object(file_object)
reference_key = (int(droppedfile['@targetid']), droppedfile['@process'])
if reference_key in self.process_references:
self.references[self.process_references[reference_key]].append(
{
'referenced_uuid': file_object.uuid,
'relationship_type': 'drops'
}
)
def parse_mitre_attack(self):
mitreattack = self.data['mitreattack']
mitreattack = self.data.get('mitreattack', {})
if mitreattack:
for tactic in mitreattack['tactic']:
if tactic.get('technique'):
for technique in tactic['technique']:
self.misp_event.add_tag('misp-galaxy:mitre-attack-pattern="{} - {}"'.format(technique['name'], technique['id']))
self.misp_event.add_tag(f'misp-galaxy:mitre-attack-pattern="{technique["name"]} - {technique["id"]}"')
def parse_network_behavior(self):
network = self.data['behavior']['network']
@ -134,37 +116,65 @@ class JoeParser():
attributes = self.prefetch_attributes_data(connection)
if len(data.keys()) == len(set(protocols[protocol] for protocol in data.keys())):
network_connection_object = MISPObject('network-connection')
for object_relation, attribute in attributes.items():
network_connection_object.add_attribute(object_relation, **attribute)
network_connection_object.add_attribute('first-packet-seen',
**{'type': 'datetime',
'value': min(tuple(min(timestamp) for timestamp in data.values())),
'to_ids': False})
for attribute in attributes:
network_connection_object.add_attribute(**attribute)
network_connection_object.add_attribute(
**{
'type': 'datetime',
'object_relation': 'first-packet-seen',
'value': min(tuple(min(timestamp) for timestamp in data.values())),
'to_ids': False
}
)
for protocol in data.keys():
network_connection_object.add_attribute('layer{}-protocol'.format(protocols[protocol]),
**{'type': 'text', 'value': protocol, 'to_ids': False})
self.misp_event.add_object(**network_connection_object)
network_connection_object.add_attribute(
**{
'type': 'text',
'object_relation': f'layer{protocols[protocol]}-protocol',
'value': protocol,
'to_ids': False
}
)
self.misp_event.add_object(network_connection_object)
self.references[self.analysisinfo_uuid].append(dict(referenced_uuid=network_connection_object.uuid,
relationship_type='initiates'))
else:
for protocol, timestamps in data.items():
network_connection_object = MISPObject('network-connection')
for object_relation, attribute in attributes.items():
network_connection_object.add_attribute(object_relation, **attribute)
network_connection_object.add_attribute('first-packet-seen', **{'type': 'datetime', 'value': min(timestamps), 'to_ids': False})
network_connection_object.add_attribute('layer{}-protocol'.format(protocols[protocol]), **{'type': 'text', 'value': protocol, 'to_ids': False})
self.misp_event.add_object(**network_connection_object)
for attribute in attributes:
network_connection_object.add_attribute(**attribute)
network_connection_object.add_attribute(
**{
'type': 'datetime',
'object_relation': 'first-packet-seen',
'value': min(timestamps),
'to_ids': False
}
)
network_connection_object.add_attribute(
**{
'type': 'text',
'object_relation': f'layer{protocols[protocol]}-protocol',
'value': protocol,
'to_ids': False
}
)
self.misp_event.add_object(network_connection_object)
self.references[self.analysisinfo_uuid].append(dict(referenced_uuid=network_connection_object.uuid,
relationship_type='initiates'))
def parse_screenshot(self):
screenshotdata = self.data['behavior']['screenshotdata']
if screenshotdata:
screenshotdata = screenshotdata['interesting']['$']
attribute = {'type': 'attachment', 'value': 'screenshot.jpg',
'data': screenshotdata, 'disable_correlation': True,
'to_ids': False}
self.misp_event.add_attribute(**attribute)
if self.data['behavior'].get('screenshotdata', {}).get('interesting') is not None:
screenshotdata = self.data['behavior']['screenshotdata']['interesting']['$']
self.misp_event.add_attribute(
**{
'type': 'attachment',
'value': 'screenshot.jpg',
'data': screenshotdata,
'disable_correlation': True,
'to_ids': False
}
)
def parse_system_behavior(self):
if not 'system' in self.data['behavior']:
@ -177,10 +187,24 @@ class JoeParser():
general = process['general']
process_object = MISPObject('process')
for feature, relation in process_object_fields.items():
process_object.add_attribute(relation, **{'type': 'text', 'value': general[feature], 'to_ids': False})
start_time = datetime.strptime('{} {}'.format(general['date'], general['time']), '%d/%m/%Y %H:%M:%S')
process_object.add_attribute('start-time', **{'type': 'datetime', 'value': start_time, 'to_ids': False})
self.misp_event.add_object(**process_object)
process_object.add_attribute(
**{
'type': 'text',
'object_relation': relation,
'value': general[feature],
'to_ids': False
}
)
start_time = datetime.strptime(f"{general['date']} {general['time']}", '%d/%m/%Y %H:%M:%S')
process_object.add_attribute(
**{
'type': 'datetime',
'object_relation': 'start-time',
'value': start_time,
'to_ids': False
}
)
self.misp_event.add_object(process_object)
for field, to_call in process_activities.items():
if process.get(field):
to_call(process_object.uuid, process[field])
@ -213,9 +237,15 @@ class JoeParser():
url_object = MISPObject("url")
self.analysisinfo_uuid = url_object.uuid
url_object.add_attribute("url", generalinfo["target"]["url"], to_ids=False)
self.misp_event.add_object(**url_object)
url_object.add_attribute(
**{
'type': 'url',
'object_relation': 'url',
'value': generalinfo["target"]["url"],
'to_ids': False
}
)
self.misp_event.add_object(url_object)
def parse_fileinfo(self):
fileinfo = self.data['fileinfo']
@ -224,20 +254,29 @@ class JoeParser():
self.analysisinfo_uuid = file_object.uuid
for field in file_object_fields:
file_object.add_attribute(field, **{'type': field, 'value': fileinfo[field], 'to_ids': False})
file_object.add_attribute(
**{
'type': field,
'object_relation': field,
'value': fileinfo[field],
'to_ids': False
}
)
for field, mapping in file_object_mapping.items():
attribute_type, object_relation = mapping
file_object.add_attribute(object_relation, **{'type': attribute_type, 'value': fileinfo[field], 'to_ids': False})
if fileinfo.get(field) is not None:
attribute = {'value': fileinfo[field], 'to_ids': False}
attribute.update(mapping)
file_object.add_attribute(**attribute)
arch = self.data['generalinfo']['arch']
if arch in arch_type_mapping:
if self.import_executable and arch in arch_type_mapping:
to_call = arch_type_mapping[arch]
getattr(self, to_call)(fileinfo, file_object)
else:
self.misp_event.add_object(**file_object)
self.misp_event.add_object(file_object)
def parse_apk(self, fileinfo, file_object):
apkinfo = fileinfo['apk']
self.misp_event.add_object(**file_object)
self.misp_event.add_object(file_object)
permission_lists = defaultdict(list)
for permission in apkinfo['requiredpermissions']['permission']:
permission = permission['@name'].split('.')
@ -245,16 +284,30 @@ class JoeParser():
attribute_type = 'text'
for comment, permissions in permission_lists.items():
permission_object = MISPObject('android-permission')
permission_object.add_attribute('comment', **dict(type=attribute_type, value=comment, to_ids=False))
permission_object.add_attribute(
**{
'type': attribute_type,
'object_relation': 'comment',
'value': comment,
'to_ids': False
}
)
for permission in permissions:
permission_object.add_attribute('permission', **dict(type=attribute_type, value=permission, to_ids=False))
self.misp_event.add_object(**permission_object)
permission_object.add_attribute(
**{
'type': attribute_type,
'object_relation': 'permission',
'value': permission,
'to_ids': False
}
)
self.misp_event.add_object(permission_object)
self.references[file_object.uuid].append(dict(referenced_uuid=permission_object.uuid,
relationship_type='grants'))
def parse_elf(self, fileinfo, file_object):
elfinfo = fileinfo['elf']
self.misp_event.add_object(**file_object)
self.misp_event.add_object(file_object)
attribute_type = 'text'
relationship = 'includes'
size = 'size-in-bytes'
@ -266,47 +319,96 @@ class JoeParser():
if elf.get('type'):
# Haven't seen anything but EXEC yet in the files I tested
attribute_value = "EXECUTABLE" if elf['type'] == "EXEC (Executable file)" else elf['type']
elf_object.add_attribute('type', **dict(type=attribute_type, value=attribute_value, to_ids=False))
elf_object.add_attribute(
**{
'type': attribute_type,
'object_relation': 'type',
'value': attribute_value,
'to_ids': False
}
)
for feature, relation in elf_object_mapping.items():
if elf.get(feature):
elf_object.add_attribute(relation, **dict(type=attribute_type, value=elf[feature], to_ids=False))
elf_object.add_attribute(
**{
'type': attribute_type,
'object_relation': relation,
'value': elf[feature],
'to_ids': False
}
)
sections_number = len(fileinfo['sections']['section'])
elf_object.add_attribute('number-sections', **{'type': 'counter', 'value': sections_number, 'to_ids': False})
self.misp_event.add_object(**elf_object)
elf_object.add_attribute(
**{
'type': 'counter',
'object_relation': 'number-sections',
'value': sections_number,
'to_ids': False
}
)
self.misp_event.add_object(elf_object)
for section in fileinfo['sections']['section']:
section_object = MISPObject('elf-section')
for feature in ('name', 'type'):
if section.get(feature):
section_object.add_attribute(feature, **dict(type=attribute_type, value=section[feature], to_ids=False))
section_object.add_attribute(
**{
'type': attribute_type,
'object_relation': feature,
'value': section[feature],
'to_ids': False
}
)
if section.get('size'):
section_object.add_attribute(size, **dict(type=size, value=int(section['size'], 16), to_ids=False))
section_object.add_attribute(
**{
'type': size,
'object_relation': size,
'value': int(section['size'], 16),
'to_ids': False
}
)
for flag in section['flagsdesc']:
try:
attribute_value = elf_section_flags_mapping[flag]
section_object.add_attribute('flag', **dict(type=attribute_type, value=attribute_value, to_ids=False))
section_object.add_attribute(
**{
'type': attribute_type,
'object_relation': 'flag',
'value': attribute_value,
'to_ids': False
}
)
except KeyError:
print(f'Unknown elf section flag: {flag}')
continue
self.misp_event.add_object(**section_object)
self.misp_event.add_object(section_object)
self.references[elf_object.uuid].append(dict(referenced_uuid=section_object.uuid,
relationship_type=relationship))
def parse_pe(self, fileinfo, file_object):
if not self.import_pe:
return
try:
peinfo = fileinfo['pe']
except KeyError:
self.misp_event.add_object(**file_object)
self.misp_event.add_object(file_object)
return
pe_object = MISPObject('pe')
relationship = 'includes'
file_object.add_reference(pe_object.uuid, relationship)
self.misp_event.add_object(**file_object)
self.misp_event.add_object(file_object)
for field, mapping in pe_object_fields.items():
attribute_type, object_relation = mapping
pe_object.add_attribute(object_relation, **{'type': attribute_type, 'value': peinfo[field], 'to_ids': False})
pe_object.add_attribute('compilation-timestamp', **{'type': 'datetime', 'value': int(peinfo['timestamp'].split()[0], 16), 'to_ids': False})
if peinfo.get(field) is not None:
attribute = {'value': peinfo[field], 'to_ids': False}
attribute.update(mapping)
pe_object.add_attribute(**attribute)
pe_object.add_attribute(
**{
'type': 'datetime',
'object_relation': 'compilation-timestamp',
'value': int(peinfo['timestamp'].split()[0], 16),
'to_ids': False
}
)
program_name = fileinfo['filename']
if peinfo['versions']:
for feature in peinfo['versions']['version']:
@ -314,33 +416,57 @@ class JoeParser():
if name == 'InternalName':
program_name = feature['value']
if name in pe_object_mapping:
pe_object.add_attribute(pe_object_mapping[name], **{'type': 'text', 'value': feature['value'], 'to_ids': False})
pe_object.add_attribute(
**{
'type': 'text',
'object_relation': pe_object_mapping[name],
'value': feature['value'],
'to_ids': False
}
)
sections_number = len(peinfo['sections']['section'])
pe_object.add_attribute('number-sections', **{'type': 'counter', 'value': sections_number, 'to_ids': False})
pe_object.add_attribute(
**{
'type': 'counter',
'object_relation': 'number-sections',
'value': sections_number,
'to_ids': False
}
)
signatureinfo = peinfo['signature']
if signatureinfo['signed']:
signerinfo_object = MISPObject('authenticode-signerinfo')
pe_object.add_reference(signerinfo_object.uuid, 'signed-by')
self.misp_event.add_object(**pe_object)
signerinfo_object.add_attribute('program-name', **{'type': 'text', 'value': program_name, 'to_ids': False})
self.misp_event.add_object(pe_object)
signerinfo_object.add_attribute(
**{
'type': 'text',
'object_relation': 'program-name',
'value': program_name,
'to_ids': False
}
)
for feature, mapping in signerinfo_object_mapping.items():
attribute_type, object_relation = mapping
signerinfo_object.add_attribute(object_relation, **{'type': attribute_type, 'value': signatureinfo[feature], 'to_ids': False})
self.misp_event.add_object(**signerinfo_object)
if signatureinfo.get(feature) is not None:
attribute = {'value': signatureinfo[feature], 'to_ids': False}
attribute.update(mapping)
signerinfo_object.add_attribute(**attribute)
self.misp_event.add_object(signerinfo_object)
else:
self.misp_event.add_object(**pe_object)
self.misp_event.add_object(pe_object)
for section in peinfo['sections']['section']:
section_object = self.parse_pe_section(section)
self.references[pe_object.uuid].append(dict(referenced_uuid=section_object.uuid,
relationship_type=relationship))
self.misp_event.add_object(**section_object)
self.misp_event.add_object(section_object)
def parse_pe_section(self, section):
section_object = MISPObject('pe-section')
for feature, mapping in pe_section_object_mapping.items():
if section.get(feature):
attribute_type, object_relation = mapping
section_object.add_attribute(object_relation, **{'type': attribute_type, 'value': section[feature], 'to_ids': False})
if section.get(feature) is not None:
attribute = {'value': section[feature], 'to_ids': False}
attribute.update(mapping)
section_object.add_attribute(**attribute)
return section_object
def parse_network_interactions(self):
@ -350,10 +476,11 @@ class JoeParser():
if domain['@ip'] != 'unknown':
domain_object = MISPObject('domain-ip')
for key, mapping in domain_object_mapping.items():
attribute_type, object_relation = mapping
domain_object.add_attribute(object_relation,
**{'type': attribute_type, 'value': domain[key], 'to_ids': False})
self.misp_event.add_object(**domain_object)
if domain.get(key) is not None:
attribute = {'value': domain[key], 'to_ids': False}
attribute.update(mapping)
domain_object.add_attribute(**attribute)
self.misp_event.add_object(domain_object)
reference = dict(referenced_uuid=domain_object.uuid, relationship_type='contacts')
self.add_process_reference(domain['@targetid'], domain['@currentpath'], reference)
else:
@ -396,10 +523,19 @@ class JoeParser():
for call in registryactivities[feature]['call']:
registry_key = MISPObject('registry-key')
for field, mapping in regkey_object_mapping.items():
attribute_type, object_relation = mapping
registry_key.add_attribute(object_relation, **{'type': attribute_type, 'value': call[field], 'to_ids': False})
registry_key.add_attribute('data-type', **{'type': 'text', 'value': 'REG_{}'.format(call['type'].upper()), 'to_ids': False})
self.misp_event.add_object(**registry_key)
if call.get(field) is not None:
attribute = {'value': call[field], 'to_ids': False}
attribute.update(mapping)
registry_key.add_attribute(**attribute)
registry_key.add_attribute(
**{
'type': 'text',
'object_relation': 'data-type',
'value': f"REG_{call['type'].upper()}",
'to_ids': False
}
)
self.misp_event.add_object(registry_key)
self.references[process_uuid].append(dict(referenced_uuid=registry_key.uuid,
relationship_type=relationship))
@ -429,8 +565,9 @@ class JoeParser():
@staticmethod
def prefetch_attributes_data(connection):
attributes = {}
attributes = []
for field, value in zip(network_behavior_fields, connection):
attribute_type, object_relation = network_connection_object_mapping[field]
attributes[object_relation] = {'type': attribute_type, 'value': value, 'to_ids': False}
attribute = {'value': value, 'to_ids': False}
attribute.update(network_connection_object_mapping[field])
attributes.append(attribute)
return attributes