def capecbuild(capecid):
"""Build a STIX package based on a CAPEC ID."""
data = _get_attack(capecid)
if data:
try:
from stix.utils import set_id_namespace
namespace = {NS: NS_PREFIX}
set_id_namespace(namespace)
except ImportError:
from mixbox.idgen import set_id_namespace
from mixbox.namespaces import Namespace
namespace = Namespace(NS, NS_PREFIX, "")
set_id_namespace(namespace)
pkg = STIXPackage()
pkg.stix_header = STIXHeader()
pkg = STIXPackage()
pkg.stix_header = STIXHeader()
pkg.stix_header.handling = _marking()
ttp = _buildttp(data)
if data['related_attacks']:
ttp.related_ttps.append(
_buildttp(_get_attack(str(data['related_attacks'][0]))))
pkg.add_ttp(ttp)
xml = pkg.to_xml()
title = pkg.id_.split(':', 1)[-1]
if __name__ == '__main__':
_postconstruct(xml, title)
return xml
def cvebuild(var):
"""Search for a CVE ID and return a STIX formatted response."""
cve = CVESearch()
data = json.loads(cve.id(var))
if data:
try:
from stix.utils import set_id_namespace
namespace = {NS: NS_PREFIX}
set_id_namespace(namespace)
except ImportError:
from mixbox.idgen import set_id_namespace
from mixbox.namespaces import Namespace
namespace = Namespace(NS, NS_PREFIX, "")
set_id_namespace(namespace)
pkg = STIXPackage()
pkg.stix_header = STIXHeader()
pkg = STIXPackage()
pkg.stix_header = STIXHeader()
pkg.stix_header.handling = _marking()
# Define the exploit target
expt = ExploitTarget()
expt.title = data['id']
expt.description = data['summary']
expt.information_source = InformationSource(
identity=Identity(name="National Vulnerability Database"))
# Add the vulnerability object to the package object
expt.add_vulnerability(_vulnbuild(data))
# Add the COA object to the ET object
for coa in COAS:
expt.potential_coas.append(
CourseOfAction(
idref=coa['id'],
timestamp=expt.timestamp))
# Do some TTP stuff with CAPEC objects
if TTPON is True:
try:
for i in data['capec']:
pkg.add_ttp(_buildttp(i, expt))
except KeyError:
pass
expt.add_weakness(_weakbuild(data))
# Add the exploit target to the package object
pkg.add_exploit_target(expt)
xml = pkg.to_xml()
title = pkg.id_.split(':', 1)[-1]
# If the function is not imported then output the xml to a file.
if __name__ == '__main__':
_postconstruct(xml, title)
return xml
else:
sys.exit("[-] Error retrieving details for " + var)
def main():
alpha_package = STIXPackage()
alpha_package.stix_header = STIXHeader()
alpha_package.stix_header.title = "Report on Adversary Alpha's Campaign against the Industrial Control Sector"
alpha_package.stix_header.package_intents = "Campaign Characterization"
alpha_package.stix_header.handling = Marking()
alpha_marking = MarkingSpecification()
alpha_marking.controlled_structure = "../../../../node()"
alpha_tlp_marking = TLPMarkingStructure()
alpha_tlp_marking.color = "AMBER"
alpha_marking.marking_structures.append(alpha_tlp_marking)
alpha_package.stix_header.handling.add_marking(alpha_marking)
rat_package = STIXPackage()
rat_package.stix_header = STIXHeader()
rat_package.stix_header.title = "Indicators for Malware DrownedRat"
rat_package.stix_header.package_intents = "Indicators - Malware Artifacts"
rat_package.stix_header.handling = Marking()
rat_marking = MarkingSpecification()
rat_marking.controlled_structure = "../../../../node()"
rat_tlp_marking = TLPMarkingStructure()
rat_tlp_marking.color = "RED"
alpha_marking.marking_structures.append(rat_tlp_marking)
rat_package.stix_header.handling.add_marking(rat_marking)
stix_package = STIXPackage()
info_src = InformationSource()
info_src.identity = Identity(name="Government Sharing Program - GSP")
stix_package.stix_header = STIXHeader(information_source=info_src)
stix_package.related_packages.append(alpha_package)
stix_package.related_packages.append(rat_package)
print stix_package.to_xml()
def capecbuild(capecid):
"""Build a STIX package based on a CAPEC ID."""
data = _get_attack(capecid)
if data:
try:
from stix.utils import set_id_namespace
namespace = {NS: NS_PREFIX}
set_id_namespace(namespace)
except ImportError:
from mixbox.idgen import set_id_namespace
from mixbox.namespaces import Namespace
namespace = Namespace(NS, NS_PREFIX, "")
set_id_namespace(namespace)
pkg = STIXPackage()
pkg.stix_header = STIXHeader()
pkg = STIXPackage()
pkg.stix_header = STIXHeader()
pkg.stix_header.handling = _marking()
ttp = _buildttp(data)
if data['related_attacks']:
ttp.related_ttps.append(
_buildttp(_get_attack(str(data['related_attacks'][0]))))
pkg.add_ttp(ttp)
xml = pkg.to_xml()
title = pkg.id_.split(':', 1)[-1]
if __name__ == '__main__':
_postconstruct(xml, title)
return xml
def cvebuild(var):
"""Search for a CVE ID and return a STIX formatted response."""
cve = CVESearch()
data = json.loads(cve.id(var))
if data:
try:
from stix.utils import set_id_namespace
namespace = {NS: NS_PREFIX}
set_id_namespace(namespace)
except ImportError:
from mixbox.idgen import set_id_namespace
from mixbox.namespaces import Namespace
namespace = Namespace(NS, NS_PREFIX, "")
set_id_namespace(namespace)
pkg = STIXPackage()
pkg.stix_header = STIXHeader()
pkg = STIXPackage()
pkg.stix_header = STIXHeader()
pkg.stix_header.handling = _marking()
# Define the exploit target
expt = ExploitTarget()
expt.title = data['id']
expt.description = data['summary']
expt.information_source = InformationSource(identity=Identity(
name="National Vulnerability Database"))
# Add the vulnerability object to the package object
expt.add_vulnerability(_vulnbuild(data))
# Add the COA object to the ET object
for coa in COAS:
expt.potential_coas.append(
CourseOfAction(idref=coa['id'], timestamp=expt.timestamp))
# Do some TTP stuff with CAPEC objects
if TTPON is True:
try:
for i in data['capec']:
pkg.add_ttp(_buildttp(i, expt))
except KeyError:
pass
expt.add_weakness(_weakbuild(data))
# Add the exploit target to the package object
pkg.add_exploit_target(expt)
xml = pkg.to_xml()
title = pkg.id_.split(':', 1)[-1]
# If the function is not imported then output the xml to a file.
if __name__ == '__main__':
_postconstruct(xml, title)
return xml
else:
sys.exit("[-] Error retrieving details for " + var)
def cvebuild(var):
"""Search for a CVE ID and return a STIX formatted response."""
cve = CVESearch()
data = json.loads(cve.id(var))
if data:
try:
from stix.utils import set_id_namespace
namespace = {NS: NS_PREFIX}
set_id_namespace(namespace)
except ImportError:
from stix.utils import idgen
from mixbox.namespaces import Namespace
namespace = Namespace(NS, NS_PREFIX, "")
idgen.set_id_namespace(namespace)
pkg = STIXPackage()
pkg.stix_header = STIXHeader()
pkg = STIXPackage()
pkg.stix_header = STIXHeader()
pkg.stix_header.handling = marking()
# Define the exploit target
expt = ExploitTarget()
expt.title = data['id']
expt.description = data['summary']
# Add the vulnerability object to the package object
expt.add_vulnerability(vulnbuild(data))
# Do some TTP stuff with CAPEC objects
try:
for i in data['capec']:
ttp = TTP()
ttp.title = "CAPEC-" + str(i['id'])
ttp.description = i['summary']
ttp.exploit_targets.append(ExploitTarget(idref=expt.id_))
pkg.add_ttp(ttp)
except KeyError:
pass
# Do some weakness stuff
if data['cwe'] != 'Unknown':
weak = Weakness()
weak.cwe_id = data['cwe']
expt.add_weakness(weak)
# Add the exploit target to the package object
pkg.add_exploit_target(expt)
xml = pkg.to_xml()
# If the function is not imported then output the xml to a file.
if __name__ == '__main__':
title = pkg.id_.split(':', 1)[-1]
with open(title + ".xml", "w") as text_file:
text_file.write(xml)
return xml
def to_stix(infile):
"""Converts the `infile` OpenIOC xml document into a STIX Package.
Args:
infile: OpenIOC xml filename to translate
Returns:
stix.core.STIXPackage object
"""
observables = to_cybox(infile)
# Build Indicators from the Observable objects
indicators = [_observable_to_indicator_stix(o) for o in observables]
# Wrap the created Observables in a STIX Package/Indicator
stix_package = STIXPackage()
# Set the Indicators collection
stix_package.indicators = indicators
# Create and write the STIX Header. Warning: these fields have been
# deprecated in STIX v1.2!
stix_header = STIXHeader()
stix_header.package_intent = PackageIntent.TERM_INDICATORS_MALWARE_ARTIFACTS
stix_header.description = "CybOX-represented Indicators Translated from OpenIOC File"
stix_package.stix_header = stix_header
return stix_package
def main():
infilename = ''
outfilename = ''
#Get the command-line arguments
args = sys.argv[1:]
if len(args) < 4:
usage()
sys.exit(1)
for i in range(0,len(args)):
if args[i] == '-i':
infilename = args[i+1]
elif args[i] == '-o':
outfilename = args[i+1]
if os.path.isfile(infilename):
try:
# Perform the translation using the methods from the OpenIOC to CybOX Script
openioc_indicators = openioc.parse(infilename)
observables_obj = openioc_to_cybox.generate_cybox(openioc_indicators, infilename, True)
observables_cls = Observables.from_obj(observables_obj)
# Set the namespace to be used in the STIX Package
stix.utils.set_id_namespace({"https://github.com/STIXProject/openioc-to-stix":"openiocToSTIX"})
# Wrap the created Observables in a STIX Package/Indicator
stix_package = STIXPackage()
# Add the OpenIOC namespace
input_namespaces = {"http://openioc.org/":"openioc"}
stix_package.__input_namespaces__ = input_namespaces
for observable in observables_cls.observables:
indicator_dict = {}
producer_dict = {}
producer_dict['tools'] = [{'name':'OpenIOC to STIX Utility', 'version':str(__VERSION__)}]
indicator_dict['producer'] = producer_dict
indicator_dict['title'] = "CybOX-represented Indicator Created from OpenIOC File"
indicator = Indicator.from_dict(indicator_dict)
indicator.add_observable(observables_cls.observables[0])
stix_package.add_indicator(indicator)
# Create and write the STIX Header
stix_header = STIXHeader()
stix_header.package_intent = "Indicators - Malware Artifacts"
stix_header.description = "CybOX-represented Indicators Translated from OpenIOC File"
stix_package.stix_header = stix_header
# Write the generated STIX Package as XML to the output file
outfile = open(outfilename, 'w')
# Ignore any warnings - temporary fix for no schemaLocation w/ namespace
with warnings.catch_warnings():
warnings.simplefilter("ignore")
outfile.write(stix_package.to_xml())
warnings.resetwarnings()
outfile.flush()
outfile.close()
except Exception, err:
print('\nError: %s\n' % str(err))
traceback.print_exc()
def MISPtoSTIX(mispJSON):
"""
Function to convert from a MISP JSON to a STIX stix
:param mispJSON: A dict (json) containing a misp Event.
:returns stix: A STIX stix with as much of the original
data as we could convert.
"""
if isinstance(mispJSON, mispevent.MISPEvent):
misp_event = mispJSON
else:
misp_event = mispevent.MISPEvent()
misp_event.load(mispJSON)
# We should now have a proper MISP JSON loaded.
# Create a base stix
stix = STIXPackage()
# Create a header for the new stix
stix.stix_header = STIXHeader()
# Try to use the event title as the stix title
stix.stix_header.title = misp_event.info
# We're going to store our observables inside an indicator
indicator = Indicator()
# Go through each attribute and transfer what we can.
for one_attrib in misp_event.attributes:
# Build an attribute from the JSON. Is all nice.
buildSTIXAttribute.buildAttribute(one_attrib, stix, indicator)
stix.add_indicator(indicator)
return stix
def main():
campaign = Campaign(title="Campaign against ICS")
ttp = TTP(title="DrownedRat")
alpha_report = Report()
alpha_report.header = Header()
alpha_report.header.title = "Report on Adversary Alpha's Campaign against the Industrial Control Sector"
alpha_report.header.descriptions = "Adversary Alpha has a campaign against the ICS sector!"
alpha_report.header.intents = "Campaign Characterization"
alpha_report.add_campaign(Campaign(idref=campaign.id_))
rat_report = Report()
rat_report.header = Header()
rat_report.header.title = "Indicators for Malware DrownedRat"
rat_report.header.intents = "Indicators - Malware Artifacts"
rat_report.add_ttp(TTP(idref=ttp.id_))
wrapper = STIXPackage()
info_src = InformationSource()
info_src.identity = Identity(name="Government Sharing Program - GSP")
wrapper.stix_header = STIXHeader(information_source=info_src)
wrapper.add_report(alpha_report)
wrapper.add_report(rat_report)
wrapper.add_campaign(campaign)
wrapper.add_ttp(ttp)
print(wrapper.to_xml())
def _dostix(hashes):
'''This function creates a STIX packages containing hashes.'''
print("[+] Creating STIX Package")
title = SETTINGS['stix']['ind_title'] + " " + str(datetime.datetime.now())
_custom_namespace(SETTINGS['stix']['ns'], SETTINGS['stix']['ns_prefix'])
stix_package = STIXPackage()
stix_package.stix_header = STIXHeader()
stix_package.stix_header.title = title
stix_package.stix_header.handling = _marking()
try:
indicator = Indicator()
indicator.set_producer_identity(SETTINGS['stix']['producer'])
indicator.set_produced_time(indicator.timestamp)
indicator.set_received_time(indicator.timestamp)
indicator.add_kill_chain_phase(PHASE_DELIVERY)
indicator.confidence = "Low"
indicator.title = title
indicator.add_indicator_type("File Hash Watchlist")
indicator.description = SETTINGS['stix']['ind_desc']
try:
indicator.add_indicated_ttp(
TTP(idref=SETTINGS['indicated_ttp'],
timestamp=indicator.timestamp))
indicator.suggested_coas.append(
CourseOfAction(idref=SETTINGS['suggested_coa'],
timestamp=indicator.timestamp))
except KeyError:
pass
for info in hashes:
try:
file_name = info['filename']
file_object = File()
file_object.file_name = file_name
file_object.file_name.condition = "Equals"
file_object.file_extension = "." + file_name.split('.')[-1]
file_object.file_extension.condition = "Equals"
file_object.size_in_bytes = info['filesize']
file_object.size_in_bytes.condition = "Equals"
file_object.file_format = info['fileformat']
file_object.file_format.condition = "Equals"
file_object.add_hash(Hash(info['md5']))
file_object.add_hash(Hash(info['sha1']))
file_object.add_hash(Hash(info['sha256']))
file_object.add_hash(Hash(info['sha512']))
file_object.add_hash(Hash(info['ssdeep'], Hash.TYPE_SSDEEP))
for hashobj in file_object.hashes:
hashobj.simple_hash_value.condition = "Equals"
hashobj.type_.condition = "Equals"
file_obs = Observable(file_object)
file_obs.title = "File: " + file_name
indicator.add_observable(file_obs)
except TypeError:
pass
stix_package.add_indicator(indicator)
return stix_package
except KeyError:
pass
def main():
# Creamos el indicador con la información de la que disponemos
threatActor = ThreatActor()
threatActor.title = "Ip/Domain/Hostname"
threatActor.description = ("A threatActor commited with malicious tasks")
threatActor.information_source = ("Malshare")
threatActor.timestamp = ("01/05/2019")
threatActor.identity = ("106.113.123.197")
threatActor.types = ("eCrime Actor - Spam Service")
# Creamos el indicador con la información de la que disponemos
indicator = Indicator()
indicator.title = "Risk Score"
indicator.description = (
"An indicator containing the appropriate Risk Score")
indicator.set_produced_time("01/05/2019")
indicator.likely_impact = ("Risk Score: 2(Medium)")
# Creamos el reporte en STIX, con una brve descripción
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.description = "Feeds in STIX format with their Risk Scores"
stix_package.stix_header = stix_header
# Añadimos al reporte el indicador que hemos construido antes
stix_package.add(threatActor)
stix_package.add(indicator)
# Imprimimos el xml en pantalla
print(stix_package.to_xml())
def generateMainPackage(events):
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.title="Export from " + namespace[1] + " MISP"
stix_header.package_intents="Threat Report"
stix_package.stix_header = stix_header
return stix_package
def main(hash_value, title, description, confidence_value):
# Create a CyboX File Object
f = File()
# This automatically detects that it's an MD5 hash based on the length
f.add_hash(hash_value)
# Create an Indicator with the File Hash Object created above.
indicator = Indicator()
indicator.title = title
indicator.description = (description)
indicator.confidence = confidence_value
indicator.set_producer_identity("Information Security")
indicator.set_produced_time(utils.dates.now())
# Add The File Object to the Indicator. This will promote the CybOX Object
# to a CybOX Observable internally.
indicator.add_object(f)
# Create a STIX Package
stix_package = STIXPackage()
# Create the STIX Header and add a description.
stix_header = STIXHeader()
stix_header.description = description
stix_package.stix_header = stix_header
# Add our Indicator object. The add() method will inspect the input and
# append it to the `stix_package.indicators` collection.
stix_package.add(indicator)
# Print the XML!
with open('FileHash_indicator.xml', 'w') as the_file:
the_file.write(stix_package.to_xml().decode('utf-8'))
def main():
f = File()
f.add_hash("4EC0027BEF4D7E1786A04D021FA8A67F")
indicator = Indicator()
indicator.title = "File Hash Example"
indicator.description = "An indicator containing a File observable with an associated hash"
indicator.set_producer_identity("The MITRE Corporation")
indicator.set_produced_time(datetime.now(tzutc()))
indicator.add_object(f)
party_name = PartyName(name_lines=["Foo", "Bar"], person_names=["John Smith", "Jill Smith"], organisation_names=["Foo Inc.", "Bar Corp."])
ident_spec = STIXCIQIdentity3_0(party_name=party_name)
ident_spec.add_electronic_address_identifier("*****@*****.**")
ident_spec.add_free_text_line("Demonstrating Free Text!")
ident_spec.add_contact_number("555-555-5555")
ident_spec.add_contact_number("555-555-5556")
identity = CIQIdentity3_0Instance(specification=ident_spec)
indicator.set_producer_identity(identity)
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.description = "Example"
stix_package.stix_header = stix_header
stix_package.add_indicator(indicator)
xml = stix_package.to_xml()
print(xml)
def main():
# Create our CybOX Simple Hash Value
shv = Hash()
shv.simple_hash_value = "4EC0027BEF4D7E1786A04D021FA8A67F"
# Create a CybOX File Object and add the Hash we created above.
f = File()
h = Hash(shv, Hash.TYPE_MD5)
f.add_hash(h)
# Create the STIX Package
stix_package = STIXPackage()
# Create the STIX Header and add a description.
stix_header = STIXHeader()
stix_header.description = "Simple File Hash Observable Example"
stix_package.stix_header = stix_header
# Add the File Hash Observable to the STIX Package. The add() method will
# inspect the input and add it to the top-level stix_package.observables
# collection.
stix_package.add(f)
# Print the XML!
print(stix_package.to_xml())
def main():
campaign = Campaign(title="Campaign against ICS")
ttp = TTP(title="DrownedRat")
alpha_report = Report()
alpha_report.header = Header()
alpha_report.header.title = "Report on Adversary Alpha's Campaign against the Industrial Control Sector"
alpha_report.header.descriptions = "Adversary Alpha has a campaign against the ICS sector!"
alpha_report.header.intents = "Campaign Characterization"
alpha_report.add_campaign(Campaign(idref=campaign._id))
rat_report = Report()
rat_report.header = Header()
rat_report.header.title = "Indicators for Malware DrownedRat"
rat_report.header.intents = "Indicators - Malware Artifacts"
rat_report.add_ttp(TTP(idref=ttp._id))
wrapper = STIXPackage()
info_src = InformationSource()
info_src.identity = Identity(name="Government Sharing Program - GSP")
wrapper.stix_header = STIXHeader(information_source=info_src)
wrapper.add_report(alpha_report)
wrapper.add_report(rat_report)
wrapper.add_campaign(campaign)
wrapper.add_ttp(ttp)
print wrapper.to_xml()
def create_stix(self, event, user):
stix_package = STIXPackage()
stix_package.id_ = 'ce1sus:Event-{0}'.format(event.uuid)
stix_header = self.__map_stix_header(event)
stix_package.stix_header = stix_header
event_permissions = self.event_controller.get_event_user_permissions(
event, user)
# observables
if event.observables:
for observable in event.get_observables_for_permissions(
event_permissions, user):
cybox_obs = self.create_observable(observable,
event_permissions, user)
stix_package.add_observable(cybox_obs)
# indicators
if event.indicators:
indicators = event.get_indicators_for_permissions(
event_permissions, user)
else:
# generate indicators
indicators = self.indicator_controller.get_generic_indicators(
event, user)
for indicator in indicators:
stix_indicator = self.create_indicator(indicator,
event_permissions, user)
stix_package.add_indicator(stix_indicator)
return stix_package
def main():
# Create a new STIXPackage
stix_package = STIXPackage()
# Create a new STIXHeader
stix_header = STIXHeader()
# Add Information Source. This is where we will add the tool information.
stix_header.information_source = InformationSource()
# Create a ToolInformation object. Use the initialization parameters
# to set the tool and vendor names.
#
# Note: This is an instance of cybox.common.ToolInformation and NOT
# stix.common.ToolInformation.
tool = ToolInformation(tool_name="python-stix",
tool_vendor="The MITRE Corporation")
# Set the Information Source "tools" section to a
# cybox.common.ToolInformationList which contains our tool that we
# created above.
stix_header.information_source.tools = ToolInformationList(tool)
# Set the header description
stix_header.description = "Example"
# Set the STIXPackage header
stix_package.stix_header = stix_header
# Print the XML!
print(stix_package.to_xml())
# Print the dictionary!
pprint(stix_package.to_dict())
def main(args):
if len(args) < 4:
sys.exit("Invalid parameters")
baseURL = args[1]
if not baseURL:
baseURL = 'https://www.misp-project.org'
orgname = args[2]
orgname = re.sub('[\W]+', '', orgname.replace(" ", "_"))
NS_DICT[baseURL] = orgname
try:
idgen.set_id_namespace(Namespace(baseURL, orgname))
except TypeError:
idgen.set_id_namespace(Namespace(baseURL, orgname, "MISP"))
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.title = "Export from {} MISP".format(args[2])
stix_header.package_intents = "Threat Report"
stix_package.stix_header = stix_header
stix_package.version = "1.1.1"
stix_package.timestamp = datetime.datetime.now()
if args[3] == 'json':
stix_string = stix_package.to_json()[:-1]
stix_string += ', "related_packages": ['
else:
stix_string = stix_package.to_xml(auto_namespace=False,
ns_dict=NS_DICT,
schemaloc_dict=SCHEMALOC_DICT)
stix_string = stix_string.decode().replace("</stix:STIX_Package>\n",
"")
print(stix_string)
def generateMainPackage(events):
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.title = "Export from " + namespace[1] + " MISP"
stix_header.package_intents = "Threat Report"
stix_package.stix_header = stix_header
return stix_package
def stix_xml(bldata):
# Create the STIX Package and Header objects
stix_package = STIXPackage()
stix_header = STIXHeader()
# Set the description
stix_header.description = "RiskIQ Blacklist Data - STIX Format"
# Set the namespace
NAMESPACE = {"http://www.riskiq.com" : "RiskIQ"}
set_id_namespace(NAMESPACE)
# Set the produced time to now
stix_header.information_source = InformationSource()
stix_header.information_source.time = Time()
stix_header.information_source.time.produced_time = datetime.now()
# Create the STIX Package
stix_package = STIXPackage()
# Build document
stix_package.stix_header = stix_header
# Build the Package Intent
stix_header.package_intents.append(PackageIntent.TERM_INDICATORS)
# Build the indicator
indicator = Indicator()
indicator.title = "List of Malicious URLs detected by RiskIQ - Malware, Phishing, and Spam"
indicator.add_indicator_type("URL Watchlist")
for datum in bldata:
url = URI()
url.value = ""
url.value = datum['url']
url.type_ = URI.TYPE_URL
url.condition = "Equals"
indicator.add_observable(url)
stix_package.add_indicator(indicator)
return stix_package.to_xml()
def stix_xml(bldata):
# Create the STIX Package and Header objects
stix_package = STIXPackage()
stix_header = STIXHeader()
# Set the description
stix_header.description = "RiskIQ Blacklist Data - STIX Format"
# Set the namespace
NAMESPACE = {"http://www.riskiq.com": "RiskIQ"}
set_id_namespace(NAMESPACE)
# Set the produced time to now
stix_header.information_source = InformationSource()
stix_header.information_source.time = Time()
stix_header.information_source.time.produced_time = datetime.now()
# Create the STIX Package
stix_package = STIXPackage()
# Build document
stix_package.stix_header = stix_header
# Build the Package Intent
stix_header.package_intents.append(PackageIntent.TERM_INDICATORS)
# Build the indicator
indicator = Indicator()
indicator.title = "List of Malicious URLs detected by RiskIQ - Malware, Phishing, and Spam"
indicator.add_indicator_type("URL Watchlist")
for datum in bldata:
url = URI()
url.value = ""
url.value = datum['url']
url.type_ = URI.TYPE_URL
url.condition = "Equals"
indicator.add_observable(url)
stix_package.add_indicator(indicator)
return stix_package.to_xml()
def main():
f = File()
f.add_hash("4EC0027BEF4D7E1786A04D021FA8A67F")
indicator = Indicator()
indicator.title = "File Hash Example"
indicator.description = "An indicator containing a File observable with an associated hash"
indicator.set_producer_identity("The MITRE Corporation")
indicator.set_produced_time(datetime.now(tzutc()))
indicator.add_object(f)
party_name = PartyName(name_lines=["Foo", "Bar"],
person_names=["John Smith", "Jill Smith"],
organisation_names=["Foo Inc.", "Bar Corp."])
ident_spec = STIXCIQIdentity3_0(party_name=party_name)
ident_spec.add_electronic_address_identifier("*****@*****.**")
ident_spec.add_free_text_line("Demonstrating Free Text!")
ident_spec.add_contact_number("555-555-5555")
ident_spec.add_contact_number("555-555-5556")
identity = CIQIdentity3_0Instance(specification=ident_spec)
indicator.set_producer_identity(identity)
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.description = "Example 05"
stix_package.stix_header = stix_header
stix_package.add_indicator(indicator)
xml = stix_package.to_xml()
print(xml)
def to_stix(infile):
"""Converts the `infile` OpenIOC xml document into a STIX Package.
Args:
infile: OpenIOC xml filename to translate
Returns:
stix.core.STIXPackage object
"""
observables = to_cybox(infile)
# Build Indicators from the Observable objects
indicators = [_observable_to_indicator_stix(o) for o in observables]
# Wrap the created Observables in a STIX Package/Indicator
stix_package = STIXPackage()
# Set the Indicators collection
stix_package.indicators = Indicators(indicators)
# Create and write the STIX Header. Warning: these fields have been
# deprecated in STIX v1.2!
stix_header = STIXHeader()
stix_header.package_intent = PackageIntent.TERM_INDICATORS_MALWARE_ARTIFACTS
stix_header.description = "CybOX-represented Indicators Translated from OpenIOC File"
stix_package.stix_header = stix_header
return stix_package
def stix_pkg(config, src, endpoint, payload, title='random test data',
description='random test data',
package_intents='Indicators - Watchlist',
tlp_color='WHITE', dest=None):
'''package observables'''
# setup the xmlns...
xmlns_url = config['edge']['sites'][dest]['stix']['xmlns_url']
xmlns_name = config['edge']['sites'][dest]['stix']['xmlns_name']
set_stix_id_namespace({xmlns_url: xmlns_name})
set_cybox_id_namespace(Namespace(xmlns_url, xmlns_name))
# construct a stix package...
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.title = title
stix_header.description = description
stix_header.package_intents = package_intents
marking = MarkingSpecification()
marking.controlled_structure = '../../../../descendant-or-self::node()'
tlp_marking = TLPMarkingStructure()
tlp_marking.color = tlp_color
marking.marking_structures.append(tlp_marking)
stix_package.stix_header = stix_header
stix_package.stix_header.handling = Marking()
stix_package.stix_header.handling.add_marking(marking)
if isinstance(payload, Observable):
stix_package.add_observable(payload)
elif isinstance(payload, Indicator):
stix_package.add_indicator(payload)
elif isinstance(payload, Incident):
stix_package.add_incident(payload)
return(stix_package)
def main():
# Crea un objeto vía CybOX
f = File()
# Asocia el hash a dicho objeto, la tipología del hash la detecta automáticamente en función de su amplitud
f.add_hash("8994a4713713e4683117e35d8689ea24")
# Creamos el indicador con la información de la que disponemos
indicator = Indicator()
indicator.title = "Feeds and Risk Score"
indicator.description = (
"An indicator containing the feed and the appropriate Risk Score"
)
indicator.set_producer_identity("Malshare")
indicator.set_produced_time("01/05/2019")
indicator.likely_impact = ("Risk Score: 4(Critical)")
# Asociamos el hash anterior a nuestro indicador
indicator.add_object(f)
# Creamos el reporte en STIX, con una brve descripción
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.description = "Feeds in STIX format with their Risk Scores"
stix_package.stix_header = stix_header
# Añadimos al reporte el indicador que hemos construido antes
stix_package.add(indicator)
# Imprimimos el xml en pantalla
print(stix_package.to_xml())
def main():
# Create a CyboX File Object
f = File()
# This automatically detects that it's an MD5 hash based on the length
f.add_hash("4EC0027BEF4D7E1786A04D021FA8A67F")
# Create an Indicator with the File Hash Object created above.
indicator = Indicator()
indicator.title = "File Hash Example"
indicator.description = (
"An indicator containing a File observable with an associated hash"
)
indicator.set_producer_identity("The MITRE Corporation")
indicator.set_produced_time(utils.dates.now())
# Add The File Object to the Indicator. This will promote the CybOX Object
# to a CybOX Observable internally.
indicator.add_object(f)
# Create a STIX Package
stix_package = STIXPackage()
# Create the STIX Header and add a description.
stix_header = STIXHeader()
stix_header.description = "File Hash Indicator Example"
stix_package.stix_header = stix_header
# Add our Indicator object. The add() method will inspect the input and
# append it to the `stix_package.indicators` collection.
stix_package.add(indicator)
# Print the XML!
print(stix_package.to_xml())
def buildSTIX(ident,confid,restconfid, effect, resteffect,typeIncident,resttype,asset,restasset,hashPkg):
# IMPLEMENTATION WORKAROUND -
# restConfid --> header.description
# resteffect --> breach.description
# resttype --> reporter.description
# restasset --> reporter.identity.name
# setup stix document
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.description = restconfid # "Example description"
stix_package.stix_header = stix_header
# add incident and confidence
breach = Incident(id_=ident)
breach.description = resteffect # "Intrusion into enterprise network"
breach.confidence = Confidence()
breach.confidence.value=confid
breach._binding_class.xml_type = typeIncident
# stamp with reporter
breach.reporter = InformationSource()
breach.reporter.description = resttype #"The person who reported it"
breach.reporter.time = Time()
breach.reporter.time.produced_time = datetime.strptime("2014-03-11","%Y-%m-%d") # when they submitted it
breach.reporter.identity = Identity()
breach.reporter.identity.name = restasset # "Sample Investigations, LLC"
# set incident-specific timestamps
breach.time = incidentTime()
breach.title = "Breach of CyberTech Dynamics"
breach.time.initial_compromise = datetime.strptime("2012-01-30", "%Y-%m-%d")
breach.time.incident_discovery = datetime.strptime("2012-05-10", "%Y-%m-%d")
breach.time.restoration_achieved = datetime.strptime("2012-08-10", "%Y-%m-%d")
breach.time.incident_reported = datetime.strptime("2012-12-10", "%Y-%m-%d")
# add the impact
#impact = ImpactAssessment()
#impact.add_effect("Unintended Access")
#breach.impact_assessment = impact
affected_asset = AffectedAsset()
affected_asset.description = "Database server at hr-data1.example.com"
affected_asset.type_ = asset
breach.affected_assets = affected_asset
#print("asset type: %s"%(breach.affected_assets[0].type_))
# add the victim
breach.add_victim (hashPkg)
# add the impact
impact = ImpactAssessment()
impact.add_effect(effect)
breach.impact_assessment = impact
stix_package.add_incident(breach)
#print("hey, I've got an incident! list size=%s"%(len(stix_package._incidents)))
# Print the XML!
#print(stix_package.to_xml())
return stix_package
def init_stix(self):
stix_package = STIXPackage()
stix_header = STIXHeader()
info_source = InformationSource()
info_source.description = 'HAR file analysis of visit to malicious URL'
stix_header.information_source = info_source
stix_package.stix_header = stix_header
return stix_package
def init_stix(self):
stix_package = STIXPackage()
stix_header = STIXHeader()
info_source = InformationSource()
info_source.description = 'HAR file analysis of visit to malicious URL'
stix_header.information_source = info_source
stix_package.stix_header = stix_header
return stix_package
def main():
mydata = loaddata()
'''
Your Namespace
'''
# NAMESPACE = {sanitizer(mydata["NSXURL"]) : (mydata["NS"])}
# set_id_namespace(NAMESPACE)
NAMESPACE = Namespace(sanitizer(mydata['NSXURL']), sanitizer(mydata['NS']))
set_id_namespace(NAMESPACE) # new ids will be prefixed by "myNS"
wrapper = STIXPackage()
info_src = InformationSource()
info_src.identity = Identity(name=sanitizer(mydata["Identity"]))
marking_specification = MarkingSpecification()
marking_specification.controlled_structure = "//node() | //@*"
tlp = TLPMarkingStructure()
tlp.color = sanitizer(mydata["TLP_COLOR"])
marking_specification.marking_structures.append(tlp)
handling = Marking()
handling.add_marking(marking_specification)
timestamp = datetime.datetime.fromtimestamp(
time.time()).strftime('%Y-%m-%d %H:%M:%S')
MyTITLE = sanitizer(mydata["Title"])
SHORT = timestamp
DESCRIPTION = sanitizer(mydata["Description"])
wrapper.stix_header = STIXHeader(information_source=info_src,
title=MyTITLE,
description=DESCRIPTION,
short_description=SHORT)
wrapper.stix_header.handling = handling
indiDom = Indicator()
indiDom.title = MyTITLE
indiDom.add_indicator_type("IP Watchlist")
for key in mydata["IOC"].keys():
myip = Address(address_value=sanitizer(key), category=Address.CAT_IPV4)
myip.condition = "Equals"
obsu = Observable(myip)
#if mydata[key].size:
for idx, mydata["IOC"][key] in enumerate(mydata["IOC"][key]):
ioc = File()
ioc.add_hash(sanitizer(mydata["IOC"][key]))
myip.add_related(ioc, "Downloaded")
indiDom.add_observable(obsu)
wrapper.add_indicator(indiDom)
print(wrapper.to_xml())
def main():
# get args
parser = argparse.ArgumentParser(
description="Parse an input JSON file and output STIX XML ",
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument("infile",help="input file")
parser.add_argument("--outfile","-o", help="output file")
args = parser.parse_args()
# We assume the input file is a flat JSON file
# format 'bot_name':[list,of,ips]
content = json.load(open(args.infile))
# Set up STIX document
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.title = "C2 Server IP Addresses"
stix_header.add_package_intent (PackageIntent.TERM_INDICATORS_WATCHLIST)
stix_package.stix_header = stix_header
# Create Indicator and TTP for each item in JSON document
for item in content:
# Create TTP for C2 server
ttp = TTP()
ttp.title = item
stix_package.add_ttp(ttp)
# Create Indicator for C2 IP addresses
indicator = Indicator()
indicator.title = "IP addresses for known C2 channel"
indicator.description = "Bot connecting to control server"
# Add IPs for C2 node
addr = Address(address_value=content[item], category=Address.CAT_IPV4)
addr.address_value.condition= "Equals"
indicator.add_object(addr)
# Relate Indicator and TTP
indicator.add_indicated_ttp(TTP(idref=ttp.id_))
# Add Indicator to STIX PAckage
stix_package.add_indicator(indicator)
# Output to given file
# The context manager is just to make the output look nicer by ignoring
# warnings from to_xml()
with warnings.catch_warnings():
warnings.simplefilter("ignore")
stix_out = stix_package.to_xml()
if args.outfile:
fd = open(args.outfile,'w')
fd.write(stix_out)
else:
print stix_out
def __init__(self, description='unknown', *args, **kwargs):
self._description = description
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.description = self._description
stix_package.stix_header = stix_header
self._handle = stix_package
def main():
# Create a CybOX File Object with a contained hash
f = File()
f.add_hash("4EC0027BEF4D7E1786A04D021FA8A67F")
# Create an Indicator with the File Hash Object created above.
indicator = Indicator()
indicator.title = "File Hash Example"
indicator.description = (
"An indicator containing a File observable with an associated hash")
indicator.set_producer_identity("The MITRE Corporation")
indicator.set_produced_time(utils.dates.now())
# Add The File Object to the Indicator. This will promote the CybOX Object
# to a CybOX Observable internally.
indicator.add_object(f)
# Build our STIX CIQ Identity object
party_name = stix_ciq.PartyName(name_lines=("Foo", "Bar"),
person_names=("John Smith", "Jill Smith"),
organisation_names=("Foo Inc.",
"Bar Corp."))
ident_spec = stix_ciq.STIXCIQIdentity3_0(party_name=party_name)
ident_spec.add_electronic_address_identifier("*****@*****.**")
ident_spec.add_free_text_line("Demonstrating Free Text!")
ident_spec.add_contact_number("555-555-5555")
ident_spec.add_contact_number("555-555-5556")
# Build and add a CIQ Address
addr = stix_ciq.Address(free_text_address='1234 Example Lane.',
country='USA',
administrative_area='An Admin Area')
ident_spec.add_address(addr)
identity = stix_ciq.CIQIdentity3_0Instance(specification=ident_spec)
# Set the Indicator producer identity to our CIQ Identity
indicator.set_producer_identity(identity)
# Build our STIX Package
stix_package = STIXPackage()
# Build a STIX Header and add a description
stix_header = STIXHeader()
stix_header.description = "STIX CIQ Identity Extension Example"
# Set the STIX Header on our STIX Package
stix_package.stix_header = stix_header
# Add our Indicator object. The add() method will inspect the input and
# append it to the `stix_package.indicators` collection.
stix_package.add(indicator)
# Print the XML!
print(stix_package.to_xml())
# Print a dictionary!
pprint(stix_package.to_dict())
def __repr__(self):
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_package.stix_header = stix_header
for d in self.data:
i = self._create_indicator(d)
stix_package.add_indicator(i)
return stix_package.to_xml()
def __repr__(self):
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_package.stix_header = stix_header
for d in self.data:
i = self._create_indicator(d)
stix_package.add_indicator(i)
return str(stix_package.to_xml())
def main():
infilename = ''
outfilename = ''
#Get the command-line arguments
args = sys.argv[1:]
if len(args) < 4:
usage()
sys.exit(1)
for i in range(0, len(args)):
if args[i] == '-i':
infilename = args[i + 1]
elif args[i] == '-o':
outfilename = args[i + 1]
if os.path.isfile(infilename):
try:
# Perform the translation using the methods from the OpenIOC to CybOX Script
openioc_indicators = openioc.parse(infilename)
observables_obj = openioc_to_cybox.generate_cybox(
openioc_indicators, infilename, True)
observables_cls = Observables.from_obj(observables_obj)
# Wrap the created Observables in a STIX Package/Indicator
stix_package = STIXPackage()
for observable in observables_cls.observables:
indicator_dict = {}
producer_dict = {}
producer_dict['tools'] = [{
'name': 'OpenIOC to STIX Utility',
'version': str(__VERSION__)
}]
indicator_dict['producer'] = producer_dict
indicator_dict[
'title'] = "CybOX-represented Indicator Created from OpenIOC File"
indicator = Indicator.from_dict(indicator_dict)
indicator.add_observable(observables_cls.observables[0])
stix_package.add_indicator(indicator)
# Create and write the STIX Header
stix_header = STIXHeader()
stix_header.package_intent = "Indicators - Malware Artifacts"
stix_header.description = "CybOX-represented Indicators Translated from OpenIOC File"
stix_package.stix_header = stix_header
# Write the generated STIX Package as XML to the output file
outfile = open(outfilename, 'w')
outfile.write(stix_package.to_xml())
outfile.flush()
outfile.close()
except Exception, err:
print('\nError: %s\n' % str(err))
traceback.print_exc()
def export_stix(iocs):
"""
Export the tagged items in STIX format.
BROKE!
"""
observables_doc = None
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.description = filename
stix_package.stix_header = stix_header
for ioc in iocs['md5']:
observable = cybox_helper.create_file_hash_observable('', value)
observables.append(observable)
stix_package.add_observable(observable)
indicators.append(value)
if t == 'ipv4':
if not value in indicators:
observable = cybox_helper.create_ipv4_observable(value)
observables.append(observable)
stix_package.add_observable(observable)
indicators.append(value)
elif t == 'domain':
if not value in indicators:
observable = cybox_helper.create_domain_name_observable(value)
observables.append(observable)
stix_package.add_observable(observable)
indicators.append(value)
elif t == 'url':
if not value in indicators:
observable = cybox_helper.create_url_observable(value)
observables.append(observable)
stix_package.add_observable(observable)
indicators.append(value)
elif t == 'email':
if not value in indicators:
observable = cybox_helper.create_email_address_observable(value)
observables.append(observable)
stix_package.add_observable(observable)
indicators.append(value)
if len(observables) > 0:
if not filename.endswith('.xml'):
filename = "%s.xml" % filename #add .xml extension if missing
# end if
with open(filename, "wb") as f:
stix_xml = stix_package.to_xml()
f.write(stix_xml)
def build_stix( input_dict ):
# setup stix document
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.description = "Incident report for " + input_dict['organization']
stix_header.add_package_intent ("Incident")
# Add handling requirements if needed
if input_dict['sensitive'] == "True":
mark = SimpleMarkingStructure()
mark.statement = "Sensitive"
mark_spec = MarkingSpecification()
mark_spec.marking_structures.append(mark)
stix_header.handling = Marking(mark_spec)
stix_package.stix_header = stix_header
# add incident and confidence
incident = Incident()
incident.description = input_dict['description']
incident.confidence = input_dict['confidence']
# add incident reporter
incident.reporter = InformationSource()
incident.reporter.description = "Person who reported the incident"
incident.reporter.time = Time()
incident.reporter.time.produced_time = datetime.strptime(input_dict['timestamp'], "%Y-%m-%d") # when they submitted it
incident.reporter.identity = Identity()
incident.reporter.identity.name = input_dict['submitter']
# incident time is a complex object with support for a bunch of different "when stuff happened" items
incident.time = incidentTime()
incident.title = "Breach of " + input_dict['organization']
incident.time.incident_discovery = datetime.strptime(input_dict['timestamp'], "%Y-%m-%d") # when they submitted it
# add the impact
impact = ImpactAssessment()
impact.add_effect(input_dict['damage'])
incident.impact_assessment = impact
#Add the thing that was stolen
jewels = AffectedAsset()
jewels.type_ = input_dict['asset']
incident.add_affected_asset (jewels)
# add the victim
incident.add_victim (input_dict['organization'])
stix_package.add_incident(incident)
return stix_package
def buildSTIX(ident,confid,restconfid, effect, resteffect,typeIncident,resttype,asset,restasset,hashPkg):
# IMPLEMENTATION WORKAROUND -
# restConfid --> header.description
# resteffect --> breach.description
# resttype --> reporter.description
# restasset --> reporter.identity.name
# setup stix document
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.description = restconfid # "Example description"
stix_package.stix_header = stix_header
# add incident and confidence
breach = Incident(id_=ident)
breach.description = resteffect # "Intrusion into enterprise network"
breach.confidence = Confidence()
breach.confidence.value=confid
print("confidence set to %s"%(str(breach.confidence.value)))
breach._binding_class.xml_type = typeIncident
print("incident set to %s"%(str(breach._binding_class.xml_type)))
# stamp with reporter
breach.reporter = InformationSource()
breach.reporter.description = resttype #"The person who reported it"
breach.reporter.time = Time()
breach.reporter.time.produced_time = datetime.strptime("2014-03-11","%Y-%m-%d") # when they submitted it
breach.reporter.identity = Identity()
breach.reporter.identity.name = restasset
# set incident-specific timestamps
breach.time = incidentTime()
breach.title = "Breach of Company Dynamics"
breach.time.initial_compromise = datetime.strptime("2012-01-30", "%Y-%m-%d")
breach.time.incident_discovery = datetime.strptime("2012-05-10", "%Y-%m-%d")
breach.time.restoration_achieved = datetime.strptime("2012-08-10", "%Y-%m-%d")
breach.time.incident_reported = datetime.strptime("2012-12-10", "%Y-%m-%d")
affected_asset = AffectedAsset()
affected_asset.description = "Database server at hr-data1.example.com"
affected_asset.type_ = asset
breach.affected_assets = affected_asset
# add the victim
breach.add_victim (hashPkg)
# add the impact
impact = ImpactAssessment()
impact.add_effect(effect)
breach.impact_assessment = impact
stix_package.add_incident(breach)
return stix_package
def main():
stix_package = STIXPackage()
stix_header = STIXHeader()
# Add tool information
stix_header.information_source = InformationSource()
stix_header.information_source.tools = ToolInformationList()
stix_header.information_source.tools.append(ToolInformation("python-stix ex_04.py", "The MITRE Corporation"))
stix_header.description = "Example "
stix_package.stix_header = stix_header
print(stix_package.to_xml())
print(stix_package.to_dict())
def main():
infilename = ''
outfilename = ''
#Get the command-line arguments
args = sys.argv[1:]
if len(args) < 4:
usage()
sys.exit(1)
for i in range(0,len(args)):
if args[i] == '-i':
infilename = args[i+1]
elif args[i] == '-o':
outfilename = args[i+1]
if os.path.isfile(infilename):
try:
# Perform the translation using the methods from the OpenIOC to CybOX Script
openioc_indicators = openioc.parse(infilename)
observables_obj = openioc_to_cybox.generate_cybox(openioc_indicators, infilename, True)
observables_cls = Observables.from_obj(observables_obj)
# Wrap the created Observables in a STIX Package/Indicator
stix_package = STIXPackage()
for observable in observables_cls.observables:
indicator_dict = {}
producer_dict = {}
producer_dict['tools'] = [{'name':'OpenIOC to STIX Utility', 'version':str(__VERSION__)}]
indicator_dict['producer'] = producer_dict
indicator_dict['title'] = "CybOX-represented Indicator Created from OpenIOC File"
indicator = Indicator.from_dict(indicator_dict)
indicator.add_observable(observables_cls.observables[0])
stix_package.add_indicator(indicator)
# Create and write the STIX Header
stix_header = STIXHeader()
stix_header.package_intent = "Indicators - Malware Artifacts"
stix_header.description = "CybOX-represented Indicators Translated from OpenIOC File"
stix_package.stix_header = stix_header
# Write the generated STIX Package as XML to the output file
outfile = open(outfilename, 'w')
outfile.write(stix_package.to_xml())
outfile.flush()
outfile.close()
except Exception, err:
print('\nError: %s\n' % str(err))
traceback.print_exc()
def generateEventPackage(event):
package_name = namespace[1] + ':STIXPackage-' + event["Event"]["uuid"]
stix_package = STIXPackage(id_=package_name)
stix_header = STIXHeader()
stix_header.title="MISP event #" + event["Event"]["id"] + " uuid: " + event["Event"]["uuid"]
stix_header.package_intents="Threat Report"
stix_package.stix_header = stix_header
objects = generateSTIXObjects(event)
incident = objects[0]
ttps = objects[1]
stix_package.add_incident(incident)
for ttp in ttps:
stix_package.add_ttp(ttp)
return stix_package
def _export_multi_json():
from stix.core import STIXPackage, STIXHeader
if jsonPattern is None:
if streamFlag: #stream
fullFileName = "cifStream"
else:
fullFileName = myJsonFile
xmlFileName = outputFile
else:
fullFileName = jsonPath + myJsonFile + '.json'
fileName = "stix_" + str(myJsonFile)
xmlFileName = stixPath + fileName + '.xml'
if testMode:
print "-----------------File Name: -------- " + fullFileName
print "xmlFileName: " + xmlFileName
global log_string
log_string = log_string + "\n\n" + str(datetime.datetime.now().time()) + ": fullFileName: " + fullFileName + "\n"
log_string = log_string + str(datetime.datetime.now().time()) + ": xmlFileName: " + xmlFileName + "\n"
wholeJson = _prepare_json(fullFileName)
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.description = "Search result from CIF with search parameter " + str(mySearchParam)
stix_header.title = "Indicators from search by " + str(mySearchParam)
stix_package.stix_header = stix_header
stix_header.package_intent = "Purpose: mitigation"
for x in wholeJson:
indicatorIns = _export_from_json_to_xml(json.loads(x))
stix_package.add_indicator(indicatorIns)
if streamFlag is False:
f = open(xmlFileName, 'w')
try:
f.write(stix_package.to_xml())
finally:
f.close()
#if testMode:
# print stix_package.to_xml()
log_string = log_string + str(datetime.datetime.now().time()) + ": -------------- STIX----------- \n\n" + stix_package.to_xml()
return stix_package.to_xml()
def stix(self):
"""Output data as STIX.
STIX is highly subjective and difficult to format without getting more
data from the user. Passive DNS results are formtted into a STIX
watchlist with descriptions and other details about the record.
:return: STIX formatted watchlist
"""
if python3:
raise RuntimeError("STIX is not supported when using Python 3 due to dependency libraries.")
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.description = "Passive DNS resolutions associated" \
" with %s during the time periods of " \
" %s - %s" % (self.queryValue,
self.firstSeen,
self.lastSeen)
stix_package.stix_header = stix_header
for record in self._records:
indicator = Indicator(
title="Observed from %s - %s" % (
record.firstSeen,
record.lastSeen
),
short_description="Resolution observed by %s." % (
','.join(record.source)
),
description="Passive DNS data collected and aggregated from" \
" PassiveTotal services."
)
if is_ip(record.resolve):
indicator.add_indicator_type('IP Watchlist')
ioc = Address(
address_value=record.resolve,
category=Address.CAT_IPV4
)
else:
indicator.add_indicator_type('Domain Watchlist')
ioc = DomainName(value=record.resolve)
ioc.condition = "Equals"
indicator.add_observable(ioc)
stix_package.add_indicator(indicator)
output = stix_package.to_xml()
return output
def MISPtoSTIX(mispJSON):
"""
Function to convert from a MISP JSON to a STIX stix
:param mispJSON: A dict (json) containing a misp Event.
:returns stix: A STIX stix with as much of the original
data as we could convert.
"""
if isinstance(mispJSON, mispevent.MISPEvent):
misp_event = mispJSON
else:
misp_event = mispevent.MISPEvent()
misp_event.load(mispJSON)
# We should now have a proper MISP JSON loaded.
# Create a base stix
stix = STIXPackage()
try:
stix.MISPID = mispJSON["Event"]["id"]
except Exception:
# We don't have an ID?
# Generate a random number and use that
stix.MISPID = random.randint(1, 9000)
# it's being silly
# backup the ID
backupID = stix.MISPID
# Create a header for the new stix
stix.stix_header = STIXHeader()
# Try to use the event title as the stix title
stix.stix_header.title = misp_event.info
# Go through each attribute and transfer what we can.
for one_attrib in misp_event.attributes:
# We're going to store our observables inside an indicator
# One for each attribute because @iglocska said so
# I swear STIX is gonna be the death of me.
indicator = Indicator()
# Build an attribute from the JSON. Is all nice.
buildSTIXAttribute.buildAttribute(one_attrib, stix, indicator)
stix.add_indicator(indicator)
stix.MISPID = backupID
return stix
def test_utf16_roundtrip(self):
sh = STIXHeader()
sh.title = UNICODE_STR
sp = STIXPackage()
sp.stix_header = sh
# serialize as utf-16
xml16 = sp.to_xml(encoding='utf-16')
# deserialize as utf-16
sp2 = STIXPackage.from_xml(StringIO(xml16), encoding='utf-16')
sh2 = sp2.stix_header
# check that the titles align
self.assertEqual(sh.title, sh2.title)
def main():
shv = Hash()
shv.simple_hash_value = "4EC0027BEF4D7E1786A04D021FA8A67F"
f = File()
h = Hash(shv, Hash.TYPE_MD5)
f.add_hash(h)
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.description = "Example 03"
stix_package.stix_header = stix_header
stix_package.add_observable(f)
print(stix_package.to_xml())
def test_utf16_roundtrip(self):
sh = STIXHeader()
sh.title = UNICODE_STR
sp = STIXPackage()
sp.stix_header = sh
# serialize as utf-16
xml16 = sp.to_xml(encoding="utf-16")
# deserialize as utf-16
sp2 = STIXPackage.from_xml(StringIO(xml16), encoding="utf-16")
sh2 = sp2.stix_header
# check that the titles align
self.assertEqual(sh.title, sh2.title)
def generateEventPackage(event):
package_name = namespace[1] + ':STIXPackage-' + event["Event"]["uuid"]
timestamp = getDateFromTimestamp(int(event["Event"]["timestamp"]))
stix_package = STIXPackage(id_=package_name, timestamp=timestamp)
stix_header = STIXHeader()
stix_header.title=event["Event"]["info"] + " (MISP Event #" + event["Event"]["id"] + ")"
stix_header.package_intents="Threat Report"
stix_package.stix_header = stix_header
objects = generateSTIXObjects(event)
incident = objects[0]
ttps = objects[1]
stix_package.add_incident(incident)
for ttp in ttps:
stix_package.add_ttp(ttp)
return stix_package
def generateEventPackage(event):
package_name = namespace[1] + ":STIXPackage-" + event["Event"]["uuid"]
timestamp = getDateFromTimestamp(int(event["Event"]["timestamp"]))
stix_package = STIXPackage(id_=package_name, timestamp=timestamp)
stix_header = STIXHeader()
stix_header.title = event["Event"]["info"] + " (MISP Event #" + event["Event"]["id"] + ")"
stix_header.package_intents = "Threat Report"
stix_package.stix_header = stix_header
objects = generateSTIXObjects(event)
incident = objects[0]
ttps = objects[1]
stix_package.add_incident(incident)
for ttp in ttps:
stix_package.add_ttp(ttp)
return stix_package
def main():
shv = Hash()
shv.simple_hash_value = "4EC0027BEF4D7E1786A04D021FA8A67F"
f = File()
h = Hash(shv, Hash.TYPE_MD5)
f.add_hash(h)
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.description = "Example 03"
stix_package.stix_header = stix_header
stix_package.add_observable(f)
print(stix_package.to_xml())
def gen_stix_indicator_sample(
config,
target=None,
datatype=None,
title="random test data",
description="random test data",
package_intents="Indicators - Watchlist",
tlp_color="WHITE",
observables_list=None,
):
"""generate sample stix data comprised of indicator_count
indicators of type datatype"""
# setup the xmlns...
xmlns_url = config["edge"]["sites"][target]["stix"]["xmlns_url"]
xmlns_name = config["edge"]["sites"][target]["stix"]["xmlns_name"]
set_stix_id_namespace({xmlns_url: xmlns_name})
set_cybox_id_namespace(Namespace(xmlns_url, xmlns_name))
# construct a stix package...
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.title = title
stix_header.description = description
stix_header.package_intents = package_intents
marking = MarkingSpecification()
marking.controlled_structure = "../../../../descendant-or-self::node()"
tlp_marking = TLPMarkingStructure()
tlp_marking.color = tlp_color
marking.marking_structures.append(tlp_marking)
stix_package.stix_header = stix_header
stix_package.stix_header.handling = Marking()
stix_package.stix_header.handling.add_marking(marking)
indicator_ = Indicator()
indicator_.title = str(uuid.uuid4()) + "_sample_indicator"
indicator_.confidence = "Unknown"
indicator_.add_indicator_type("Malware Artifacts")
observable_composition_ = ObservableComposition()
observable_composition_.operator = indicator_.observable_composition_operator
for observable_id in observables_list:
observable_ = Observable()
observable_.idref = observable_id
observable_composition_.add(observable_)
indicator_.observable = Observable()
indicator_.observable.observable_composition = observable_composition_
stix_package.add_indicator(indicator_)
return stix_package
def build_stix( ):
# setup stix document
stix_package = STIXPackage()
stix_header = STIXHeader()
stix_header.description = "Sample breach report"
stix_header.add_package_intent ("Incident")
stix_package.stix_header = stix_header
# add incident and confidence
breach = Incident()
breach.description = "Intrusion into enterprise network"
breach.confidence = "High"
# stamp with reporter
breach.reporter = InformationSource()
breach.reporter.description = "The person who reported it"
breach.reporter.time = Time()
breach.reporter.time.produced_time = datetime.strptime("2014-03-11","%Y-%m-%d") # when they submitted it
breach.reporter.identity = Identity()
breach.reporter.identity.name = "Sample Investigations, LLC"
# set incident-specific timestamps
breach.time = incidentTime()
breach.title = "Breach of Cyber Tech Dynamics"
breach.time.initial_compromise = datetime.strptime("2012-01-30", "%Y-%m-%d")
breach.time.incident_discovery = datetime.strptime("2012-05-10", "%Y-%m-%d")
breach.time.restoration_achieved = datetime.strptime("2012-08-10", "%Y-%m-%d")
breach.time.incident_reported = datetime.strptime("2012-12-10", "%Y-%m-%d")
# add the impact
impact = ImpactAssessment()
impact.add_effect("Unintended Access")
breach.impact_assessment = impact
# add the victim
breach.add_victim ("Cyber Tech Dynamics")
stix_package.add_incident(breach)
return stix_package
def wrap_maec(maec_package, file_name=None):
"""Wrap a MAEC Package in a STIX TTP/Package. Return the newly created STIX Package.
Args:
maec_package: the ``maec.package.package.Package`` instance to wrap in STIX.
file_name: the name of the input file from which the MAEC Package originated,
to be used in the Title of the STIX TTP that wraps the MAEC Package. Optional.
Returns:
A ``stix.STIXPackage`` instance with a single TTP that wraps the input MAEC Package.
"""
# Set the namespace to be used in the STIX Package
stix.utils.set_id_namespace({"https://github.com/MAECProject/maec-to-stix":"MAECtoSTIX"})
# Create the STIX MAEC Instance
maec_malware_instance = MAECInstance()
maec_malware_instance.maec = maec_package
# Create the STIX TTP that includes the MAEC Instance
ttp = TTP()
ttp.behavior = Behavior()
ttp.behavior.add_malware_instance(maec_malware_instance)
# Create the STIX Package and add the TTP to it
stix_package = STIXPackage()
stix_package.add_ttp(ttp)
# Create the STIX Header and add it to the Package
stix_header = STIXHeader()
if file_name:
stix_header.title = "STIX TTP wrapper around MAEC file: " + str(file_name)
stix_header.add_package_intent("Malware Characterization")
# Add the Information Source to the STIX Header
tool_info = ToolInformation()
stix_header.information_source = InformationSource()
tool_info.name = "MAEC to STIX"
tool_info.version = str(maec_to_stix.__version__)
stix_header.information_source.tools = ToolInformationList(tool_info)
stix_package.stix_header = stix_header
return stix_package
