def resolveAttributes(incident, ttps, attributes):
for attribute in attributes:
if attribute["type"] in not_implemented_attributes:
addJournalEntry(
incident,
"!Not implemented attribute category/type combination caught! attribute["
+ attribute["category"]
+ "]["
+ attribute["type"]
+ "]: "
+ attribute["value"],
)
elif attribute["type"] in non_indicator_attributes:
# types that will definitely not become indicators
handleNonIndicatorAttribute(incident, ttps, attribute)
else:
# types that may become indicators
handleIndicatorAttribute(incident, ttps, attribute)
if incident.related_indicators and not ttps:
ttp = TTP(timestamp=incident.timestamp)
ttp.id_ = incident.id_.replace("incident", "ttp")
ttp.title = "Unknown"
ttps.append(ttp)
for rindicator in incident.related_indicators:
for ttp in ttps:
ittp = TTP(idref=ttp.id_, timestamp=ttp.timestamp)
rindicator.item.add_indicated_ttp(ittp)
return [incident, ttps]
def generateTTP(incident, attribute, ttps, eventTags):
ttp = TTP(timestamp=getDateFromTimestamp(int(attribute["timestamp"])))
ttp.id_= namespace[1] + ":ttp-" + attribute["uuid"]
setTLP(ttp, attribute["distribution"], mergeTags(eventTags, attribute["AttributeTag"]))
ttp.title = attribute["category"] + ": " + attribute["value"] + " (MISP Attribute #" + attribute["id"] + ")"
if attribute["type"] == "vulnerability":
vulnerability = Vulnerability()
vulnerability.cve_id = attribute["value"]
et = ExploitTarget(timestamp=getDateFromTimestamp(int(attribute["timestamp"])))
et.id_= namespace[1] + ":et-" + attribute["uuid"]
if attribute["comment"] != "" and attribute["comment"] != "Imported via the freetext import.":
et.title = attribute["comment"]
else:
et.title = "Vulnerability " + attribute["value"]
et.add_vulnerability(vulnerability)
ttp.exploit_targets.append(et)
else:
malware = MalwareInstance()
malware.add_name(attribute["value"])
ttp.behavior = Behavior()
ttp.behavior.add_malware_instance(malware)
if attribute["comment"] != "":
ttp.description = attribute["comment"]
ttps.append(ttp)
rttp = TTP(idref=ttp.id_, timestamp=ttp.timestamp)
relatedTTP = RelatedTTP(rttp, relationship=attribute["category"])
incident.leveraged_ttps.append(relatedTTP)
def generateTTP(incident, attribute):
ttp = TTP()
ttp.id_="example:ttp-" + attribute["uuid"]
setTLP(ttp, attribute["distribution"])
ttp.title = "MISP Attribute #" + attribute["id"] + " uuid: " + attribute["uuid"]
if attribute["type"] == "vulnerability":
vulnerability = Vulnerability()
vulnerability.cve_id = attribute["value"]
et = ExploitTarget()
et.add_vulnerability(vulnerability)
ttp.exploit_targets.append(et)
else:
malware = MalwareInstance()
malware.add_name(attribute["value"])
ttp.behavior = Behavior()
ttp.behavior.add_malware_instance(malware)
relatedTTP = RelatedTTP(ttp, relationship=attribute["category"])
incident.leveraged_ttps.append(relatedTTP)
def generateTTP(incident, attribute):
ttp = TTP()
ttp.id_ = "example:ttp-" + attribute["uuid"]
setTLP(ttp, attribute["distribution"])
ttp.title = "MISP Attribute #" + attribute["id"] + " uuid: " + attribute[
"uuid"]
if attribute["type"] == "vulnerability":
vulnerability = Vulnerability()
vulnerability.cve_id = attribute["value"]
et = ExploitTarget()
et.add_vulnerability(vulnerability)
ttp.exploit_targets.append(et)
else:
malware = MalwareInstance()
malware.add_name(attribute["value"])
ttp.behavior = Behavior()
ttp.behavior.add_malware_instance(malware)
relatedTTP = RelatedTTP(ttp, relationship=attribute["category"])
incident.leveraged_ttps.append(relatedTTP)
def resolveAttributes(incident, ttps, attributes):
for attribute in attributes:
if (attribute["type"] in not_implemented_attributes):
addJournalEntry(incident, "!Not implemented attribute category/type combination caught! attribute[" + attribute["category"] + "][" + attribute["type"] + "]: " + attribute["value"])
elif (attribute["type"] in non_indicator_attributes):
#types that will definitely not become indicators
handleNonIndicatorAttribute(incident, ttps, attribute)
else:
#types that may become indicators
handleIndicatorAttribute(incident, ttps, attribute)
if incident.related_indicators and not ttps:
ttp = TTP(timestamp=incident.timestamp)
ttp.id_= incident.id_.replace("incident","ttp")
ttp.title = "Unknown"
ttps.append(ttp)
for rindicator in incident.related_indicators:
for ttp in ttps:
ittp=TTP(idref=ttp.id_, timestamp=ttp.timestamp)
rindicator.item.add_indicated_ttp(ittp)
return [incident, ttps]
def generateTTP(incident, attribute):
ttp = TTP(timestamp=getDateFromTimestamp(int(attribute["timestamp"])))
ttp.id_= namespace[1] + ":ttp-" + attribute["uuid"]
setTLP(ttp, attribute["distribution"])
ttp.title = attribute["category"] + ": " + attribute["value"] + " (MISP Attribute #" + attribute["id"] + ")"
if attribute["type"] == "vulnerability":
vulnerability = Vulnerability()
vulnerability.cve_id = attribute["value"]
et = ExploitTarget(timestamp=getDateFromTimestamp(int(attribute["timestamp"])))
et.add_vulnerability(vulnerability)
ttp.exploit_targets.append(et)
else:
malware = MalwareInstance()
malware.add_name(attribute["value"])
ttp.behavior = Behavior()
ttp.behavior.add_malware_instance(malware)
if attribute["comment"] != "":
ttp.description = attribute["comment"]
relatedTTP = RelatedTTP(ttp, relationship=attribute["category"])
incident.leveraged_ttps.append(relatedTTP)
def main():
# "hardcoded" values
ns = "urn:example.com:marks_malware_metadata_mart"
ns_alias = "m4"
# Set the STIX ID Namespace
stix_namespace = {ns: ns_alias}
stix_sin(stix_namespace)
# Set the CybOX ID Namespace
cybox_namespace = Namespace(ns, ns_alias)
cybox_sin(cybox_namespace)
ttp_id = 'ttp-d539bb85-9363-4814-83c8-fa9975045686'
ttp_timestamp = '2014-09-30T15:56:27.000000+00:00'
# Fake database values
md5_hash = 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'
object_id = 'File-927731f2-cc2c-421c-a40e-dc6f4a6c75a4'
observable_id = 'Observable-45e3e64c-8438-441e-bc49-51e417466e29'
confidence = 'High'
confidence_timestamp = '2014-09-29T14:32:00.000000'
indicator_id = 'Indicator-54baefc1-4742-4b40-ba83-afd51115015b'
indicator_timestamp = '2014-09-29T14:32:00.000000'
# Code to create the STIX Package
sp = STIXPackage()
sp.stix_header = STIXHeader()
sp.stix_header.title = "File Hash Reputation for %s" % md5_hash
sp.stix_header.add_package_intent("Indicators - Malware Artifacts")
sp.stix_header.information_source = InformationSource()
sp.stix_header.information_source.identity = Identity()
sp.stix_header.information_source.identity.name = "Mark's Malware Metadata Mart"
file_hash = Hash(hash_value=md5_hash, type_='MD5', exact=True)
file_hash.type_.condition = "Equals"
file_obj = File()
file_obj.id_ = (ns_alias + ':' + object_id)
file_obj.add_hash(file_hash)
indicator = Indicator(title="File Hash Reputation",
id_=(ns_alias + ':' + indicator_id),
timestamp=indicator_timestamp)
indicator.indicator_type = "File Hash Reputation"
indicator.add_observable(file_obj)
indicator.observables[0].id_ = ns_alias + ':' + observable_id
ttp = TTP()
ttp.id_ = ns_alias + ':' + ttp_id
ttp.timestamp = ttp_timestamp
ttp.title = "Malicious File"
indicator.add_indicated_ttp(TTP(idref=ttp.id_, timestamp=ttp.timestamp))
indicator.indicated_ttps[0].confidence = confidence
indicator.indicated_ttps[0].confidence.timestamp = confidence_timestamp
sp.add_indicator(indicator)
sp.add_ttp(ttp)
stix_xml = sp.to_xml()
poll_response = tm11.PollResponse(message_id=generate_message_id(),
in_response_to="1234",
collection_name='file_hash_reputation')
cb = tm11.ContentBlock(content_binding=CB_STIX_XML_111,
content=stix_xml)
poll_response.content_blocks.append(cb)
print poll_response.to_xml(pretty_print=True)
def create_ttp(self, tags, attribute):
ttp = TTP(timestamp=attribute.timestamp)
ttp.id_ = "{}:ttp-{}".format(namespace[1], attribute.uuid)
self.set_tlp(ttp, attribute.distribution, self.merge_tags(tags, attribute))
ttp.title = "{}: {} (MISP Attribute #{})".format(attribute.category, attribute.value, attribute.id)
return ttp
def main():
# "hardcoded" values
ns = "urn:example.com:marks_malware_metadata_mart"
ns_alias = "m4"
# Set the STIX ID Namespace
stix_namespace = {ns: ns_alias}
stix_sin(stix_namespace)
# Set the CybOX ID Namespace
cybox_namespace = Namespace(ns, ns_alias)
cybox_sin(cybox_namespace)
ttp_id = 'ttp-d539bb85-9363-4814-83c8-fa9975045686'
ttp_timestamp = '2014-09-30T15:56:27.000000+00:00'
# Fake database values
md5_hash = 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'
object_id = 'File-927731f2-cc2c-421c-a40e-dc6f4a6c75a4'
observable_id = 'Observable-45e3e64c-8438-441e-bc49-51e417466e29'
confidence = 'High'
confidence_timestamp = '2014-09-29T14:32:00.000000'
indicator_id = 'Indicator-54baefc1-4742-4b40-ba83-afd51115015b'
indicator_timestamp = '2014-09-29T14:32:00.000000'
# Code to create the STIX Package
sp = STIXPackage()
sp.stix_header = STIXHeader()
sp.stix_header.title = "File Hash Reputation for %s" % md5_hash
sp.stix_header.add_package_intent("Indicators - Malware Artifacts")
sp.stix_header.information_source = InformationSource()
sp.stix_header.information_source.identity = Identity()
sp.stix_header.information_source.identity.name = "Mark's Malware Metadata Mart"
file_hash = Hash(hash_value=md5_hash, type_='MD5', exact=True)
file_hash.type_.condition = "Equals"
file_obj = File()
file_obj.id_ = (ns_alias + ':' + object_id)
file_obj.add_hash(file_hash)
indicator = Indicator(title="File Hash Reputation",
id_=(ns_alias + ':' + indicator_id),
timestamp=indicator_timestamp)
indicator.indicator_type = "File Hash Reputation"
indicator.add_observable(file_obj)
indicator.observables[0].id_ = ns_alias + ':' + observable_id
ttp = TTP()
ttp.id_ = ns_alias + ':' + ttp_id
ttp.timestamp = ttp_timestamp
ttp.title = "Malicious File"
indicator.add_indicated_ttp(TTP(idref=ttp.id_, timestamp=ttp.timestamp))
indicator.indicated_ttps[0].confidence = confidence
indicator.indicated_ttps[0].confidence.timestamp = confidence_timestamp
sp.add_indicator(indicator)
sp.add_ttp(ttp)
stix_xml = sp.to_xml()
poll_response = tm11.PollResponse(message_id=generate_message_id(),
in_response_to="1234",
collection_name='file_hash_reputation')
cb = tm11.ContentBlock(content_binding=CB_STIX_XML_111, content=stix_xml)
poll_response.content_blocks.append(cb)
print poll_response.to_xml(pretty_print=True)
