def generate_analysis(self, static_bundle):
analysis = Analysis()
analysis.type = 'triage'
analysis.method = 'static'
analysis.add_tool(ToolInformation.from_dict({'id': maec.utils.idgen.create_id(prefix="tool"),
'vendor': 'Ero Carrera',
'name': 'pefile'}))
findings_bundle_reference = []
if self.bundle_has_content(static_bundle):
findings_bundle_reference.append(BundleReference.from_dict({'bundle_idref':static_bundle.id_}))
analysis.findings_bundle_reference = findings_bundle_reference
return analysis
def generate_analysis(self, static_bundle):
analysis = Analysis()
analysis.type = 'triage'
analysis.method = 'static'
analysis.add_tool(ToolInformation.from_dict({'id': maec.utils.idgen.create_id(prefix="tool"),
'vendor': 'Ero Carrera',
'name': 'pefile'}))
findings_bundle_reference = []
if self.bundle_has_content(static_bundle):
findings_bundle_reference.append(BundleReference.from_dict({'bundle_idref':static_bundle.id_}))
analysis.findings_bundle_reference = findings_bundle_reference
return analysis
p = Package()
ms = MalwareSubject()
b = Bundle()
a = Analysis()
# Set the Malware_Instance_Object_Attributes on the Malware Subject
ms.malware_instance_object_attributes = Object()
ms.malware_instance_object_attributes.properties = WinExecutableFile()
ms.malware_instance_object_attributes.properties.size_in_bytes = "210564"
ms.malware_instance_object_attributes.properties.add_hash(
"B6C39FF68346DCC8B67AA060DEFE40C2")
ms.malware_instance_object_attributes.properties.add_hash(
"D55B0FB96FAD96D203D10850469489FC03E6F2F7")
# Populate the Analysis with the metadata relating to the Analysis that was performed
a.method = "dynamic"
a.type_ = "triage"
a.set_findings_bundle(b.id_)
t = ToolInformation()
t.name = "ThreatExpert"
t.vendor = "ThreatExpert"
a.add_tool(t)
# Set the requisite attributes on the Bundle and populate it with the Dynamic Analysis findings
b.defined_subject = False
b.content_type = "dynamic analysis tool output"
# Create the first, create file action
act1 = MalwareAction()
act1.name = "create file"
act1.name.xsi_type = "FileActionNameVocab-1.1"
# Set up the necessary Package, Malware Subject, Analysis Bundle Instances
p = Package()
ms = MalwareSubject()
b = Bundle()
a = Analysis()
# Set the Malware_Instance_Object_Attributes on the Malware Subject
ms.malware_instance_object_attributes = Object()
ms.malware_instance_object_attributes.properties = WinExecutableFile()
ms.malware_instance_object_attributes.properties.size_in_bytes = "251904"
ms.malware_instance_object_attributes.properties.add_hash("5247001dafe411802b1a40e763d9a221")
ms.malware_instance_object_attributes.properties.add_hash("7ff89166e226845e9fc52cb711eb5b37d004a0e5")
# Populate the Analysis with the metadata relating to the Analysis that was performed
a.method = "dynamic"
a.type_ = "triage"
a.set_findings_bundle(b.id_)
t = ToolInformation()
t.name = "Anubis"
t.vendor = "ISECLab"
a.add_tool(t)
# Set the requisite attributes on the Bundle and populate it with the Dynamic Analysis findings
b.defined_subject = False
b.content_type = "dynamic analysis tool output"
# Create the create file action initiated by the root process
act1 = MalwareAction()
act1.name = "create file"
act1.name.xsi_type = "FileActionNameVocab-1.1"
from cybox.objects.win_executable_file_object import WinExecutableFile
# Set up the necessary Package, Malware Subject, Analysis Bundle Instances
p = Package()
ms = MalwareSubject()
b = Bundle()
a = Analysis()
# Set the Malware_Instance_Object_Attributes on the Malware Subject
ms.malware_instance_object_attributes = Object()
ms.malware_instance_object_attributes.properties = WinExecutableFile()
ms.malware_instance_object_attributes.properties.add_hash("076e5b2bae0b4b3a3d81c85610b95cd4")
ms.malware_instance_object_attributes.properties.add_hash("4484e08903744ceeaedd8f5e1bfc06b2c4688e76")
# Populate the Analysis with the metadata relating to the Analysis that was performed
a.method = "static"
a.type_ = "triage"
a.set_findings_bundle(b.id_)
# Set the requisite attributes on the Bundle
b.defined_subject = False
b.content_type = "static analysis tool output"
# Create the AV Classifications
av1 = AVClassification()
av1.name = "Microsoft"
av1.classification_name = "PWS:Win32/Zbot.gen!B"
av2 = AVClassification()
av2.name = "Symantec"
av2.classification_name = "Backdoor.Paproxy"
av3 = AVClassification()
from cybox.objects.win_executable_file_object import WinExecutableFile
from cybox.common import ToolInformation, VocabString
# サンプルの名前空間に（自動ID生成用の）IDジェネレータクラスをインスタンス化
NS = Namespace("http://example.com/", "example")
maec.utils.set_id_namespace(NS)
# インスタンス化：Bundle, Package, MalwareSubject, Analysis classes
bundle = Bundle(defined_subject=False)
package = Package()
subject = MalwareSubject()
analysis = Analysis()
# Populate the Analysis with the metadata relating to the Analysis that was performed
analysis.method = "dynamic"
analysis.type_ = "triage"
analysis.set_findings_bundle(bundle.id_)
t = ToolInformation()
t.name = "APIMonitor"
t.vendor = "APIMonitor"
analysis.add_tool(t)
# Malware Instance Object Attribures内で使うためのオブジェクトを作成（マルウェアを含んだファイル？）
subject_object = Object() #オブジェクト
subject_object.properties = File() #ファイルオブジェクト
subject_object.properties.file_name = 'seminor.doc' # ファイル名（マルウェアを含んだファイル）
subject_object.properties.size_in_bytes = '154173' #ファイルサイズ
subject_object.properties.add_hash("54CC941747FA99A3521314B9969D4964")
# 辞書から構築されたオブジェクトとマルウェアインスタンスオブジェクト属性を設定
def vt_report_to_maec_package(vt_report_input, options = None):
"""Accept a VirusTotal report (as a Python structure) and return a corresponding MAEC Package API object."""
NS = Namespace("https://github.com/MAECProject/vt-to-maec", "VirusTotalToMAEC")
maec.utils.set_id_namespace(NS)
package = Package()
# if only one result, make it a list of one result
if type(vt_report_input) != list:
vt_report_list = [vt_report_input]
else:
vt_report_list = vt_report_input
for idx, vt_report in enumerate(vt_report_list):
# if VirusTotal has never seen this MD5
if vt_report["response_code"] == 0:
sys.stderr.write("WARNING: Skipping file #" + str(idx+1) + " (" + vt_report["resource"] + "); this MD5 is unknown to VirusTotal\n")
sys.stderr.flush();
continue
if vt_report["response_code"] == -1:
sys.stderr.write("WARNING: VirusTotal had an unexpected error on file #" + str(idx+1) + " (" + vt_report["resource"] + "): " +
vt_report.get("verbose_message", "no message provided") + "\n")
sys.stderr.flush();
continue
malware_subject = MalwareSubject()
# create the file object and add hashes
file_dict = {}
file_dict['xsi:type'] = 'WindowsExecutableFileObjectType'
file_dict['hashes'] = [
{'type' : 'MD5', 'simple_hash_value': vt_report["md5"] },
{'type' : 'SHA1', 'simple_hash_value': vt_report["sha1"] },
{'type' : 'SHA256', 'simple_hash_value': vt_report["sha256"] }
]
# set the object as the defined object
object_dict = {}
object_dict['id'] = maec.utils.idgen.create_id(prefix="object")
object_dict['properties'] = file_dict
# bind the object to the malware subject object
malware_subject.set_malware_instance_object_attributes(Object.from_dict(object_dict))
# create the analysis and add it to the subject
analysis = Analysis()
analysis.type_ = 'triage'
analysis.method = 'static'
analysis.complete_datetime = vt_report["scan_date"].replace(" ", "T")
analysis.add_tool(ToolInformation.from_dict({'id' : maec.utils.idgen.create_id(prefix="tool"),
'vendor' : 'VirusTotal',
'name' : 'VirusTotal' }))
malware_subject.add_analysis(analysis)
bundle_obj = Bundle()
for vendor, scan in vt_report["scans"].items():
if scan["result"] is not None:
bundle_obj.add_av_classification(AVClassification.from_dict({ 'classification_name' : scan["result"], 'vendor' : vendor }))
# add bundle to subject, bundle to analysis, and subject to package
malware_subject.add_findings_bundle(bundle_obj)
analysis.set_findings_bundle(bundle_obj.id_)
package.add_malware_subject(malware_subject)
package.__input_namespaces__["https://github.com/MAECProject/vt-to-maec"] = "VirusTotalToMAEC"
if options:
if options.normalize_bundles:
malware_subject.normalize_bundles()
if options.deduplicate_bundles:
malware_subject.deduplicate_bundles()
if options.dereference_bundles:
malware_subject.dereference_bundles()
return package
from cybox.objects.win_executable_file_object import WinExecutableFile
# Set up the necessary Package, Malware Subject, Analysis instances
p = Package()
ms = MalwareSubject()
a1 = Analysis()
a2 = Analysis()
# Set the Malware_Instance_Object_Attributes on the Malware Subject
ms.malware_instance_object_attributes = Object()
ms.malware_instance_object_attributes.properties = WinExecutableFile()
ms.malware_instance_object_attributes.properties.size_in_bytes = "210564"
ms.malware_instance_object_attributes.properties.add_hash("B6C39FF68346DCC8B67AA060DEFE40C2")
# Populate the PeID Analysis with its corresponding metadata
a1.method = "static"
a1.type_ = "triage"
t1 = ToolInformation()
t1.name = "PEiD"
t1.version = "0.94"
a1.add_tool(t1)
# Populate the Anubis Analysis with its corresponding metadata
a2.method = "dynamic"
a2.type_ = "triage"
t2 = ToolInformation()
t2.name = "Anubis"
t2.version = "1.68.0"
a2.add_tool(t2)
# Build up the full Package/Malware Subject/Analysis hierarchy
