Esempio n. 1
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def getSTIXObject():
    # setup stix document
    stix_package = STIXPackage()

    # add incident and confidence
    breach = Incident()
    breach.description = "Parity Wallet Hacked"
    breach.confidence = "High" # investigators were able to thoroughly validate the incident, Low means not yet validated

    # stamp with reporter
    breach.reporter = InformationSource()
    breach.reporter.description = "https://paritytech.io/blog/security-alert.html"

    breach.reporter.time = Time()
    breach.reporter.time.produced_time = datetime.strptime("2017-11-08","%Y-%m-%d") # when they submitted it

    breach.reporter.identity = Identity()
    breach.reporter.identity.name = "parity technologies ltd"

    # set incident-specific timestamps
    breach.time = incidentTime()
    breach.title = "The Multi-sig Hack"
    breach.time.initial_compromise = datetime.strptime("2017-11-06", "%Y-%m-%d")
    breach.time.incident_discovery = datetime.strptime("2017-11-08", "%Y-%m-%d")
    #breach.time.restoration_achieved = datetime.strptime("2012-08-10", "%Y-%m-%d")
    breach.time.incident_reported = datetime.strptime("2017-11-08", "%Y-%m-%d")

    # add the impact
    impact = ImpactAssessment()
    impact.effects = Effects("Estimated Loss of $280m in Ether")
    breach.impact_assessment = impact

    # add the victim
    victim = Identity()
    victim.name = "Cappasity"
    breach.add_victim(victim)
    victim2 = Identity()
    victim2.name = "Who else ?"
    breach.add_victim(victim2)

    # add Information Sources
    infoSource = InformationSource();
    infoSource.add_description("https://news.ycombinator.com/item?id=15642856")
    infoSource.add_description("https://www.theregister.co.uk/2017/11/10/parity_280m_ethereum_wallet_lockdown_hack/")
    breach.Information_Source = infoSource;

    stix_package.add_incident(breach)
    return stix_package
Esempio n. 2
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 def create_stix_identity(self, obj):
     idenfitier = 'ce1sus:Group-{0}'.format(obj.creator_group.uuid)
     if idenfitier in self.seen_groups:
         identity = Identity()
         identity.idref = idenfitier
     else:
         identity = Identity()
         identity.id_ = idenfitier
         identity.name = obj.creator_group.name
         self.seen_groups.append(idenfitier)
     return identity
Esempio n. 3
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def build_stix():
    # setup stix document
    stix_package = STIXPackage()

    # 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 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.effects = Effects("Unintended Access")
    breach.impact_assessment = impact

    # add the victim
    victim = Identity()
    victim.name = "CyberTech Dynamics"
    breach.add_victim(victim)

    # add the impact
    impact = ImpactAssessment()
    impact.effects = Effects("Financial Loss")
    breach.impact_assessment = impact

    stix_package.add_incident(breach)

    return stix_package
def build_stix():
    # setup stix document
    stix_package = STIXPackage()

    # 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 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.effects = Effects("Unintended Access")
    breach.impact_assessment = impact

    # add the victim
    victim = Identity()
    victim.name = "CyberTech Dynamics"
    breach.add_victim(victim)

    # add the impact
    impact = ImpactAssessment()
    impact.effects = Effects("Financial Loss")
    breach.impact_assessment = impact

    stix_package.add_incident(breach)

    return stix_package
Esempio n. 5
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def stix(json):
    """
    Created a stix file based on a json file that is being handed over
    """
    # 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="viper2stix",
        tool_vendor="The Viper group http://viper.li - developed by Alexander Jaeger https://github.com/deralexxx/viper2stix"
    )
        
    #Adding your identity to the header
    identity = Identity()
    identity.name = Config.get('stix', 'producer_name')
    stix_header.information_source.identity=identity
    

    # 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)

    stix_header.title = Config.get('stix', 'title')
    # Set the produced time to now
    stix_header.information_source.time = Time()
    stix_header.information_source.time.produced_time = datetime.now()
    
    
    marking_specification = MarkingSpecification()
    marking_specification.controlled_structure = "../../../descendant-or-self::node()"
    tlp = TLPMarkingStructure()
    tlp.color = Config.get('stix', 'TLP')
    marking_specification.marking_structures.append(tlp)

    handling = Marking()
    handling.add_marking(marking_specification)
    

  

    # Set the header description
    stix_header.description =  Config.get('stix', 'description')

    # Set the STIXPackage header
    stix_package.stix_header = stix_header
    
    stix_package.stix_header.handling = handling
    try:
        pp = pprint.PrettyPrinter(indent=5)
        pp.pprint(json['default'])
        #for key, value in json['default'].iteritems():
        #    print key, value
        for item in json['default']:
            #logger.debug("item %s", item)
            indicator = Indicator()
            indicator.title = "File Hash"
            indicator.description = (
            "An indicator containing a File observable with an associated hash"
            )    
            # Create a CyboX File Object
            f = File()
            
            sha_value = item['sha256']
            if sha_value is not None:    
                sha256 = Hash()
                sha256.simple_hash_value = sha_value   
                h = Hash(sha256, Hash.TYPE_SHA256)
                f.add_hash(h)
            sha1_value = item['sha1']
            if sha_value is not None:    
                sha1 = Hash()
                sha1.simple_hash_value = sha1_value   
                h = Hash(sha1, Hash.TYPE_SHA1)
                f.add_hash(h)
            sha512_value = item['sha512']
            if sha_value is not None:    
                sha512 = Hash()
                sha512.simple_hash_value = sha512_value   
                h = Hash(sha512, Hash.TYPE_SHA512)
                f.add_hash(h)

            f.add_hash(item['md5'])
            
            #adding the md5 hash to the title as well
            stix_header.title+=' '+item['md5']
            #print(item['type'])
            f.size_in_bytes=item['size']
            f.file_format=item['type']
            f.file_name = item['name']
            indicator.description = "File hash served by a Viper instance"
            indicator.add_object(f)
            stix_package.add_indicator(indicator)
    except Exception, e:
        logger.error('Error: %s',format(e))
        return False
# set incident-specific timestamps
breach.time = incidentTime()
breach.title = "The Multi-sig Hack"
breach.time.initial_compromise = datetime.strptime("2017-11-06", "%Y-%m-%d")
breach.time.incident_discovery = datetime.strptime("2017-11-08", "%Y-%m-%d")
#breach.time.restoration_achieved = datetime.strptime("2012-08-10", "%Y-%m-%d")
breach.time.incident_reported = datetime.strptime("2017-11-08", "%Y-%m-%d")

# add the impact
impact = ImpactAssessment()
impact.effects = Effects("Estimated Loss of $280m in Ether")
breach.impact_assessment = impact

# add the victim
victim = Identity()
victim.name = "Cappasity"
breach.add_victim(victim)
victim2 = Identity()
victim2.name = "Who else ?"
breach.add_victim(victim2)

# add Information Sources
infoSource = InformationSource();
infoSource.add_description("https://news.ycombinator.com/item?id=15642856")
infoSource.add_description("https://www.theregister.co.uk/2017/11/10/parity_280m_ethereum_wallet_lockdown_hack/")
breach.Information_Source = infoSource;

stix_package.add_incident(breach)
print(stix_package.to_json())
Esempio n. 7
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def main():

    # get args
    parser = argparse.ArgumentParser ( description = "Parse a given CSV from Shadowserver and output STIX XML to stdout"
    , formatter_class=argparse.ArgumentDefaultsHelpFormatter )

    parser.add_argument("--infile","-f", help="input CSV with bot data", default = "bots.csv")

    args = parser.parse_args()


    # setup stix document
    stix_package = STIXPackage()
    stix_header = STIXHeader()
    stix_header.title = "Bot Server IP addresses"
    stix_header.description = "IP addresses connecting to bot control servers at a given port"
    stix_header.add_package_intent ("Indicators - Watchlist")

    # add marking
    mark = Marking()
    markspec = MarkingSpecification()
    markstruct = SimpleMarkingStructure()
    markstruct.statement = "Usage of this information, including integration into security mechanisms implies agreement with the Shadowserver Terms of Service  available at  https://www.shadowserver.org/wiki/pmwiki.php/Shadowserver/TermsOfService"
    markspec.marking_structures.append(markstruct)
    mark.add_marking(markspec)

    stix_header.handling = mark

    # include author info
    stix_header.information_source = InformationSource()
    stix_header.information_source.time = Time()
    stix_header.information_source.time.produced_time  =datetime.now(tzutc())
    stix_header.information_source.tools = ToolInformationList()
    stix_header.information_source.tools.append("ShadowBotnetIP-STIXParser")
    stix_header.information_source.identity = Identity()
    stix_header.information_source.identity.name = "MITRE STIX Team"
    stix_header.information_source.add_role(VocabString("Format Transformer"))

    src = InformationSource()
    src.description = "https://www.shadowserver.org/wiki/pmwiki.php/Services/Botnet-CCIP"
    srcident = Identity()
    srcident.name = "shadowserver.org"
    src.identity = srcident
    src.add_role(VocabString("Originating Publisher"))
    stix_header.information_source.add_contributing_source(src)

    stix_package.stix_header = stix_header

    # add TTP for overall indicators
    bot_ttp = TTP()
    bot_ttp.title = 'Botnet C2'
    bot_ttp.resources = Resource()
    bot_ttp.resources.infrastructure = Infrastructure()
    bot_ttp.resources.infrastructure.title = 'Botnet C2'

    stix_package.add_ttp(bot_ttp)

    # read input data
    fd = open (args.infile, "rb") 
    infile = csv.DictReader(fd)

    for row in infile:
    # split indicators out, may be 1..n with positional storage, same port and channel, inconsistent delims
        domain = row['Domain'].split()
        country = row['Country'].split()
        region = row['Region'].split('|')
        state = row['State'].split('|')
        asn = row['ASN'].split()
        asname = row['AS Name'].split()
        asdesc = row['AS Description'].split('|')

        index = 0
        for ip in row['IP Address'].split():
            indicator = Indicator()
            indicator.title = "IP indicator for " + row['Channel'] 
            indicator.description = "Bot connecting to control server"


            # point to overall TTP
            indicator.add_indicated_ttp(TTP(idref=bot_ttp.id_))

            # add our IP and port
            sock = SocketAddress()
            sock.ip_address = ip

            # add sighting
            sight = Sighting()
            sight.timestamp = ""
            obs = Observable(item=sock.ip_address)
            obsref = Observable(idref=obs.id_)
            sight.related_observables.append(obsref)
            indicator.sightings.append(sight)

            stix_package.add_observable(obs)

            # add pattern for indicator
            sock_pattern = SocketAddress()
            sock_pattern.ip_address = ip
            port = Port()
            port.port_value = row['Port']
            sock_pattern.port = port

            sock_pattern.ip_address.condition= "Equals"
            sock_pattern.port.port_value.condition= "Equals"

            indicator.add_object(sock_pattern)
            stix_package.add_indicator(indicator)
            
            # add domain
            domain_obj = DomainName()
            domain_obj.value = domain[index]
            domain_obj.add_related(sock.ip_address,"Resolved_To", inline=False)

            stix_package.add_observable(domain_obj)

            # add whois obs
            whois_obj = WhoisEntry()
            registrar = WhoisRegistrar()
            registrar.name = asname[index] 
            registrar.address = state[index] + region[index] + country[index]

            whois_obj.registrar_info = registrar 
            whois_obj.add_related(sock.ip_address,"Characterizes", inline=False)

            stix_package.add_observable(whois_obj)
            
            # add ASN obj
            asn_obj = AutonomousSystem()
            asn_obj.name = asname[index] 
            asn_obj.number = asn[index]
            asn_obj.handle = "AS" + str(asn[index])
            asn_obj.add_related(sock.ip_address,"Contains", inline=False)

            stix_package.add_observable(asn_obj)

            # iterate 
            index = index + 1

    print stix_package.to_xml()