def main():
pkg = STIXPackage()
vuln = Vulnerability()
vuln.cve_id = "CVE-2013-3893"
vuln.add_reference(
"https://technet.microsoft.com/library/security/2887505")
et = ExploitTarget(title="Javascript vulnerability in MSIE 6-11")
et.add_vulnerability(vuln)
pkg.add_exploit_target(et)
print(pkg.to_xml(encoding=None))
def main():
stix_package = STIXPackage()
# Build the Exploit Target
vuln = Vulnerability()
vuln.cve_id = "CVE-2014-0160"
vuln.add_reference("http://heartbleed.com/")
et = ExploitTarget(title="Heartbleed")
et.add_vulnerability(vuln)
stix_package.add_exploit_target(et)
# Build the TTP
ttp = TTP(title="Generic Heartbleed Exploits")
ttp.exploit_targets.append(ExploitTarget(idref=et.id_))
stix_package.add_ttp(ttp)
# Build the indicator
indicator = Indicator(title="Snort Signature for Heartbleed")
indicator.confidence = Confidence("High")
tm = SnortTestMechanism()
tm.rules = [
"""alert tcp any any -> any any (msg:"FOX-SRT - Flowbit - TLS-SSL Client Hello"; flow:established; dsize:< 500; content:"|16 03|"; depth:2; byte_test:1, <=, 2, 3; byte_test:1, !=, 2, 1; content:"|01|"; offset:5; depth:1; content:"|03|"; offset:9; byte_test:1, <=, 3, 10; byte_test:1, !=, 2, 9; content:"|00 0f 00|"; flowbits:set,foxsslsession; flowbits:noalert; threshold:type limit, track by_src, count 1, seconds 60; reference:cve,2014-0160; classtype:bad-unknown; sid: 21001130; rev:9;)""",
"""alert tcp any any -> any any (msg:"FOX-SRT - Suspicious - TLS-SSL Large Heartbeat Response"; flow:established; flowbits:isset,foxsslsession; content:"|18 03|"; depth: 2; byte_test:1, <=, 3, 2; byte_test:1, !=, 2, 1; byte_test:2, >, 200, 3; threshold:type limit, track by_src, count 1, seconds 600; reference:cve,2014-0160; classtype:bad-unknown; sid: 21001131; rev:5;)"""
]
tm.efficacy = "Low"
tm.producer = InformationSource(identity=Identity(name="FOX IT"))
tm.producer.references = [
"http://blog.fox-it.com/2014/04/08/openssl-heartbleed-bug-live-blog/"
]
indicator.test_mechanisms = TestMechanisms([tm])
indicator.add_indicated_ttp(TTP(idref=ttp.id_))
stix_package.add_indicator(indicator)
print(stix_package.to_xml(encoding=None))
def main():
stix_package = STIXPackage()
# Build the Exploit Target
vuln = Vulnerability()
vuln.cve_id = "CVE-2014-0160"
vuln.add_reference("http://heartbleed.com/")
et = ExploitTarget(title="Heartbleed")
et.add_vulnerability(vuln)
stix_package.add_exploit_target(et)
# Build the TTP
ttp = TTP(title="Generic Heartbleed Exploits")
ttp.exploit_targets.append(ExploitTarget(idref=et.id_))
stix_package.add_ttp(ttp)
# Build the indicator
indicator = Indicator(title="Snort Signature for Heartbleed")
indicator.confidence = Confidence("High")
tm = SnortTestMechanism()
tm.rules = [
"""alert tcp any any -> any any (msg:"FOX-SRT - Flowbit - TLS-SSL Client Hello"; flow:established; dsize:< 500; content:"|16 03|"; depth:2; byte_test:1, <=, 2, 3; byte_test:1, !=, 2, 1; content:"|01|"; offset:5; depth:1; content:"|03|"; offset:9; byte_test:1, <=, 3, 10; byte_test:1, !=, 2, 9; content:"|00 0f 00|"; flowbits:set,foxsslsession; flowbits:noalert; threshold:type limit, track by_src, count 1, seconds 60; reference:cve,2014-0160; classtype:bad-unknown; sid: 21001130; rev:9;)""",
"""alert tcp any any -> any any (msg:"FOX-SRT - Suspicious - TLS-SSL Large Heartbeat Response"; flow:established; flowbits:isset,foxsslsession; content:"|18 03|"; depth: 2; byte_test:1, <=, 3, 2; byte_test:1, !=, 2, 1; byte_test:2, >, 200, 3; threshold:type limit, track by_src, count 1, seconds 600; reference:cve,2014-0160; classtype:bad-unknown; sid: 21001131; rev:5;)"""
]
tm.efficacy = "Low"
tm.producer = InformationSource(identity=Identity(name="FOX IT"))
tm.producer.references = ["http://blog.fox-it.com/2014/04/08/openssl-heartbleed-bug-live-blog/"]
indicator.test_mechanisms = TestMechanisms([tm])
indicator.add_indicated_ttp(TTP(idref=ttp.id_))
stix_package.add_indicator(indicator)
print(stix_package.to_xml(encoding=None))
