def domain_hosts(domain):
try:
hosts = resolve_domain(domain)
except LookupException as e:
logger.error("Error performing domain resolution for domain '%s': %s",
domain, e.message)
return
if type(hosts) == list:
record_type = RecordType.HR
record_source = RecordSource.DNS
for host in hosts:
ip_location = geolocate_ip(host)
https_cert = lookup_ip_censys_https(host)
info = OrderedDict({
"geo_location": ip_location,
"https_cert": https_cert,
"ip": host,
"domain": domain
})
try:
save_record(record_type, record_source, info, domain)
except Exception:
logger.exception("Error saving %s (%s) record from %s",
record_type.name, record_type.title,
record_source.title)
def domain_hosts(self, domain):
current_time = datetime.datetime.utcnow()
hosts = resolve_domain(domain)
source = "DNS Query"
if hosts:
HostRecord.objects.bulk_create([
HostRecord(domain_name=domain,
ip_address=host,
ip_location=geolocate_ip(host),
resolution_date=current_time,
resolution_source=source,
query_keyword=domain,
query_date=current_time) for host in hosts
])
def domain_hosts(self, domain):
current_time = datetime.datetime.utcnow()
hosts = resolve_domain(domain)
if type(hosts) == list:
for host in hosts:
ip_location = geolocate_ip(host)
try:
record_entry = IndicatorRecord(record_type="HR",
info_source="DNS",
info_date=current_time,
info=OrderedDict({"geo_location": ip_location,
"ip": host, "domain": domain}))
record_entry.save()
except Exception as e:
print(e)
def domain_hosts(domain):
hosts = resolve_domain(domain)
if type(hosts) == list:
record_type = RecordType.HR
record_source = RecordSource.DNS
for host in hosts:
ip_location = geolocate_ip(host)
https_cert = lookup_ip_censys_https(host)
info = OrderedDict({"geo_location": ip_location,
"https_cert": https_cert,
"ip": host, "domain": domain})
try:
save_record(record_type,
record_source,
info)
except Exception:
logger.exception("Error saving %s (%s) record from %s",
record_type.name,
record_type.title,
record_source.title)
def run(self, **kwargs):
start_timestamp = datetime.datetime.utcnow()
minute_timestamp = start_timestamp.strftime('%Y-%m-%d %H:%M')
self.current_time = datetime.datetime.strptime(minute_timestamp, '%Y-%m-%d %H:%M')
self.desired_time = self.current_time + datetime.timedelta(minutes=1)
# Check for any overdue lookups
self.check_overdue()
# Compile list of domains to resolve based on lookup time
domain_lookups = DomainMonitor.objects.filter(next_lookup__gte=self.current_time,
next_lookup__lte=self.desired_time)
for lookup in domain_lookups:
last_hosts = lookup.last_hosts
domain_resolutions = resolve_domain(lookup.domain_name)
if domain_resolutions:
HostRecord.objects.bulk_create([
HostRecord(domain_name=lookup.domain_name,
ip_address=host,
resolution_date=self.current_time,
resolution_source="DNS Query",
query_keyword=lookup.domain_name,
query_date=self.current_time) for host in domain_resolutions
])
if domain_resolutions and last_hosts:
# Check for new or missing hosts since last lookup
missing_hosts = list(set(last_hosts).difference(domain_resolutions))
new_hosts = list(set(domain_resolutions).difference(last_hosts))
# Sanitize domain name for safe email content
sanitized_domain = lookup.domain_name.replace('.', '[.]')
# Compile list of recipients for a given domain
email_recipients = User.objects.filter(domain_list__contains=[lookup.domain_name],
alerts=True).values_list('email', flat=True)
# Compose alert and email content for hosting changes
if missing_hosts and new_hosts:
sanitized_missing = [host.replace('.', '[.]') for host in missing_hosts]
sanitized_new = [host.replace('.', '[.]') for host in new_hosts]
alert_text = 'Removed hosts: %s' % ', '.join(missing_hosts)
self.create_alert(lookup.domain_name, alert_text)
alert_text = 'New hosts: %s' % ', '.join(new_hosts)
self.create_alert(lookup.domain_name, alert_text)
email_subject = 'IP Address Changes for ' + sanitized_domain
email_body = """ DNS lookup performed at %s indicates that the tracked
domain %s has dropped the following IP addresses: %s
and has added the following IP addresses: %s
""" % (str(self.current_time), sanitized_domain,
sanitized_missing, sanitized_new)
deliver_email.delay(email_subject, email_body, email_recipients)
elif missing_hosts:
sanitized_missing = [host.replace('.', '[.]') for host in missing_hosts]
alert_text = 'Removed hosts: %s' % ', '.join(missing_hosts)
self.create_alert(lookup.domain_name, alert_text)
email_subject = 'IP Address Drops for ' + sanitized_domain
email_body = """ DNS lookup performed at %s indicates that the tracked
domain %s has dropped the following IP addresses: %s
""" % (str(self.current_time), sanitized_domain, sanitized_missing)
deliver_email.delay(email_subject, email_body, email_recipients)
elif new_hosts:
sanitized_new = [host.replace('.', '[.]') for host in new_hosts]
alert_text = 'New hosts: %s' % ', '.join(new_hosts)
self.create_alert(lookup.domain_name, alert_text)
email_subject = 'IP Address Additions for ' + sanitized_domain
email_body = """ DNS lookup performed at %s indicates that the tracked
domain %s has changed to the following IP addresses: %s
""" % (str(self.current_time), sanitized_domain, sanitized_new)
deliver_email.delay(email_subject, email_body, email_recipients)
# Update entry information
lookup.last_hosts = domain_resolutions
lookup.last_lookup = self.current_time
lookup.next_lookup = self.current_time + datetime.timedelta(hours=lookup.lookup_interval)
lookup.save()
def run(self, **kwargs):
start_timestamp = datetime.datetime.utcnow()
minute_timestamp = start_timestamp.strftime('%Y-%m-%d %H:%M')
current_time = datetime.datetime.strptime(minute_timestamp,
'%Y-%m-%d %H:%M')
desired_time = current_time + datetime.timedelta(minutes=1)
# Check for overdue domain monitors
overdue_domains = DomainMonitor.objects.filter(
next_lookup__lt=current_time)
for overdue_domain in overdue_domains:
overdue_domain.next_lookup = current_time + datetime.timedelta(
minutes=5)
overdue_domain.save()
# Check for overdue IP address monitors
overdue_ips = IpMonitor.objects.filter(next_lookup__lt=current_time)
for overdue_ip in overdue_ips:
overdue_ip.next_lookup = current_time + datetime.timedelta(
minutes=5)
overdue_ip.save()
# Compile list of domains to resolve based on lookup time
domain_lookups = DomainMonitor.objects.filter(
next_lookup__gte=current_time, next_lookup__lte=desired_time)
# Compile list of IP addresses to resolve based on lookup time
ip_lookups = IpMonitor.objects.filter(next_lookup__gte=current_time,
next_lookup__lte=desired_time)
# Lookup domain resolutions
for domain_lookup in domain_lookups:
owner = domain_lookup.owner
last_hosts = domain_lookup.last_hosts
domain_resolutions = resolve_domain(domain_lookup.domain_name)
if type(domain_resolutions) == list:
for host in domain_resolutions:
ip_location = geolocate_ip(host)
try:
record_entry = IndicatorRecord(
record_type="HR",
info_source="DNS",
info_date=current_time,
info={
"geo_location": ip_location,
"ip": host,
"domain": domain_lookup.domain_name
})
record_entry.save()
except:
pass
if domain_resolutions and last_hosts:
# Check for new or missing hosts since last lookup
missing_hosts = list(
set(last_hosts).difference(domain_resolutions))
new_hosts = list(
set(domain_resolutions).difference(last_hosts))
# Sanitize domain name for safe email content
sanitized_domain = domain_lookup.domain_name.replace(
'.', '[.]')
email_recipient = [owner.email]
# Compose alert and email content for hosting changes
if missing_hosts and new_hosts:
sanitized_missing = [
host.replace('.', '[.]') for host in missing_hosts
]
sanitized_new = [
host.replace('.', '[.]') for host in new_hosts
]
alert_text = 'Removed hosts: %s' % ', '.join(
missing_hosts)
self.create_alert(domain_lookup.domain_name,
alert_text, owner)
alert_text = 'New hosts: %s' % ', '.join(new_hosts)
self.create_alert(domain_lookup.domain_name,
alert_text, owner)
email_subject = 'IP Address Changes for ' + sanitized_domain
email_body = """ DNS lookup performed at %s indicates that the tracked
domain %s has dropped the following IP addresses: %s
and has added the following IP addresses: %s
""" % (str(current_time),
sanitized_domain,
sanitized_missing, sanitized_new)
deliver_email.delay(email_subject, email_body,
email_recipient)
elif missing_hosts:
sanitized_missing = [
host.replace('.', '[.]') for host in missing_hosts
]
alert_text = 'Removed hosts: %s' % ', '.join(
missing_hosts)
self.create_alert(domain_lookup.domain_name,
alert_text, owner)
email_subject = 'IP Address Drops for ' + sanitized_domain
email_body = """ DNS lookup performed at %s indicates that the tracked
domain %s has dropped the following IP addresses: %s
""" % (str(current_time),
sanitized_domain,
sanitized_missing)
deliver_email.delay(email_subject, email_body,
email_recipient)
elif new_hosts:
sanitized_new = [
host.replace('.', '[.]') for host in new_hosts
]
alert_text = 'New hosts: %s' % ', '.join(new_hosts)
self.create_alert(domain_lookup.domain_name,
alert_text, owner)
email_subject = 'IP Address Additions for ' + sanitized_domain
email_body = """ DNS lookup performed at %s indicates that the tracked
domain %s has changed to the following IP addresses: %s
""" % (str(current_time),
sanitized_domain, sanitized_new)
deliver_email.delay(email_subject, email_body,
email_recipient)
else:
alert_text = domain_resolutions
self.create_alert(domain_lookup.domain_name, alert_text, owner)
# Update entry information
domain_lookup.last_hosts = domain_resolutions
domain_lookup.next_lookup = current_time + datetime.timedelta(
hours=domain_lookup.lookup_interval)
domain_lookup.save()
# Lookup IP address resolutions
scraper = RobtexScraper()
for ip_lookup in ip_lookups:
owner = ip_lookup.owner
last_hosts = ip_lookup.last_hosts
ip_resolutions = scraper.run(ip_lookup.ip_address)
ip_location = geolocate_ip(ip_lookup.ip_address)
if type(ip_resolutions) == list:
for host in ip_resolutions:
try:
record_entry = IndicatorRecord(
record_type="HR",
info_source="REX",
info_date=current_time,
info={
"geo_location": ip_location,
"ip": ip_lookup.ip_address,
"domain": host
})
record_entry.save()
except:
pass
if ip_resolutions and last_hosts:
# Check for new or missing hosts since last lookup
missing_hosts = list(
set(last_hosts).difference(ip_resolutions))
new_hosts = list(
set(ip_resolutions).difference(last_hosts))
# Sanitize ip address for safe email content
sanitized_ip = ip_lookup.ip_address.replace('.', '[.]')
email_recipient = [owner.email]
# Compose alert and email content for hosting changes
if missing_hosts and new_hosts:
sanitized_missing = [
host.replace('.', '[.]') for host in missing_hosts
]
sanitized_new = [
host.replace('.', '[.]') for host in new_hosts
]
alert_text = 'Removed hosts: %s' % ', '.join(
missing_hosts)
self.create_alert(ip_lookup.ip_address, alert_text,
owner)
alert_text = 'New hosts: %s' % ', '.join(new_hosts)
self.create_alert(ip_lookup.ip_address, alert_text,
owner)
email_subject = 'Domain Changes for ' + sanitized_ip
email_body = """ IP lookup performed at %s indicates that the tracked
IP address %s has dropped the following domains: %s
and has added the following domains: %s
""" % (str(current_time), sanitized_ip,
sanitized_missing, sanitized_new)
deliver_email.delay(email_subject, email_body,
email_recipient)
elif missing_hosts:
sanitized_missing = [
host.replace('.', '[.]') for host in missing_hosts
]
alert_text = 'Removed hosts: %s' % ', '.join(
missing_hosts)
self.create_alert(ip_lookup.ip_address, alert_text,
owner)
email_subject = 'Domain Drops for ' + sanitized_ip
email_body = """ IP lookup performed at %s indicates that the tracked
IP address %s has dropped the following domains: %s
""" % (str(current_time), sanitized_ip,
sanitized_missing)
deliver_email.delay(email_subject, email_body,
email_recipient)
elif new_hosts:
sanitized_new = [
host.replace('.', '[.]') for host in new_hosts
]
alert_text = 'New hosts: %s' % ', '.join(new_hosts)
self.create_alert(ip_lookup.ip_address, alert_text,
owner)
email_subject = 'Domain Additions for ' + sanitized_ip
email_body = """ IP lookup performed at %s indicates that the tracked
IP address %s has added the following domains: %s
""" % (str(current_time), sanitized_ip,
sanitized_new)
deliver_email.delay(email_subject, email_body,
email_recipient)
else:
alert_text = ip_resolutions
self.create_alert(ip_lookup.ip_address, alert_text, owner)
# Update entry information
ip_lookup.last_hosts = ip_resolutions
ip_lookup.next_lookup = current_time + datetime.timedelta(
hours=ip_lookup.lookup_interval)
ip_lookup.save()
def run(self, **kwargs):
start_timestamp = datetime.datetime.utcnow()
minute_timestamp = start_timestamp.strftime('%Y-%m-%d %H:%M')
current_time = datetime.datetime.strptime(minute_timestamp, '%Y-%m-%d %H:%M')
desired_time = current_time + datetime.timedelta(minutes=1)
# Check for overdue domain monitors
overdue_domains = DomainMonitor.objects.filter(next_lookup__lt=current_time)
for overdue_domain in overdue_domains:
overdue_domain.next_lookup = current_time + datetime.timedelta(minutes=5)
overdue_domain.save()
# Check for overdue IP address monitors
overdue_ips = IpMonitor.objects.filter(next_lookup__lt=current_time)
for overdue_ip in overdue_ips:
overdue_ip.next_lookup = current_time + datetime.timedelta(minutes=5)
overdue_ip.save()
# Compile list of domains to resolve based on lookup time
domain_lookups = DomainMonitor.objects.filter(next_lookup__gte=current_time,
next_lookup__lte=desired_time)
# Compile list of IP addresses to resolve based on lookup time
ip_lookups = IpMonitor.objects.filter(next_lookup__gte=current_time,
next_lookup__lte=desired_time)
# Lookup domain resolutions
for domain_lookup in domain_lookups:
owner = domain_lookup.owner
last_hosts = domain_lookup.last_hosts
domain_resolutions = resolve_domain(domain_lookup.domain_name)
if type(domain_resolutions) == list:
for host in domain_resolutions:
ip_location = geolocate_ip(host)
try:
record_entry = IndicatorRecord(record_type="HR",
info_source="DNS",
info_date=current_time,
info={"geo_location": ip_location,
"ip": host, "domain": domain_lookup.domain_name})
record_entry.save()
except:
pass
if domain_resolutions and last_hosts:
# Check for new or missing hosts since last lookup
missing_hosts = list(set(last_hosts).difference(domain_resolutions))
new_hosts = list(set(domain_resolutions).difference(last_hosts))
# Sanitize domain name for safe email content
sanitized_domain = domain_lookup.domain_name.replace('.', '[.]')
email_recipient = [owner.email]
# Compose alert and email content for hosting changes
if missing_hosts and new_hosts:
sanitized_missing = [host.replace('.', '[.]') for host in missing_hosts]
sanitized_new = [host.replace('.', '[.]') for host in new_hosts]
alert_text = 'Removed hosts: %s' % ', '.join(missing_hosts)
self.create_alert(domain_lookup.domain_name, alert_text, owner)
alert_text = 'New hosts: %s' % ', '.join(new_hosts)
self.create_alert(domain_lookup.domain_name, alert_text, owner)
email_subject = 'IP Address Changes for ' + sanitized_domain
email_body = """ DNS lookup performed at %s indicates that the tracked
domain %s has dropped the following IP addresses: %s
and has added the following IP addresses: %s
""" % (str(current_time), sanitized_domain,
sanitized_missing, sanitized_new)
deliver_email.delay(email_subject, email_body, email_recipient)
elif missing_hosts:
sanitized_missing = [host.replace('.', '[.]') for host in missing_hosts]
alert_text = 'Removed hosts: %s' % ', '.join(missing_hosts)
self.create_alert(domain_lookup.domain_name, alert_text, owner)
email_subject = 'IP Address Drops for ' + sanitized_domain
email_body = """ DNS lookup performed at %s indicates that the tracked
domain %s has dropped the following IP addresses: %s
""" % (str(current_time), sanitized_domain, sanitized_missing)
deliver_email.delay(email_subject, email_body, email_recipient)
elif new_hosts:
sanitized_new = [host.replace('.', '[.]') for host in new_hosts]
alert_text = 'New hosts: %s' % ', '.join(new_hosts)
self.create_alert(domain_lookup.domain_name, alert_text, owner)
email_subject = 'IP Address Additions for ' + sanitized_domain
email_body = """ DNS lookup performed at %s indicates that the tracked
domain %s has changed to the following IP addresses: %s
""" % (str(current_time), sanitized_domain, sanitized_new)
deliver_email.delay(email_subject, email_body, email_recipient)
else:
alert_text = domain_resolutions
self.create_alert(domain_lookup.domain_name, alert_text, owner)
# Update entry information
domain_lookup.last_hosts = domain_resolutions
domain_lookup.next_lookup = current_time + datetime.timedelta(hours=domain_lookup.lookup_interval)
domain_lookup.save()
# Lookup IP address resolutions
scraper = RobtexScraper()
for ip_lookup in ip_lookups:
owner = ip_lookup.owner
last_hosts = ip_lookup.last_hosts
ip_resolutions = scraper.run(ip_lookup.ip_address)
ip_location = geolocate_ip(ip_lookup.ip_address)
if type(ip_resolutions) == list:
for host in ip_resolutions:
try:
record_entry = IndicatorRecord(record_type="HR",
info_source="REX",
info_date=current_time,
info={"geo_location": ip_location,
"ip": ip_lookup.ip_address, "domain": host})
record_entry.save()
except:
pass
if ip_resolutions and last_hosts:
# Check for new or missing hosts since last lookup
missing_hosts = list(set(last_hosts).difference(ip_resolutions))
new_hosts = list(set(ip_resolutions).difference(last_hosts))
# Sanitize ip address for safe email content
sanitized_ip = ip_lookup.ip_address.replace('.', '[.]')
email_recipient = [owner.email]
# Compose alert and email content for hosting changes
if missing_hosts and new_hosts:
sanitized_missing = [host.replace('.', '[.]') for host in missing_hosts]
sanitized_new = [host.replace('.', '[.]') for host in new_hosts]
alert_text = 'Removed hosts: %s' % ', '.join(missing_hosts)
self.create_alert(ip_lookup.ip_address, alert_text, owner)
alert_text = 'New hosts: %s' % ', '.join(new_hosts)
self.create_alert(ip_lookup.ip_address, alert_text, owner)
email_subject = 'Domain Changes for ' + sanitized_ip
email_body = """ IP lookup performed at %s indicates that the tracked
IP address %s has dropped the following domains: %s
and has added the following domains: %s
""" % (str(current_time), sanitized_ip,
sanitized_missing, sanitized_new)
deliver_email.delay(email_subject, email_body, email_recipient)
elif missing_hosts:
sanitized_missing = [host.replace('.', '[.]') for host in missing_hosts]
alert_text = 'Removed hosts: %s' % ', '.join(missing_hosts)
self.create_alert(ip_lookup.ip_address, alert_text, owner)
email_subject = 'Domain Drops for ' + sanitized_ip
email_body = """ IP lookup performed at %s indicates that the tracked
IP address %s has dropped the following domains: %s
""" % (str(current_time), sanitized_ip, sanitized_missing)
deliver_email.delay(email_subject, email_body, email_recipient)
elif new_hosts:
sanitized_new = [host.replace('.', '[.]') for host in new_hosts]
alert_text = 'New hosts: %s' % ', '.join(new_hosts)
self.create_alert(ip_lookup.ip_address, alert_text, owner)
email_subject = 'Domain Additions for ' + sanitized_ip
email_body = """ IP lookup performed at %s indicates that the tracked
IP address %s has added the following domains: %s
""" % (str(current_time), sanitized_ip, sanitized_new)
deliver_email.delay(email_subject, email_body, email_recipient)
else:
alert_text = ip_resolutions
self.create_alert(ip_lookup.ip_address, alert_text, owner)
# Update entry information
ip_lookup.last_hosts = ip_resolutions
ip_lookup.next_lookup = current_time + datetime.timedelta(hours=ip_lookup.lookup_interval)
ip_lookup.save()