Tech Support

t

Support Options

For technical questions, please email support (at) malwarepatrol.net.

If you are a commercial customer, contact your Account Manager for assistance.

General questions or inquiries can be submitted using our contact form.

For commercial data inquiries, visit our services page to determine the best option for your needs. Or, schedule a chat with us here.

Configuration Guides

We offer configuration guides for the tools listed below. To earn a free Basic Guard blocklist account – for non-commercial purposes only – send us set-up instructions for a different software/tool that we can feature on this page. Use our contact form for this purpose.

For additional assistance configuring our block lists and data feeds for your favorite software, send an email to support (at) malwarepatrol.net.

BIND9 RPZ - DNS Firewall

BIND is the world’s most used DNS server and can be configured as a DNS Firewall using RPZ zone files. Response Policy Zone (RPZ) enables DNS administrators to selectively block name resolution of Internet resources known to be used by cyber criminals.

Malware Patrol provides seven zone files compatible with BIND9 RPZ:

– COVID-19 Newly Registered Domains
– Cryptominers
– DGAs
– DNS-over-HTTPS Servers
– Malware
– Phishing

DNS queries for domains in these zones return a special page that advises users why the access was blocked. You can implement any or all zone files at your discretion. Follow these simple steps to configure your BIND9 instance and protect the internal network, computers and users.

Please be advised that the usage of the “malware” RPZ zone may result in blocking large well known websites that are actively hosting malware and ransomware samples. The use of the “DGAs” and “C&Cs” zone files is less likely to deny access to renowned websites.

1) Make sure your BIND9 is installed and working properly. There are several resources on the Internet that can help you install it depending on your platform. If you are experiencing trouble, start at: https://www.isc.org/downloads/bind/. You should also be able to use distribution specific tools like apt-get and yum. For example: apt-get install bind9.

2) Determine the path to the configuration files used by BIND. This most likely will be /etc/bind or /etc/named. One way to find the path is to issue this command: find / -name named.conf

3) Notice: the path /etc/bind will be used throughout this How To, please adapt the commands shown here appropriately if your path is different.

4) Change to the directory that contains BIND configuration files, for example: cd /etc/bind

5) Set up cron jobs to regularly download the appropriate zone file(s) to the BIND configuration directory. URLs for the zone files can be found in your Business Protect data feeds page. The DNS RPZ Firewall data feeds are updated every hour. You can use the MD5 hashes to validate the file’s integrity.

Add the following lines to “named.conf.default”-zones, according to the zones you want to use:

zone "mp_rpz_c2" {
type master;
file "/etc/bind/mp_rpz_c2.db";
};

zone "mp_rpz_dga" {
type master;
file "/etc/bind/mp_rpz_dga.db";
};

zone "mp_rpz_malware" {
type master;
file "/etc/bind/mp_rpz_malware.db";
};

Add the following lines to “named.conf.options” under the “options” section, according to the zones you want to use:

response-policy {
zone "mp_rpz_c2";    zone "mp_rpz_dga";    zone "mp_rpz_malware"; };

Restart BIND with the following command: service bind9 restart

To make this set up effective, you should configure your customers’ DNS server(s) to point to this BIND instance. This can be easily achieved via DHCP. Still, customers may manually configure their systems to use external DNS servers, therefore bypassing this protection mechanism. To avoid that, apply firewall rules that properly deny traffic to external DNS servers.

This should be all you need to do. After that, browsers and applications that query your DNS server to resolve malicious domains will receive a safe response and will not reach bad content.

If you experience any difficulties configuring BIND9 to use Malware Patrol, please make sure it is working properly and contact our tech support at support (@) malwarepatrol.net.

BIND9

Bind is the world’s most used DNS server.

Malware Patrol provides a zone file compatible with Bind9. Its usage as a DNSBL (DNS blacklist) denies access to domains that are involved in malware and ransomware activities. DNS queries for malicious domains return the loopback address (127.0.0.1) preventing access to download malicious binaries, to relay stolen data and to contact command and control servers. You can follow these simple steps to configure your Bind9 instance and protect the internal network, computers and users from getting infected by malware.

Please be advised that we have noticed that Bind on CentOS 7 is somehow limited in the number of zones it can load and therefore doesn’t work well with our blocklist. If you experience trouble loading the zone file, Bind exists unexpectedly, this may be the reason, contact our tech support.

1) Make sure your Bind9 is installed and working properly. There are several resources on the Internet that can help you install it depending on your platform. If you are experiencing trouble, start at: https://www.isc.org/downloads/bind/. You should also be able to use distribution specific tools like apt-get and yum. For example: apt-get install bind9.

2) Determine the path to the configuration files used by Bind. This most likely will be /etc/bind or /etc/named. One way to find the path is to issue this command: find / -name named.conf

3) Notice: the path /etc/bind will be used throughout this How-To, please adapt the commands shown here appropriately if your path is different.

4) Change to the directory that contains Bind configuration files, for example: cd /etc/bind

5) Download Malware Patrol’s zone file:

wget -O /etc/bind/blackhole.malwarepatrol.zone ‘https://malwarepatrol.net/pub/20160707/blackhole.malwarepatrol.zone’

6) Add the following line to the end of the file /etc/bind/named.conf

include “/etc/bind/blackhole.malwarepatrol.conf”;

7) Execute the first update:

/usr/bin/wget –no-check-certificate -qO- ‘_URL_TO_BIND_BLOCK_LIST_’ | sed ‘s/mbl.zone.file//etc/bind/blackhole.malwarepatrol.zone/g’ > /etc/bind/blackhole.malwarepatrol.conf

notice 1: don’t forget to change the command line if your path is not /etc/bind

notice 2: don’t forget to change the _URL_TO_BIND_BLOCK_LIST_ paramenter to your custom URL. To find the correct address, log in to your account, right click on the “download” link for the Bind blocklist and choose “Copy link location”

8) Restart Bind with the following command: service bind9 restart

9) Configure a new cronjob to update the Bind zone every hour:

MM * * * * /usr/bin/wget –no-check-certificate -qO- ‘_URL_TO_BIND_BLOCK_LIST_’ | sed ‘s/mbl.zone.file//etc/bind/blackhole.malwarepatrol.zone/g’ > /etc/bind/blackhole.malwarepatrol.conf ; service bind9 restart

To make this set up effective, you should configure your customers’ DNS server(s) to point to the new Bind. This can be easily achieved via DHCP. Still, customers may manually configure their systems to use external DNS servers, therefore bypassing this protection mechanism. To avoid that, apply firewall rules that properly deny traffic to external DNS servers.

If you experience any difficulties configuring Bind9 to use Malware Patrol, please make sure it is working properly and contact our tech support at support (@) malwarepatrol.net.

Cisco ASA FirePOWER

“With Cisco ASA with FirePOWER Services, you consolidate multiple security layers in a single platform, eliminating the cost of buying and managing multiple solutions. This integrated approach combines best- in-class security technology with multilayer protection integrated in a single device that is less costly than piecemeal security solutions.” (http://www.cisco.com/c/dam/en/us/products/collateral/security/asa-firepower-services/at-a-glance-c45-732426.pdf)

Malware Patrol provides threat data compatible with Cisco ASA FirePOWER security intelligence feeds. There are three types of feeds that can be applied:

  • IP addresses: includes IP addresses of malware C&Cs as well as those resolved from malware and ransomware DGAs.

  • URLs: includes partial URLs used by malware and ransomware to contact command and control systems and drop zones.

  • Domains: includes registered active domains generated via DGAs for malware and ransomware.

You can follow these simple steps to configure your Cisco ASA FirePOWER to filter malicious IPs and protect the internal network, computers and users from getting infected by malware. The same procedure can be followed to filter URLs and domains.

 

1) Log in to Cisco FirePOWER Management Center.

Cisco Firepower Login

 

2) Choose Objects > Object Management.

Cisco Firepower Objects

 

 

 

 

 

 

 

 

 

 

 

 

 

3) Expand the Security Intelligence node, then choose Network Lists and Feeds.

 

4) Click Add Network Lists and Feeds.

5) Enter a name for the feed (ex: MalwarePatrol_malicious_IPs).

6) Choose Feed from the Type drop-down list.

7) Enter the corresponding feed URL that can be found logging in to the Malware Patrol website.

8) Enter the corresponding feed MD5 URL that can be found logging in to the Malware Patrol website.

9) Choose the Update Frequency, we suggest one hour.

10) Choose Save.

Cisco Firepower

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11) Click Update Feeds.

 

 

 

12) Cisco ASA FirePOWER will automatically update the data feed at the chosen interval.

13) Choose Policies / Access Control and click New Policy.

Cisco Firepower

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14) Enter a meaningful Name and Description to the policy. The Default Actionmust be Block all traffic. On Available Devices select the devices that will be affected by the policy and click Add to Policy. When you are done, click Save.

 

 

15) A new policy will be created. Click on Security Intelligence.

16) On Available Objects / Networks select the object created previously (ex: MalwarePatrol_malicious_IPs), choose a zone from Available zones (Any is the default) and click on Add to Blacklist.

17) The object and corresponding policy were created successfully. You can follow the same steps to use the other data feeds we provide.

If you experience any difficulties configuring Cisco ASA FirePOWER to use Malware Patrol data feeds, please make sure it is working properly and contact our tech support at support (@) malwarepatrol.net.

ClamAV

“ClamAV is an open source ant-virus engine for detecting trojans, viruses, malware & other malicious threats.”

Malware Patrol provides signatures compatible with ClamAV. You can follow these simple steps to configure your ClamAV instance and protect the internal network, computers and users from getting infected by malware.

1) Make sure your ClamAV instance is installed and working properly. There are several resources on the Internet that can help you configure ClamAV in your platform. If you are experiencing trouble installing and configuring ClamAV, start at: http://www.clamav.net/documents/installing-clamav. You should also be able to use distribution specific tools like apt-get and yum to install ClamAV. For example: apt-get install clamav.

If you have Extremeshok’s clamav-unofficial-sigs properly installed, skip to step 14.

2) Install curl. For example: apt-get install curl

3) Install rsync. For example: apt-get install rsync

4) Install unzip. For example: apt-get install unzip

5) cd /tmp

6) wget -O clamav-unofficial-sigs.zip ‘https://github.com/extremeshok/clamav-unofficial-sigs/archive/master.zip’

7) unzip /tmp/clamav-unofficial-sigs.zip

8) cp /tmp/clamav-unofficial-sigs-master/clamav-unofficial-sigs.sh /usr/local/bin

9) chmod 755 /usr/local/bin/clamav-unofficial-sigs.sh

10) mkdir -p /etc/clamav-unofficial-sigs

11) cp /tmp/clamav-unofficial-sigs-master/config/master.conf /etc/clamav-unofficial-sigs/

12) cp /tmp/clamav-unofficial-sigs-master/config/user.conf /etc/clamav-unofficial-sigs/

13) cd /etc/clamav-unofficial-sigs/

14) edit /etc/clamav-unofficial-sigs/master.conf appropriately

malwarepatrol_enabled=”yes”

malwarepatrol_receipt_code=”YOUR-RECEIPT-NUMBER”

malwarepatrol_product_code=”8″
Use 8 if you have a Free Guard account or 15 if you are a Basic Defense customer.

malwarepatrol_list=”clamav_basic” # clamav_basic or clamav_ext

malwarepatrol_free=”yes”
Set to yes if you have a Free Guard account or no if you are a Basic Defense customer.

clam_user=”clamav”

clam_group=”clamav”

user_configuration_complete=”yes”

15) Clean unnecessary files: rm -rf /tmp/clamav-unofficial-sigs*

16) Execute the first update: /usr/local/bin/clamav-unofficial-sigs.sh

17) Configure a new cronjob to update ClamAV signatures every hour: MM * * * * /usr/local/bin/clamav-unofficial-sigs.sh

If you experience any difficulties configuring ClamAV to use Malware Patrol blocklists, please make sure it is working properly and contact our tech support at support (@) malwarepatrol.net.

Hermes SEG

Hermes Secure Email Gateway is a Free Open Source (Hermes SEG Community Only) Email Gateway that provides Spam, Virus and Malware protection, full in-transit and at-rest email encryption as well as email archiving.

Hermes Secure Email Gateway combines Open Source technologies such as Postfix, Apache SpamAssassin, ClamAV, Amavisd-new and CipherMail under one unified web based Web GUI for easy administration and management of your incoming and ougoing email for your organization.

It can be deployed to protect your in-house email solution as well as cloud email solutions such as Google Mail and Microsoft Office 365.

Hermes SEG supports the integration of the following 3rd party signature feeds:

  • Linux Malware Detect
  • Malware Patrol
  • Sanesecurity
  • SecuriteInfo
  • YaraRules”

Click here to access the configuration guide for Malware Patrol’s feeds, written and maintained by Hermes SEG. (Thanks deezteK!)

MineMeld

Palo Alto MineMeld is an “extensible Threat Intelligence processing framework and the ‘multi-tool’ of threat indicator feeds. Based on an extremely flexible engine, MineMeld can be used to collect, aggregate and filter indicators from a variety of sources and make them available for consumption to peers or to the Palo Alto Networks security platforms.”

This versatile tool can be used to grab data feeds of IPs, URLs and domains and aggregate, deduplicate, process it and output the final result in formats suitable to in Palo Alto Networks products. MineMeld can also be configured to send data to Splunk.

Malware Patrol has determined the steps required to allow our customers to utilize our data feeds on MineMeld. The following steps are required to create a “miner”, a “processor” and finally an “output”. The entire process follows the logic of creating and configuring “prototypes” based on existing entities and later cloning them. Keep this in mind and the logic will be clearer as we move forward through each step.

We have created a specific Enterprise data feed for MineMeld consumption. You can find its URL in the evaluation or customer portal. If you are a current customer, please contact your Sales Manager to have the feed added to your portal. This configuration guide shows how to extract URLs from that feed. The same logic can be applied to create new a “miner”, “processor” and “output” for other indicators contained in the feed.

1) If you don’t have MineMeld installed and configured yet, you can download a preconfigured a virtual machine or the software’s source code from Github. Please visit the following URLs for more details:

a. https://www.paloaltonetworks.com/products/secure-the-network/subscriptions/minemeld
b. https://live.paloaltonetworks.com/t5/MineMeld-Articles/Manually-install-MineMeld-on-Ubuntu-Server-16-04/ta-p/253336

2) Once you successfully log in to MineMeld, click on “Config” to view the current list of “miners”, “processors” and “output”.

Palo Alto MineMeld

3) To configure a new “miner prototype” we will use an existing miner. Click the blue icon on the lower right corner of the screen – named ‘browse prototypes’. In the search field, type ‘ssla’ and once the list is updated, select ‘sslabusech.ipblacklist’.

Palo Alto MineMeld

4) Once the “miner” configuration is displayed, click on ‘new’.

Palo Alto MineMeld

5) Make the necessary changes to each field according to the following image. Special attention must be taken to the field ‘CONFIG’ and the line ‘url’. This must be filled with the URL of Malware Patrol’s data feed for MineMeld data feed. As explained previously the address can be found in your evaluation or customer portal. After properly populating the fields, click ‘ok’.

Palo Alto MineMeld

6) You will see the new “miner prototype” created, click on it.

Palo Alto MineMeld

7) When the “miner” loads, click on “clone”.

Palo Alto MineMeld

8) Fill the two fields as shown in the following screenshot and click ‘ok’.

Palo Alto MineMeld

9) The screen will show all the available items, including the new miner. Click on ‘commit’ to push the changes. Wait a few seconds as some components of MineMeld will be restarted.

Palo Alto MineMeld

10) Click on ‘nodes’ and use the search field to look for ‘malwarepatrol’. You should see the new “miner”. Pay close attention to ‘indicators’ that should show an increasing amount of items pulled from our data feed.

Palo Alto MineMeld

11) To create the “processor prototype”, click on ‘config’ and then the blue icon on the lower right corner of the screen – named ‘browse prototypes’. Search for ‘processor’. In the list displayed, click on ‘stdlib.aggregatorFileName’

Palo Alto MineMeld

12) Click ‘new’ and fill the form fields according to the following screenshot and click ‘ok’.

Palo Alto MineMeld

13) Once the list of “prototypes” is shown, click on the newly created one and choose ‘clone’. Fill the form according to the next screenshot.

Palo Alto MineMeld

14) Clicking on ‘config’ you should see a screen similar to the following:

MineMeld screen shot

15) Now to create an “output prototype”, click the blue icon on the lower right corner of the screen – named ‘browse prototypes’. Search for ‘output’ and in the list that will be displayed, click ‘stdlib.dagPusher’.

MineMeld screen shot

16) Fill the form fields as in the following screenshot and click ‘ok’.

MineMeld screen shot

17) In the list that will be displayed, click the newly created “prototype”.

MineMeld screen shot

18) Click ‘clone’.

MineMeld screen shot

19) At this point, the list displayed should contain one new item for a “miner”, “processor” and “output”. Click on ‘commit’ to make the changes effective. Wait a few seconds as some components of MineMeld will be restarted.

MineMeld screen shot

20) Click on ‘nodes’ and search for ‘malwarepatrol’. You should see the three newly created items and the count of ‘indicators’ increasing. That shows that data is flowing from our data feed into the “miner”, “processor” and finally made ready by the “output”.

MineMeld screen shot

21) Clicking on “output” you can see details including the URL of the finalized feed that can be consumed by Palo Alto Networks systems.

MineMeld screen shot

22) For information on MineMeld and how to connect it with other Palo Alto Networks products and Splunk, please visit the following URLs.

• Create Dynamic Firewall Rules Based on MineMeld Threat Feeds: https://www.virtualizationhowto.com/2018/12/create-dynamic-firewall-rules-based-on-minemeld-threat-feeds/
• Create a MineMeld input in Splunk: https://splunk.paloaltonetworks.com/autofocus-and-minemeld.html
• Quick tour of MineMeld default config: https://live.paloaltonetworks.com/t5/MineMeld-Articles/Quick-tour-of-MineMeld-default-config/ta-p/72042
• Using MineMeld to Create a Custom Miner: https://live.paloaltonetworks.com/t5/MineMeld-Articles/Using-MineMeld-to-Create-a-Custom-Miner/ta-p/227694
• Developer’s Guide: https://github.com/PaloAltoNetworks/minemeld/wiki/Developer’s-Guide

If you encounter any difficulties during the configuration process, feel free to contact our tech support at support(at)malwarepatrol.net. Configuration guides for other systems can be found on our Tech Support page.

MISP Data Feeds

MISP is a threat intelligence platform for gathering, sharing, storing and correlating indicators of compromise of targeted attacks, threat intelligence, financial fraud information and vulnerability information.

It can be configured to ingest MISP-compatible data feeds. To ingest the data provided by Malware Patrol following these steps:

1) In the customer portal or evaluation portal, search for the feed of interest. Once you find it, look for the “MISP compatible data feed” link. Right click on it and choose “Copy link location”.

2) Open your MISP instance and click on “Sync Actions / List Feeds”.

3) On the left menu, click “Add Feed”.

4) Fill the field “Name” as “Malware Patrol – _data_feed_name_” (for example: Malware Patrol – C2s). On “Provider” put “Malware Patrol”. Choose “Network” on “Input Source”.

5) The field “URL” should contain the link location you have copied from the customer portal or evaluation portal.

6) On “Source Format”, choose “MISP Feed”.

7) Click on “Add Basic Auth” and complete the fields with your “Username” and “Password” for the customer portal or evaluation portal.

8) Adjust “Distribution”, “Default Tag” and “Filter rules” appropriately for your environment.

9) Click “Add”.

10) Back to the list of feeds, select the Malware Patrol data feed and click “Enable selected”.

11) Still in the list of feeds, for the Malware Patrol data feed, click in the last icon on the right named “Download”. Your MISP instance will download the current feed file, parse them and add to your instance.

Malware Patrol also provides data feeds via MISP server synchronization. Please contact your sales manager for details.

pfSense / pfBlockerNG

Malware Patrol provides block lists compatible with pfBlockerNG, a package for pfSense version 2.x that allows the usage of custom block list, IP filtering, and country block functionalities.

You can follow these simple steps to configure your pfBlockerNG to filter malicious URLs and protect the internal network, computers and users from getting infected by malware and ransomware.

1) Log in to pfSense GUI.

pfsense system  

2) Choose System > Package Manager.

pfsense system

 

 3) Choose Available packages then scroll down to pfBlockerNG and clock Save.

pfsense system

 

4) Once the package is installed, choose Firewall > pfBlockerNG.

pfsense system

 

5) On the General tab, enable the following options:

  • Enable pfBlockerNG

  • De-Duplication

  • CIDR Aggregation

  • Suppression

  • Global Logging (optional)

You may also need to adjust Interface/Rules Configuration depending on your set up.

pfsense system

 

6) Choose DNSBL from the pfBlockerNG menu. Check Enable DNSBL. And under IP Firewall Rule Setting select Deny Outbound. Click Save.

pfsense system

 

7) Click DNSBL Feeds then click +Add.

pfsense system

 

8) Enter Malware Patrol as the DNS GROUP Name.

9) Under DNSBL Source enter your URL for the pfBlockerNG block list provided by Malware Patrol. The address can be found by logging in to your account with Malware Patrol. Enter a label, MP-Aggressive for example and click +Add.

10) Set List Action to Unbound and Update Frequency to Every hour (for Malware Patrol Premium members only). Click Save.

pfsense system

 

11) Click Save.

pfsense system

 

12) Choose Update from the pfBlockerNG menu. Select the Select “Force” option and mark Update, then click Run.

pfsense system

 

13) The logs should present messages similar to the following:

pfsense system

 

If you experience any difficulties configuring pfBlockerNG with Malware Patrol’s block lists, please make sure it is working properly and contact our tech support at support (@) malwarepatrol.net. Our special thanks to F34RInc for helping put together this configuration guide.

SpamAssassin

Malware Patrol provides block lists compatible with SpamAssassin.
Apache SpamAssassin is the #1 Open Source anti-spam platform giving system administrators a filter to classify email and block spam (unsolicited bulk email).

It uses a robust scoring framework and plug-ins to integrate a wide range of advanced heuristic and statistical analysis tests on email headers and body text including text analysis, Bayesian filtering, DNS blocklists, and collaborative filtering databases.

Apache SpamAssassin is a project of the Apache Software Foundation (ASF).”
You can follow these simple steps to configure your SpamAssassin to filter malicious URLs and protect your network, computers, and users from getting infected by malware.

1) Make sure your SpamAssassin instance is installed and working properly. There are several resources on the Internet that can help you configure it in your platform. If you are experiencing trouble installing and configuring SpamAssassin, start at: https://spamassassin.apache.org/

2) On the server running SpamAssassin, create a file called malware_patrol_update.sh choosing where to place it, like:
# mkdir /root/sh
# vi /root/sh/malware_patrol_update.sh

3) Log into your account with Malware Patrol and look for SpamAssassin. Right click on “download” and select “Copy link location”. You will need this URL on the next step.

4) Paste the following command into the newly created file, substituting _URL_YOU_JUST_COPIED_ with the URL you copied in the previous step:

wget --no-check-certificate -O /etc/mail/spamassassin/99_malware_patrol_blocklist.cf '_URL_YOU_JUST_COPIED_'

Feel free to customize the output filename. SpamAssassin configuration files are read in an alphanumerical order, meaning 70_*.cf will be read before 99_*.cf.

5) It is very important to make sure that the URL you have copied from your account with Malware Patrol is enclosed in single quotes.

6) Add the following line to the file and save it:

systemctl restart spamassassin.service

If Amavisd is used (so SpamAssassin is managed by it) use the following line instead and save it:

systemctl restart amavisd.service

7) Add execute permissions to the recently created file, executing this command:

# chmod +755 /root/sh/malware_patrol_update.sh

8) Execute the recently created file that will download the latest block list and restart SpamAssassin or Amavisd:

# /bin/sh /root/sh/malware_patrol_update.sh

9) Make sure the new file was correctly processed by SpamAssassin by running the following command:

# spamassassin -D --lint 2>&1 | grep "malware_patrol"
... dbg: config: read file /etc/mail/spamassassin/99_malware_patrol_blocklist.cf

10) You should now create a cron job to automatically update the Malware Patrol block list. The following command should be executed every hour:

/bin/sh /root/sh/malware_patrol_update.sh

Please choose minutes not close to 00, 01 and 59 for your cron job.

If you experience any difficulties configuring SpamAssassin to use Malware Patrol block lists, please make sure it is working properly and contact our tech support at support (@) malwarepatrol.net.
Special thanks to Malware Patrol user fRANz for writing this guide.

Squid3 Web Proxy

Squid is a proxy for the Web that provides extensive access control lists, reduces bandwidth consumption and improves response times by caching and reusing frequently requested web pages. It runs on most available operating systems, including Linux and Windows. It is licensed under the GNU GPL.

Malware Patrol provides block lists compatible with Squid3. You can follow these simple steps to configure your Squid instance and protect the internal network, computers and users from getting infected by malware.

1) Make sure your Squid3 instance is installed and working properly. There are several resources on the Internet that can help you configure Squid3 in your platform. If you are experiencing trouble installing and configuring Squid3, start at: http://www.squid-cache.org/.

2) On the server running Squid3, create a file called /etc/squid3/malware_patrol_update.sh. For example: vi /etc/squid3/malware_patrol_update.sh

3) Log into your account with Malware Patrol and look for Squid Web Proxy ACL. Right click on “download” and select “Copy link location”, you will need this URL on the next step.

4) Paste the following command into the newly created file, substituting _URL_YOU_JUST_COPIED_ by the URL you have copied on the previous step: wget –no-check-certificate -O /etc/squid3/malware_patrol_blocklist ‘_URL_YOU_JUST_COPIED_’

5) It is very important to make sure that the URL you have copied from your account with Malware Patrol is enclosed in single quotes. For example: wget –no-check-certificate -O /etc/squid3/malware_patrol_blocklist ‘https://lists.malwarepatrol.net/cgi/getfile?receipt=01234567890&product=13&list=squid’

6) Add the following line to the file and save it: /usr/sbin/squid3 -k reconfigure

7) Add execute permissions to the recently created file, executing this command: chmod +755 /etc/squid3/malware_patrol_update.sh

8) Now we need to configure Squid3 to use the block list. Edit the file /etc/squid3/squid.conf. For example: vi /etc/squid3/squid.conf

9) Add the following lines to the file, at the appropriate sections:
acl malware url_regex -i “/etc/squid3/malware_patrol_blocklist”
http_access deny malware
deny_info http://www.malwarepatrol.net/denied.shtml malware

10) Execute the recently created file that will download the latest block list and restart Squid: /bin/sh /etc/squid3/malware_patrol_update.sh

11) Notice that Squid3 will take longer than usual to start because it needs to read thousands of entries that will protect you from malware infections.

12) You should now configure a cronjob to automatically update the Malware Patrol block list. The following command should be executed every hour: /bin/sh /etc/squid3/malware_patrol_update.sh. Please choose minutes not close to 00, 01 and 59.

If you experience any difficulties configuring Squid3 to use Malware Patrol block lists, please make sure it is working properly and contact our tech support at support (@) malwarepatrol.net.

FAQs

Duplicate Entries

Our lists include what we call “MBL ID”, a unique identifier that correlates to each entry in the database. This number assigned to each entry means our system is actually structured to detect, and therefore avoid, duplicates. Basically, the “MBL_ID” helps us organize and debug the large amount of data in our lists.

The most common report of duplicate entries is related to what appears to be repeated domains or partial URLs. While it may seem that these are duplicates, it is usually the case that there is more than one malware binary in the same directory or subdirectories under it. Each instance of malware on a single domain has its own unique identifier because it represents a different URL, directory, or was detected at a different point in time, for example. So, each entry counts as a distinct malware and shows on data feeds.

If you find something else beyond this example that shows duplicate entries, please let us know!

False Positives

The quality of our data is very important to us. We ask that you send reports of false positives to fp (at) malwarepatrol.net. We will investigate promptly, update our database (if necessary), and let you know the results.

Please read this before submitting a false positive report:

We often receive false positive reports on domains like docs(.)google(.)com, drive(.)google(.)com, dropbox(.)com and github(.)com. Unfortunately, these sites host bad malware more frequently than ever. To further complicate things, systems like Google Docs serve files from their root directories, forcing some formats of block lists to affect (block) the entire domain.

We understand that it is not always possible to block these mainstream websites. We have various options, depending on your subscription type, to help with whitelisting domains to which your users require access. See FAQ topic "Whitelisting" for more details.

Whitelisting

It is common knowledge in the security industry than many well-known and frequently used websites host malware (Google Drive, DropBox, GitHub). We understand, however, that it is not always possible to block these popular websites, particularly those used for work purposes. Malware Patrol has options, depending on your subscription type, to help you whitelist domains to which your users require access.

Enterprise:
Several enterprise feeds have Cisco Umbrella top domains removed from them (top 25,000 or 100,000 or 1,000,000 domains). Enterprise customers may use these versions instead of the full feed. For other Enterprise feeds we include the Cisco Umbrella domain ranking as a field to allow for whitelisting per the customer's specific needs.

Also, Enterprise feeds can be customized at no cost. This offer includes the option to have us remove specific domains from your feed, by Cisco Umbrella ranking or otherwise. Discuss your specific needs with your Account Manager.

Business Protect:

There is a whitelisting tool that customers can use to create a list of whitelisted domains for their Business Protect feed. Instructions are in the Business Protect customer portal.

Non-commercial blocklist:

Our download script to allow for domain exclusions. These will be applied right after the lists are downloaded. The exact way to do it depends on your environment and configuration, but simple shell commands like ‘cat _filename_ | grep -v _domain_ > _new_file_name_’ can remove entries.

For help automating the removal of domains from block lists, contact our tech support via email – support (@) malwarepatrol.net – and they will be happy to help. Please remember to mention the block list you use and how you download it.

How often are the feeds updated?

Each indicator is verified at least once daily. That means our systems visit each URL, for example, to make sure it is still hosting malware or otherwise considered to be malicious. DGAs are resolved four times per day.

We update most of our Enterprise feeds hourly by adding newly found entries and removing deactivated threats. The feeds below are updated at intervals other than hourly:

Real-time updates
• Bitcoin Transactions
• DDoS Attacks
• Malware Samples
• Phishing Screen Shots

Every 5 minutes
• DNS RPZ Firewall

Every 6 hours
• Bitcoin Blockchain Strings

Every 24 hours
• Anti-Mining

Business Protect data feeds are updated hourly.

Basic Defense blocklists are updated every 4 hours.

Free Guard blocklists are updated every 72 hours.

Does the data come in different formats?

The formats we currently offer are the most requested from our users because they work with many popular security tools.

Business Protect and non-commercial blocklists are only offered in the formats listed on their respective pages.

For Enterprise Feeds, however, we can usually customize them to fit your ingestion requirements at no additional cost. Just ask us!

How are malware samples validated?

Our system automatically downloads suspicious samples and applies a series of tests to identify if they are likely malicious. These tests include AV checks as well as proprietary tests to determine file characteristics, like PE headers and packers. This way, we can provide customers with samples that may not be classified as malware yet by AVs but are most likely malicious.

How is malware classified?

We use a mixture of systems to determine if samples are malicious or not. That includes our own classifications tools as well as information returned by multiple anti-virus systems. Once a sample is found to be bad, we use one of the classifications provided by AV vendors. Microsoft and Kaspersky are the most utilized, although others may be used.

Do I have to download whole data feed each time?

The data feeds contain all the available data, not just the data from the latest update. Our experience is that this strategy works better than “diffs” (differentials / updates) because no data is lost if any of our customers miss a download for some reason. We can compress the Enterprise feed files to save bandwidth.

Do you provide invoices?

We cannot provide invoices for Basic Defense subscriptions. Contact your account manager or support (@) malwarepatrol.net for Business Protect and Enterprise subscription invoices.

How big are your threat data gaps?

See for yourself.

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