Integrar Kaspersky Security Center con Wazuh

rokitoh Elastic, Hardening, Kibana, SIEM, thehive, UNIX - *BSD - GNU/Linux, wazuh

Seguimos configurando nuestra infraestructura SIRP Open source (https://red-orbita.com/?p=8726) En esta ocasión veremos como integrar Kaspersky Security Center  para la detección de amenazas con Wazuh y Thehive

Antes de nada, tenemos que ir a la consola de Kaspersky Security Center > Configurar las notificaciones y la exportación de eventos > Configuración exportación a SIEM (Mas información)

Seleccionamos ArcSiht (Formato CEF), Configuramos la dirección ip de nuestro servidor Wazuh Manager y presionamos Aceptar

Una vez configurado el envió de los logs tenemos que acceder a nuestro servidor Wazuh Manager en el cual vamos a generar un Decoder, para ello editamos /var/ossec/etc/decoders/local_decoder.xml

En este archivo agregamos la siguiente configuración

<!-- Kaspersky Decoder. -->



<decoder name="Kaspersky">
  <prematch>^CEF:0\|KasperskyLab\|SecurityCenter</prematch>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>dhost=(\S+)</regex>
  <order>dhost</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>dst=(\d+.\d+.\d+.\d+:\d+)|dst=(\d+.\d+.\d+.\d+)</regex>
  <order>dstip</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>TCP from (\d+.\d+.\d+.\d+:\d+)|TCP from (\d+.\d+.\d+.\d+)</regex>
  <order>srcip</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>TCP de (\d+.\d+.\d+.\d+:\d+)|TCP de (\d+.\d+.\d+.\d+)</regex>
  <order>srcip</order>
</decoder>


<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>local port (\d+)</regex>
  <order>dstport</order>
</decoder>


<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>duser=(\S+)</regex>
  <order>duser</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>Usuario:     (\S+)</regex>
  <order>duser</order>
</decoder>


<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>filePath=(\.+) (\w+=)|filePath=(\.+)</regex>
  <order>Kaspersky.url</order>
</decoder>

<decoder name="Kaspersky-fields">
 <parent>Kaspersky</parent>
 <regex>msg=(\.+) File:</regex>
 <order>Kaspersky.description.task</order>
</decoder>

<decoder name="Kaspersky-fields">
 <parent>Kaspersky</parent>
  <regex>GNRL_EV_VIRUS_FOUND_AND_BLOCKED\|(\.+)\|</regex>
  <order>Kaspersky.description</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>GNRL_EV_VIRUS_FOUND\|(\.+)\|</regex>
  <order>Kaspersky.description</order>
</decoder>


<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>GNRL_EV_SUSPICIOUS_OBJECT_FOUND\|(\.+)\|</regex>
  <order>Kaspersky.description</order>
</decoder>
 

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>GNRL_EV_WEB_URL_BLOCKED\|(\.+)\|</regex>
  <order>Kaspersky.description</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>GNRL_EV_OBJECT_DELETED\|(\.+)\|</regex>
  <order>Kaspersky.description</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>GNRL_EV_PASSWD_ARCHIVE_FOUND\|(\.+)\|</regex>
  <order>Kaspersky.description</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>Ruta:     (\.+)\\r\\n</regex>
  <order>Kaspersky.path</order>
</decoder>

<decoder name="Kaspersky-fields">
 <parent>Kaspersky</parent>
  <regex>Detectado: (\.+)\\r\\n</regex>
  <order>Kaspersky.object</order>
</decoder>

<decoder name="Kaspersky-fields">
   <parent>Kaspersky</parent>
   <regex>Objeto:     (\.+) rt=</regex>
   <order>Kaspersky.object</order>
</decoder>



<decoder name="Kaspersky-fields">
   <parent>Kaspersky</parent>
   <regex>Path:     (\.+)\\r\\n</regex>
   <order>Kaspersky.path</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>r\\nApplication:     (\.+)\\r\\n</regex>
  <order>Kaspersky.application</order>
</decoder>

<decoder name="Kaspersky-fields">
   <parent>Kaspersky</parent>
    <regex>r\\nAplicación:     (\.+)\\r\\n</regex>
    <order>Kaspersky.application</order>
</decoder>

<decoder name="Kaspersky-fields">
   <parent>Kaspersky</parent>
   <regex>nName: (\.+)\\r\\n</regex>
   <order>Kaspersky.application.name</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>\\Name:     (\.+)\\r</regex>
  <order>Kaspersky.application.name</order>
</decoder>


<decoder name="Kaspersky-fields">
   <parent>Kaspersky</parent>
   <regex>Deleted: (\.+)\\r\\n</regex>
   <order>Kaspersky.applocation.delete</order>
</decoder>


<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>level:(\.+)\\r\\n</regex>
  <order>Kaspersky.level</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>Hash:     (\.+)\\r\\n</regex>
  <order>Kaspersky.hash</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>SHA256: (\w+)</regex>
  <order>Kaspersky.hash.sha256</order>
</decoder>


<decoder name="Kaspersky-fields">
    <parent>Kaspersky</parent>
    <regex>MD5: (\w+)</regex>
    <order>Kaspersky.hash.md5</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>filePath=(\.+) (\w+=)|(\$s)</regex>
  <order>Kaspersky.filePath</order>
</decoder>

<decoder name="Kaspersky-fields">
 <parent>Kaspersky</parent>
  <regex>\\Description:     (\w+)</regex>
  <order>Kaspersky.attack.status</order>
</decoder>



<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>cs1=(\S+)</regex>
  <order>Kaspersky.cs1</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>cs1Label=(\S+)</regex>
  <order>Kaspersky.cs1Label</order>
</decoder>

<decoder name="Kaspersky-fields">
 <parent>Kaspersky</parent>
 <regex>cs4=(\S+)</regex>
 <order>Kaspersky.cs4</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>cs4Label=(\S+)</regex>
  <order>Kaspersky.cs4Label</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>cs6Label=(\S+)</regex>
  <order>Kaspersky.cs6Label</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>cs6=(\S+)</regex>
  <order>Kaspersky.cs6</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>cs7=(\S+)</regex>
  <order>dstport</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>cs7Label=(\S+)</regex>
  <order>Kaspersky.cs7Label</order>
</decoder>

<decoder name="Kaspersky-fields">
  <parent>Kaspersky</parent>
  <regex>cs9=(\S+)</regex>
  <order>Kaspersky.cs9</order>
</decoder>

<decoder name="Kaspersky-fields">
 <parent>Kaspersky</parent>
 <regex>cs10=(\.+) cs10Label=</regex>
 <order>Kaspersky.cs10</order>
</decoder>

Comprobamos el correcto funcionamiento mediante ossec-logtest

Tras configurar el Decoder procedemos a agregar las siguientes reglas

*/ rules in localrules.xml for Kaspersky*/ 

<group name="KasperskyLab,">
  <rule id="100090" level="0">
  <match>KasperskyLab</match>
  <decoded_as>Kaspersky</decoded_as>
   <description>$(data.Kaspersky.description)</description>
</rule>

<rule id="100092" level="3">
   <if_sid>100090</if_sid>
  <match>attack</match>
   <description>Attack detected</description>
  <group>syslog,attack,kaspersky,</group>
</rule>

<rule id="100093" level="3">
   <if_sid>100090</if_sid>
   <match>detected</match>
   <description>Object detected</description>
  <group>syslog,detected_attack,kaspersky,</group>
</rule>

<rule id="100095" level="12">
   <if_sid>100090</if_sid>
   <match>GNRL_EV_ATTACK_DETECTED</match>
   <description>Attack detected</description>
   <group>syslog,detected_attack,kaspersky,</group>
</rule>


<rule id="100096" level="15">
   <if_sid>100090</if_sid>
   <match>GNRL_EV_VIRUS_FOUND</match>
   <description>Virus found</description>
   <group>syslog,virus_found,attack,kaspersky,</group>
</rule>

<rule id="100097" level="12">
   <if_sid>100090</if_sid>
   <match>GNRL_EV_SUSPICIOUS_OBJECT_FOUND</match>
   <description>Suspicious object found</description>
   <group>syslog,suspicius_object_found,kaspersky,</group>
</rule>

<rule id="100098" level="10">
   <if_sid>100090</if_sid>
   <match>GNRL_EV_WEB_URL_BLOCKED</match>
   <description>URL Web Blocked</description>
   <group>syslog,url_blocked,kaspersky,</group>
</rule>

<rule id="100099" level="12">
   <if_sid>100090</if_sid>
   <match>GNRL_EV_OBJECT_DELETED</match>
   <description>Object was deleted</description>
   <group>syslog,object_deleted,kaspersky,</group>
</rule>

<rule id="100100" level="12">
   <if_sid>100090</if_sid>
   <match>GNRL_EV_PASSWD_ARCHIVE_FOUND</match>
   <description>Password-protected archive was found</description>
   <group>syslog,passwod_arhive_found,kaspersky,</group>
</rule>


</group>
*/ rules in localrules.xml for Kaspersky*/ 

<group name="KasperskyLab,">
  <rule id="100090" level="0">
  <match>KasperskyLab</match>
  <decoded_as>Kaspersky</decoded_as>
   <description>$(data.Kaspersky.description)</description>
</rule>

<rule id="100092" level="3">
   <if_sid>100090</if_sid>
  <match>attack</match>
   <description>Attack detected</description>
  <group>syslog,attack,kaspersky,</group>
</rule>

<rule id="100093" level="3">
   <if_sid>100090</if_sid>
   <match>detected</match>
   <description>Object detected</description>
  <group>syslog,detected_attack,kaspersky,</group>
</rule>

<rule id="100095" level="12">
   <if_sid>100090</if_sid>
   <match>GNRL_EV_ATTACK_DETECTED</match>
   <description>Attack detected</description>
   <group>syslog,detected_attack,kaspersky,</group>
</rule>


<rule id="100096" level="15">
   <if_sid>100090</if_sid>
   <match>GNRL_EV_VIRUS_FOUND</match>
   <description>Virus found</description>
   <group>syslog,virus_found,attack,kaspersky,</group>
</rule>

<rule id="100097" level="12">
   <if_sid>100090</if_sid>
   <match>GNRL_EV_SUSPICIOUS_OBJECT_FOUND</match>
   <description>Suspicious object found</description>
   <group>syslog,suspicius_object_found,kaspersky,</group>
</rule>

<rule id="100098" level="10">
   <if_sid>100090</if_sid>
   <match>GNRL_EV_WEB_URL_BLOCKED</match>
   <description>URL Web Blocked</description>
   <group>syslog,url_blocked,kaspersky,</group>
</rule>

<rule id="100099" level="12">
   <if_sid>100090</if_sid>
   <match>GNRL_EV_OBJECT_DELETED</match>
   <description>Object was deleted</description>
   <group>syslog,object_deleted,kaspersky,</group>
</rule>

<rule id="100100" level="12">
   <if_sid>100090</if_sid>
   <match>GNRL_EV_PASSWD_ARCHIVE_FOUND</match>
   <description>Password-protected archive was found</description>
   <group>syslog,passwod_arhive_found,kasper

Reiniciamos el servicio de wazuh manager

systemctl restart wazuh-manager.service

Forzamos una alerta ejecutando algún tipo de software malicioso en un servidor de pruebas. Accedemos mediante nuestro navegador a Kibana y comprobamos  si esta funcionando correctamente nuestro Decoder y las reglas realizadas

En la próxima entrada veremos como integrar estas alertas con Thehive

:wq!

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