Home
  •  

Logon ssh com Êxito (Solaris 11)

Microsoft.ACS.Solaris.11.Ssh.Succeeded (Rule)

Regra para coletar eventos relacionados a logons ssh com êxito

Knowledge Base article:

Resumo

Foi detectado um comando ssh nos arquivos de log do sistema.

Causas

Foi concedido ao usuário acesso ao sistema remotamente. Este monitor permite que os administradores de sistemas controlem o uso de 'ssh'.

Resoluções

A descrição do alerta e/ou do item de dados de saída contém informações sobre o evento encontrado. Se a atividade parecer suspeita, verifique os detalhes do evento relacionado e todos os outros eventos que ocorreram por volta do horário desse evento.

Element properties:

TargetMicrosoft.ACS.Solaris.11.ACSEndPoint
CategoryEventCollection
EnabledFalse
Alert GenerateFalse
RemotableTrue

Member Modules:

ID Module Type TypeId RunAs 
EventDS DataSource Microsoft.Unix.SCXLog.Privileged.Datasource Default
WA WriteAction Microsoft.ACS.Unix.SecureEventLogWriter Default

Source Code:

<Rule ID="Microsoft.ACS.Solaris.11.Ssh.Succeeded" Enabled="false" Target="Microsoft.ACS.Solaris.11.ACSEndPoint" Remotable="true">

  <Category>EventCollection</Category>

  <DataSources>

    <DataSource ID="EventDS" TypeID="Unix!Microsoft.Unix.SCXLog.Privileged.Datasource">

      <Host>$Target/Host/Property[Type="Unix!Microsoft.Unix.Computer"]/NetworkName$</Host>

      <LogFile>/var/log/authlog</LogFile>

      <!-- [TYPE] Solaris SSH True -->

      <!-- [INPUT] Jan 10 14:50:42 jeffcof-sol11-x86 sshd[19958]: [ID 800047 auth.info] Accepted keyboard-interactive for root from ::1 port 41405 ssh2 -->

      <!-- [INPUT] Jan 11 10:42:52 jeffcof-sol11-x86 sshd[2000]: [ID 800047 auth.info] Accepted publickey for jeffcof from 172.30.168.208 port 40203 ssh2 -->

      <!-- [EXPECTED] date="Jan 10 14:50:42"; hostname="jeffcof-sol11-x86"; process="sshd"; processId="19958"; user="root"; clientHost="::1" -->

      <!-- [EXPECTED] date="Jan 11 10:42:52"; hostname="jeffcof-sol11-x86"; process="sshd"; processId="2000"; user="jeffcof"; clientHost="172.30.168.208" -->

      <RegExpFilter>[[:space:]]+sshd\[[[:digit:]]+\]: \[.*\] Accepted [^[:space:]]+ for [^[:space:]]+ from [^[:space:]]+</RegExpFilter>

    </DataSource>

  </DataSources>

  <WriteActions>

    <WriteAction ID="WA" TypeID="ACS.Unix!Microsoft.ACS.Unix.SecureEventLogWriter">

      <RegExp>(?'date'\S+\s+\d+\s+\d+:\d+:\d+)\s+(?:\S+:)?(?'hostname'\S+)\s+(?'process'sshd)\[(?'processId'\d+)\]: \[.*\] Accepted \S+ for (?'user'\S+) from (?'clientHost'\S+)</RegExp>

      <EventType>1</EventType>

      <EventId>27002</EventId>

    </WriteAction>

  </WriteActions>

</Rule>