Not getting alerts from clav monitoring on some machines

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Jorge Martins

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Oct 10, 2019, 10:49:20 AM10/10/19
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Hi!

I have configured some linux machines with clamav and added the log file to be monitored by wazuh. 

I've run a few tests, and some machines are not sending and alert, the difference being the machines that do not send the alert have the following version:

  • Ubuntu 12.04LTS
  • Ubuntu 14.04LTS

ossec.log shows that the log file is being monitored:

2019/10/10 15:29:25 ossec-logcollector: INFO: (1950): Analyzing file: '/var/log/clamav/clamav.log'.


All other have  Ubuntu 16.04LTS/18.04LTS and one with Centos 6 and are working OK


Any idea what could be?

Thank you




 

Elwali Karkoub

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Oct 10, 2019, 3:54:13 PM10/10/19
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Hello Jorge,


Can you let me know what version of Wazuh agents are using in these boxes ?

Another possiblity would be the generated clamv log are not matching with any rules : https://github.com/wazuh/wazuh-ruleset/blob/master/rules/0320-clam_av_rules.xml

Sharing some clamv logs would help me to replicate your use case.


Best regards,
Wali
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