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C2/Zbot-A Infection

kp12584

According to my UTM I have a workstation infected with C2/Zbot-A.  Sophos Endpoint is detecting nothing on this machine.  I'm installing Malwarebytes to see if it'll catch anything.  I'm finding no trace of this infection.

My main issue/concern is why the Endpoint is not catching this very serious infection.



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  • 0 in reply to kp12584

    I don't believe that feature is in that version.

    You could create a 30-day trial of Sophos Central managed software, there is a link at: https://cloud.sophos.com in order to test it.  That has all features enabled.

    If you go down this route I would suggest uninstalling all of the endpoint software you have and rebooting before installing the Sophos Central managed client as there are common packages between the two and this would minimize the chance of problem

  • 0 in reply to jak

    Thanks for that info. I may do that.  My main concern is if I do have the Zeus problem, then why didn't my Endpoint scanner catch it?  

  • 0 in reply to kp12584

    Hello kp12584,

    why didn't my Endpoint scanner catch it
    perhaps because it has been cleverly updated to evade detection?     AV products wouldn't need constant updating if they could detect all past, present, and future threats.
    Thus your main concern should be if you have indeed the Zeus problem. How often does the UTM report the C2 traffic, is there a pattern? Does it perhaps correlate with browser activity? Process Monitor could show the network activity on the endpoint and might help to identify the offending process.

    Christian

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